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Convert char to int in C and C++
...vert the character '0' -> 0, '1' -> 1, etc, you can write
char a = '4';
int ia = a - '0';
/* check here if ia is bounded by 0 and 9 */
Explanation:
a - '0' is equivalent to ((int)a) - ((int)'0'), which means the ascii values of the characters are subtracted from each other. Since 0 comes di...
How to cherry-pick multiple commits
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answered Oct 14 '10 at 13:08
Eric DarchisEric Darchis
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How can I use “sizeof” in a preprocessor macro?
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edited Jan 4 '19 at 14:42
Henrik Juul Pedersen
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answered Aug 29 '13 at...
How to delete a cookie?
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answered Jan 27 '10 at 3:34
ACPACP
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Stop and Start a service via batch or cmd file?
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348
Use the SC (service control) command, it gives you a lot more options than just start & sto...
Quickly find whether a value is present in a C array?
...ical ISR that needs to iterate through an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case.
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Replace all 0 values to NA
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edited Aug 19 '18 at 20:43
answered Jun 14 '12 at 16:09
J...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...于libev，对libev不了解的参见 这
这篇主要分析OceanBase 0.4的mergeserver使用libeasy作为服务器端的模式，客户端自然就是MySQL客户端。OceanBase仅仅使用了libeasy的IO线程部分，工作线程是使用了我们自己的线程池。
主要说如下几个方面...
static constructors in C++? I need to initialize private static objects
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Daniel EarwickerDaniel Earwicker
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Getting file size in Python? [duplicate]
...ib\\genericpath.py').st_size
Or use Path(path).stat().st_size (Python 3.4+)
from pathlib import Path
Path('C:\\Python27\\Lib\\genericpath.py').stat().st_size
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