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How do you debug a regex? [closed]
...essions in Python. Since Python's implementation of regular expressions is based on the PCRE standard, Kodos should benefit developers in other programming languages that also adhere to the PCRE standard (Perl, PHP, etc...).
(...)
Runs on Linux, Unix, Windows, Mac.
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How to get a list of installed android applications and pick one to run
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To filter on sytem based apps :
private boolean isSystemPackage(ResolveInfo ri) {
return (ri.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
}
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jQuery object equality
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First order your object based on key using this function
function sortObject(o) {
return Object.keys(o).sort().reduce((r, k) => (r[k] = o[k], r), {});
}
Then, compare the stringified version of your object, using this funtion
function isE...
Completion block for popViewController
...9 SWIFT version - works like a charm (hadn't tested for earlier versions). Based on this answer
extension UINavigationController {
func pushViewController(viewController: UIViewController, animated: Bool, completion: () -> ()) {
pushViewController(viewController, animated: animat...
Bower: ENOGIT Git is not installed or not in the PATH
...adding git to PATH resolves it, even on built-in Command as well as NodeJS based Command.
– Zeeshan
Mar 27 '14 at 11:21
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How do I subtract minutes from a date in javascript?
...ces:
http://www.javascriptcookbook.com/article/Perform-date-manipulations-based-on-adding-or-subtracting-time/
https://stackoverflow.com/a/12798270/1873386
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Do you get charged for a 'stopped' instance on EC2? [closed]
...stopping an instance and terminating an instance.
If your instance is EBS-based, it can be stopped. It will remain in your account, but you will not be charged for it (you will continue to be charged for EBS storage associated with the instance and unused Elastic IP addresses). You can re-start the...
Bogus foreign key constraint fail
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Two possibilities:
There is a table within another schema ("database" in mysql terminology) which has a FK reference
The innodb internal data dictionary is out of sync with the mysql one.
You can see which table it was (one of them, anyway) by doing a "SHOW ENGINE INNODB STATUS" after t...
PostgreSQL error: Fatal: role “username” does not exist
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Use the operating system user postgres to create your database - as long as you haven't set up a database role with the necessary privileges that corresponds to your operating system user of the same name (h9uest in your case):
sudo -u postgres -i
As recommended here or here.
Th...
“used as value” in function call
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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