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How to get an array of specific “key” in multidimensional array without looping
... must support php > 5.5, the following alternatives exist:
Since php 5.3, you can use array_map with an anonymous function, like this:
$ids = array_map(function ($ar) {return $ar['id'];}, $users);
Before(Technically php 4.0.6+), you must create an anonymous function with create_function inste...
How to format all Java files in an Eclipse project at one time?
...root and select Source -> Format. This should work for at least version 3.8.1. and above.
If the above does not work, you're probably using an older Eclipse-version. In such case you can select your Source Folders by clicking on them while holding down CTRL, then select Source -> Format from ...
Where is the .NET Framework 4.5 directory?
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.NET 4.5 is an in place replacement for 4.0 - you will find the assemblies in the 4.0 directory....
How to redirect output with subprocess in Python?
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UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.system(my_cmd)
If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess):
p = subprocess.Popen(my_cmd, shell=True)
os.waitpid(p.pid, 0)
OTOH,...
What's the best three-way merge tool? [closed]
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13 Answers
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How do I see the current encoding of a file in Sublime Text?
...popular result in google search, here is the way to do it for sublime text 3 build 3059+:
in user preferences, add the line:
"show_encoding": true
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PendingIntent does not send Intent extras
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3 Answers
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
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If you are using Spring 3, the easiest way is:
@RequestMapping(method = RequestMethod.GET)
public ModelAndView showResults(final HttpServletRequest request, Principal principal) {
final String currentUser = principal.getName();
}
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COALESCE Function in TSQL
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answered Nov 13 '12 at 18:40
Bill MeliusBill Melius
1,03377 silver badges88 bronze badges
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