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Highlight bash/shell code in markdown
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I find good description at https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet#code
Code blocks are part of the Markdown spec, but syntax highlighting isn't.
However, many renderers -- like Github's and Markdown Here -- support syntax highli...
Get a pixel from HTML Canvas?
...ixelXY(imgData, x, y) {
return getPixel(imgData, y*imgData.width+x);
}
PS: If you plan to mutate the data and draw them back on the canvas, you can use subarray
var
idt = imgData, // See previous code snippet
a = getPixel(idt, 188411), // Array(4) [0, 251, 0, 255]
b = idt.data.subarray(188...
MySQL: determine which database is selected?
...can use the following instead:
SELECT DATABASE();
That said, it is perhaps important to note, that while FROM DUAL does not actually do anything, it is valid MySQL syntax. From a strict perspective, including braces in a single line conditional in JavaScript also does not do anything, but it is s...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...种循环称为轮询（polling），由于所有的进程都共有一个最原始的父进程init，其pid为1，所以每隔1秒查询一次父进程状态，直至父进程终止。
以上由fork函数创建的进程是具有亲缘关系的进程，即父子进程或兄弟进程。其原理实...
界面布局组件 · App Inventor 2 中文网
...望组件一个一个地显示，请使用 垂直滚动条布局。
这个版本是可滚动的。
属性
水平对齐
一个数字，用于表示水平滚动条布局的内容如何水平对齐。选择分别是：
1 （左对齐）
2 （右对齐）
3 （水平居中）
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Is it possible to run one logrotate check manually?
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plus1 for actually providing a complete example. PS How can we determine what logrotate actually does to the files?
– personal_cloud
Oct 5 '17 at 17:17
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How do you return the column names of a table?
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@Losbear changed it PS: Not lazy, it's just code from 8 years ago. :) In old times (I used SQL Server starting at version 4.2), I used to write SQL queries this way. no performance issues.
– splattne
Oct 6 ...
开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...命令，如流行的本地投递代理procmail。在流行的linux发行版本RedHat中，我们就使用procmail作为最终的本地投递代理。
远程投递代理SMTP进程根据收件人地址查询一个SMTP服务器列表，按照顺序连接每一个SMTP服务器，根据性能对该表...
EProgrammerNotFound exception in Delphi?
...http://blog.barrkel.com/2008/11/reference-counted-pointers-revisited.html
PS: I don't think it exists in Delphi Prism, FreePascal or C# (but it should). <G>
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Dictionary text file [closed]
...wered Feb 6 '14 at 20:14
Sujith PSSujith PS
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