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Multiple columns index when using the declarative ORM extension of sqlalchemy
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.tgz
4、分别在每台机器建立mongos 、config 、 shard1 、shard2、shard3 五个目录。...
How do you test running time of VBA code?
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a = a + 1
Next
MsgBox GetTickCount - t, , "Milliseconds"
End Sub
after http://www.pcreview.co.uk/forums/grab-time-milliseconds-included-vba-t994765.html (as timeGetTime in winmm.dll was not working for me and QueryPerformanceCounter was too complicated for the task needed)
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What is the use of having destructor as private?
...ctor, i.e., you want the object to only be destroyed through other means.
http://blogs.msdn.com/larryosterman/archive/2005/07/01/434684.aspx gives an example, where the object is reference counted and should only be destroyed by the object itself when count goes to zero.
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getenv() vs. $_ENV in PHP
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sqlalchemy: how to join several tables by one query?
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Is there a Python caching library?
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Joblib https://joblib.readthedocs.io supports caching functions in the Memoize pattern. Mostly, the idea is to cache computationally expensive functions.
>>> from joblib import Memory
>>> mem = Memory(cachedir='/t...
How to list branches that contain a given commit?
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How to get HTTP Response Code using Selenium WebDriver
I have written tests with Selenium2/WebDriver and want to test if HTTP Request returns an HTTP 403 Forbidden.
9 Answers
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Integrating MySQL with Python in Windows
...e one person had successfully built mysql for python2.6, sharing the link, http://www.technicalbard.com/files/MySQL-python-1.2.2.win32-py2.6.exe
...you might see a warning while import MySQLdb which is fine and that won’t hurt anything,
C:\Python26\lib\site-packages\MySQLdb__init__.py:34: Deprec...