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Is a GUID unique 100% of the time?
Is a GUID unique 100% of the time?
22 Answers
22
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How to get the start time of a long-running Linux process?
Is it possible to get the start time of an old running process? It seems that ps will report the date (not the time) if it wasn't started today, and only the year if it wasn't started this year. Is the precision lost forever for old processes?
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JavaScript + Unicode regexes
...dors you're still on your own, though. Update: There is now a transpiler named regexpu that translates ES6 Unicode regular expressions into equivalent ES5. It can be used as part of your build process. Try it out online.
Situation for ES 5 and below
Even though JavaScript operates on Unicode strings...
Fragments within Fragments
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Nested fragments are not currently supported. Trying to put a fragment within the UI of another fragment will result in undefined and likely broken behavior.
Update: Nested fragments are supported as of Android 4.2 (and Android Sup...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
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I'm hoping someone can provide some concrete examples of best use cases for each.
Use Retrofit if you are communicating with a Web service. Use the peer library Picasso if you are downloading images. Use OkHTTP if you need to do HTTP op...
Creating a UICollectionView programmatically
I'm looking for a guide or tutorial that will show me how to set up a simple UICollectionView using only code.
12 Answers
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Git/GitHub can't push to master
..., which is indicated by your use of the URL beginning git://. As the error message says, if you want to push, you should use either the SSH URL git@github.com:my_user_name/my_repo.git or the "smart HTTP" protocol by using the https:// URL that GitHub shows you for your repository.
(Update: to my su...
How to recursively download a folder via FTP on Linux [closed]
...le for mirroring. It is currently equivalent to -r -N -l inf.
If you've some special characters in the credential details, you can specify the --user and --password arguments to get it to work. Example with custom login with specific characters:
wget -r --user="user@login" --password="Pa$$wo|^D" f...
How to output in CLI during execution of PHP Unit tests?
...hat works much better than the --verbose command line option:
class TestSomething extends PHPUnit_Framework_TestCase {
function testSomething() {
$myDebugVar = array(1, 2, 3);
fwrite(STDERR, print_r($myDebugVar, TRUE));
}
}
This lets you dump anything to your console at an...
What is your favorite C programming trick? [closed]
For example, I recently came across this in the linux kernel:
37 Answers
37
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