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Rounding float in Ruby
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When displaying, you can use (for example)
>> '%.2f' % 2.3465
=> "2.35"
If you want to store it rounded, you can use
>> (2.3465*100).round / 100.0
=> 2.35
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How do I have to configure the proxy settings so Eclipse can download new plugins?
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So the solution for me was to configure the manual settings for HTTP and HTTPS proxy, clear the settings for SOCKS, and restart Eclipse.
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follo...
Compile time string hashing
... 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
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};
template<size_t idx>
constexpr uint32_t crc32(const char * str)
{
return (crc32<idx-1>...
Python to print out status bar and percentage
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I found useful library tqdm (https://github.com/tqdm/tqdm/, previously: https://github.com/noamraph/tqdm). It automatically estimates time of completion and can be used as iterator.
Usage:
import tqdm
import time
for i in tqdm.tqdm(range(1000)):
t...
How to find out “The most popular repositories” on Github? [closed]
...the most popular repositories (Most forked or Most watched) at this page ( https://github.com/popular/watched ) of Github. like this:
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stdbool.h C99标准杂谈 - C/C++ - 清泛网 - 专注C/C++及内核技术
...th in the 9899:1990 edition of the ANSI C standard.
VS2012不支持：
https://social.msdn.microsoft.com/Forums/zh-CN/19818b42-3a4c-47bd-94d3-5dcde7f0df70/vs2012-c99
但是貌似自VS2013开始部分支持：
http://www.cnblogs.com/zenny-chen/p/3632071.html
http://tieba.baidu.com/p/27099291...
python MySQLdb模块安装 - 更多技术 - 清泛网 - 专注IT技能提升
...mysqldb
4.源码安装（这里就不介绍了，源码地址给出）
https://pypi.python.org/packages/a5/e9/51b544da85a36a68debe7a7091f068d802fc515a3a202652828c73453cad/MySQL-python-1.2.5.zip#md5=654f75b302db6ed8dc5a898c625e030c
ok~
python MySQLdb模块安装 - 更多技术 - 清泛网 - 专注IT技能提升
...mysqldb
4.源码安装（这里就不介绍了，源码地址给出）
https://pypi.python.org/packages/a5/e9/51b544da85a36a68debe7a7091f068d802fc515a3a202652828c73453cad/MySQL-python-1.2.5.zip#md5=654f75b302db6ed8dc5a898c625e030c
ok~
python MySQLdb模块安装 - 更多技术 - 清泛网移动版 - 专注IT技能提升
...mysqldb
4.源码安装（这里就不介绍了，源码地址给出）
https://pypi.python.org/packages/a5/e9/51b544da85a36a68debe7a7091f068d802fc515a3a202652828c73453cad/MySQL-python-1.2.5.zip#md5=654f75b302db6ed8dc5a898c625e030c
ok~
python MySQLdb模块安装 - 更多技术 - 清泛网移动版 - 专注IT技能提升
...mysqldb
4.源码安装（这里就不介绍了，源码地址给出）
https://pypi.python.org/packages/a5/e9/51b544da85a36a68debe7a7091f068d802fc515a3a202652828c73453cad/MySQL-python-1.2.5.zip#md5=654f75b302db6ed8dc5a898c625e030c
ok~