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What does %~dp0 mean, and how does it work?
... - expands %I to a file extension only
%~sI - expanded path contains short names only
%~aI - expands %I to file attributes of file
%~tI - expands %I to date/time of file
%~zI - expands %I to size of file
%~$PATH:I - searches the directories listed in the PATH
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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 ...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...Z全面的数据及数据解析）
下载链接：
http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble
4. MTU 请求（REQEUST）
完整数据（以下关注蓝色标注部分）
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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...
快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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打开：https://github.com/danro/LESS-sublime 将less文件的压缩包下载下来。将文件解压之后，放置于sublime的data中的packages文件夹中。
html文件能够解析less文件的设置
从http://lesscss.org下载less.js，并将less.js文件引入html页面中。
注意：
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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();
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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 ...