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How to make a great R reproducible example
...n datasets can be seen with library(help = "datasets"). There is a short description to every dataset and more information can be obtained for example with ?mtcars where 'mtcars' is one of the datasets in the list. Other packages might contain additional datasets.
Making a vector is easy. Sometime...
Setting Curl's Timeout in PHP
... //timeout in seconds
also don't forget to enlarge time execution of php script self:
set_time_limit(0);// to infinity for example
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How to change the button text of ?
...d component library called Twitter Bootstrap
Sample usage:
Include:
<script type="text/javascript" src="js/bootstrap-filestyle.min.js"> </script>
Via JavaScript:
$(":file").filestyle();
Via data attributes:
<input type="file" class="filestyle" data-classButton="btn btn-primar...
Random color generator
...r() {
$("#colorpad").css("background-color", getRandomColor());
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="colorpad" style="width:300px;height:300px;background-color:#000">
</div>
<button onclick="setRandom...
Build and Version Numbering for Java Projects (ant, cvs, hudson)
...ith the release for displaying the build number at runtime.
The Ant build script puts the build number in the manifest file of jar/war files that are created during the build. Applies to all builds.
Post-build action for Release builds, done easily using a Hudson plug-in: tag SVN with the build nu...
Fast way of finding lines in one file that are not in another?
...gh you can use <(sort ...) to sort in place. Here's a simple awk (nawk) script (inspired by the scripts linked-to in Konsolebox's answer) which accepts arbitrarily ordered input files, and outputs the missing lines in the order they occur in file1.
# output lines in file1 that are not in file2
B...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
... |
`--> Python script --------'
| ^
v |
`--> awk script -----------'
...
Explanation of [].slice.call in javascript?
...
In JavaScript, methods of an object can be bound to another object at runtime. In short, javascript allows an object to "borrow" the method of another object:
object1 = {
name: 'Frank',
greet() {
alert(`Hello ${this...
Email validation using jQuery
...
You can use regular old javascript for that:
function isEmail(email) {
var regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;
return regex.test(email);
}
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Is it possible to use JS to open an HTML select to show its option list? [duplicate]
Is it possible to use JavaScript to open an HTML select to show its option list?
11 Answers
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