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When are C++ macros beneficial? [closed]
...ample, when wrapping C++ code to be used with other interfaces (.NET, COM, Python, etc...), I need to catch different types of exceptions. Here's how I do that:
#define HANDLE_EXCEPTIONS \
catch (::mylib::exception& e) { \
throw gcnew MyDotNetLib::Exception(e); \
} \
catch (::std::exceptio...
JavaScript post request like a form submit
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Python, Django and probably Flask users will see this error: "Forbidden (403). CSRF verification failed. Request aborted.", if creating a form from zero. In this case, you must pass the csrf token this way: post('/contact/'...
django template display item value or empty string
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Matplotlib scatter plot with different text at each data point
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Python 3.6+:
coordinates = [('a',1,2), ('b',3,4), ('c',5,6)]
for x in coordinates: plt.annotate(x[0], (x[1], x[2]))
share
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Asynchronous shell exec in PHP
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this only execute a file, not work if using php/python/node etc
– david valentino
Jan 16 at 12:32
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How to filter Android logcat by application? [duplicate]
... Could you explain how to use pidcat? I'm a total newbie to the terminal, python and adb in general though
– Gee.E
Mar 5 '14 at 11:13
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configure: error: C compiler cannot create executables
...is located at the Locations tab. In my case I fixed the problem installing python by selecting Xcode 7.3.1
– Marco Pelegrini
Jun 30 '16 at 17:59
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What is Lazy Loading?
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Here's an example from some actual Python code I wrote:
class Item(Model):
...
@property
def total(self):
if not hasattr(self, "_total"):
self._total = self.quantity \
+ sum(bi.quantity for bi in self.borrowed...
What's a good (free) visual merge tool for Git? (on windows) [closed]
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I've also used Meld. It's written in python. There is an official installer for Windows that works well.
Install it and then set it as your default mergetool.
$ git config --global merge.tool "meld"
$ git config --global mergetool.meld.path "C:\Program Files (x8...
Add column with constant value to pandas dataframe [duplicate]
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