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Rename specific column(s) in pandas
....rename(columns={'gdp':'log(gdp)'}, inplace=True)
10000 loops, best of 3: 168 µs per loop
%%timeit
df.columns = ['log(gdp)' if x=='gdp' else x for x in df.columns]
10000 loops, best of 3: 58.5 µs per loop
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PHP equivalent of .NET/Java's toString()
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answered Aug 26 '08 at 14:01
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Why does SSL handshake give 'Could not generate DH keypair' exception?
...ptable size that Java accepts is 1024 bits. This is a known issue (see JDK-6521495).
The bug report that I linked to mentions a workaround using BouncyCastle's JCE implementation. Hopefully that should work for you.
UPDATE
This was reported as bug JDK-7044060 and fixed recently.
Note, however, ...
Why do you have to call .items() when iterating over a dictionary in Python?
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answered Sep 19 '10 at 6:13
Alex MartelliAlex Martelli
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Understanding typedefs for function pointers in C
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306
Consider the signal() function from the C standard:
extern void (*signal(int, void(*)(int)))(int...
TypeError: 'NoneType' object is not iterable in Python
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206
It means the value of data is None.
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Is Java “pass-by-reference” or “pass-by-value”?
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Java ...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...nutes with a memory search and a tracer ("I know my score for this game is 666, so let's find 666 in memory, then catch any operation that touches that value --- oh look, the high score encryption code!"). With the session key, the attacker doesn't even have to run the Flash code; she grabs a game l...
C# Float expression: strange behavior when casting the result float to int
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First of all, I assume that you know that 6.2f * 10 is not exactly 62 due to floating point rounding (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identical computations result in the wro...
What is the best method to merge two PHP objects?
... actually also works when objects have methods. (tested with PHP 5.3 and 5.6)
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