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How to swap two variables in JavaScript
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+1. But the shortest version will be in ECMAScript 6: [a, b] = [b, a];.
– dfsq
Apr 24 '13 at 20:42
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What is the maximum length of a valid email address?
...al examples are in fact invalid addresses.
I've collated a couple hundred test addresses, which you can find at http://www.dominicsayers.com/isemail
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Jquery If radio button is checked
...hods, .is() does not create a new jQuery object. Instead, it allows you to test the contents of a jQuery object without modification." -- api.jquery.com/is
– Asaph
Jul 6 '14 at 5:10
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How do you add an in-app purchase to an iOS application?
... into App Store Connect, and click Users and Access then click the Sandbox Testers header, and then click the + symbol on the left where it says Testers. You can just put in random things for the first and last name, and the e-mail does not have to be real - you just have to be able to remember it. ...
Strings are objects in Java, so why don't we use 'new' to create them?
...n case anyone needs reminding, always use .equals() to compare Strings; == tests for physical equality).
Interning String literals is good because they are often used more than once. For example, consider the (contrived) code:
for (int i = 0; i < 10; i++) {
System.out.println("Next iteration...
Visual Studio opens the default browser instead of Internet Explorer
...ing to @Cory. You might try Default Browser Changer instead but I have not tested it. If you already have the WoVS plugin I would recommend backing it up so that you can install it later.
The following solution may no longer work:
WoVS Default Browser Switcher:
http://visualstudiogallery.msdn.mic...
How to force a html5 form validation without submitting it via jQuery
...ion() and all worked great. I keep all JS out of HTML. MyFunction can then test form.checkValidity() to continue.
– orad
Oct 16 '13 at 19:20
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Reading CSV file and storing values into an array
...ic void Main(string[] args)
{
using(var reader = new StreamReader(@"C:\test.csv"))
{
List<string> listA = new List<string>();
List<string> listB = new List<string>();
while (!reader.EndOfStream)
{
var line = reader.ReadLine(...
How to check if an option is selected?
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use
$("#mySelectBox option:selected");
to test if its a particular option myoption:
if($("#mySelectBox option:selected").text() == myoption){
//...
}
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Convert string to binary in python
...o format this in binary, the string.format() method will do the job.
a = "test"
print(' '.join(format(ord(x), 'b') for x in a))
(Thanks to Ashwini Chaudhary for posting that code snippet.)
While the above code works in Python 3, this matter gets more complicated if you're assuming any encoding o...