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Django DB Settings 'Improperly Configured' Error

...--settings=mysite.settings (or whatever settings module you use) Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings (This is removed in Django 1.6) Use setup_environ in the python interpreter: from django.core.management import setup_environ from mysite import settings s...
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An error occurred while installing pg (0.17.1), and Bundler cannot continue

I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get: 16 Answers ...
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What is the best algorithm for overriding GetHashCode?

...hroughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality. ...
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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...ngodb.org/downloads 实验环境使用的Mongodb版本为mongodb-linux-x86_64-2.6.0 由三台虚拟机搭建,配置为单核,1G内存。实验环境如下: MongoDB的副本集不同于以往的主从模式。 在集群Master故障的时候,副本集可以自动投票,选举出新的Maste...
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Mockito + PowerMock LinkageError while mocking system class

...nd any way to do this. We have hundreds of tests ... i can not adjust them all. – Frederic Leitenberger Jul 11 '17 at 18:01 1 ...
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How to run a python script from IDLE interactive shell?

...s.call(['python', 'helloworld.py']) # Just run the program subprocess.check_output(['python', 'helloworld.py']) # Also gets you the stdout With arguments: subprocess.call(['python', 'helloworld.py', 'arg']) Read the docs for details :-) Tested with this basic helloworld.py: import sys if le...
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What's Alternative to Singleton

...singleton in the unit testing because we can test different configurations all at once. 13 Answers ...
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Bash tool to get nth line from a file

...he trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file. ...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

... ) In the documentation it says you can draw only an arrow with an empty string as the first argument. From the OP's example: %matplotlib notebook import numpy as np import matplotlib.pyplot as plt np.random.seed(5) x = np.arange(1, 101) y = 20 + 3 * x + np.random.normal(0, 60, 100) plt.plot(x,...
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Java Error opening registry key

...er removing the "java" executables from my system32 folder, I had to reinstall the JRE. After that, my problem was solved. Thanks for the starting point. – dangowans Dec 24 '13 at 18:31 ...