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How good is Java's UUID.randomUUID?
...between JVMs (meaning that any concrete statements made are valid only for one specific JVM), it does mandate that the output must pass a statistical random number generator test.
It's always possible for an implementation to contain subtle bugs that ruin all this (see OpenSSH key generation bug) b...
PHP function to make slug (URL string)
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Instead of a lengthy replace, try this one:
public static function slugify($text)
{
// replace non letter or digits by -
$text = preg_replace('~[^\pL\d]+~u', '-', $text);
// transliterate
$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
// remove ...
Multiple submit buttons in an HTML form
Let's say you create a wizard in an HTML form. One button goes back, and one goes forward. Since the back button appears first in the markup when you press Enter , it will use that button to submit the form.
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Python Create unix timestamp five minutes in the future
...'s comment enough. If you're trying to get a UNIX timestamp (and therefore one in UTC), use calendar.timegm.
– Bialecki
Feb 20 '13 at 20:58
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Cron job every three days
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How does one calculate when this will occur?
– Bruce Edge
Aug 4 '19 at 23:00
2
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Direct casting vs 'as' operator?
...e) This is helpful since a lot of the time you would rather throw a custom one exception. But it is very true that blind as calls are bad.
– Guvante
Sep 25 '08 at 10:48
5
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Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
...ects are causing me problems while others work fine. I decided to focus on one of the problematic ones.
I'm using Visual Studio 2013 on Windows 7. I think I'm running it as administrator, the window title says PROJECT NAME - Microsoft Visual Studio (Administrator) .
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What does Docker add to lxc-tools (the userspace LXC tools)?
...cally namespaces and control groups) which allow sandboxing processes from one another, and controlling their resource allocations.
On top of this low-level foundation of kernel features, Docker offers a high-level tool with several powerful functionalities:
Portable deployment across machines. D...
Squash the first two commits in Git? [duplicate]
...lt;commit> you can squash any number of commits together into a single one.
9 Answers
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How to convert NSNumber to NSString
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//An example of implementation :
// we set the score of one player to a value
[Game getCurrent].scorePlayer1 = [NSNumber numberWithInteger:1];
// We copy the value in a NSNumber
NSNumber *aNumber = [Game getCurrent].scorePlayer1;
// Conversion of the NSNumber aNumber to a String w...