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Unresolved external symbol on static class members
... 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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How much does it cost to develop an iPhone application? [closed]
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64
@Philippe I'm also one of the owners of the business that built the product. Who would have a better view on accurate project costs? And th...
Does ARC support dispatch queues?
...(like [queue retain] and [queue release]).
For compatibility with old codebases, you can prevent the compiler from seeing your queue as an Objective-C object by defining OS_OBJECT_USE_OBJC to 0. For example, you can put this in your .pch file (before any #import statements):
#define OS_OBJECT_USE...
How to know if an object has an attribute in Python
...Exists"
The disadvantage here is that attribute errors in the properties __get__ code are also caught.
Otherwise, do-
if hasattr(someObject, 'someProp'):
#Access someProp/ set someProp
pass
Docs:http://docs.python.org/library/functions.html
Warning:
The reason for my recommendation is ...
Bin size in Matplotlib (Histogram)
...width in this example could be found by: (data.max() - data.min()) / number_of_bins_you_want. The + binwidth could be changed to just 1 to make this a more easily understood example.
– Jarad
Jan 22 '18 at 17:31
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How to get the request parameters in Symfony 2?
...ndation\Request;
public function updateAction(Request $request)
{
// $_GET parameters
$request->query->get('name');
// $_POST parameters
$request->request->get('name');
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How to set environment variables in Python?
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@darth_coder It's true for all processes on Unix-like operating systems. I don't know about the other operating system. Note that shell variables are not stored in the environment unless you export them.
– S...
Is there a way to tell git to only include certain files instead of ignoring certain files?
... 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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Collapse sequences of white space into a single character and trim string
... d*mn line endings and auto-format... it doesn't deal with "hello______foo" (assume _ -> " " because formatting comments is hard)
– Brian Postow
Sep 15 '09 at 14:11
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How to handle multiple heterogeneous inputs with Logstash?
... 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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