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Seedable JavaScript random number generator
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One option is http://davidbau.com/seedrandom which is a seedable RC4-based Math.random() drop-in replacement with nice properties.
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What is the best way to test for an empty string with jquery-out-of-the-box?
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564
if (!a) {
// is emtpy
}
To ignore white space for strings:
if (!a.trim()) {
// is empty...
Find all records which have a count of an association greater than zero
...s an example
[10] pry(main)> Comment.distinct.pluck :article_id
=> [43, 34, 45, 55, 17, 19, 1, 3, 4, 18, 44, 5, 13, 22, 16, 6, 53]
[11] pry(main)> _.size
=> 17
[12] pry(main)> Article.joins(:comments).size
=> 45
[13] pry(main)> Article.joins(:comments).distinct.size
=> 17
[1...
How do I programmatically “restart” an Android app?
...vity = new Intent(context, StartActivity.class);
int mPendingIntentId = 123456;
PendingIntent mPendingIntent = PendingIntent.getActivity(context, mPendingIntentId, mStartActivity, PendingIntent.FLAG_CANCEL_CURRENT);
AlarmManager mgr = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);...
How to create an AVD for Android 4.0
Android 4.0 is now released. I have just updated my ADT plugin and downloaded the 4.0 SDK. But when I try to create an AVD for Android 4.0, Eclipse tells me 'Unable to find a 'userdata.img' file for ABI armeabi to copy into the AVD folder'.
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How to check for a valid Base64 encoded string
Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
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PHP DOMDocument errors/warnings on html5-tags
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answered May 22 '11 at 20:56
lonesomedaylonesomeday
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Get the client's IP address in socket.io
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edited Sep 25 '15 at 14:19
Balthazar
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
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edited Mar 14 '17 at 10:17
Dorian
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How to get the entire document HTML as a string?
...o MDN, outerHTML is supported in Firefox 11, Chrome 0.2, Internet Explorer 4.0, Opera 7, Safari 1.3, Android, Firefox Mobile 11, IE Mobile, Opera Mobile, and Safari Mobile. outerHTML is in the DOM Parsing and Serialization specification.
See quirksmode for browser compatibility for what will work f...