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How can I compare two lists in python and return matches
...one, but by far the most obvious way to do it is:
>>> a = [1, 2, 3, 4, 5]
>>> b = [9, 8, 7, 6, 5]
>>> set(a) & set(b)
{5}
if order is significant you can do it with list comprehensions like this:
>>> [i for i, j in zip(a, b) if i == j]
[5]
(only works fo...
How to get the error message from the error code returned by GetLastError()?
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//Returns the last Win32 error, in string format. Returns an empty string if there is no error.
std::string GetLastErrorAsString()
{
//Get the error message, if any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
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Oracle Differences between NVL and Coalesce
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316
COALESCE is more modern function that is a part of ANSI-92 standard.
NVL is Oracle specific, ...
java: ArrayList - how can i check if an index exists?
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Naveed Ahmad
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answered Jan 25 '10 at 11:14
AmarghoshAmarghosh
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Can I get Memcached running on a Windows (x64) 64bit environment?
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
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edited May 1 '14 at 15:38
drvdijk
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answered Oc...
Leading zeros for Int in Swift
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703
Assuming you want a field length of 2 with leading zeros you'd do this:
import Foundation
for ...
Deleting all files from a folder using PHP?
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answered Jan 4 '11 at 13:43
FloernFloern
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What is the difference between char array and char pointer in C?
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edited Apr 8 '16 at 18:13
gsamaras
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answe...