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How to filter rows in pandas by regex
...ted Jun 4 '18 at 12:10
Jean-François Corbett
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answered Feb 20 '18 at 11:35
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Convert Unix timestamp into human readable date using MySQL
... no TO_UNIXTIME, but instead UNIX_TIMESTAMP.
– Olle Härstedt
May 22 at 12:45
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Combine two columns of text in pandas dataframe
...[252]: (200000, 2)
UPDATE: new timings using Pandas 0.19.0
Timing without CPU/GPU optimization (sorted from fastest to slowest):
In [107]: %timeit df['Year'].astype(str) + df['quarter']
10 loops, best of 3: 131 ms per loop
In [106]: %timeit df['Year'].map(str) + df['quarter']
10 loops, best of 3: ...
Why can't my program compile under Windows 7 in French? [closed]
...program in LOGO (not to be confused with LOGO of course).
pour exemple
répète 18 [av 5 td 10]
td 60
répète 18 [av 5 td 10]
fin
share
edited Apr 13 '17 at 12:46
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What's the difference between a word and byte?
... or even 12 bit machines.
The byte is the smallest addressable unit for a CPU. If you want to set/clear single bits, you first need to fetch the corresponding byte from memory, mess with the bits and then write the byte back to memory.
The word by contrast is biggest chunk of bits with which a pro...
Number.sign() in javascript
... answered Oct 2 '11 at 6:26
Frédéric HamidiFrédéric Hamidi
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Differences between C++ string == and compare()?
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Note to readers: Please read Frédéric Hamidi's answer for details on the matter because there are relevant differences. Although I'm glad Bo Persson shows that the two tests will definitely return the same value. !s.compare(t) and s == t will return the ...
Async/await vs BackgroundWorker
...on the thread only when the method is active. You can use Task.Run to move CPU-bound work to a background thread, but a background thread doesn't help with a process that's just waiting for results to become available.
The async-based approach to asynchronous programming is preferable to existing ap...
Easiest way to toggle 2 classes in jQuery
... answered Aug 9 '11 at 19:48
Frédéric HamidiFrédéric Hamidi
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Detect encoding and make everything UTF-8
...Âération Camerounaise de Football");
echo Encoding::fixUTF8("Fédération Camerounaise de Football");
will output:
Fédération Camerounaise de Football
Fédération Camerounaise de Football
Fédération Camerounaise de Football
Fédération Camerounaise de Football
I've transformed t...