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How to detect incoming calls, in an Android device?
...e finished. Actually displaying it is your job, because I have no way of knowing how you want that done.
– Gabe Sechan
Feb 27 '14 at 19:00
3
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Pandas index column title or name
...
As of now (0.16) it does not work. Or rather - it does work, but as soon as DataFrame gets modifies, it erases index name.
– Piotr Migdal
Apr 11 '15 at 20:37
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What does a tilde do when it precedes an expression?
...l, it's generally too clever for its own good. :)
It's also less relevant now that JavaScript has Array.prototype.includes() and String.prototype.includes(). These return a boolean value. If your target platform(s) support it, you should prefer this for testing for the existence of a value in a str...
Executing multi-line statements in the one-line command-line?
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@RudolfOlah hope you know it by now but just for reference, you need to wrap the print statement for python3+ versions like: python -c "exec(\"import sys\nfor r in range(10): print('rob')\")"
– systrigger
Mar...
xUnit.net: Global setup + teardown?
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As far as I know, xUnit does not have a global initialization/teardown extension point. However, it is easy to create one. Just create a base test class that implements IDisposable and do your initialization in the constructor and your te...
to_string is not a member of std, says g++ (mingw)
...
This is a known bug under MinGW. Relevant Bugzilla. In the comments section you can get a patch to make it work with MinGW.
This issue has been fixed in MinGW-w64 distros higher than GCC 4.8.0 provided by the MinGW-w64 project. Despite...
Using numpy to build an array of all combinations of two arrays
... [3, 5, 6],
[3, 5, 7]])
numpy.meshgrid() use to be 2D only, now it is capable of ND. In this case, 3D:
In [115]:
%timeit np.array(np.meshgrid([1, 2, 3], [4, 5], [6, 7])).T.reshape(-1,3)
10000 loops, best of 3: 74.1 µs per loop
In [116]:
np.array(np.meshgrid([1, 2, 3], [4, 5], [6, ...
“Diff” an image using ImageMagick
...al image. Someone has written on an exact duplicate of the original image. Now, I need to compare the original to the written on image and extract just the writing in image format.
...
SQL update fields of one table from fields of another one
...ng the column names?
General solution with dynamic SQL
You don't need to know any column names except for some unique column(s) to join on (id in the example). Works reliably for any possible corner case I can think of.
This is specific to PostgreSQL. I am building dynamic code based on the the inf...
Is 'float a = 3.0;' a correct statement?
...ectively causes the assembly generated to differ since the conversion must now be done explicitly. The following code:
float func1(float x )
{
return x*0.1; // a double literal
}
float func2(float x)
{
return x*0.1f ; // a float literal
}
results in the following assembly:
func1(float):
...