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How to randomize (shuffle) a JavaScript array?
...fle algorithm is the Fisher-Yates (aka Knuth) Shuffle.
See https://github.com/coolaj86/knuth-shuffle
You can see a great visualization here (and the original post linked to this)
function shuffle(array) {
var currentIndex = array.length, temporaryValue, randomIndex;
// While there rem...
Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
... edited May 23 '17 at 12:26
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answered Aug 27 '12 at 17:42
Maxim MazinMaxim Ma...
Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
...age collector. It uses reference counting to manage memory. Thus, the most common source of memory leaks are cyclic references and global variables. If you use a framework, you'll have a lot of code to trawl through to find it, I'm afraid. The simplest instrument is to selectively place calls to mem...
Rollback to an old Git commit in a public repo
How can I go about rolling back to a specific commit in git ?
11 Answers
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Easiest way to convert a List to a Set in Java
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Vitalii FedorenkoVitalii Fedorenko
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Painless way to install a new version of R?
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Just for completeness, there are some ways to prevent you from having this problem. As Dirk said, save your packages in another directory on your computer.
install.packages("thepackage",lib="/path/to/directory/with/libraries")
You...
Remove all the elements that occur in one list from another
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Python has a language feature called List Comprehensions that is perfectly suited to making this sort of thing extremely easy. The following statement does exactly what you want and stores the result in l3:
l3 = [x for x in l1 if x not in l2]
l3 will contain [1, 6...
PHP - Check if two arrays are equal
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91
According to this page.
NOTE: The accepted answer works for associative arrays, but it will no...
How can I list all the deleted files in a Git repository?
...b5c1da73c432cb3fb61990bdcf6f64
delete mode 100644 blah/some_dir/file3 9c89b91d8df7c95c6043184154c476623414fcb7
You'll get all files deleted from some_dir (see the sed command) together with the commit number in which it happen. Any sed regex will do (I use this to find deleted file types, etc)
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How do we use runOnUiThread in Android?
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91
Just wrap it as a function, then call this function from your background thread.
public void d...