id int64 4 73.8M | title stringlengths 10 150 | body stringlengths 17 50.8k | accepted_answer_id int64 7 73.8M | answer_count int64 1 182 | comment_count int64 0 89 | community_owned_date stringlengths 23 27 ⌀ | creation_date stringlengths 23 27 | favorite_count int64 0 11.6k ⌀ | last_activity_date stringlengths 23 27 | last_edit_date stringlengths 23 27 ⌀ | last_editor_display_name stringlengths 2 29 ⌀ | last_editor_user_id int64 -1 20M ⌀ | owner_display_name stringlengths 1 29 ⌀ | owner_user_id int64 1 20M ⌀ | parent_id null | post_type_id int64 1 1 | score int64 -146 26.6k | tags stringlengths 1 125 | view_count int64 122 11.6M | answer_body stringlengths 19 51k |
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16,465,454 | How do I scroll to the right on a page that overflows horizontally? | <p>I want to scroll to the far right edge of a page that is really wide (it's wide on purpose) when the user closes a modal (specifically, the Reveal modal in Foundation 4).</p>
<p>I've tried setting an id on a div that's aligned all the way right, but that obviously doesn't work.</p> | 16,465,556 | 3 | 1 | null | 2013-05-09 15:28:43.23 UTC | 2 | 2013-08-12 22:45:35.59 UTC | null | null | null | null | 1,475,082 | null | 1 | 17 | javascript|jquery | 44,806 | <p>To scroll horizontally, you use <a href="http://api.jquery.com/scrollLeft/" rel="noreferrer">scrollLeft()</a>.</p>
<pre><code>$('body, html').scrollLeft(400);
</code></pre>
<p>jQuery also supports animating the <code>scrollLeft</code> property.</p>
<p>To scroll all the way to the right, you get the full width of ... |
16,110,528 | Tomcat multiple instances simultaneously | <p>I am trying to run multiple instances of Tomcat, but even after configuring different ports for listening and shutting down the second instance, it keeps trying to listen on 8080 (configured for 8081). I read that I have to set a different value for <code>CATALINA_BASE</code>. From all the articles there are online,... | 16,110,675 | 5 | 4 | null | 2013-04-19 17:43:06.74 UTC | 24 | 2018-04-10 12:25:47.91 UTC | 2013-12-12 16:16:21.013 UTC | null | 1,098,211 | null | 2,014,549 | null | 1 | 29 | windows|tomcat|multiple-instances|catalina | 52,262 | <p>The easiest way I have run two copies of Tomcat involved the following steps (I was trying to run two distinct versions of tomcat, 6 and 7):</p>
<ul>
<li><p>Establish 2 copies of tomcat in different folders (if they are different versions then this is easy, if they are the same version then you will need be disting... |
16,267,903 | Changing minDate and maxDate on the fly using jQuery DatePicker | <p>I'm having a particular issue with the jQuery Datepicker. I can easily add a date range, but I want the selectable range to change depending on the event the user has picked.</p>
<p>So if they pick event #1, they can only pick dates from event #1's date range.</p>
<p>I've written a simple little function that gets... | 16,267,968 | 5 | 2 | null | 2013-04-28 21:08:11.76 UTC | 7 | 2019-02-20 06:27:27.673 UTC | 2018-11-05 10:21:29.653 UTC | null | 608,639 | null | 199,700 | null | 1 | 31 | jquery|jquery-ui|datepicker | 114,378 | <p>You have a couple of options...</p>
<p>1) You need to call the <code>destroy()</code> method not <code>remove()</code> so...</p>
<pre><code>$('#date').datepicker('destroy');
</code></pre>
<p>Then call your method to recreate the <code>datepicker</code> object.</p>
<p>2) You can update the property of the existin... |
16,059,771 | Reverse Apply a commit to working copy | <p>In order to investigate the effect introduced by a previous commit, I want to reverse- apply it to my working copy and fiddle around with the code. </p>
<p>I managed with a workflow around creating and applying a patch, but wonder if this can be done easier.</p>
<pre><code>git checkout -b "tmp-fiddle"
git diff -R ... | 16,059,902 | 3 | 2 | null | 2013-04-17 12:16:52.557 UTC | 8 | 2021-10-30 19:26:07.99 UTC | null | null | null | null | 73,673 | null | 1 | 46 | git|revert | 12,914 | <p>How about <a href="https://www.kernel.org/pub/software/scm/git/docs/git-revert.html" rel="noreferrer"><code>git revert -n</code></a>?</p>
<blockquote>
<pre><code>-n
--no-commit
</code></pre>
<p>Usually the command automatically creates some commits with commit log messages stating which commits were reverted. ... |
15,169,418 | how can I get sessions to work using redis, express & socket.io? | <p>So I am trying to get Sessions to work inside my socket.on('connection', ...)
I am trying to get this working using recent versions: Socket.io - 0.9.13, Express - 3.1.0 and latest versions of other modules.</p>
<p>Anyway I have tried using both modules '<a href="https://npmjs.org/package/connect-redis" rel="norefer... | 15,169,642 | 2 | 0 | null | 2013-03-02 00:58:32.333 UTC | 9 | 2013-11-16 03:46:20.28 UTC | 2013-03-02 01:29:45.223 UTC | null | 685,404 | null | 685,404 | null | 1 | 9 | session|express|redis|socket.io|node-redis | 4,965 | <p>inside the <code>io.configure</code>, you have to link the socket with the http session.</p>
<p>Here's a piece of code that extracts the cookie (This is using socket.io with <code>xhr-polling</code>, I don't know if this would work for websocket, although I suspect it would work).</p>
<pre><code>var cookie = requi... |
24,475,917 | Swift - Create data model from JSON response | <p>I'm learning Swift lang and one of the things that would be great to hear others input about is "How you handle models from JSON responses"? For example -</p>
<p>I have <code>User.swift</code> model:</p>
<pre><code>class User: NSObject {
var user_token:String?
var email:String?
}
</code></pre>
<p>and also I w... | 31,843,191 | 6 | 5 | null | 2014-06-29 12:05:54.757 UTC | 8 | 2019-09-13 20:08:09.057 UTC | 2014-06-29 12:28:17.687 UTC | null | 727,208 | null | 2,117,550 | null | 1 | 12 | json|swift|key-value | 19,876 | <p>I recommend using code generation to generate models in Swift based on JSON. To that end, I've created a tool at <a href="http://www.guideluxe.com/JsonToSwift">http://www.guideluxe.com/JsonToSwift</a> to make modeling and parsing JSON as easy as possible.</p>
<p>After you've submited a sample JSON object with a cla... |
37,276,637 | RDP session is slow | <p>So I am connecting to my work computer from home and the Remote Desktop Connection app is annoyingly slow.</p>
<p>I pinged my work pc from my computer and it returned at a reasonable time of 50ms~ with 0 loss. I then attempted to ping my home IP from the RDP session and it timed out every time. Not sure if this mig... | 45,227,464 | 4 | 3 | null | 2016-05-17 12:45:33.973 UTC | 12 | 2021-03-09 22:01:50.873 UTC | null | null | null | null | 2,495,847 | null | 1 | 26 | rdp|remote-connection|remote-client | 113,765 | <p>Did three things and now RDP is running screaming fast:</p>
<ol>
<li>Change RDP settings:</li>
</ol>
<p><a href="https://i.stack.imgur.com/P0WJ1.png" rel="noreferrer"><img src="https://i.stack.imgur.com/P0WJ1.png" alt="enter image description here"></a></p>
<ol start="2">
<li><p>Run the RDP session and connect to... |
26,988,071 | Allow multiple CORS domain in express js | <p>How do I allow multiple domains for CORS in express in a simplified way.</p>
<p>I have</p>
<pre><code> cors: {
origin: "www.one.com";
}
app.all('*', function(req, res, next) {
res.header("Access-Control-Allow-Origin", cors.origin);
res.header("Access-Control-Allow-Headers",... | 26,988,252 | 6 | 7 | null | 2014-11-18 06:34:31.79 UTC | 6 | 2022-04-17 07:52:31.613 UTC | null | null | null | null | 2,098,614 | null | 1 | 33 | javascript|node.js|express|cors | 61,813 | <p>I would recommend the cors-module: <a href="https://www.npmjs.org/package/cors" rel="noreferrer">https://www.npmjs.org/package/cors</a>
It does this kind of stuff for you - check the "<a href="https://www.npmjs.com/package/cors#configuring-cors-w-dynamic-origin" rel="noreferrer">Configuring CORS w/ Dynamic Origin</a... |
17,208,254 | How to Change Pixel Color of an Image in C#.NET | <p>I am working with Images in Java, I have designed more over 100+ images(.png) format, They were all Trasparent and Black Color Drawing.</p>
<p>The problem is, Now I have been asked to change the color of the Drawing (Black -to ).</p>
<p>I have searched many code snipped at google,that changes the Bitmap (pixels) o... | 17,209,284 | 4 | 0 | null | 2013-06-20 07:58:44.403 UTC | 8 | 2015-12-30 08:34:06.183 UTC | 2013-06-20 09:34:54.063 UTC | null | 1,079,945 | null | 1,079,945 | null | 1 | 21 | c#|.net|drawing|pixels|bitmapimage | 64,264 | <p>Here is the Solution I have done with Pixels.</p>
<p>Attaching the source code so one can try the exact and get the result.</p>
<p>I have sample images of 128x128 (Width x Height).</p>
<pre><code>using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using Syst... |
17,507,525 | Putting three.js animation inside of div | <p>This is three.js animation code example:</p>
<pre><code><script defer="defer">
var angularSpeed = 0.2;
var lastTime = 0;
function animate(){
var time = (new Date()).getTime();
var timeDiff = time - lastTime;
var angleChange = angularSpeed * timeDiff * 2 * Math.PI / 1000;
plane.rotation.... | 17,507,839 | 3 | 0 | null | 2013-07-06 22:01:54.18 UTC | 8 | 2022-08-28 17:54:18.257 UTC | 2013-07-06 22:08:25.763 UTC | null | 1,226,513 | null | 1,226,513 | null | 1 | 24 | html5-canvas|three.js | 39,121 | <p>You can use a pattern like the following:</p>
<pre><code><div id="canvas">
#canvas {
background-color: #000;
width: 200px;
height: 200px;
border: 1px solid black;
margin: 100px;
padding: 0px;
position: static; /* fixed or static */
top: 100px;
left: 100px;
}
cont... |
17,435,861 | Kendo UI Datepicker disable typing | <p>I want users to be able to change a Kendo UI Datepicker value only through its button and selecting the date from the pop-up. How can I prevent users from typing in the Datepicker textbox? Can I disable the textbox without disabling the whole control?</p> | 18,835,696 | 11 | 0 | null | 2013-07-02 21:05:42.16 UTC | 6 | 2021-10-08 06:08:15.437 UTC | 2013-07-03 07:07:40.187 UTC | null | 2,759,625 | null | 966,572 | null | 1 | 37 | javascript|html|kendo-ui | 42,725 | <p>On your input element add this attribute and value... </p>
<pre><code>onkeydown="return false;"
</code></pre>
<p>This will disable typed input and still allow using the calendar control input. </p> |
18,626,544 | Devise "Confirmation token is invalid" when user signs up | <p>Using Rails 4 and Devise 3.1.0 on my web app. I wrote a Cucumber test to test user sign up; it fails when the "confirm my account" link is clicked from the e-mail.</p>
<pre><code>Scenario: User signs up with valid data # features/users/sign_up.feature:9
... | 18,675,155 | 3 | 5 | null | 2013-09-05 01:55:07.607 UTC | 6 | 2018-03-01 18:21:57.633 UTC | 2017-05-23 11:44:11.96 UTC | null | -1 | null | 2,217,557 | null | 1 | 44 | ruby-on-rails|devise|devise-confirmable | 16,727 | <p>So upgrading to Devise 3.1.0 left some 'cruft' in a view that I hadn't touched in a while.</p>
<p>According to <a href="http://blog.plataformatec.com.br/2013/08/devise-3-1-now-with-more-secure-defaults/" rel="noreferrer">this blog post</a>, you need to change your Devise mailer to use <code>@token</code> instead of... |
18,486,660 | What are the differences between Model, ModelMap, and ModelAndView? | <p>What are the main differences between the following <a href="http://projects.spring.io/spring-framework/" rel="noreferrer">Spring Framework</a> classes?</p>
<ul>
<li><code>Model</code></li>
<li><code>ModelMap</code></li>
<li><code>ModelAndView</code></li>
</ul>
<p>Using <code>Model.put(String,Object)</code> we can... | 18,487,335 | 3 | 0 | null | 2013-08-28 11:31:17.313 UTC | 25 | 2018-01-06 01:50:05.603 UTC | 2015-01-21 21:22:05.963 UTC | null | 606,910 | null | 2,046,194 | null | 1 | 80 | spring|spring-mvc | 66,980 | <p><code>Model</code> is an interface while <code>ModelMap</code> is a class.</p>
<p><code>ModelAndView</code> is just a container for both a <code>ModelMap</code> and a view object. It allows a controller to return both as a single value.</p> |
5,331,293 | What's the benefit of seeding a random number generator with only prime numbers? | <p>While conducting some experiments in Java, my project supervisor reminded me to seed each iteration of the experiment with a different number. He also mentioned that I should use prime numbers for the seed values. This got me thinking — why primes? Why not any other number as the seed? Also, why must the prime... | 5,331,910 | 3 | 8 | null | 2011-03-16 20:23:02.853 UTC | 2 | 2011-03-17 10:19:55.007 UTC | 2011-03-17 10:19:55.007 UTC | null | 495,545 | null | 495,545 | null | 1 | 31 | java|algorithm|random|seed | 5,088 | <p>Well one blink at the implementation would show you that he CAN'T have any reason for that claim at all. Why? Because that's how the set seed function looks like:</p>
<pre><code>synchronized public void setSeed(long seed) {
seed = (seed ^ multiplier) & mask;
this.seed.set(seed);
haveNextNextGaussian... |
18,387,814 | Drawing on Canvas - PorterDuff.Mode.CLEAR draws black! Why? | <p>I'm trying to create a custom View which works simple: there is a Bitmap which is revealed by arc path - from 0deg to 360deg. Degrees are changing with some FPS.</p>
<p>So I made a custom View with overridden <code>onDraw()</code> method:</p>
<pre><code>@Override
protected void onDraw(Canvas canvas) {
canvas.... | 44,607,874 | 7 | 2 | null | 2013-08-22 18:08:52.56 UTC | 6 | 2021-09-10 22:39:24.277 UTC | 2013-08-23 16:48:16.757 UTC | null | 997,381 | null | 997,381 | null | 1 | 34 | android|canvas|drawing|porter-duff | 24,612 | <p><code>PorterDuff.Mode.CLEAR</code> doesn't work with hardware acceleration. Just set </p>
<pre><code>view.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
</code></pre>
<p>Works perfectly for me.</p> |
18,410,035 | Ways to iterate over a list in Java | <p>Being somewhat new to the Java language I'm trying to familiarize myself with all the ways (or at least the non-pathological ones) that one might iterate through a list (or perhaps other collections) and the advantages or disadvantages of each. </p>
<p>Given a <code>List<E> list</code> object, I know of the f... | 18,410,489 | 13 | 11 | null | 2013-08-23 19:00:14.92 UTC | 230 | 2022-01-13 17:20:49.253 UTC | 2018-02-23 17:22:48.827 UTC | null | 63,550 | null | 1,171,509 | null | 1 | 674 | java|loops|collections|iteration | 1,144,876 | <p>The three forms of looping are nearly identical. The enhanced <code>for</code> loop:</p>
<pre><code>for (E element : list) {
. . .
}
</code></pre>
<p>is, according to the <a href="http://docs.oracle.com/javase/specs/jls/se7/html/jls-14.html#jls-14.14.2" rel="noreferrer">Java Language Specification</a>, <em>ide... |
20,036,984 | How do I restore a missing IIS Express SSL Certificate? | <p>After setting up HTTPS in IIS Express, according to such articles as <a href="http://robrich.org/archive/2012/06/04/moving-to-iis-express-and-https.aspx" rel="noreferrer">this</a> and <a href="http://www.hanselman.com/blog/WorkingWithSSLAtDevelopmentTimeIsEasierWithIISExpress.aspx" rel="noreferrer">this</a>, I am un... | 20,048,613 | 8 | 3 | null | 2013-11-17 22:24:39.503 UTC | 64 | 2021-04-24 12:12:24.267 UTC | 2018-01-15 18:53:40.3 UTC | null | 208,990 | null | 208,990 | null | 1 | 164 | ssl|https|ssl-certificate|iis-express | 114,465 | <p>Windows 10 users: Repair is only in the Control Panel, not in the Add Remove programs app. I typically run appwiz.cpl to launch the old control panel applet and run repair from there.</p>
<p>Windows 7 and 8.1:
After going to Add/Remove Programs and choosing the "Repair" option on IIS Express, the certifica... |
20,158,793 | Creating c++ vector of pointers | <p>In my C++ code I have a class Object equipped with an id field of type int. Now I want to create a vector of pointers of type Object*. First I tried</p>
<pre><code>vector<Object*> v;
for(int id=0; id<n; id++) {
Object ob = Object(id);
v.push_back(&ob);
}
</code></pre>
<p>but this failed becau... | 20,159,876 | 3 | 3 | null | 2013-11-23 05:07:11.88 UTC | 6 | 2015-04-06 02:39:45.797 UTC | 2013-11-23 15:32:36.117 UTC | null | 1,363,208 | null | 1,363,208 | null | 1 | 9 | c++|pointers|vector | 52,302 | <p>In this loop:</p>
<pre><code>for(int id=0; id<n; id++) {
Object ob = Object(id);
v.push_back(&ob);
}
</code></pre>
<p>You are creating n times Object instance on stack. At every iteration there is created and removed element. You can simply avoid this using that:</p>
<pre><code>for(int id=0; id<... |
15,436,702 | Estimate Cohen's d for effect size | <p>given two vectors:</p>
<pre><code>x <- rnorm(10, 10, 1)
y <- rnorm(10, 5, 5)
</code></pre>
<p>How to calculate Cohen's d for effect size?</p>
<p>For example, I want to use the <a href="http://www.statmethods.net/stats/power.html">pwr package</a> to estimate the power of a t-test with unequal variances and i... | 15,437,034 | 4 | 0 | null | 2013-03-15 15:52:19.907 UTC | 9 | 2021-06-29 09:53:43.687 UTC | 2013-03-15 16:08:57.11 UTC | null | 429,846 | null | 1,144,724 | null | 1 | 14 | r|statistics | 42,793 | <p>Following <a href="http://www.statmethods.net/stats/power.html" rel="noreferrer"><strong>this link</strong></a> and <a href="http://en.wikipedia.org/wiki/Cohen%27s_d#Cohen.27s_d" rel="noreferrer"><strong>wikipedia</strong></a>, Cohen's d for a t-test seems to be:</p>
<p><img src="https://i.stack.imgur.com/PP2Cf.jpg... |
15,484,622 | How to convert sparse matrix to dense matrix in Eigen | <p>Is there some easy and fast way to convert a sparse matrix to a dense matrix of doubles?</p>
<p>Because my <code>SparseMatrix</code> is not sparse any more, but became dense after some matrix products.</p>
<p>Another question I have: The Eigen library has excellent performance, how is this possible? I don't unders... | 15,592,295 | 1 | 2 | null | 2013-03-18 18:53:25.187 UTC | 9 | 2015-08-10 23:38:21.443 UTC | 2013-03-23 14:48:45.25 UTC | null | 1,737,727 | null | 2,165,656 | null | 1 | 20 | c++|matrix|sparse-matrix|eigen | 14,950 | <p>Let's declare two matrices:</p>
<pre><code>SparseMatrix<double> spMat;
MatrixXd dMat;
</code></pre>
<p>Sparse to dense:</p>
<pre><code>dMat = MatrixXd(spMat);
</code></pre>
<p>Dense to sparse:</p>
<pre><code>spMat = dMat.sparseView();
</code></pre> |
15,428,777 | whats the difference between: %%a and %variable% variables? | <pre><code>for /f "tokens=*" %%a in ('find /v ":" "%appdata%\gamelauncher\options.txt" ^| find "menu=a"') do ( set usemenu=a )
for /f "tokens=*" %%a in ('find /v ":" "%appdata%\gamelauncher\options.txt" ^| find "menu=b"') do ( set usemenu=b )
for /f "tokens=*" %%a in ('find /v ":" "%appdata%\gamelauncher\options.txt" ^... | 15,428,976 | 1 | 0 | null | 2013-03-15 09:29:14.63 UTC | 5 | 2019-07-03 02:30:00.133 UTC | null | null | null | null | 2,010,401 | null | 1 | 20 | variables|batch-file|cmd | 99,446 | <p><code>%variable%</code> are <em>environment</em> variables. They are set with <code>set</code> and can be accessed with <code>%foo%</code> or <code>!foo!</code> (with delayed expansion if enabled). <code>%%a</code> are special variables created by the <code>for</code> command to represent the current loop item or a ... |
15,133,595 | Use case generalization versus extension | <p>UML Use Case Diagrams allow for two seemingly equivalent ways to show that a given use case might be realised in several different ways namely <a href="https://i.stack.imgur.com/VThNF.png">use case generalizations</a> as opposed to <a href="https://i.stack.imgur.com/Xc0hU.png">use case extensions</a>. I have seen th... | 15,135,858 | 3 | 1 | null | 2013-02-28 10:51:30.013 UTC | 8 | 2022-06-12 13:17:00.59 UTC | null | null | null | null | 141,997 | null | 1 | 27 | uml|use-case | 21,706 | <blockquote>
<p>To my mind an extension is a weaker relationship than generalization
as a direct substitution of the specialised use case for the base case
must be possible in generalization but not necessarily in extensions.</p>
</blockquote>
<p>That is true.</p>
<blockquote>
<p>It seems to me that generalisation impl... |
15,195,750 | Minify/compress CSS with regex? | <p>In PHP can you compress/minify CSS with regex (PCRE)?</p>
<p>(As a theoretical in regex. I'm sure there are libraries out there that do this well.)</p>
<p><sub>Background note: After spending hours writing an answer to a <a href="https://stackoverflow.com/questions/15186425/string-replacement-fails-with-important"... | 15,195,752 | 4 | 6 | null | 2013-03-04 06:24:22.66 UTC | 10 | 2018-06-08 00:52:57.677 UTC | 2017-05-23 12:25:20.837 UTC | null | -1 | null | 107,152 | null | 1 | 28 | php|css|regex|pcre|minify | 7,875 | <h1>Simple regex CSS minifier/compressor</h1>
<p>(Ok, it may not be overly simple, but pretty straight forward.)</p>
<h2>Requirements</h2>
<p>This answer assumes that the requirements are:</p>
<ul>
<li>Remove comments</li>
<li>Replace whitespace combinations longer than 1 space with a single space</li>
<li>Remove a... |
15,363,923 | Disable the underlying window when a popup is created in Python TKinter | <p>I have a master Frame (call it <code>a</code>), and a popup Toplevel (call it <code>b</code>). How do I make sure the user cannot click on anything in <code>a</code> while <code>b</code> is "alive"?</p> | 15,363,998 | 1 | 0 | null | 2013-03-12 14:25:27.287 UTC | 12 | 2018-02-22 18:47:34.183 UTC | null | null | null | null | 755,934 | null | 1 | 32 | python|tkinter | 32,869 | <p>If you don't want to hide the root but just make sure the user can only interact with the popup, you can use <a href="http://effbot.org/tkinterbook/widget.htm#Tkinter.Widget.grab_set-method" rel="noreferrer"><code>grab_set()</code></a> and <a href="http://effbot.org/tkinterbook/widget.htm#Tkinter.Widget.grab_release... |
15,390,303 | How to group by DESC order | <p>I have the following table called questions:</p>
<pre><code>ID | asker
1 | Bob
2 | Bob
3 | Marley
</code></pre>
<p>I want to select each asker only once and if there are multiple askers with the same name, select the one of the highest id. So, the expected results:</p>
<pre><code>ID | asker
3 | Marley
2 | Bob... | 15,390,352 | 7 | 3 | null | 2013-03-13 15:59:44.897 UTC | 5 | 2020-10-25 22:10:19.017 UTC | 2020-10-25 22:10:19.017 UTC | null | 1,839,439 | null | 1,848,708 | null | 1 | 40 | mysql|sql|group-by | 108,106 | <p>If you want the last <code>id</code> for each <code>asker</code>, then you should use an aggregate function:</p>
<pre><code>SELECT max(id) as id,
asker
FROM questions
GROUP by asker
ORDER by id DESC
</code></pre>
<p>The reason why you were getting the unusual result is because MySQL uses an extension to <cod... |
45,183,875 | Spring Boot Controller not mapping | <p>I have used STS and now I am using IntelliJ Ultimate Edition but I am still getting the same output. My controller is not getting mapped thus showing 404 error. I am completely new to Spring Framework.</p>
<p>DemoApplication.java</p>
<pre><code>package com.webservice.demo;
import org.springframework.boot.SpringAp... | 47,283,396 | 13 | 14 | null | 2017-07-19 07:35:56.767 UTC | 6 | 2022-08-11 17:21:17.99 UTC | 2017-07-19 11:42:54.93 UTC | null | 472,495 | null | 6,154,775 | null | 1 | 45 | java|spring | 79,351 | <p>I too had the similar issue and was able to finally resolve it by correcting the source package structure following <a href="https://docs.spring.io/spring-boot/docs/current/reference/html/using-boot-structuring-your-code.html" rel="noreferrer">this</a></p>
<p>Your Controller classes are not scanned by the Component... |
23,583,497 | How to pass javascript/jQuery variable to PHP using POST method | <p>This is really basic. All I want to do is measure the html width of a browser window, and pass that data to a PHP script so that I can adjust what information is passed to the site.</p>
<p>I've got the HTML width part down. I'm just having trouble passing the Javascript/jQuery variable to the PHP script using AJAX.... | 23,583,747 | 2 | 8 | null | 2014-05-10 16:22:22.557 UTC | 0 | 2014-05-10 16:52:40.477 UTC | 2014-05-10 16:46:46.787 UTC | null | 1,021,725 | null | 3,623,716 | null | 1 | 2 | javascript|php|jquery|ajax|post | 47,274 | <p>Here is the code that can be function within a file:</p>
<p>For PHP part, you should pass value to the function and call the function.</p>
<p>I guess you need return data to the client from the php function return.
Then, for ajax part, you have to catch the return data.</p>
<pre><code><?
if(isset($_POST['width... |
8,548,030 | Why does "pip install" inside Python raise a SyntaxError? | <p>I'm trying to use pip to install a package. I try to run <code>pip install</code> from the Python shell, but I get a <code>SyntaxError</code>. Why do I get this error? How do I use pip to install the package?</p>
<pre><code>>>> pip install selenium
^
SyntaxError: invalid syntax
</code></pr... | 8,548,165 | 8 | 3 | null | 2011-12-17 21:23:32.337 UTC | 91 | 2021-11-19 15:07:17.573 UTC | 2017-01-10 00:44:18.36 UTC | null | 202,229 | null | 958,083 | null | 1 | 292 | python|pip|installation | 955,024 | <p>pip is run from the command line, not the Python interpreter. It is a program that <strong>installs</strong> modules, so you can use them from Python. Once you have installed the module, then you can open the Python shell and do <code>import selenium</code>.</p>
<p>The Python shell is not a command line, it is an i... |
4,986,683 | Difference between Implicit and Explicit Transaction | <p>What is the difference between Implicit and Explicit transaction in Sql Server 2008?</p>
<p>What happens in TransactionScope background? I'm using TransactionScope but in Sql server profiler I don't see "Begin transaction..." statement.</p>
<p>How does it work?</p> | 4,988,483 | 4 | 0 | null | 2011-02-13 20:30:59.217 UTC | 6 | 2015-05-06 14:31:26.883 UTC | 2011-02-14 02:49:04.467 UTC | null | 573,261 | null | 648,723 | null | 1 | 20 | sql-server-2005|sql-server-2008|c#-4.0|transactions|transactionscope | 51,641 | <ul>
<li>Implicit Transactions: <a href="http://msdn.microsoft.com/en-us/library/ms188317.aspx" rel="noreferrer">http://msdn.microsoft.com/en-us/library/ms188317.aspx</a></li>
<li>SET IMPLICIT_TRANSACTIONS { ON | OFF} <a href="http://msdn.microsoft.com/en-us/library/ms187807.aspx" rel="noreferrer">http://msdn.microsoft... |
5,013,917 | Can I serve JSPs from inside a JAR in lib, or is there a workaround? | <p>I have a web application deployed as a WAR file in Tomcat 7. The application is build as a multi-module project:</p>
<ul>
<li>core - packaged as JAR, contains most of the backend code</li>
<li>core-api - packaged as JAR, contains interfaces toward core</li>
<li>webapp - packaged as WAR, contains frontend code and d... | 11,063,065 | 5 | 2 | null | 2011-02-16 08:03:12.63 UTC | 26 | 2019-06-13 07:45:08.25 UTC | null | null | null | null | 90,566 | null | 1 | 64 | java|jsp|tomcat|servlets|tiles | 32,152 | <p>Servlet 3.0 which Tomcat 7 supports includes the ability to package jsps into a jar.</p>
<p>You need to:</p>
<ul>
<li>place your jsps in <code>META-INF/resources</code> directory of your jar</li>
<li>optionally include a <code>web-fragment.xml</code> in the <code>META-INF</code> directory of your jar</li>
<li>plac... |
4,967,530 | How can I maintain the space between these two buttons in IE7 mode? | <p>I have 2 buttons horizontally aligned. In most browsers there's a space between them, but if you view this:</p>
<p><a href="http://jsfiddle.net/2HP43/1/" rel="nofollow">http://jsfiddle.net/2HP43/1/</a></p>
<p>in "Browser Mode: IE7" & "Document Mode: IE7 Standards" you can see that the 2 buttons are stuck toget... | 4,967,564 | 6 | 1 | null | 2011-02-11 09:42:47.5 UTC | 1 | 2016-05-12 13:15:21.663 UTC | null | null | null | null | 181,771 | null | 1 | 0 | html|css|internet-explorer|internet-explorer-7 | 41,081 | <p>Have you tried putting <code>&nbsp;</code> in between them?</p>
<p>IE does not render "padding" to W3C standards. (See <a href="http://www.quirksmode.org/css/box.html" rel="nofollow">here</a> for explanation.) That's almost assuredly where this problem is coming from, so you'll need to insert something in bet... |
5,229,586 | What is the C# standard for capitialising method names? | <p>What is the C# standard for capitialising method names? Is it:</p>
<pre><code>MyClass.MyMethod()
</code></pre>
<p>or</p>
<pre><code>MyClass.myMethod()
</code></pre>
<p>?</p> | 5,229,612 | 8 | 3 | null | 2011-03-08 07:27:16.633 UTC | 7 | 2021-01-24 13:39:51.81 UTC | 2021-01-24 13:39:51.81 UTC | null | 939,213 | null | 626,023 | null | 1 | 54 | c#|naming-conventions | 40,941 | <p>The first one is right following the <a href="https://docs.microsoft.com/en-us/dotnet/standard/design-guidelines/capitalization-conventions" rel="nofollow noreferrer">.NET Capitalization Conventions</a></p> |
5,448,545 | How to retrieve GET parameters from JavaScript | <p>Consider:</p>
<pre><code>http://example.com/page.html?returnurl=%2Fadmin
</code></pre>
<p>For <code>js</code> within <code>page.html</code>, how can it retrieve <code>GET</code> parameters?</p>
<p>For the above simple example, <code>func('returnurl')</code> should be <code>/admin</code>.</p>
<p>But it should also wo... | 5,448,595 | 17 | 1 | null | 2011-03-27 10:09:49.803 UTC | 86 | 2022-06-11 06:59:58.467 UTC | 2020-10-08 21:02:27.487 UTC | null | 63,550 | null | 641,151 | null | 1 | 413 | javascript|get | 664,589 | <p>With the <a href="https://developer.mozilla.org/en/DOM/window.location" rel="noreferrer">window.location</a> object. This code gives you GET without the question mark.</p>
<pre><code>window.location.search.substr(1)
</code></pre>
<p>From your example it will return <code>returnurl=%2Fadmin</code></p>
<p><strong>E... |
17,042,431 | How to focus div? | <p>Please don't throw stones at me because i'm total newbie at js and jquery.
is it possible to focus a div?
i just wanted to process events when div is clicked OR is focused and when we click outside the div. Something like that:</p>
<p>HTML:</p>
<pre><code><div id="focusedDiv"></div>
</code></pre>
<p>J... | 17,042,452 | 1 | 2 | null | 2013-06-11 10:56:17.253 UTC | 1 | 2013-06-11 10:57:39.83 UTC | null | null | null | null | 1,178,399 | null | 1 | 6 | jquery|html | 55,086 | <p>You have to set tabindex attribute:</p>
<p><a href="http://jsfiddle.net/QAkGV/">http://jsfiddle.net/QAkGV/</a></p>
<pre><code><div id="focusedDiv" tabindex="-1"></div>
</code></pre>
<p>Or:</p>
<pre><code>$("#focusedDiv").attr('tabindex',-1).focus(function () {
....
});
</code></pre>
<p>F... |
61,966,810 | Flutter - save file to download folder - downloads_path_provider | <p>I'm developing a mobile app using flutter. For that I used <a href="https://pub.dev/packages/downloads_path_provider" rel="noreferrer">downloads-path-provider</a> to get the download directory of the mobile phone. The emulator returns <code>/storage/emulated/0/Download</code>. Also when I save a file in this directo... | 62,087,942 | 2 | 8 | null | 2020-05-23 02:47:15.773 UTC | 4 | 2022-05-05 19:12:37.947 UTC | 2020-05-29 14:15:34.463 UTC | null | 436,341 | null | 9,532,360 | null | 1 | 10 | android|flutter | 38,086 | <p>path_provider will probably undergo some changes soon, there are some open issues:</p>
<p><a href="https://github.com/flutter/flutter/issues/35783" rel="noreferrer">https://github.com/flutter/flutter/issues/35783</a></p>
<p>As of right now, the best way to get the download path on an Android device is to use:</p>
<p... |
12,064,439 | Detect whether cell value was actually changed by editing | <p><code>Worksheet_Change</code> triggers when a cell value is changed (which is what I want), but it also triggers when you enter a cell as if to edit it but don't actually change the cell's value (and this is what I don't want to happen). </p>
<p>Say I want to add shading to cells whose value was changed. So I code... | 12,068,586 | 5 | 4 | null | 2012-08-21 23:21:53.973 UTC | 4 | 2021-03-31 15:02:59.883 UTC | 2018-06-27 16:09:49.793 UTC | user2140173 | 8,112,776 | null | 1,615,488 | null | 1 | 11 | vba|excel | 40,619 | <p>I suggest automatically maintaining a "mirror copy" of your sheet, in another sheet, for comparison with the changed cell's value. </p>
<p>@brettdj and @JohnLBevan essentially propose doing the same thing, but they store cell values in comments or a dictionary, respectively (and +1 for those ideas indeed). My feeli... |
12,608,356 | How to build simple jQuery image slider with sliding or opacity effect? | <p>Some of us might not want to use ready plugins because of their high sizes and possibilty of creating conflicts with current javascript. </p>
<p>I was using light slider plugins before but when customer gives modular revise, it became really hard to manipulate. Then I aim to build mine for customising it easily. I ... | 12,608,357 | 5 | 1 | null | 2012-09-26 18:43:32.93 UTC | 34 | 2019-01-15 13:41:31.637 UTC | 2014-10-14 13:41:22.62 UTC | null | 1,428,241 | null | 1,428,241 | null | 1 | 28 | javascript|jquery|css|animation|slideshow | 77,386 | <p>Before inspecting examples, you should know two jQuery functions which i used most. </p>
<p><a href="http://api.jquery.com/index/" rel="nofollow noreferrer">index()</a> returns value is an integer indicating the position of the first element within the jQuery object relative to its sibling elements.</p>
<p><a href... |
12,338,244 | Making resources theme dependent | <p>Now that we have two Icons (Dark and Light) as described in <a href="http://developer.android.com/guide/practices/ui_guidelines/icon_design_action_bar.html" rel="noreferrer">ActionBar Icon Guide</a>.</p>
<pre><code>@drawable/ic_search_light
@drawable/ic_search_dark
</code></pre>
<p>How to reference these Icons in... | 12,339,924 | 1 | 4 | null | 2012-09-09 10:17:19.9 UTC | 21 | 2015-05-01 08:39:40.727 UTC | 2012-09-09 14:31:23.03 UTC | null | 1,531,054 | null | 1,531,054 | null | 1 | 28 | android|android-theme | 10,119 | <p>There's a way to define android <em>drawables</em> (and many other elements found in <em>res/values</em>) to be Theme dependent.</p>
<p>Lets suppose we have two <em>drawables</em>, menu icons in this case:</p>
<pre><code>res/drawable/ic_search_light.png
res/drawable/ic_search_dark.png
</code></pre>
<p>And we want... |
12,595,631 | Debugging with gdb on a program with no optimization but still there is no symbol in the current context for local variables | <p>I've been having this problem for while now, but always seem to put off asking this question because it seems like I am doing something wrong... but right now I feel otherwise... taken this code:</p>
<pre><code>#include <string>
#include <iostream>
#include <algorithm>
int main(int argc, char** ar... | 12,595,773 | 2 | 3 | null | 2012-09-26 06:17:46.55 UTC | 21 | 2013-02-24 11:02:49.66 UTC | 2012-09-26 07:00:33.663 UTC | user451498 | null | user451498 | null | null | 1 | 33 | c++|debugging|gcc|gdb | 16,250 | <p>No, even with --quiet it works for me. Maybe there's something wrong with your setup.</p>
<pre><code>~/tmp $ g++ -Wall tmp.cpp -o tmp -O0 -ggdb3
~/tmp $ gdb --quiet --args ./tmp string
Reading symbols from /xxxxxxxx/tmp...done.
(gdb) b 12
Breakpoint 1 at 0x400c95: file tmp.cpp, line 12.
(gdb) run
Starting program: ... |
12,399,505 | Understanding difference between redirect and rewrite .htaccess | <p>I'd like to understand the difference between redirecting and rewriting a URL using .htaccess.
So here's an example: Say I have a link like <code>www.abc.com/ index.php?page=product_types&cat=88</code> (call this the "original" url)</p>
<p>But when the user types in <code>abc.com/shoes</code> (let's call this ... | 12,399,668 | 1 | 2 | null | 2012-09-13 04:39:19.273 UTC | 10 | 2017-09-03 12:04:20.967 UTC | 2017-09-03 12:04:20.967 UTC | null | 1,033,581 | null | 700,343 | null | 1 | 36 | apache|.htaccess|mod-rewrite | 30,649 | <p>Some of the explanation can be found here: <a href="https://stackoverflow.com/a/11711948/851273">https://stackoverflow.com/a/11711948/851273</a></p>
<p>The gist is that a rewrite happens solely on the server, the client (browser) is blind to it. The browser sends a request and gets content, it is none the wiser to ... |
12,432,154 | Int vs Word in common use? | <p>It seems like the common pattern of taking/returning <code>Int</code> (ie <code>ByteString.hGet</code> and <code>Data.List.length</code>) is contrary to the Haskell pattern of using strongly-descrbing types, since many of these cases can only handle positive numbers. Would it not be better to use <code>Word</code>,... | 12,432,899 | 3 | 6 | null | 2012-09-14 21:21:09.377 UTC | 6 | 2012-09-16 10:08:50.287 UTC | null | null | null | null | 8,611 | null | 1 | 43 | haskell|type-safety | 4,883 | <p>It is true that the expressiveness of the Haskell type system encourages users to assign precise types to entities they define. However, seasoned Haskellers will readily acknowledge that one must strike a balance between ultimate type precision (which besides isn't always attainable given the current limits of Haske... |
12,131,273 | Twitter Bootstrap - Tabs - URL doesn't change | <p>I'm using Twitter Bootstrap and its "tabs".</p>
<p>I have the following code:</p>
<pre><code><ul class="nav nav-tabs">
<li class="active"><a data-toggle="tab" href="#add">add</a></li>
<li><a data-toggle="tab" href="#edit" >edit</a></li>
<li>&l... | 12,138,756 | 15 | 2 | null | 2012-08-26 15:19:06.007 UTC | 44 | 2020-05-16 07:54:28.1 UTC | 2012-12-04 20:12:01.297 UTC | null | 448,144 | null | 867,418 | null | 1 | 113 | jquery|twitter-bootstrap | 93,227 | <p>Try this code. It adds tab href to url + opens tab based on hash on page load:</p>
<pre><code>$(function(){
var hash = window.location.hash;
hash && $('ul.nav a[href="' + hash + '"]').tab('show');
$('.nav-tabs a').click(function (e) {
$(this).tab('show');
var scrollmem = $('body').scrollTop()... |
3,238,517 | How do I redirect a domain to a specific "landing page"? | <p>My client has several parked domains. She wants those domains to point to specific pages in her main site. For example:</p>
<p>Let's pretend she has a page on her main site about bedroom redecorating. That page is located at www.mainsite.com/bedrooms/</p>
<p>And let's say she has a parked domain called www.999bedr... | 3,238,667 | 3 | 0 | null | 2010-07-13 15:05:27.063 UTC | 6 | 2013-11-08 01:23:09.677 UTC | null | null | null | null | 320,942 | null | 1 | 11 | redirect | 40,731 | <p>There are (at least) two ways to do this. One way requires access to some sort of configuration on the server, and the other doesn't. I don't know if you're using the Apache web server, but if you are, you would add <code>mod_alias</code> to your configuration and restart Apache:</p>
<pre><code>a2enmod alias
apac... |
3,976,272 | JavaScript confirm box with custom buttons | <p>Can I write a custom confirm box in JavaScript that, instead of the default <code>OK</code> and <code>CANCEL</code> button, shows a <code>SAVE</code> and <code>DELETE</code> button?</p> | 3,976,283 | 3 | 2 | null | 2010-10-20 09:11:09.333 UTC | 1 | 2019-09-20 22:47:19.13 UTC | 2015-07-11 13:15:19.74 UTC | null | 4,370,109 | null | 461,807 | null | 1 | 14 | javascript|confirmbutton | 81,206 | <p>Use the <a href="http://jqueryui.com/demos/dialog/#modal-confirmation" rel="noreferrer">jQuery UI Dialog Box</a> for this.</p>
<p>You can do something like this:</p>
<p>JS: </p>
<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="... |
3,583,061 | Automatically mirror a git repository | <p>One of the side-effects of using an external Subversion repository was getting automatic offsite backups on every commit.</p>
<p>I'd like to achieve the same using Git. </p>
<p>i.e. every commit to my local repository automatically commits to an external one so the two repositories are always in sync.</p>
<p>I im... | 3,583,114 | 3 | 0 | null | 2010-08-27 09:56:10.967 UTC | 14 | 2022-08-02 13:27:21.89 UTC | null | null | null | null | 45,955 | null | 1 | 30 | git|version-control|dvcs | 16,377 | <p>I wrote a post-commit hook for just this purpose. The hook itself is simple; just add a file named <code>post-commit</code> to your <code>.git/hooks/</code> directory with the following contents:</p>
<pre><code>git push my_remote
</code></pre>
<p>The <code>post-commit</code> file should be executable. Also make su... |
3,320,355 | How should I approach building a Universal iOS app that will include iOS 4 features, even though the iPad doesn't yet run iOS 4? | <p>I'd like build a game for both the iPhone and iPad. As such, it would make sense to start this project from scratch as a universal app. However, iPhone and iPad currently run two different versions of the iOS since iOS 4 isn't available for the iPad yet. There are two iOS 4 features (GameCenter and iAd) that I wo... | 3,320,709 | 4 | 1 | null | 2010-07-23 16:41:38.79 UTC | 12 | 2011-08-14 01:21:58.01 UTC | 2010-07-23 17:07:15.08 UTC | null | 191,808 | null | 191,808 | null | 1 | 11 | iphone|ipad|ios4|universal-binary | 10,284 | <p>If you're about to build a Universal App, just remember the following two source code snippets:</p>
<ul>
<li><p>Using classes only if they are available on the current device</p>
<p>Consider this piece of code:</p>
<pre><code>UILocalNotification* n = [[UILocalNotification alloc] init];
</code></pre>
<p>When buil... |
24,024,702 | How can I decrypt a password hash in PHP? | <p>I need to decrypt a password. The password is encrypted with <code>password_hash</code> function.</p>
<pre><code>$password = 'examplepassword';
$crypted = password_hash($password, PASSWORD_DEFAULT);
</code></pre>
<p>Now, let's assume that <code>$crypted</code> is stored in a database (there's a "users" table, with... | 24,024,772 | 6 | 11 | null | 2014-06-03 20:51:40.343 UTC | 12 | 2021-08-30 21:24:17.797 UTC | 2020-04-30 02:19:16.76 UTC | null | 9,811,969 | null | 3,569,234 | null | 1 | 24 | php|mysql|encryption | 180,927 | <p>Bcrypt is a one-way hashing algorithm, you can't decrypt hashes. Use <a href="http://docs.php.net/manual/en/function.password-verify.php" rel="noreferrer">password_verify</a> to check whether a password matches the stored hash:</p>
<pre><code><?php
// See the password_hash() example to see where this came from.
$... |
22,739,701 | Django, save ModelForm | <p>I have created a model <strong>Student</strong> which extends from the <strong>Django User</strong> and is a foreign key to another model while it has an integer field called year. What i'm trying to do is to save a form, which has 2 fields. The one is the <strong>course id</strong> and the another one is the the in... | 22,749,879 | 2 | 4 | null | 2014-03-30 02:51:33.313 UTC | 16 | 2014-03-30 21:06:50.72 UTC | 2014-03-30 03:20:37.02 UTC | null | 1,867,980 | null | 1,460,144 | null | 1 | 32 | python|django|django-forms | 65,671 | <p>You dont need to redefine fields in the <code>ModelForm</code> if you've already mentioned them in the <code>fields</code> attribute. So your form should look like this -</p>
<pre><code>class SelectCourseYear(forms.ModelForm):
class Meta:
model = Student
fields = ['course', 'year'] # removing us... |
8,464,262 | Access is denied error on XDomainRequest | <p>I'm trying to use microsoft XDomainRequest to send cross domain request.
Here is the code </p>
<blockquote>
<pre><code>...
if ($.browser.msie && window.XDomainRequest) {
// Use Microsoft XDR
var xdr = new XDomainRequest();
xdr.open("POST", "http://graph.facebook.com/1524623057/");
xdr.send();
}
... | 8,509,981 | 2 | 6 | null | 2011-12-11 13:20:49.597 UTC | 5 | 2013-01-16 12:18:14.403 UTC | 2012-02-13 20:57:42.19 UTC | null | 213,269 | null | 1,051,927 | null | 1 | 32 | javascript|internet-explorer|cross-domain|xdomainrequest | 19,329 | <p>I found the reason of this problem. As stated in <a href="http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx" rel="noreferrer">Point 7</a>:</p>
<blockquote>
<p><strong>Requests must be targeted to the same scheme as the hosting page</strong></p>
<p>Thi... |
20,868,103 | ref and out arguments in async method | <p>Does anyone know why <code>async</code> methods are not allowed to have <code>ref</code> and <code>out</code> arguments? I've done a bit of research on it but the only thing I could find was that it has to do with the stack unrolling.</p> | 20,868,150 | 2 | 4 | null | 2014-01-01 11:22:16.94 UTC | 16 | 2021-04-22 02:38:33.467 UTC | 2021-04-22 02:38:33.467 UTC | null | 1,402,846 | null | 1,239,433 | null | 1 | 95 | c#|asynchronous | 63,102 | <blockquote>
<p>Does anyone know why async methods are not allowed to have ref and out arguments? </p>
</blockquote>
<p>Sure. Think about it - an async method usually <em>returns</em> almost immediately, long before most of the actual logic is executed... that's done asynchronously. So any <code>out</code> parameter... |
26,399,783 | How to properly execute a function inside ng-repeat | <p><strong>SITUATION:</strong></p>
<p>I am making an app in AngularJs that assign permissions.
In order to do this i have three nested ng-repeat.</p>
<p><em>First loop</em>: display PERMISSION GROUP</p>
<p><em>Second loop</em>: For each permission group display CATEGORIES.
Inside this loop execute a function that w... | 26,400,951 | 4 | 5 | null | 2014-10-16 08:37:46.37 UTC | 3 | 2016-02-15 03:01:25.107 UTC | 2014-10-16 10:05:33.217 UTC | null | 731,314 | null | 2,433,664 | null | 1 | 17 | javascript|php|angularjs|angularjs-ng-repeat | 65,177 | <p>Calling a function inside ng-repeat is same as normal one. Since you need to display the sub categories at the time of page loading its better to get these data beforehand.
Asynchronously loading sub categories will not fit into this scenario.</p>
<p>Here is a minimal snippet achieving this (<a href="http://jsfiddl... |
26,093,545 | How to validate domain name using regex? | <p>This is my code for validating domain name.</p>
<pre><code>function frmValidate() {
var val = document.frmDomin;
if (/^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/.test(val.name.value)) {
}
else {
alert("Enter Valid Domain Name");
val.name.focus();
return false;
... | 26,093,611 | 5 | 6 | null | 2014-09-29 06:14:01.893 UTC | 2 | 2020-07-15 14:18:37.187 UTC | 2017-06-01 09:33:46.8 UTC | null | 2,724,961 | null | 1,416,847 | null | 1 | 15 | javascript|regex | 54,539 | <p>Try this:</p>
<pre><code>^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9](?:\.[a-zA-Z]{2,})+$
</code></pre>
<p><a href="http://rubular.com/r/KByADagF3Z">Demo</a></p> |
10,889,391 | regex - get numbers after certain character string | <p>I have a text string that can be any number of characters that I would like to attach an order number to the end. Then I can pluck off the order number when I need to use it again. Since there's a possibility that the number is variable length, I would like to do a regular expression that catch's everything after th... | 10,889,423 | 3 | 0 | null | 2012-06-04 22:40:46.33 UTC | 5 | 2013-12-01 06:32:06.48 UTC | 2012-06-04 22:59:37.343 UTC | null | 20,938 | null | 1,252,748 | null | 1 | 12 | javascript|regex | 47,756 | <pre><code>var s = "aijfoi aodsifj adofija afdoiajd?order_num=3216545";
var m = s.match(/([^\?]*)\?order_num=(\d*)/);
var num = m[2], rest = m[1];
</code></pre>
<p>But remember that regular expressions are <em>slow</em>. Use <code>indexOf</code> and <code>substring</code>/<code>slice</code> when you can. For example:... |
11,011,724 | Java Object Assignment | <p>I am new to Java and I have some questions in mind regarding object assignment. For instance,</p>
<pre><code>Test t1 = new Test();
Test t2 = t1;
t1.i=1;
</code></pre>
<p>Assuming variable <code>i</code> is defined inside Test class, am I right to assume both t1 and t2 point to the same object where the modificatio... | 11,011,764 | 8 | 2 | null | 2012-06-13 09:15:45.44 UTC | 12 | 2020-10-20 06:33:19.563 UTC | 2012-06-13 09:37:04.073 UTC | user1238193 | null | user1238193 | null | null | 1 | 24 | java|object|pass-by-reference|variable-assignment | 46,760 | <p>You are right, but Strings are a special case; they are immutable and act like primitives in this case.</p>
<p>@newacct</p>
<p>I quote <a href="http://docs.oracle.com/javase/tutorial/java/data/strings.html" rel="noreferrer">http://docs.oracle.com/javase/tutorial/java/data/strings.html</a> :</p>
<blockquote>
<p>... |
11,268,930 | How to git revert a commit using a SHA | <p>How can I revert a commit with a GIVEN SHA? I just want to remove the changes with a given SHA? I want to keep all the commits made BEFORE & AFTER the give SHA. I just want to remove changes of that specified SHA.</p>
<p>I have read <a href="https://stackoverflow.com/questions/1895059/git-revert-to-a-commit-by... | 11,268,992 | 3 | 0 | null | 2012-06-29 21:04:46.92 UTC | 5 | 2020-06-27 20:29:29.883 UTC | 2017-05-23 12:17:28.077 UTC | null | -1 | null | 286,802 | null | 1 | 28 | git | 28,744 | <p>You can use <code>git revert <commit hash></code> to try to revert the changes made by the commit. This will not remove the commit from history, just make changes to undo it as a new commit. In other words you will have the first commit still in history, and an additional commit on the head of your branch whic... |
11,138,927 | Best way to limit the number of active Tasks running via the Parallel Task Library | <p>Consider a queue holding a <strong>lot</strong> of jobs that need processing. Limitation of queue is can only get 1 job at a time and no way of knowing how many jobs there are. The jobs take 10s to complete and involve a lot of waiting for responses from web services so is not CPU bound.</p>
<p>If I use something l... | 11,139,555 | 6 | 4 | null | 2012-06-21 13:10:51.557 UTC | 12 | 2016-09-08 20:23:55.277 UTC | 2017-05-23 12:02:22.183 UTC | null | -1 | null | 20,198 | null | 1 | 37 | c#|.net|task-parallel-library | 42,182 | <p>I just gave an <a href="https://stackoverflow.com/questions/11099810/managing-the-tpl-queue/11100423#11100423">answer</a> which is very applicable to this question.</p>
<p>Basically, the TPL Task class is made to schedule CPU-bound work. It is not made for blocking work.</p>
<p>You are working with a resource that... |
13,037,126 | javascript void functions | <blockquote>
<p><strong>Possible Duplicate:</strong><br>
<a href="https://stackoverflow.com/questions/1291942/what-does-javascriptvoid0-mean">What does “javascript:void(0)” mean?</a> </p>
</blockquote>
<p>I want to ask a few questions regarding <code>javascript:void(0)</code></p>
<pre><code><input type='sub... | 13,037,181 | 4 | 5 | null | 2012-10-23 18:47:00.463 UTC | 2 | 2019-07-05 15:16:31.527 UTC | 2019-07-05 15:16:31.527 UTC | null | 10,445,697 | null | 1,370,507 | null | 1 | 7 | javascript | 39,470 | <p><strong><a href="https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/void" rel="nofollow noreferrer">void()</a>:</strong></p>
<blockquote>
<p>This operator <strong>allows inserting expressions</strong> that produce side effects
into places where an expression that evaluates to undefined is
... |
13,051,204 | Spring transaction REQUIRED vs REQUIRES_NEW : Rollback Transaction | <p>I have a method that has the <code>propagation = Propagation.REQUIRES_NEW</code> transactional property:</p>
<pre><code>@Transactional(propagation = Propagation.REQUIRES_NEW)
public void createUser(final UserBean userBean) {
//Some logic here that requires modification in DB
}
</code></pre>
<hr>
<p>This metho... | 13,052,757 | 2 | 3 | null | 2012-10-24 14:22:12.853 UTC | 29 | 2022-02-19 19:12:33.08 UTC | 2014-07-12 00:30:19.977 UTC | null | 1,438,628 | null | 1,438,628 | null | 1 | 65 | java|spring|hibernate|transactions|spring-transactions | 174,693 | <p>Using <code>REQUIRES_NEW</code> is only relevant when the method is invoked from a transactional context; when the method is invoked from a non-transactional context, it will behave exactly as <code>REQUIRED</code> - it will create a new transaction.</p>
<p>That does not mean that there will only be one single trans... |
12,647,891 | How can you pass a bound variable to an ng-click function? | <p>I have a simple delete button that will accept a string or number but won't accept an ng-model variable ( not sure if that's the correct terminology ).</p>
<pre><code><button class="btn btn-danger" ng-click="delete('{{submission.id}}')">delete</button>
</code></pre>
<p>Which generates:</p>
<pre><code>... | 12,648,221 | 2 | 0 | null | 2012-09-28 21:55:36.95 UTC | 11 | 2018-06-23 23:20:23.38 UTC | null | null | null | null | 1,607,717 | null | 1 | 73 | javascript|angularjs | 53,844 | <p>You don't need to use curly brackets (<code>{{}}</code>) in the <code>ng-click</code>, try this:</p>
<pre><code><button class="btn btn-danger" ng-click="delete(submission.id)">delete</button>
</code></pre> |
12,955,222 | How to trigger HTML button when you press Enter in textbox? | <p>So the code that I have so far is:</p>
<pre><code><fieldset id="LinkList">
<input type="text" id="addLinks" name="addLinks" value="http://">
<input type="button" id="linkadd" name="linkadd" value="add">
</fieldset>
</code></pre>
<p>It is not in a <code><form></code> and is jus... | 12,955,267 | 14 | 4 | null | 2012-10-18 12:54:52.303 UTC | 29 | 2022-06-14 00:14:58.48 UTC | 2021-01-15 09:31:17.09 UTC | null | 542,251 | null | 1,753,537 | null | 1 | 127 | html|jquery|button|input|textbox | 262,493 | <pre><code>$(document).ready(function(){
$('#TextBoxId').keypress(function(e){
if(e.keyCode==13)
$('#linkadd').click();
});
});
</code></pre> |
16,961,838 | Working with arrays in V8 (performance issue) | <p>I tried next code (it shows similar results in Google Chrome and nodejs):</p>
<pre><code>var t = new Array(200000); console.time('wtf'); for (var i = 0; i < 200000; ++i) {t.push(Math.random());} console.timeEnd('wtf');
wtf: 27839.499ms
undefined
</code></pre>
<p>I also runned next tests:</p>
<pre><code>var t =... | 16,962,031 | 2 | 9 | null | 2013-06-06 12:15:13.323 UTC | 13 | 2022-09-03 05:59:08.737 UTC | 2013-06-06 12:39:29.24 UTC | null | 2,027,961 | null | 2,027,961 | null | 1 | 28 | javascript|arrays|google-chrome|firefox|v8 | 6,756 | <p>If you preallocate, do not use <code>.push</code> because you will create a sparse array backed by a hashtable. <a href="https://github.com/v8/v8/blob/abfa9f17410a2a84c2ac3364e0288f4a8311b9b1/src/objects.h#L2411" rel="noreferrer">You can preallocate sparse arrays up to 99999 elements</a> which will be backed by a C ... |
16,751,772 | How do I use Travis-CI with C# or F# | <p>Travis CI continuous integration service officially supports many <a href="http://about.travis-ci.org/docs/#Specific-Language-Help" rel="noreferrer">languages</a>, but not C# or F#. </p>
<p>Can I use it with my .net projects?</p> | 27,413,136 | 5 | 0 | null | 2013-05-25 16:48:39.12 UTC | 58 | 2017-06-22 13:37:13.443 UTC | 2014-03-22 13:57:50.177 UTC | null | 637,783 | null | 637,783 | null | 1 | 92 | c#|f#|mono|travis-ci | 14,626 | <p>Travis CI now <a href="http://docs.travis-ci.com/user/languages/csharp/" rel="noreferrer">supports C#</a>. Quoting liberally from that page:</p>
<blockquote>
<h1>Overview</h1>
<p>The setup for C#, F#, and Visual Basic projects looks like this:</p>
</blockquote>
<pre><code>language: csharp
solution: solution... |
25,700,971 | Fatal error: Please read "Security" section of the manual to find out how to run mysqld as root | <p>I am not sure how to fix this:</p>
<pre><code>dyn-72-33-214-45:python mona$ sudo /usr/local/mysql/bin/mysqld stop
2014-09-06 09:49:04 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2014-09-06 09:49:04 ... | 26,450,522 | 14 | 9 | null | 2014-09-06 13:50:58.353 UTC | 15 | 2022-01-04 08:49:13.66 UTC | null | null | null | null | 2,414,957 | null | 1 | 60 | mysql|sql|my.cnf | 161,084 | <p>I'm using OS X (Yosemite) and this error happened to me when I upgraded from Mavericks to Yosemite. It was solved by using this command</p>
<pre><code>sudo /usr/local/mysql/support-files/mysql.server start
</code></pre> |
58,010,655 | Is adb remount broken on android api 29? | <p><code>adb remount</code> does not work correctly on api 29 when running from the emulator. The command works fine on all other emulators that have been tried (18, 23, 25, 26, 27 and 28).</p>
<p>Any ideas why this might be?</p>
<pre><code>Skip mounting partition: /product_services
Skip mounting partition: /product... | 61,375,430 | 2 | 3 | null | 2019-09-19 12:05:51.963 UTC | 18 | 2021-01-23 21:03:56.28 UTC | null | null | null | null | 12,090,237 | null | 1 | 58 | android|android-emulator|adb|android-10.0 | 9,900 | <h2>Update:</h2>
<p>See @KiddTang answer which seems to be an actual solution</p>
<hr />
<ul>
<li><p>This issue is still occurring now even with API 30 (API R)! And even when starting emulator with writable-system option: (<code>emulator -writable-system -avd NAME_OF_DEVICE</code>)!</p>
<ul>
<li>I found there is an <a ... |
4,095,504 | Programmatically skip an NUnit test | <p>Is there a way for an NUnit test to end and tell the test runner that it should be considered skipped/ignored, rather than succeeded or failed?</p>
<p>My motivation for this is that I have a few tests that don't apply in certain circumstances, but this can't be determined until the test (or maybe the fixture) starts... | 4,095,528 | 2 | 0 | null | 2010-11-04 10:00:24.503 UTC | 4 | 2021-03-22 07:37:24.867 UTC | 2021-03-22 07:37:24.867 UTC | null | 1,402,846 | null | 67,316 | null | 1 | 47 | .net|unit-testing|nunit | 17,195 | <pre><code>Assert.Ignore();
</code></pre>
<p>is specifically what you're asking for, though there is also:</p>
<pre><code>Assert.Inconclusive();
</code></pre> |
10,191,506 | Internet Explorer Automation with VBA input events | <p>am trying to use automation in from Microsoft Access 2003 to control Internet Explorer 9 to complete a form using database data. </p>
<p>The input fires an event in the browser which validates the data and makes the save button visible. If I use sendkeys the event is triggered; however, I have found sendkeys to b... | 10,258,397 | 2 | 0 | null | 2012-04-17 12:44:28.933 UTC | 4 | 2016-03-23 18:42:05.307 UTC | 2012-04-20 18:09:27.923 UTC | null | 290,504 | null | 290,504 | null | 1 | 6 | internet-explorer|vba|automation | 50,979 | <p>After sweating over this for a few days, the answer was actually very simple but nearly impossible to find in any documentation on MSDN or anywhere else on the web. </p>
<p>Before you change the value of the input field, you net to set the focus on that field. After you change the value, you need to set the focus... |
9,784,683 | Android external camera options - overlay on top of video stream, no middleman server/router | <p>I'm looking for a way to interface with an external camera from an Android device. The reason it needs to be an external camera is because I need to be able to modify the camera (remove IR filter) and I have no desire to break an on-board phone camera. </p>
<p>It doesn't matter how the camera connects whether it is... | 10,570,501 | 2 | 0 | null | 2012-03-20 10:05:56.243 UTC | 9 | 2012-05-13 08:59:08.52 UTC | 2017-05-23 12:25:39.467 UTC | null | -1 | null | 1,233,435 | null | 1 | 15 | android|bluetooth|camera|usb|ip-camera | 38,103 | <p>I ended up opting for the IP camera option as it seemed to be the only viable option.</p>
<p>I was able to purchase <a href="https://rads.stackoverflow.com/amzn/click/com/B00452V66G" rel="nofollow noreferrer" rel="nofollow noreferrer" title="this">this</a> camera and remove the IR filter by removing the glue at the... |
9,896,216 | Deploy Sinatra app on Heroku | <p>I have simple Sinatra app.</p>
<p><strong>web.rb:</strong></p>
<pre><code>require 'sinatra'
get '/' do
"Hello"
end
</code></pre>
<p><strong>Gemfile:*</strong></p>
<pre><code>source :rubygems
gem 'sinatra', '1.1.0'
gem 'thin', '1.2.7'
</code></pre>
<p><strong>config.ru:</strong></p>
<pre><code>require '... | 9,896,773 | 5 | 4 | null | 2012-03-27 19:22:11.413 UTC | 14 | 2018-04-08 21:58:07.567 UTC | 2012-03-27 20:07:22.673 UTC | null | 25,066 | null | 205,270 | null | 1 | 16 | ruby|heroku|sinatra | 11,956 | <p>You need a <code>Procfile</code> file alongside your <code>config.ru</code> to tell Heroku how to run your app. Here is the content of an example <code>Procfile</code>:</p>
<pre><code>web: bundle exec ruby web.rb -p $PORT
</code></pre>
<p><a href="https://devcenter.heroku.com/articles/procfile" rel="nofollow noref... |
9,734,384 | Default timeout for HttpComponent Client | <p>I can't find any documentation on the default httpParams for httpclient 4.1 ?</p>
<p>What's the default socket timeout when I do a GET ? </p> | 9,734,836 | 5 | 0 | null | 2012-03-16 09:04:20.727 UTC | 3 | 2021-01-29 14:15:33.67 UTC | null | null | null | null | 356,899 | null | 1 | 23 | java|apache-httpcomponents | 52,334 | <p>According to the <a href="http://hc.apache.org/httpcomponents-client-ga/tutorial/html/connmgmt.html" rel="noreferrer">documentation</a>, the <code>http.socket.timeout</code> parameter controls the SO_TIMEOUT value, and:</p>
<blockquote>
<p>If this parameter is not set, read operations will not time out
(infinit... |
10,137,214 | How get next (previous) element in std::list without incrementing (decrementing) iterator? | <p>Say I have an <code>std::list<int> lst</code> and some <code>std::list<int>::iterator it</code> for iterating through the list. And depended to value of the <code>it</code> I want to use <code>it + 1</code> or <code>it - 1</code> in my code. Is there some good way to do that like <code>next()</code>, <co... | 10,137,694 | 3 | 6 | null | 2012-04-13 08:00:34.11 UTC | 3 | 2012-04-13 08:37:58.617 UTC | 2012-04-13 08:02:13.133 UTC | null | 427,328 | null | 509,233 | null | 1 | 51 | c++|list|iterator | 46,781 | <p>Copying and incrementing/decrementing the copy is the only way it can be done.</p>
<p>You can write wrapper functions to hide it (and as mentioned in answers, C++11 has std::prev/std::next which do just that (and Boost defines similar functions). But they are wrappers around this "copy and increment" operation, so ... |
9,802,788 | Call a REST API in PHP | <p>Our client had given me a REST API to which I need to make a PHP call. But as a matter of fact, the documentation given with the API is very limited, so I don't really know how to call the service.</p>
<p>I've tried to Google it, but the only thing that came up was an already expired Yahoo! tutorial on how to call t... | 9,802,854 | 12 | 0 | null | 2012-03-21 10:33:38.28 UTC | 204 | 2022-02-25 00:14:44.67 UTC | 2022-02-25 00:14:44.67 UTC | null | 17,079,652 | null | 452,421 | null | 1 | 387 | php|rest|web-services | 941,770 | <p>You can access any REST API with PHPs <code>cURL</code> Extension. However, the API Documentation (Methods, Parameters etc.) must be provided by your Client!</p>
<p>Example:</p>
<pre><code>// Method: POST, PUT, GET etc
// Data: array("param" => "value") ==> index.php?param=value
function CallAPI($method, $u... |
8,141,795 | How to add an assembly manifest to a .NET executable? | <p>How can i add an assembly manifest to my .NET executable?</p>
<hr>
<p>An assembly manifest is is an XML file that is added to a .NET portable executable (PE) with resource type <code>RT_MANIFEST</code> (24). </p>
<p>Assembly manifests are used to declare a number of things about the executable, e.g.:</p>
<ul>
<l... | 8,844,086 | 3 | 2 | null | 2011-11-15 19:12:39.027 UTC | 8 | 2015-11-27 18:15:33.73 UTC | 2017-05-23 10:31:26.04 UTC | null | -1 | null | 12,597 | null | 1 | 33 | visual-studio-2010|manifest|fusion | 47,542 | <p>If you want to add custom information to your application's manifest, you can follow these steps:</p>
<ol>
<li>Right-click on the project in the Solution Explorer.</li>
<li>Click "Add New Item".</li>
<li>Select "Application Manifest File".</li>
</ol>
<p>This adds a file named <code>app.manifest</code> to your proj... |
11,619,545 | jQuery loop through Child divs | <pre><code><div id="ChosenCategory" class="chosen">
<div class="cat_ch" name="1">
<div class="cat_ch" name="2">
<div class="cat_ch" name="3">
<div class="cat_ch" name="5">
<div class="clear"> </div>
</div>
</code></pre>
<p>I want to loop though <code>div.c... | 11,619,756 | 8 | 3 | null | 2012-07-23 19:55:59.167 UTC | null | 2015-10-22 18:10:30.457 UTC | null | null | null | null | 842,767 | null | 1 | 10 | javascript|jquery|loops|html|each | 40,828 | <p><a href="http://jsfiddle.net/2TRxh/" rel="nofollow">http://jsfiddle.net/2TRxh/</a></p>
<p>I think your issue lies with the attempt to get the val off the div after you get the attribute <code>$(this).attr("name").val()</code>. Using <code>.val()</code> on a div doesn't make sense. If you remove that <code>$(this).a... |
11,689,800 | extra white space between tables in html email for gmail client | <p>My code is at</p>
<p><a href="http://jsfiddle.net/user1212/G86KE/4/" rel="noreferrer">http://jsfiddle.net/user1212/G86KE/4/</a></p>
<p>The problem is in gmail it leaves an extra white space between 2 tables inside the same cell.
I have tried <code>display:block; margin:0; padding:0; line-height:0;</code></p>
<p>... | 11,692,240 | 9 | 5 | null | 2012-07-27 14:23:37.83 UTC | 4 | 2018-06-26 23:33:47.337 UTC | 2012-07-27 16:45:03.263 UTC | null | 544,079 | null | 544,079 | null | 1 | 14 | html|css|html-email | 69,943 | <p>Styling HTML mails is horrible.</p>
<p>A few tips:</p>
<p><code>border-spacing:0; /*this should fix the spacing problem*/</code></p>
<p>You need to apply this to all the tables you are using, so you should include it in a <code><style></code> block at the top like so:</p>
<pre><code><head>
<styl... |
11,556,607 | Android : difference between invisible and gone? | <p>What is the difference between <code>invisible</code> and <code>gone</code> for the View visibility status?</p> | 11,556,629 | 8 | 1 | null | 2012-07-19 08:14:18.817 UTC | 66 | 2021-05-25 18:31:46.457 UTC | 2015-12-22 17:12:31.04 UTC | null | 1,332,549 | null | 1,399,620 | null | 1 | 539 | android|android-xml|xml-attribute | 180,747 | <p>INVISIBLE:</p>
<blockquote>
<p>This view is invisible, but it still takes up space for layout purposes.</p>
</blockquote>
<p>GONE:</p>
<blockquote>
<p>This view is invisible, and it doesn't take any space for layout purposes.</p>
</blockquote> |
11,810,858 | How to create SVN repository on server? | <p>How to create SVN repository on server? Although i have found various articles on this but still facing issues while creating repository on my website. Right now i am using <a href="http://www.assembla.com" rel="noreferrer">assembla</a> as my SVN repository, but want to create my own on my hosting.</p> | 11,810,992 | 1 | 1 | null | 2012-08-04 18:04:01.653 UTC | 11 | 2017-01-26 12:31:19.837 UTC | null | null | null | null | 802,744 | null | 1 | 29 | svn|webserver | 70,127 | <ol>
<li><p><strong>Create a Repository:</strong></p>
<p><code>svnadmin create /svnrepos</code> </p></li>
<li><p><strong>Create a SVN User</strong></p>
<p><code>vi /svnrepos/conf/svnserve.conf</code></p>
<blockquote>
<p>anon-access = none </p>
<p>auth-access = write </p>
<p>password-db = passwd</p>
</... |
11,776,767 | What exactly is UIFont's point size? | <p>I am struggling to understand exactly what the point size in <code>UIFont</code> means. It's not pixels and it doesn't appear to be the standard definition of point which is that they relate to 1/72th inch.</p>
<p>I worked out the pixel size using <code>-[NSString sizeWithFont:]</code> of fonts at various sizes and... | 11,784,813 | 5 | 5 | null | 2012-08-02 11:48:06.513 UTC | 17 | 2015-05-14 19:14:33.507 UTC | 2012-08-03 09:07:07.653 UTC | null | 1,068,248 | null | 1,068,248 | null | 1 | 50 | objective-c|ios|fonts|uikit|uifont | 23,264 | <p>A font has an internal coordinate system, think of it as a unit square, within which a glyph's vector coordinates are specified at whatever arbitrary size accommodates all the glyphs in the font +- any amount of margin the font designer chooses.</p>
<p>At 72.0 points the font's unit square is one inch. Glyph <em>x<... |
11,510,483 | Will a browser give an iframe a separate thread for JavaScript? | <p>Do web browsers use separate executional threads for JavaScript in iframes?</p>
<p>I believe Chrome uses separate threads for each tab, so I am guessing that JavaScript in an iframe would share the same thread as its parent window, however, that seems like a security risk too.</p> | 11,510,596 | 10 | 4 | null | 2012-07-16 18:40:04.717 UTC | 6 | 2022-02-25 23:45:39.58 UTC | null | null | null | null | 2,582 | null | 1 | 67 | javascript|multithreading|browser | 22,861 | <p>Before chrome came along, all tabs of any browser shared the same single thread of JavaScript. Chrome upped the game here, and some others have since followed suit.</p>
<p>This is a browser implementation detail, so there is no solid answer. Older browsers definitely don't. I don't know of any browser that definite... |
12,018,992 | Print Combining Strings and Numbers | <p>To print strings and numbers in Python, is there any other way than doing something like:</p>
<pre><code>first = 10
second = 20
print "First number is %(first)d and second number is %(second)d" % {"first": first, "second":second}
</code></pre> | 12,019,007 | 6 | 5 | null | 2012-08-18 13:32:47.407 UTC | 30 | 2022-03-14 15:48:16.357 UTC | 2018-09-04 16:21:02.57 UTC | null | 9,767,286 | null | 680,441 | null | 1 | 79 | python|python-2.7 | 400,418 | <blockquote>
<p>Using <em>print function without parentheses</em> works with older versions of Python but is <strong>no longer supported on Python3</strong>, so you have to put the arguments inside parentheses. However, there are <a href="https://stackoverflow.com/questions/32122868/python-3-print-without-parenthesis/3... |
11,555,468 | How should I read a file line-by-line in Python? | <p>In pre-historic times (Python 1.4) we did:</p>
<pre><code>fp = open('filename.txt')
while 1:
line = fp.readline()
if not line:
break
print(line)
</code></pre>
<p>after Python 2.1, we did:</p>
<pre><code>for line in open('filename.txt').xreadlines():
print(line)
</code></pre>
<p>before we got ... | 11,555,509 | 3 | 6 | null | 2012-07-19 06:58:25.2 UTC | 44 | 2022-08-29 13:23:39.647 UTC | 2022-08-29 13:23:39.647 UTC | null | 523,612 | null | 75,103 | null | 1 | 143 | python | 360,177 | <p>There is exactly one reason why the following is preferred:</p>
<pre><code>with open('filename.txt') as fp:
for line in fp:
print(line)
</code></pre>
<p>We are all spoiled by CPython's relatively deterministic reference-counting scheme for garbage collection. Other, hypothetical implementations of Pytho... |
11,828,485 | Get the option value in select in javascript | <blockquote>
<p><strong>Possible Duplicate:</strong><br>
<a href="https://stackoverflow.com/questions/1085801/how-to-get-the-selected-value-of-dropdownlist-using-javascript">How to get the selected value of dropdownlist using JavaScript?</a><br>
<a href="https://stackoverflow.com/questions/11828125/how-to-get-the... | 11,828,653 | 2 | 1 | null | 2012-08-06 12:40:56.503 UTC | 1 | 2016-10-21 14:33:05.247 UTC | 2017-05-23 12:24:29.913 UTC | null | -1 | null | 1,115,161 | null | 1 | -3 | javascript | 45,533 | <pre><code>var elem = document.getElementById("short_code"),
selectedNode = elem.options[elem.selectedIndex];
if ( selectedNode.value === "First" ) { //...
</code></pre> |
3,735,531 | SQL/C# - Best method for executing a query | <p>I need to execute a sql query from within a c# class. I have thought of 2 options</p>
<ol>
<li>Starting a process of sqlcmd.</li>
<li>Using a SqlCommand object.</li>
</ol>
<p>My question is which would be the better way? It's important that the solution only holds a connection to the server for a short time.</p>
... | 3,735,547 | 5 | 4 | null | 2010-09-17 13:06:02.29 UTC | 0 | 2015-07-31 15:30:26.67 UTC | null | null | null | null | 393,908 | null | 1 | 18 | c#|sql|sql-server-express | 78,235 | <p>Use a SqlCommand. This code will only keep the connection alive for a very short period of time (as long as your query is performant):</p>
<pre><code>DataTable results = new DataTable();
using(SqlConnection conn = new SqlConnection(connString))
using(SqlCommand command = new SqlCommand(query, conn))
us... |
3,803,951 | htmlspecialchars(): Invalid multibyte sequence in argument | <p>I am getting this error in my local site.</p>
<pre><code>Warning (2): htmlspecialchars(): Invalid multibyte sequence in argument in [/var/www/html/cake/basics.php, line 207]
</code></pre>
<p>Does anyone knows, what is the problem or what should be the solution for this?</p>
<p>Thanks.</p> | 3,803,972 | 6 | 0 | null | 2010-09-27 12:52:42.34 UTC | 4 | 2014-10-23 13:10:32.977 UTC | null | null | null | null | 417,143 | null | 1 | 16 | php|cakephp|warnings|htmlspecialchars | 39,599 | <p>Be sure to specify the encoding to UTF-8 if your files are encoded as such:</p>
<pre><code>htmlspecialchars($str, ENT_COMPAT, 'UTF-8');
</code></pre>
<p>The default charset for <code>htmlspecialchars</code> is ISO-8859-1 (as of PHP v5.4 the default charset was turned to 'UTF-8'), which might explain why things go ... |
3,498,730 | Is C++ an Object Oriented language? | <p>I have always heard that C++ is not Object Oriented but rather "C with Classes". So, when I mentioned to an interviewer that C++ was not really object oriented, he asked me why I didn't consider it an OO language. I haven't done any C++ since University, and I didn't have much of an answer. Is C++ Object Oriented ... | 3,498,750 | 18 | 13 | null | 2010-08-17 01:45:43.137 UTC | 10 | 2021-11-11 22:04:25.21 UTC | 2015-10-05 12:22:53.457 UTC | null | 1,916,893 | null | 295,916 | null | 1 | 31 | c++|oop | 49,209 | <p>C++ is usually considered a "multi-paradigm" language. That is, you can use it for object-oriented, procedural, and even functional programming.</p>
<p>Those who would deny that C++ is OO generally have beef with the fact that the primitive types are not objects themselves. By this standard, Java would also not b... |
8,065,571 | Change state of toggle button from another button | <p>I'm creating a Java GUI using Swing with Eclipse and Window Builder Pro. I'm using <code>JButtons</code> and <code>JToggleButtons</code>. I want to change toggle button's state from another button.</p>
<p><img src="https://i.stack.imgur.com/TbbtK.jpg" alt="enter image description here"></p>
<p>For example, when I ... | 8,065,687 | 4 | 0 | null | 2011-11-09 13:17:14.477 UTC | 4 | 2014-11-15 07:57:16.083 UTC | 2011-11-09 13:32:47.757 UTC | null | 418,556 | null | 819,013 | null | 1 | 10 | java|swing|jbutton|windowbuilder|jtogglebutton | 48,070 | <p><a href="http://download.oracle.com/javase/7/docs/api/javax/swing/AbstractButton.html#setSelected%28boolean%29">toggleButton.setSelected(boolean b)</a></p>
<pre><code>import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractButton;
import java... |
8,145,509 | MPMediaItem and iTunes Match | <p>I have an app that uses the iPod Library API to access the song database in iOS. With the release of iTunes Match, any song which is not on the device will fail to load. Is there a way I an request that the song be downloaded? Perhaps using the new iCloud API? </p>
<p><strong>Edit:</strong>
To be clear I am not a... | 8,393,349 | 4 | 5 | null | 2011-11-16 01:23:51.463 UTC | 14 | 2016-11-29 08:43:33.67 UTC | 2011-11-16 17:37:32.737 UTC | null | 647,315 | null | 647,315 | null | 1 | 30 | objective-c|ios|core-audio|ipod|icloud | 9,320 | <p>I have found something, but it isn't great. If you select the song to be played through the iPod player then that will trigger a download. You can access the iPod player with an MPMusicPlayerController.</p>
<pre><code>MPMusicPlayerController *mDRMAudioPlayer;
mDRMAudioPlayer = [MPMusicPlayerController iPodMusicPl... |
8,090,229 | resize with averaging or rebin a numpy 2d array | <p>I am trying to reimplement in python an IDL function:</p>
<p><a href="http://star.pst.qub.ac.uk/idl/REBIN.html" rel="noreferrer">http://star.pst.qub.ac.uk/idl/REBIN.html</a></p>
<p>which downsizes by an integer factor a 2d array by averaging.</p>
<p>For example:</p>
<pre><code>>>> a=np.arange(24).reshap... | 8,090,605 | 5 | 1 | null | 2011-11-11 05:58:38.413 UTC | 9 | 2022-07-03 16:48:44.36 UTC | null | null | null | null | 597,609 | null | 1 | 38 | python|numpy|slice|binning | 34,221 | <p>Here's an example based on <a href="https://stackoverflow.com/questions/4624112/grouping-2d-numpy-array-in-average/4624923#4624923">the answer you've linked</a> (for clarity):</p>
<pre class="lang-py prettyprint-override"><code>>>> import numpy as np
>>> a = np.arange(24).reshape((4,6))
>>... |
8,141,440 | How are constructors called during serialization and deserialization? | <p>How are the constructors called during serialization and deserialization</p>
<ol>
<li>When there is one class implementing serializable?</li>
<li>When there is parent/child relationship and only child implements serializable?</li>
<li>When there is parent/child relationship and both parent and child implements seri... | 8,141,671 | 6 | 1 | null | 2011-11-15 18:46:00.283 UTC | 17 | 2020-06-24 05:04:32.857 UTC | 2015-09-21 11:41:04.427 UTC | null | 1,310,566 | null | 968,161 | null | 1 | 60 | java|serialization | 47,270 | <p>Example:</p>
<pre><code> public class ParentDeserializationTest {
public static void main(String[] args){
try {
System.out.println("Creating...");
Child c = new Child(1);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStrea... |
8,080,579 | Android TextField : set focus + soft input programmatically | <p>In my view, I have a search EditText and I would like to trigger programmatically the behaviour of a click event on the field, i.e give focus to the text field AND display soft keyboard if necessary (if no hard keyboard available).</p>
<p>I tried <code>field.requestFocus()</code>. The field actually gets focus but ... | 8,080,621 | 7 | 0 | null | 2011-11-10 13:55:22.653 UTC | 18 | 2021-06-09 04:10:37.807 UTC | null | null | null | null | 569,558 | null | 1 | 86 | android|android-edittext | 93,449 | <p>Good sir, try this:</p>
<pre><code>edittext.setFocusableInTouchMode(true);
edittext.requestFocus();
</code></pre>
<p>I'm not sure, but this might be required on some phones (some of the older devices):</p>
<pre><code>final InputMethodManager inputMethodManager = (InputMethodManager) context
.getSy... |
8,345,581 | C: printf a float value | <p>I want to print a float value which has 2 integer digits and 6 decimal digits after the comma. If I just use <code>printf("%f", myFloat)</code> I'm getting a truncated value.</p>
<p>I don't know if this always happens in C, or it's just because I'm using C for microcontrollers (CCS to be exact), but at the referenc... | 8,345,605 | 7 | 7 | null | 2011-12-01 17:25:42.54 UTC | 17 | 2022-03-01 18:10:50.177 UTC | 2012-06-19 01:32:38.2 UTC | null | 44,390 | null | 808,091 | null | 1 | 104 | c|floating-point | 691,788 | <p>You can do it like this:</p>
<pre><code>printf("%.6f", myFloat);
</code></pre>
<p>6 represents the number of digits after the decimal separator.</p> |
8,297,705 | How to implement thread-safe lazy initialization? | <p>What are some recommended approaches to achieving <strong><em>thread-safe</em></strong> lazy initialization? For instance,</p>
<pre><code>// Not thread-safe
public Foo getInstance(){
if(INSTANCE == null){
INSTANCE = new Foo();
}
return INSTANCE;
}
</code></pre> | 8,297,830 | 13 | 0 | null | 2011-11-28 14:57:32.71 UTC | 28 | 2022-08-24 02:24:55.127 UTC | null | null | null | null | 584,862 | null | 1 | 66 | java|thread-safety|lazy-initialization | 61,484 | <p>For singletons there is an elegant solution by delegating the task to the JVM code for static initialization.</p>
<pre><code>public class Something {
private Something() {
}
private static class LazyHolder {
public static final Something INSTANCE = new Something();
}
public static ... |
8,158,969 | H2 database error: Database may be already in use: "Locked by another process" | <p>I am trying to use the H2 database from a Java application. </p>
<p>I created the database and its tables through the H2 Console and then I try to connect from Java using </p>
<pre><code>Connection con = DriverManager.getConnection("jdbc:h2:~/dbname", "username", "password");
</code></pre>
<p>However I receive th... | 8,159,043 | 16 | 0 | null | 2011-11-16 21:27:43.807 UTC | 18 | 2022-04-08 11:33:17.367 UTC | 2015-10-24 12:24:29.077 UTC | null | 5,240,004 | null | 260,108 | null | 1 | 58 | java|database|h2 | 134,207 | <p>H2 is still running (I can guarantee it). You need to use a TCP connection for multiple users such as -></p>
<pre><code><property name="javax.persistence.jdbc.url" value="jdbc:h2:tcp://localhost/C:\Database\Data\production;"/>
</code></pre>
<p>OR</p>
<pre><code>DriverManager.getConnection("jdbc:h2:tcp://loc... |
61,411,498 | Why does rand() repeat numbers far more often on Linux than Mac? | <p>I was implementing a hashmap in C as part of a project I'm working on and using random inserts to test it. I noticed that <code>rand()</code> on Linux seems to repeat numbers far more often than on Mac. <code>RAND_MAX</code> is <code>2147483647/0x7FFFFFFF</code> on both platforms. I've reduced it to this test progr... | 61,413,211 | 4 | 18 | null | 2020-04-24 15:08:24.23 UTC | 8 | 2020-05-19 23:51:25.127 UTC | 2020-05-19 23:51:25.127 UTC | null | 13,513,445 | null | 9,242,143 | null | 1 | 124 | c|linux|macos|random | 8,394 | <p>While at first it may sound like the macOS <code>rand()</code> is somehow better for not repeating any numbers, one should note that with this amount of numbers generated it is <a href="https://en.wikipedia.org/wiki/Birthday_problem" rel="noreferrer">expected</a> to see plenty of duplicates (in fact, around 790 mill... |
4,382,440 | C++ operator+ and operator+= overloading | <p>I'm implementing my own matrix class in c++ to help me develop my understanding of the language. I read somewhere that if you've got a working += operator, to use it in your + operator. So that's what I've got:</p>
<pre><code>template <class T>
const Matrix<T>& Matrix<T>::operator+(const Matri... | 4,382,461 | 3 | 9 | null | 2010-12-07 22:45:46.927 UTC | 2 | 2010-12-08 13:43:27.967 UTC | 2010-12-07 22:55:12.25 UTC | null | 364,015 | null | 364,015 | null | 1 | 10 | c++|operator-overloading | 66,027 | <p><code>operator+()</code> should not return a reference type as it is a new (locally declared) instance that holds the result of the operation.</p> |
4,573,526 | What could be causing a "Cannot access a disposed object" error in WCF? | <p>I am using the following code:</p>
<pre><code>private WSHttpBinding ws;
private EndpointAddress Srv_Login_EndPoint;
private ChannelFactory<Srv_Login.Srv_ILogin> Srv_LoginChannelFactory;
private Srv_Login.Srv_ILogin LoginService;
</code></pre>
<p>The Login is my constructor:</p>
<pre><code>public Login()
... | 4,573,571 | 3 | 0 | null | 2011-01-01 08:13:22.867 UTC | 3 | 2019-03-21 08:37:13.433 UTC | 2011-01-01 08:19:07.6 UTC | null | 366,904 | null | 648,723 | null | 1 | 20 | c#|wcf|objectdisposedexception | 95,899 | <p><code>Srv_LoginChannelFactory.Close()</code> is where it's being disposed. When you call close you are giving up whatever unmanaged resource you had. Attempting to do something other then inspecting its state or re-opening it results in the "Cannot access a disposed object" exception. </p>
<p>This is true whenever ... |
4,657,142 | How do I encourage emacs to follow the compilation buffer | <p>Occasionally when I'm compiling, I have to scroll up my <em>compilation</em> buffer to see the details of an error. At this point, emacs stops "following" my compilation buffer, i.e., scrolling to automatically display new output. </p>
<p>I'm using Aqumacs on OS X. Any idea how I can "reattach" or re encourage the ... | 4,657,387 | 3 | 0 | null | 2011-01-11 11:32:39.343 UTC | 4 | 2016-04-28 15:01:48.553 UTC | null | null | null | null | 571,178 | null | 1 | 39 | emacs | 7,667 | <p>I am not sure about aquamacs but for me (Emacs 23/Debian) I just go in the compilation window and place my cursor at the end of the window which will attach and follow (you can go to another window and it will still follow).</p> |
4,139,532 | Insert data into MySQL Database using javascript/AJAX | <p>I have made a very simple page using google maps API with several fields where users are going to put some data. It looks like following -</p>
<p><a href="http://aiworker2.usask.ca/marker_field_db.html" rel="nofollow">http://aiworker2.usask.ca/marker_field_db.html</a></p>
<p>What I want to do is store the data int... | 4,139,625 | 4 | 0 | null | 2010-11-09 22:49:54.547 UTC | null | 2012-10-11 06:28:33.66 UTC | null | null | null | null | 400,859 | null | 1 | 2 | javascript|jquery|ajax | 42,810 | <p>Your JavaScript runs on the client (in the browser). Your MySQL database exists on a server. </p>
<p>In short, the client-side JavaScript cannot establish a <strong>direct</strong> connection to MySQL. You need to make an AJAX request to the server which runs a script that interacts with MySQL. The script can b... |
14,596,499 | iTunes Search Lookup for all a Developers Apps | <p>Is there a way to use the iTunes Lookup to show all of the apps a Developer has? Eg:</p>
<pre><code>https://itunes.apple.com/lookup?devid=123
</code></pre>
<p>I also tried:</p>
<pre><code>http://itunes.apple.com/search?media=software&term=Developer Name
</code></pre>
<p>But that didn't work either. Ideas?</p... | 14,596,622 | 2 | 0 | null | 2013-01-30 04:04:37.11 UTC | 8 | 2015-11-25 18:00:37.983 UTC | 2015-11-25 18:00:37.983 UTC | null | 1,505,120 | null | 144,695 | null | 1 | 5 | ios|iphone|itunes | 3,017 | <p>To get the details of a developer,</p>
<pre><code>https://itunes.apple.com/lookup?id=514675684
</code></pre>
<p>To get all apps by that developer,</p>
<pre><code>https://itunes.apple.com/lookup?id=514675684&entity=software
</code></pre>
<p>To get the apps based on localization,</p>
<pre><code>https://itunes... |
4,500,198 | Suppress warning on unused exception variable in C# | <p>I have this code:</p>
<pre><code>try {
someMethod();
} catch (XYZException e) {
// do something without using e
}
</code></pre>
<p>Doing this will give me a warning about declaring but never using <code>e</code>, which I hate. However, I also don't want to use a <code>catch</code> clause without that varia... | 4,500,222 | 4 | 1 | null | 2010-12-21 14:17:13.96 UTC | 5 | 2020-01-23 10:21:00.6 UTC | 2010-12-21 14:45:31.82 UTC | null | 25,727 | null | 48,648 | null | 1 | 50 | c#|visual-studio-2008|exception-handling | 14,421 | <p>Define the catch clause without the exception variable as follows:</p>
<pre><code>try {
someMethod();
} catch (XYZException) {
// do something without using e
}
</code></pre> |
4,263,339 | Installing Android Market App on Emulator | <p>I want to install android Market App on Emulator, so that I can browse and install various free apps on emulators.</p>
<p>Can you guide me how to do this?</p> | 4,755,642 | 5 | 2 | null | 2010-11-24 04:01:17.03 UTC | 10 | 2020-12-28 01:50:07.847 UTC | 2020-12-28 01:50:07.847 UTC | null | 1,783,163 | null | 395,661 | null | 1 | 10 | android | 18,626 | <p>Android market application cannot be directly downloaded to a computer. But there may be some alternative sites that provide the .apk file of the application. Search in Google. If you got that .apk file downloaded in your system, you can easily install that by the following steps. I usually do like this.</p>
<ul>
<... |
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