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Hidden features of Python [closed]
...
Chaining comparison operators:
>>> x = 5
>>> 1 < x < 10
True
>>> 10 < x < 20
False
>>> x < 10 < x*10 < 100
True
>>> 10 > x <= 9
True
>>> 5 == x ...
Expanding tuples into arguments
...ted May 27 at 13:31
Nicolas Gervais
13.3k77 gold badges3434 silver badges5656 bronze badges
answered Jan 3 '10 at 2:24
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Can you control how an SVG's stroke-width is drawn?
...the inset and offset of a shape. It's not perfect (need to keep checking against latest browser versions) but it does accurately provide a shapes outer width for now.
– Steve
Sep 2 '11 at 10:02
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...nished my check on INNODB from 10 checks I can tell that it's 26(2query) against 9.2(1 query) SELECT SQL_CALC_FOUND_ROWS tblA.*, tblB.id AS 'b_id', tblB.city AS 'b_city', tblC.id AS 'c_id', tblC.type AS 'c_type', tblD.id AS 'd_id', tblD.extype AS 'd_extype',...
List Git aliases
...to yield lines starting with alias in case some configurations somehow contains keyword alias: git config --list | grep -E '^alias'
– MasterMind
Feb 2 '18 at 10:19
add a comme...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：
说明：首先需要对OAuth概念有一定的了解，如不清楚可以参考我以前写的文章：OAuth那些事儿，其次需要注册成为各个微博平台（新浪，腾讯，搜狐，网易）的开发者，拿到属于你自己的CONSUMER_KEY和CONSUMER_SECRET（有时也被称作...
How can I get the external SD card path for Android 4.0+?
...unt")
.redirectErrorStream(true).start();
process.waitFor();
final InputStream is = process.getInputStream();
final byte[] buffer = new byte[1024];
while (is.read(buffer) != -1) {
s = s + new String(buffer);
}
is.close();
...
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...、Boost库的编译】
【Setp1 准备工作】：
（1）Boost 下载可以到官方网站下载：
http://www.boost.org/
（2）安装VS2008 IDE
【Setp2 编译Boost】
1.打开Visual Studio 2008 命令提示窗口
2.进入D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\boost_1_44_0\...
When to use thread pool in C#? [closed]
...onsiderations, I use thread pools for database access, physics/simulation, AI(games), and for scripted tasks ran on virtual machines that process lots of user defined tasks.
Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you ...
How to decide font color in white or black depending on background color?
...present a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up.
Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the corresponding text.
if (red*0.299 + green*0....