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What's the difference between “groups” and “captures” in .NET regular expressions?
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You won't be the first who's fuzzy about it. Here's what the famous Jeffrey Friedl has to say a...
Compiling C++11 with g++
...don't know many things about flags. Can anyone help me? (I'm using Ubuntu 12.04.)
5 Answers
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What are the advantages of using nullptr?
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In that code, there doesn't seem to be an advantage. But consider the following overloaded funct...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
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You can use linear indexing to access each element.
for idx = 1:numel(array)
element = arra...
How to get random value out of an array?
I have an array called $ran = array(1,2,3,4);
20 Answers
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UILongPressGestureRecognizer gets called twice when pressing down
I am detecting if the user has pressed down for 2 seconds:
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How do you test running time of VBA code?
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Private Declare Function QueryPerformanceCounter Lib "kernel32" (lpPerformanceCount As LARGE_INTEGER) As Long
Private Declare Function QueryPerformanceFrequency Lib "kernel32" (lpFrequency As LARGE_INTEGER) As Long
Private m_CounterStart As LARGE_INTEGER
Private m_CounterEnd As LARGE_...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...postgresql.org/docs/9.3/static/plpgsql-control-structures.html, example 40-2 right at the bottom.
That's usually the easiest way. You can do some magic with rules, but it's likely going to be a lot messier. I'd recommend the wrap-in-function approach over that any day.
This works for single row, o...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
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There are two methods you can take for this. Unfortunately some work for some EB application ...
Set cURL to use local virtual hosts
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Actually, curl has an option explicitly for this: --resolve
Instead of curl -H 'Host: yada.com'...