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C# 4.0 optional out/ref arguments
...lify:
// new overload
public bool SomeMethod()
{
return SomeMethod(out _); // declare out as an inline discard variable
}
(Thanks @Oskar / @Reiner for pointing this out.)
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How to make a Java Generic method static?
...'s how to explicitly invoke a static generic method using a specific type (_class_.<_generictypeparams_>_methodname_):
String[] newStrings = ArrayUtils.<String>appendToArray(strings, "another string");
This would only happen if the compiler can't determine the generic type because, e....
How to remove the first and the last character of a string
... '\\$1'); //escape char parameter if needed for regex syntax.
var regex_1 = new RegExp("^" + char + "+", "g");
var regex_2 = new RegExp(char + "+$", "g");
return string.replace(regex_1, '').replace(regex_2, '');
}
Which will delete all / at the beginning and the end of the string. It h...
Query to list all stored procedures
...
As Mike stated, the best way is to use information_schema. As long as you're not in the master database, system stored procedures won't be returned.
SELECT *
FROM DatabaseName.INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_TYPE = 'PROCEDURE'
If for some reason you had non...
How can I find the version of the Fedora I use?
...something like:
$ source /etc/os-release
$ echo $ID
fedora
$ echo $VERSION_ID
17
$ echo $VERSION
17 (Beefy Miracle)
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Why are Subjects not recommended in .NET Reactive Extensions?
...c class MessageListener
{
private readonly IObservable<IMessage> _messages;
private readonly IScheduler _scheduler;
public MessageListener()
{
_scheduler = new EventLoopScheduler();
var messages = ListenToMessages()
.Subscri...
How do I keep Python print from adding newlines or spaces? [duplicate]
...
You can from __future__ import print_function in Python 2.6
– jfs
Nov 2 '08 at 18:10
14
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How to check Django version
... is as an executable command:
$ python -c "import django; print(django.get_version())"
2.0
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MySQL: Sort GROUP_CONCAT values
In short: Is there any way to sort the values in a GROUP_CONCAT statement?
2 Answers
2...
How to check if click event is already bound - JQuery
...this bug for details.) It is possible to access the same data with jQuery._data(elem, 'events'), an internal data structure, which is undocumented and therefore not 100% guaranteed to remain stable. This shouldn't, however, be a problem, and the relevant line of the plugin code above can be change...