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Check if a number is int or float
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edited Dec 27 '10 at 20:00
answered Dec 27 '10 at 19:16
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Create table in SQLite only if it doesn't exist already
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answered Nov 4 '10 at 15:06
David WoleverDavid Wolever
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It is more efficient to use if-return-return or if-else-return?
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answered Feb 8 '12 at 10:25
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
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Difference between numpy.array shape (R, 1) and (R,)
...y.arange(12)
>>> a
array([ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
Then a consists of a data buffer, arranged something like this:
┌────┬────┬────┬────┬────┬────┬────┬────┬────┬───...
How does the Brainfuck Hello World actually work?
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+100
1. Basics
To understand Brainfuck you must imagine infinite array of cells initialized by 0 each.
...[0][0][0][0][0]...
When bra...
Can hash tables really be O(1)?
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edited May 5 '10 at 8:21
answered May 5 '10 at 7:51
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
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10
Yeah, I believe SQL Server's equivalent is called MERGE. In general, the concept is often referred to as "UPSERT".
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Should one use < or
... the loop.
– Jon Skeet
Apr 2 '09 at 10:22
5
Generic programming with STL iterators mandates use o...
Removing duplicates from a list of lists
...sort, dogroupby, donewk:
resk = f(k)
assert k == savek
print '%10s %s' % (f.__name__, sorted(resk))
Note the sanity check (performed when you just do python nodup.py) and the basic hoisting technique (make constant global names local to each function for speed) to put things on equal f...
How to find out if an installed Eclipse is 32 or 64 bit version?
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210
Hit Ctrl+Alt+Del to open the Windows Task manager and switch to the processes tab.
32-bit prog...