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How to get the source directory of a Bash script from within the script itself?
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This accepted answer is not ok, it doesn't work with symlinks and is overly complex. dirname $(readlink -f $0) is the right command. See gist.github.com/tvlooy/cbfbdb111a4ebad8b93e for a testcase
– tvlooy
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How can I clear the SQL Server query cache?
...eck out it.
http://www.mssqltips.com/tip.asp?tip=1360
CHECKPOINT;
GO
DBCC DROPCLEANBUFFERS;
GO
From the linked article:
If all of the performance testing is conducted in SQL Server the best approach may be to issue a CHECKPOINT and then issue the DBCC DROPCLEANBUFFERS command. Although t...
AES Encryption for an NSString on the iPhone
...seem to work pretty decently... aside from the extra comma in each call to CCCrypt() which caused compile errors.
A later comment on that post includes this adapted code, which works for me, and seems a bit more straightforward. If you include their code for the NSData category, you can write somet...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...ing numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account
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Why is XOR the default way to combine hashes?
...g the same calculation using PI instead of the Golden Ratio produces: 0x517cc1b727220a95 which is odd, instead of even, thus probably "more prime" than the other constant. I used: std::cout << std::hex << (unsigned long long) ((1.0L/3.14159265358979323846264338327950288419716939937510L)...
Benefits of inline functions in C++?
... As I suspected inlining makes no difference to the above. Compiled with gcc 4.01. Version 1 forced to use inlining: 48.318u 1.042s 5:51.39 99.4% 0+0k 0+0io 0pf+0w Version 2 forced no inlining 348.311u 1.019s 5:52.31 99.1% 0+0k 0+0io 0pf+0w This is a good example were common knowledge is wrong.
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ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
MVC演化史 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...发工作，为了适应更复杂的逻辑，开发了Classic MVC的改进版，也就是Application Model MVC，在原有架构基础上引入了Application Model，如下图所示：
Application Model MVC
图解：Application Model在Model和View、Controller之间扮演着一个中继者的...
Emulating a do-while loop in Bash
... : is a built in, equivalent to the built in true. They both "do nothing successfully".
– loxaxs
Dec 26 '17 at 3:40
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