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Node.js - getting current filename
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herveherve
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How to print a query string with parameter values when using Hibernate
...3
Abdull
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answered Nov 11 '09 at 6:40
Pascal Thiv...
How to find out what type of a Mat object is with Mat::type() in OpenCV
...32S | 4 | 12 | 20 | 28 | 36 | 44 | 52 | 60 |
| CV_32F | 5 | 13 | 21 | 29 | 37 | 45 | 53 | 61 |
| CV_64F | 6 | 14 | 22 | 30 | 38 | 46 | 54 | 62 |
+--------+----+----+----+----+------+------+------+------+
So for example, if type = 30 then OpenCV data type is CV_64FC4. If...
fork() branches more than expected?
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answered Jun 21 '12 at 6:58
wallykwallyk
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Efficient way to apply multiple filters to pandas DataFrame or Series
...ore efficient for large frames as it uses numexpr behind the scenes):
In [21]: df.query('col1 <= 1 & 1 <= col1')
Out[21]:
col1 col2
1 1 11
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Find the nth occurrence of substring in a string
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Why aren't python nested functions called closures?
...ibility with Python 3.
– Pierre
Apr 21 '14 at 10:27
Closure refers to the record that stores the closed-over variables...
Why does sys.exit() not exit when called inside a thread in Python?
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Helmut GrohneHelmut Grohne
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Approximate cost to access various caches and main memory?
...- 3.0 ns )
local L3 CACHE hit, line unshared ~40 cycles ( 21.4 - 12.0 ns )
local L3 CACHE hit, shared line in another core ~65 cycles ( 34.8 - 19.5 ns )
local L3 CACHE hit, modified in another core ~75 cycles ( 40.2 - 22.5 ns )
remote L3 CACHE (Ref: Fig.1 [Pg. 5]) ~10...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...In other words, True is reassignable:
Python 2.7 (r27:82508, Jul 3 2010, 21:12:11)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> True = 4
>>> True
4
In Python 3.x it truly becomes a keyword and a real...