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Python error “ImportError: No module named”
...at was affecting it was that I had another Python version installed by the root, so if someone is working with a local installation of python, be sure that the Python installation that is running the programs is the local Python. To check this, just do which python, and see if the executable is the ...
Generate MD5 hash string with T-SQL
...he magic that worked for me to give a perfect match between SQL Server and MySql
select LOWER(CONVERT(VARCHAR(32), HashBytes('MD5', CONVERT(varchar, EmailAddress)), 2)) from ...
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How to work with complex numbers in C?
...introduced in mathematics, from the need of calculating negative quadratic roots. Complex number concept was taken by a variety of engineering fields.
Today that complex numbers are widely used in advanced engineering domains such as physics, electronics, mechanics, astronomy, etc...
Real and imag...
How to dynamically change header based on AngularJS partial view?
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I personally prefer to set the title on the $rootScope instead of creating an additional controller.
– DDA
Jul 18 '14 at 20:40
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How do I parse XML in Python?
...ds on the API, which ElementTree defines.
First build an Element instance root from the XML, e.g. with the XML function, or by parsing a file with something like:
import xml.etree.ElementTree as ET
root = ET.parse('thefile.xml').getroot()
Or any of the many other ways shown at ElementTree. Then ...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...复杂。这样就给我们新接手项目的开发者带来很多困扰。如何快速查看一个复杂UI的界面层次和布局，最快的方法就是用到视图调试。
当项目运行到某一个界面（可以是模拟器或真机）时，开启视图调试，点击按钮如图：
这样...
Memcache Vs. Memcached [duplicate]
...derstanding that memcacheD has the ability work at the database layer with MySQL commands. That way, your code doesn't have to even call special caching methods. It's all completed in the database?
– user1003932
Oct 17 '12 at 0:42
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How to solve privileges issues when restore PostgreSQL Database
...sers but as stated in the comments this should not be used in production:
root@server:/var/log/postgresql# sudo -u postgres psql
psql (8.4.4)
Type "help" for help.
postgres=# \du
List of roles
Role name | Attributes | Member of
-----------------+-------------+-----------
&l...
Convert timestamp to readable date/time PHP
...nto a timestamp. You want to do the opposite, which is date. The typical mysql date format is date('Y-m-d H:i:s'); Check the manual page for what other letters represent.
If you have a timestamp that you want to use (apparently you do), it is the second argument of date().
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examining history of deleted file
...ice: In that case, the ^ notation comes handy: it refers to the repository root, so you can say svn cat ^/local/file@REV (depending on the distance between the repository root and URL).
– musiphil
Sep 11 '13 at 22:49
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