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How to create a multi-tenant database with shared table structures?
...perforce.com/media/ForcedotcomBookLibrary/Force.com_Multitenancy_WP_101508.pdf
They have 1 huge table w/ 500 string columns (Value0, Value1, ... Value500). Dates and Numbers are stored as strings in a format such that they can be converted to their native types at the database level. There are me...
General suggestions for debugging in R
... seen so far is:
http://www.biostat.jhsph.edu/%7Erpeng/docs/R-debug-tools.pdf
Anybody agree/disagree?
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Convert a PHP script into a stand-alone windows executable
...e elements found on modern sites: PHP scripts, JavaScript, HTML, CSS, XML, PDF files, Flash, Flash videos, Silverlight videos, databases, and images. Combining these elements with PHP Runtime and PHP Extensions, ExeOutput for PHP builds an EXE file that contains your complete application.
http://w...
How can I use threading in Python?
...in tasks like this! As was shown by Dave Beazley: dabeaz.com/python/NewGIL.pdf, 2 python threads on 2 CPUs carry out a CPU-heavy task 2 times SLOWER than 1 thread on 1 CPU and 1.5 times SLOWER than 2 threads on 1 CPU. This bizarre behavior is due to mis-coordination of efforts between OS and Python....
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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book.luaer.cn lua在线lua学习教程
lua参考手册Lua参考手册的中文翻译（云风翻译版本）
关于Lua的标库，你可以看看官方文档：string， table， math， io， os。
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Lua 简明教程
REST API Authentication
...orking Link from comments: https://www.ida.liu.se/~TDP024/labs/hmacarticle.pdf
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BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...，8KB RAM和其他功能强大的配套特征及外设。CC2540有两种版本：CC2540F128 / F256，分别为128和256 KB的闪存，结合TI的低功耗蓝牙协议栈，CC2540F128 / F256形成了市场上最灵活，性价比也最高的单模式蓝牙BLE解决方案。
CC2540 USB Dongle的实...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
...if you are a professional C# developer, you should already have C# spec in PDF format on your machine. Also, I don't mean to criticize you either. I was not used to reading spec earlier but I have started reading it thanks to Jon, Eric and Pavel who always quotes C# spec for any question. I found th...
Does order of where clauses matter in SQL?
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ANSI SQL Draft 2003 5WD-01-Framework-2003-09.pdf
6.3.3.3 Rule evaluation order
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Where the precedence is not determined by the Formats or by parentheses, effective evaluation of expressions is generally performed from left to right. However, it is implementation-de...
The purpose of Model View Projection Matrix
...s book is an excellent 3D game math resource. The same chapter as a sample PDF from the book's website.
– legends2k
Mar 21 '14 at 8:31
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