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How to avoid isset() and empty()
... the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
11 An...
How to make an OpenGL rendering context with transparent background?
...ve what I was looking for. One of the most interesting ones is AeroGL, and it shows snippets of code using a technique that was not mentioned so far, which is rendering the graphics to a device-independent bitmap (DIB).
To close this thread permanently, the source code below implements that techniq...
Call one constructor from another
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edited Aug 20 '19 at 18:13
AustinWBryan
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UITableViewCell, show delete button on swipe
How do I get the delete button to show when swiping on a UITableViewCell ? The event is never raised and the delete button never appears.
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How do I choose grid and block dimensions for CUDA kernels?
...bout how to determine the CUDA grid, block and thread sizes. This is an additional question to the one posted here .
3 Ans...
Why not inherit from List?
When planning out my programs, I often start with a chain of thought like so:
27 Answers
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Python - abs vs fabs
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math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs() also works with integers and complex numbers. Its return...
Test if lists share any items in python
I want to check if any of the items in one list are present in another list. I can do it simply with the code below, but I suspect there might be a library function to do this. If not, is there a more pythonic method of achieving the same result.
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Programmatically get the cache line size?
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On Linux (with a reasonably recent kernel), you can get this information out of /sys:
/sys/devices/system/cpu/cpu0/cache/
This directory has a subdirectory for each level of cache. Each of those directories contains the following fi...
Split a string by a delimiter in python
How to split this string where __ is the delimiter
3 Answers
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