Getting data from several database table as an array with PHP

SQL: $q = mysql_query("select column1, column2 from table where column2 LIKE '%asde%'"); Then use it for dropDownList options: echo '<select name="fhdfh">'; while ($row = mysql_fetch_array($q, MYSQL_NUM)) echo '<option value="'.$row[0].'" selected>'.$row[1].'</option>'; echo '</select>'; ...

Infinite Looping Caused by Exception Handling

java,input,exception-handling,while-loop,infinite-loop

use finally after catch block and put the following two statements in it like this : try { } catch(InputMismatchException iox) { } finally { System.out.print("Answer (y/n): "); answer = scan.next(); } Note : When exception occurs before System.out.print("Answer (y/n): "); and answer = scan.next(); statements,these two statements are not...

ajax appended list-group-item's do not trigger click events

javascript,jquery,ajax,django

on success of ajax request.You have to bind click event for newly added items, so that DOM gets updated... You have to add the rebinding in the success handler.

How do I create and use a sparse array through ArrayList in Java?

java,arraylist

The error message - Syntax error, parameterized types are only available if source level is 1.5 or greater might be due to an incorrect setting of the compiler compliance level in Eclipse. Menu: Window -> Preferences (at the bottom of the menu) In the pop-up window, click on Java, which...

Why does Get-content support -wait parameter?

powershell,parameters,powershell-v2.0

It looks like both 'raw' and 'wait' are dynamic parameters. And, 'wait' is using FileSystemWatcher in the background. The default time it waits for changes, seems to be 500ms. Once, it timesout; the thread sleeps for an additional 100ms and then seeks beginning of the stream and discards buffers. Reference:...

Move to already allocated view?

ios,objective-c

If you use storyboard, you can create a segue by control-dragging. If you move from viewController1 to viewController2 by [viewController1 presentViewController:viewController2 animated:YES completion:nil];, you can use [viewController2 dismissViewControllerAnimated:YES completion:nil]; to go from viewController2 back to viewController1. If you use a UINavigationController and push viewController2 by [someNavigationController pushViewController:viewController2 animated:YES];, then you...

Good Reasons why not to use Iframes in page content

javascript,html,iframe

Source: http://www.rwblackburn.com/2012/07/iframe-evil/ So it seems that every job I work on, the same topic comes up. Someone, at some point will say, “just use an iFrame for that”. Then I need to go down the old tired road as to why that would not be a good idea. Well, this...

How can I vertically align text in my div

html

Here i have use demo footer links and paste whole html and css. You have just change your css class footer height: 180px; margin-top: 0px; /* negative value of footer height */ these and add #login li block float: left; clear: both; margin-bottom: 10px; these three property and hope that...

sql insert query through text file

sql,sql-server

Try using the sql server import vizard to create a new table from the xls file and then insert that data to the existing table from there. The problem you are having is maybe due to the non-compatibility between 64bit sql instance and 32 bit excel. Or try using bcp...

Chrome.storage.sync.get not storing value in local variable

javascript,asynchronous

Yep. That's how async code works. You'll have to use callbacks. Something like this would probably work. function workWithBugVal(val) { // Do stuff } function getBugVal(callback) { var bugVal = ""; chrome.storage.sync.get('bugId', function (obj) { console.log(obj.bugId); bugVal = obj.bugId; callback(bugVal); }); } getBugVal(workWithBugVal); ...

How to increase left padding in Droidparts ClearableEditText

android,droidparts

Yes, the padding can be specified like this: android:drawablePadding="12dp" I'll add this info to the guide....

Trying to build a one to one relationship between two preexisting models

ruby-on-rails,ruby,ruby-on-rails-4

Does it work if you just change one line of code belongs_to :test -> has_one :test to make it one-on-one relationship. But I think your error comes from the fact that you have not added test_type instance to test_type attribute of test object. So before making @test.test_type request you need...

show sum per time period and sum per entire time span

mysql

Try Like This : I understand question like this select email,sum(amount),'2' as ord from ( select email,sum(amount) as amount ,month(d1) from t1 group by month(d1),email) as t group by email union all select email,sum(amount) as amount, '1' as ord from t1 group by month(d1),email order by ord This query return...

Undefined symbols for architecture x86_64(copy constructor)

c++,xcode,compiler-construction

As has been pointed out in other answers, you have not provided the definition of Point::Point(const Point&), but you have declared it in your Point class definition. But your class requires no special handling of copy and assignment, so the solution to your problem is not to provide the missing...

Create a Gson TypeAdapter for a Guava Range

serialization,range,gson,guava,rangeset

This feels somewhat like reinventing the wheel, but it was a lot quicker to put together and test than the time spent trying to get Gson to behave, so at least presently I'll be using the following Converters to serialize Range and RangeSet*, rather than Gson. /** * Converter between...

Extract Numbers after pattern

c#,regex

You can do that as: ^\(?([^-]*)-page\s(\d+) The two captured groups \1 or $1 and \2 or $2 will contain the data that you want. You can check it out here: http://www.rubular.com/r/vr70ge5FNx...

Pass file name to perl from R

r,perl

If I understand correctly I think this may work: a <- "name.txt" system(sprintf("perl file.pl %s", a)) ...

Confusing output after use of increment operator

c,post-increment,pre-increment

I have written the values of the variables before and after the statement gets executes and all side effects have taken place. int a[5] = {5, 1, 15, 20, 25}; int i, j, m; // before : i is indeterminate, a[1] = 1 i = ++a[1]; // after: i =...

GetRoles() to take value directly from database

symfony2

Your roles property has string type (look at annotations). So you can't call its method toArray (what the error message says). Just write your getRoles method like this: public function getRoles() { return array($this->roles); } ...

Team foundation Service Configuration in a workgroup

c#,visual-studio,visual-studio-2012,tfs,tfs2010

I found my problem.The account as not set correctly in the Team Foundation Administration console and after setting it correctly,I was able to create new team projects and other clients are now able to connect to this team project on my server. Thanks...

Read user input before update in unity3d

unity3d

In general is a good thing (and a design) choice, not to rely on script execution order. By the way it's possible to force some script to update in a specific order. You can modify that in Edit->Project Settings->Script Execution Order....

Error: Make sure the Cursor is initialized correctly before accessing data from it?

java,android,sql,sqlite

The column index of a cursor is zero-based, so change: cursorState = c.getString(1); cursorCapital = c.getString(2); to cursorState = c.getString(0); cursorCapital = c.getString(1); ...

Identifying corners in a jigsaw puzzle

matlab,image-processing,corners

@natan's solutions seem very robust and stable, but if your data is always well-behaved, I mean, the piece is always in the same orientation, there is also a naive approach. :) Assuming the puzzle piece coordinates are represented like this: piece = [ 277 102 276 102 275 102 274...

Paperclip extension error

ruby-on-rails,ruby-on-rails-4,upload,paperclip

I think there may be a couple of problems here. First of all, I think your "Avatar has an extension that does not match its contents" error may be coming from running on Windows without installing file. Testing by disabling that using the code in this answer seemed to get...

What is causing this Visual Studio Pro 2013 Warning?

c++,visual-studio-2013

From a comment under the original question: VS2012 C++ warning C4005: '__useHeader': macro redefinition Long story short, its a bug in VS, with no real workarounds. I have chosen to just silence the specific warning code, which does silence all instances of macro re-definitions. But now I can actually read...

How to FORCE the browser not to cache textfields?

html,input,client,client-side,textfield

Add this to your HTML : <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" /> <meta http-equiv="Pragma" content="no-cache" /> <meta http-equiv="Expires" content="0" /> ...

GWT Java - set font style

java,eclipse,gwt

I've seen issue withWidget#getElement()#setAttribute() in IE. The better way is: myWidget.getElement().getStyle().setProperty("fontFamily", "Arial"); I've never tried font-family in this way. The general rule for getStyle().setProperty('camelCase','value') camel-case becomes -> camelCase....

PHP code not working with my database [closed]

php,html

Typo error tmpName => tmp_name $handle = fopen($_FILES['imgPhoto']['tmp_name'], "r"); $image = fread($handle, filesize($_FILES['imgPhoto']['tmp_name'])); ...

Multiple dropdown click issue

javascript,jquery,html,backbone.js

Basically your issue is caused due to multiple event binding. In other words, each time you render an instance of the StoreProductView, you apply the .dropit() method to all the .menu items on the page. Consider making the following changes in your code: Change $('.menu').dropit(); (line 71) to this.$('.menu').dropit(); or...

How do I implement this array in Javascript [closed]

javascript,arrays

create an object my_object={254: 'OnJob',251: 'Verified', 250: 'Verified',249: 'OnJob'}; my_object[251]; //return "Verified" ...

What is the difference between “String[] s” and “String s[]”? [duplicate]

java,arrays

There are a few ways to interpret your question, // this was missing a size. So we need to add one. int x = 10; String []s = new String[x]; String s[] = new String[x]; // This is the same as the previous line. The other form type of question...

Check for 401 then redirect Angularjs but only on certain routes

angularjs,routing,angular-ui

This should work, pass in the specific paths you want the user to be redirected on: var reservedPaths = ['/explore','/teachers','/reports']; if (rejection.status === 401 && _.contains(reservedPaths,$location.path().trim()) { $location.path('/welcome'); } Or you could use $state.includes() if you want to work with ui-router's states. Provide a small plunk to demonstrate the issue...

Do we need to use Fragment Tag for Fragments in Android [closed]

android,android-listfragment

When you use <fragment ..> tag in xml layout of your Activity, your Fragment is automatically committed by FragmentManager, but you should either specify a tag (which is a String) or id (which is primitive int) when declaring it: <fragment android:id="@+id/my_fragment" ...> or <fragment android:tag="mytag" ..> Fragment must have an...

how to split a container into multiple rows where each rows have different columns

html,css,css-float

Here is a fiddle of what you described: http://jsfiddle.net/fvGMb/ You need to have rows with a set width and then you can have columns that go in those rows with percentages that describe the width you'd like them to be. The columns need to be floated. CSS .col { float:...

SQL Server chooses inefficient plan (via EntityFramework)

c#,sql,sql-server,entity-framework

This is very hard to make assumptions of any merrit on why the optimizer producet this or that plan without the full XML of the execution plan, along with the relevant statistics. However, you also asked how to force use of a particular plan, and for this there is an...

setting emacs inferior process prompt location

python,emacs,elisp

Pretty much ;) (setq comint-scroll-to-bottom-on-input t) ...

Custom user conrol dosn't catch any mouse events in c#

Define the event in your custom control private delegate void MyClickEvent(object sender, EventArgs e); public event MyClickEvent MyClick; public void OnMyClickEvent(object sender, EventArgs e) { if (MyClick != null) MyClick(sender, e);//execute event } Now in MainForm public partial class Form1 { public Form1() { myCustomButton.MyClick += FireThisOnClick; } private void...

want to take a database value in a variable

mysql,sql,shell

LEAVE is a reserved word, you need to put it in backticks. Also, there must not be a space after = in the variable assignment. applicant=$(mysql -uroot -p123456 -e 'SELECT applicant FROM `leave` where status="Applied" and applying_date= curdate() order by applying_date' comviva|tail -1); ...

how to create textview link without underscore in android

android,textcolor,text-decorations

you can try this. such as String content = "your <a href='http://some.url'>html</a> content"; Here is a concise way to remove underlines from hyperlinks: Spannable s = (Spannable) Html.fromHtml(content); for (URLSpan u: s.getSpans(0, s.length(), URLSpan.class)) { s.setSpan(new UnderlineSpan() { public void updateDrawState(TextPaint tp) { tp.setUnderlineText(false); } }, s.getSpanStart(u), s.getSpanEnd(u), 0); }...

Using PHP variables in jQuery plugin initialization?

javascript,php,jquery

Yes. You can do this. PHP is processed on the server side and only sent to client when it's processed. You could write a php script to return the JavaScript and pass in an argument. Eg. <?php $thumbnailVisible = isset($_GET['showthumb']) ? $_GET['showthumb'] : 'false'; ?> $.func({ thumbnailsVisible: <?php echo $thumbnailVisible;...

Div doesn't take up height of iframe

html,css

Iframes are display: inline by default. Inline elements can be affected by many things, including line-height, vertical-align etc. Try setting your line-height to 0 on the parent of the iframe, you'll see the margin will disappear. http://jsfiddle.net/7wt8L/2/ If you don't want those text-oriented properties effecting your elements, use display: block;...

Update Cart count with AJAX success - WordPress

php,ajax,wordpress

You should try like this success: function (data) { $('.user-cart').load(window.location.href + ' .user-cart a'); } P.S what does that response data contain? I would prefer to use that to update the count, without making an additional request to server...

set actionbar icon height to match actionbar height

android,android-actionbar

The reason your icon doesn't fill the ActionBar is due to how the ActionMenuItemView measures the icon. The ActionMenuItemView invokes a maximum size of 32dp when it sets the bounds for your icon So, it makes so difference how large your image is, the system will always resize it. any...

How to access active_record database outside of rails project

ruby-on-rails,ruby,activerecord

You can install pry gem. And then in your current project directory add .pryrc. In your .pryrc you can add something like this: current_dir = Dir.pwd $LOAD_PATH.unshift(current_dir) Now, every time you go to pry session just require manually your file such as: pry(main)> require 'models/post' This the simplest method, you...

How to parse JSONP in Objective-C?

ios,objective-c,parsing,jsonp

Your code has at least two separate attempts to download the data. Neither is really correct. The code also only works with JSON, not JSONP. Try this: NSURL *url = [NSURL URLWithString:@"https://getbible.net/json?p=James"]; NSURLRequest *request = [NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60]; [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {...

Error updating mysql table's column

mysql

Do not use quote mark for column name, Try this UPDATE tableName SET columnName = REPLACE(columnName,'+',' '); ...

Python: How to check characters occurrence in string in one line

python

For Python version > 2.5, You can use endswith with a tuple underscores = ('_', '__') if myString.endswith(underscores): pass Demo >>> underscores = ('_', '__') >>> xx = "text__" >>> xxx = "text_" >>> xx.endswith(underscores) True >>> xxx.endswith(underscores) True >>> ...

Comparison of 0 to a string fails

php,function,methods

In PHP, comparing a string 'A' with a number 0 causes a change of the string to a number. In this case 'A' gets converted to 0, so of course 0 == 0. See here for details. For completeness, the fix, from the same linked documentation is use strict comparison...

Can boost::lockfree::stack accept string pointers safely?

c++,string,boost,stack,lock-free

The missing documentation is a Doxygen bug, the documentation page gets the name from a MACRO :(, and it is here: http://www.boost.org/doc/libs/1_55_0/doc/html/boost/lockfree/BOOST_NO_CXX1_idp100289128.html Indeed the stack appears to have the same element type requirements as the queue, despite the fact that the documentation doesn't mention it. What's worse, it seems...

C++ in Xcode pausing

c++,xcode,breakpoints

I get the error at the for loop. You should describe the error you get. I happen to have access to Xcode so I can run your code and see what happens, but you should try to spare that of people from whom you want help. In this case...

Keydown Eventhandler Process

c#,keydown

The KeyDown event gives you the virtual key code of the key that was pressed. Like Keys.A if you press the A-key. It just tells you about the key, not about the letter that's produced by the key. Which depends on the active keyboard layout (it is not an A...

2D array search in C

c,arrays,multidimensional-array

Change this: y[j] = j; x[c] = c; for this: y[count] = j; x[count] = c; The arrays x and y are your results and they have to be indexed according to the number of results....

Rails: getting nil values in hidden field

ruby-on-rails,ruby-on-rails-3,ruby-on-rails-3.2,ruby-on-rails-3.1

Check if the below code helps. <%= form_for @hour do |f| %> <%= f.hidden_field "days[0]", :value => "Sunday" %> <%= f.hidden_field "days[1]", :value => "Monday" %> <%= f.hidden_field "days[2]", :value => "Tuesday" %> <%= f.hidden_field "days[3]", :value => "Wednesday" %> <%= f.hidden_field "days[4]", :value => "Thursday" %> <%= f.hidden_field "days[5]",...

Invoke compilers of different languages from within sts/eclipse

java,compiler-construction,invoke

When you detect the language of the code this becomes pretty easy: String compiler = ""; switch(compilerCode) { case JAVA: compiler = "javac"; break; case C: compiler = "javac"; break; ... } Process p = Runtime.getRuntime().exec(compiler + " " + file); p.waitFor(); file will be the name of the file...

Count specific numbers from a column from an input file linux

linux,bash,unix,search,count

I am not sure exactly what you mean by "group together by brand name", but the following will get you the output that you describe. awk -F':' '$3 == 2' Input.txt If you want a line count, you can pipe that to wc -l. awk -F':' '$3 == 2' Input.txt...

Following users who tweets a specific hashtag with tweepy for python?

python,twitter,tweepy

I guess you could use twython and start with a search example wich you can modify to suit your needs . from twython import Twython, TwythonError # Requires Authentication as of Twitter API v1.1 twitter = Twython(APP_KEY, APP_SECRET, OAUTH_TOKEN, OAUTH_TOKEN_SECRET) try: search_results = twitter.search(q='#python', count=50) except TwythonError as e: print...

Retrieve JSON from DB

php,jquery,json

You can unescape the string first: $unescaped_data = str_replace('\"','"',$data); The use json_decode to decode it. One liner: $json_obj = json_decode(str_replace('\"','"',$data)); OR you can also use stripslashes $array = json_decode(stripslashes($data), 1); Test: $str = "{ \"fuel\": { \"1\": \"522\", \"2\": \"311\" }, \"spares\": { \"1\": \"6\" }}"; $json_obj = json_decode(stripslashes($str)); $json_array...

Do I need custom random-number generator for Perlin noise?

python,random,pseudocode

The noise function used in Perlin noise is a seeded random number generator. That is, it must return the same value every time it is called with the same value for parameter, X. You can think of X as some position in space in a given dimension between the bounds...

How do I render a list in Jade with a distinct javascript function for each item?

javascript,jquery,node.js,express,jade

I think I've found a workaround. It's not very pretty, but it does avoid inline javascript. ./views/words.jade: each word in WordList a(href='#', class='contact_server') word ./public/javascripts/word_clientside.js: $('.contact_server').click(function(){ $.get('/update_preference?clicked_word=' + this.innerHTML, function(data){ alert('Server returned: ' + data); }); return false; //prevents hyperlink from returning to top of page }); Essentially, I use...

Understanding Direct Mapped Cache

caching,memory,memory-management,computer-architecture,cpu-cache

You have the right idea, but your numbers went wrong somewhere. In your example you have a direct-mapped cache of 4 blocks/lines of 16 bytes/cells each. The address 1100100111 will be divided up as follows. You use the least significant four bits 0111 as the offset because it refers to...

Where are /trunks /branches /tags folders in svn- repo?

svn,tortoisesvn

Where are /trunks /branches /tags folders in svn- repo? Inside repository. They are virtual folders, not physical, and visible (as any other parts of repository-tree) only in SVN-client (if they was created by TSVN or by hand)...

mixing famo.us with a normal meteor/html app

meteor,famo.us

Just like you mentioned, most technology has it's place. It's about finding the right tool for the right job. You are correct that the documentation on the site feels a little strange, but it could have been done better with either technology. Famo.us will stand out for building apps that...

How to create parallax effect like this?

html,css,parallax,stellar.js

It's actually super simple. The nav and content containers are in the flow. The content has a margin-top to separate it from the nav. Then the background image is set to position: fixed, and on scroll is offset by a percentage of the scroll position (eg, 30%). You don't need...

How to show notification bar in Android emulator

android,notifications,emulator

I believe: To see the details of the notification, you will have to select the icon which will display notification drawer having detail about the notification. While working with emulator with virtual device, you will have to click and drag down the status bar to expand it which will give...

why spring handles only unchecked exceptions

java,spring,exception

Spring is using any design patterns which will avoid checked exceptions ? Not a design pattern but Best Practices for Exception Handling. Consider below code: public void consumeAndForgetAllExceptions(){ try { ...some code that throws exceptions } catch (Exception ex){ ex.printStacktrace(); } } What is wrong with the code above?...

PDO Login Script Always Re-Directing To Header Page

php,pdo

I'm going to post something that is hopefully a little more useful than those posts above. There are several best practices that can be employed here to make your life easier when coding; after you've wrapped your head around them of course. First and foremost, this looks like your...

Contact form not uploading to database (MySQL) [closed]

php,mysql,database,forms

Ok, the main problem I see is that you are mixing mysql and mysqli commands. First, you should definitly use mysqli_real_escape_string($db, $escapeString). secondly, your query should also use mysqli like: $query= "INSERT INTO `project`.`contactform` (`ID`,`first_name`, `last_name`, `email`, `phone`, `result`, `comments`) VALUES (NULL, '$first_name', '$last_name', '$email', '$phone', '$result', '$comments');"; mysqli_query($db, $query)...

How to use WNS in windows Phone 8?

c#,windows-phone-8,windows-8,push-notification,mpns

No wns is only working for win8. You can look into notification hub from azure. You cannot send it directly as far as I know. You have to go through a server and again have a look at azure. ...

Regex to match a url and replace with another url

php,regex

You can use this regex: (<img.+?src=)(.+?)(\s|>) and replace it with: $1http://example.com$3 Demo I don't know php, but you've to do it as: preg_replace($pattern, $replacement, $string); where $pattern is my regex, $replacement is my replace string and $string is your inputstring....

Age of a process in the linux kernel

c,linux,linux-kernel,kernel,android-kernel

I think you can use real_start_time or start_time in task_struct. It is updated at the time of process creation struct timespec start_time; /* monotonic time */ struct timespec real_start_time; /* boot based time */ Note: this is vanilla kernel no idea about android kernel...

Python CSV multiple numbers in the list

python,list,csv

Since writerow takes a list as a parameter, the contents of element in your example is actually [[(2, 2, 0.0), (3, -1, 0.0)]], or a list of list of subtuples. The inner list of subtuples is returned from fetchall. Let's take a look at your code, line-by-line, and what it...

How to tell which cells are used through a container view controller?

ios,objective-c,uitableview,uistoryboard,uicontainerview

From the action methods for your switches, you can access the ReminderViewController with self.parentViewController, and then call any method or set any property in that controller that you want to.

Java: add two objects

java,object

Java has no operator overloading .For example, BigDecimal would be a lot more popular if you could write a + b instead of a.add(b). way1 Imaginary i3=i1.add(i2) method should be public static Imaginary add(Imaginary i2) { return new Imaginary(real+i2.real,imaginary+i2.imaginary); } way2 Imaginary i3=add(i1,i2) method: public static Imaginary add(Imaginary i1,Imaginary i2)...

Scale the x axis only in octave plot

octave

set(gca,'dataaspectratio',[2 1 1]) ...

Pass session ID to multiple PHP scripts within on HTML page

php,ajax

session_start(); needs to be called at the beginning of each page load in order to make $_SESSION available. Don't worry, it won't reset the session. In the simplest terms, session_start() just tells PHP that you are expecting a session to exist, and it needs to run its code to give...

How to ignore a field in Database with java sql query Netbeans

java,sql,jdbc

your sql query is wring do like this int s= sta.executeUpdate("INSERT INTO stockDB(name,size,quantity,price) VALUES('"+name+"','"+size+"','"+quantity+"','"+price+"')"); you need not to insert serial number manually because its auto increment but you have to specify the rest of the column names and values to be inserted and serial number value will be inerted automatically...

colorbox doesn't close after sumbit form

jquery,forms,colorbox

Try this: success: function(data) { if(data.success=="yes") { $.fn.colorbox.close(); console.log(data.success); } ...

How do I get a reference to a ListView? [closed]

java,android,reference

activity ListView lv = (ListView) findViewById(R.id.myListview); fragment ListView lv = (ListView) view.findViewByid(R.id.myListview); ...

How do I let bash correctly parse filenames with spaces?

bash

Replace $* with "[email protected]" myProgram "[email protected]" | less...

Plotting a graph on axes but getting no results while trying to classify image based on HoG features

python,arrays,classification,scikit-learn,scikit-image

I would have deleted this question but it occurred to me that another newbie at classification might have the same issue so I'm just answering the question. The problem was because of a very silly mistake - my training array, labels, had no negatives, it consisted entirely of labels for...

Memory transfer between host and device in OpenCL?

opencl

At what step is the memory transferred to the device from the host? The only guarantee you have is that the data will be on the device by the time the kernel begins execution. The OpenCL specification deliberately doesn't mandate when these data transfers should happen, in order to...

Multiple monitors with Kivy

python,user-interface,kivy

You can have two separate windows running two separate kivy apps controlling/communicating with each other via osc/twisted/... However one "App" instance is only limited to one App window for that process. It can launch another process(subprocess.popen) which has a new window though.

How to “hide” a JFrame using a JButton outside the main

java,swing,jframe,jbutton

In the ActionListener for your "Hide" button the basic code would be: JButton button = (JButton)e.getSource(); Window window = SwingUtilities.windowForComponent( button ); JFrame frame = (JFrame)window; frame.setState(JFrame.ICONIFIED); This way you are not depending on any instance variable that identifies your frame. Using the source object of the event is a...

Iteratively apply function to its result without generating a seq

clojure

The built-in you are looking for is probably dotimes. I'll tell you why in a round-about fashion. Time What you are testing in your benchmark is mainly the overhead of a level of indirection. That (nth (iterate ...) n) is only twice as slow as what compiles to a loop...

Non exhaustive pattern in function noThirds

haskell

It's because noThirds only has one pattern, [x] which only matches against a single element list. [x] is exactly equivalent to (x : []). What I think you meant was noThirds :: [a] -> [a] noThirda xs = help_ xs [] ...

Symfony2 - Need help setting up a doctrine query for finding tags

symfony2,tags,doctrine,tag-cloud

I believe this will work for you. public function getPostsByTags($tag) { $query = $this->createQueryBuilder('b') ->where('b.tags like :tag') ->setParameter('tag', '%'.$tag.'%'); return $query->getQuery()->getResult(); } ...

Why Scala Future returns None using flatMap and for comprehension?

scala,future,reactive-programming

I'll steal Régis Jean-Gilles' excellent answer from http://stackoverflow.com/a/16358119/3328933 "Futures are executed on a dedicated thread pool. If your main program does not wait for the future, it will exit immediately and the future won't have a chance to execute. What you can do here is to use Await in your...

Returning a scanner, specifically a File

java,return,try-catch,ioexception

This line: Scanner scanner = new Scanner(new File("Test.txt")); is inside the curly braces of the try block. Therefore, it is visible only within those curly braces. To make sure it's visible outside, declare the variable before the try: Scanner scanner; and then, inside the try block, just assign to it,...

Why does this inside this work

javascript,oop

For this it doesn't matter at all where or how the function is defined. this is only defined by how a function is called, for each call individually. The code you gave works because self refers to the global object and name is a property of the window global object...

Rails NoMethodError when converting strings to date from submitted form

ruby-on-rails,nomethoderror,formhelper,torquebox

I realized the solution AS SOON AS I was clicking the submit button but wanted to document this in case someone else ever has this issue. This is actually a bug in the neo4j-wrapper gem... that had a pull request merged two months ago... that I wrote. And I forgot...

multiple objects with same name

java,oop

Yes you're making 3 instances of the Purchase class, but you're only storing a reference to one of them at a time since you're overwriting the reference three times. You probably want something like this import java.util.Scanner; class ProcessPurchasses { public static void main(String args[]) { Scanner myScanner = new...

Consume output of a cmdlet into c# class

c#,powershell,cmdlet

Here are some resources I was able to find via google: How to run PowerShell scripts from C# Call PowerShell cmdlets from C# Invoking powershell cmdlets from C# Hope these help....

how to set selected dropdown list in html

dropdownbox

For the item you want selected for a dropdown list, add the attribute selected. Eg. <select> <option value="0">0</option> <option value="1" selected="selected">1</option> <option value="2">2</option> </select> In this case, 1 will be selected. To get the value of this dropdown after form submit, it depends on the method of your form being...

access members of a structure from void pointer inside a structure

struct // anonymous struct type { int date; char *name; } test; The above statement defines an anonymous struct type and creates a variable test of this struct type which has no name. Similarly, the below statement defines an anonymous struct type and creates a variable massage of this type...

Unix tr command to convert lower case to upper AND upper to lower case

unix,pipeline,tr

This will do what you are looking for: tr '[:upper:][:lower:]' '[:lower:][:upper:]' ...

ruby open pathname with specified encoding

ruby,encoding,utf-8

I'm not sure you want to specify encoding for path name or for file itself. If it is latter, this maybe what you want. Pathname.glob("/Users/Wes/Desktop/uf2/*.ics").each { |f| puts File.open(f,"r:UTF-8") } With Pathname.read you can write like this. Pathname.glob("/Users/Wes/Desktop/uf2/*.ics").each do |f| path = Pathname(f) puts path.read end ...

In sublime text3 I want a 2 column layout with code on one side and the browser display on the other

sublimetext,sublimetext3

The image is just TextWrangler and Chrome, not maximized. You can place the cursor at the edge of the window, then click and drag to resize to the desired layout.

Multiple repeated sections in a config file

c++,boost,boost-program-options

Perhaps you should use Boost property_tree instead of program_options, as your file format appears to be very similar to the Windows INI file format. Boost property_tree has a parser for INI files (and a serializer in case you need that, too). Processing your options would then be implemented by traversing...

How to PUT xml content using method ::http::geturl -method PUT

http,tcl,alm

To send an XML document in your request via PUT, assuming you've got the document serialized into a string obtainable with $theXML, you just do this: # Type *might* need to be text/xml http::geturl $theServiceURL -method PUT -type application/xml -query $theXML Of course, you've got to make sure that you...

mysql dynamic query in stored procedure

mysql,sql,stored-procedures

Try like this: SET @t1 =CONCAT("SELECT * FROM ",tab_name," where team='",w_team,"'"); Explanation: previous dynamic query will be like: SELECT * FROM Test where team=SPA And we changed it to: SELECT * FROM Test where team='SPA' ...

How to Build Software

Getting started tutorials how to be a good programmer, develop software with:

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