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Fastest way to determine if an integer's square root is an integer
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Concurrent.futures vs Multiprocessing in Python 3
Python 3.2 introduced Concurrent Futures , which appear to be some advanced combination of the older threading and multiprocessing modules.
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Maven – Always download sources and javadocs
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ArrayList initialization equivalent to array initialization [duplicate]
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Arrays.asList can help here:
new ArrayList<Integer>(Arrays.asList(1,2,3,5,8,13,21));
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Validate uniqueness of multiple columns
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What is the difference between an int and a long in C++?
...me, but for example on Alpha systems a long was 64 bits whereas an int was 32 bits. This article covers the rules for the Intel C++ compiler on variable platforms. To summarize:
OS arch size
Windows IA-32 4 bytes
Windows Intel 64 4 bytes
Windows ...
How to modify list entries during for loop?
...assignment if you need to retain existing references to the list.
a = [1, 3, 5]
b = a
a[:] = [x + 2 for x in a]
print(b)
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How can I create a directly-executable cross-platform GUI app using Python?
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PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors
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edited Apr 14 '16 at 13:43
answered Jan 10 '15 at 23:33
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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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I would recommend using INSERT...ON DUPLICATE KEY UPDATE.
If you use INSERT IGNORE, then the ro...