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What is the proper way to check if a string is empty in Perl?
...veral people, eq is the right operator here.
If you use warnings; in your script, you'll get warnings about this (and many other useful things); I'd recommend use strict; as well.
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How can I specify a branch/tag when adding a Git submodule?
...ectory (where .gitmodules is).
dtmland adds in the comments:
The foreach script will fail to checkout submodules that are not following a branch.
However, this command gives you both:
git submodule foreach -q --recursive 'branch="$(git config -f $toplevel/.gitmodules submodule.$name.branch)"; [ ...
JavaScript for detecting browser language preference [duplicate]
I have been trying to detect the browser language preference using JavaScript.
26 Answers
...
How can I get a user's media from Instagram without authenticating as a user?
... function(html) {
if (html) {
var regex = /_sharedData = ({.*);<\/script>/m,
json = JSON.parse(regex.exec(html)[1]),
edges = json.entry_data.ProfilePage[0].graphql.user.edge_owner_to_timeline_media.edges;
$.each(edges, function(n, edge) {
var node = ...
ASP.NET MVC framework 4.5 CSS bundle does not work on the hosting
...he solution is demonstrated for CSS bundle. However it also applies to JavaScript.
http://www.mvccentral.net/Story/Details/articles/kahanu/stylebundle-403-error-solved
In a nutshell, make sure that the virtual path [Script | Style]Bundle("~/content/[script | css]") doesn't match a folder in th...
Is there a string math evaluator in .NET?
...
You could add a reference to Microsoft Script Control Library (COM) and use code like this to evaluate an expression. (Also works for JScript.)
Dim sc As New MSScriptControl.ScriptControl()
sc.Language = "VBScript"
Dim expression As String = "1 + 2 * 7"
Dim resu...
How to execute shell command in Javascript
I want to write a JavaScript function which will execute the system shell commands ( ls for example) and return the value.
...
Datatables: Cannot read property 'mData' of undefined
...not work and we see "Cannot read property 'mData' of undefined" in the javascript console:
<thead>
<tr>
<th>Rep</th>
<th>Titel</th>
<th colspan="5">Download</th>
</tr>
</thead>
While this works:
<thead...
How can I autoplay a video using the new embed code style for Youtube?
...s to use the iframe player api.
<div id="ytplayer"></div>
<script>
// Load the IFrame Player API code asynchronously.
var tag = document.createElement('script');
tag.src = "https://www.youtube.com/player_api";
var firstScriptTag = document.getElementsByTagName('script')[0];
firstS...
Disable cross domain web security in Firefox
...ports cross domain security deactivation.
phantomjs.exe --web-security=no script.js
See this other comment of mine: Userscript to bypass same-origin policy for accessing nested iframes
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