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In Java, what is the best way to determine the size of an object?
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470
You can use the java.lang.instrument package
Compile and put this class in a JAR:
import jav...
How to split a comma-separated value to columns
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edited Mar 1 '19 at 0:47
answered Feb 28 '19 at 13:34
B...
How to write a large buffer into a binary file in C++, fast?
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240
This did the job (in the year 2012):
#include <stdio.h>
const unsigned long long size = ...
How to Calculate Execution Time of a Code Snippet in C++
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You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds.
It works on both windows and linux; it is thread safe.
Note that the gra...
Iterate a list as pair (current, next) in Python
...ators:
def threes(iterator):
"s -> (s0,s1,s2), (s1,s2,s3), (s2, s3,4), ..."
a, b, c = itertools.tee(iterator, 3)
next(b, None)
next(c, None)
next(c, None)
return zip(a, b, c)
share
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 0.0.0.0/0
ACCEPT udp -- 0.0.0.0/0 224.0.0.251 udp dpt:5353
ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:631
ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
ACCEPT...
Any tools to generate an XSD schema from an XML instance document? [closed]
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Sachin Joseph
14.4k33 gold badges3232 silver badges5353 bronze badges
answered Sep 16 '08 at 17:41
DanimalDanimal
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How to export data as CSV format from SQL Server using sqlcmd?
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141
You can run something like this:
sqlcmd -S MyServer -d myDB -E -Q "select col1, col2, col3 fro...
How to bind function arguments without binding this?
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answered Sep 7 '13 at 16:42
Ian NartowiczIan Nartowicz
33133 silver badges22 bronze badges
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ImportError: No module named apiclient.discovery
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245
You should be able to get these dependencies with this simple install:
sudo pip install --upgr...