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django test app error - Got an error creating the test database: permission denied to create databas
...the test suite, it creates a new database, in your case test_finance. The postgres user with username django does not have permission to create a database, hence the error message.
When you run migrate or syncdb, Django does not try to create the finance database, so you don't get any errors.
You ...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...数的概念很自然的实现了优先级。
不过ZSET没有原生的POP操作，所以我们需要模拟实现，代码如下：
<?php
class RedisClient extends Redis
{
const POSITION_FIRST = 0;
const POSITION_LAST = -1;
public function zPop($zset)
{
return ...
Is there a simple way to convert C++ enum to string?
Suppose we have some named enums:
34 Answers
34
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How to get the primary IP address of the local machine on Linux and OS X? [closed]
... solution that would return me the primary (first) IP address of the localhost, other than 127.0.0.1
31 Answers
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How can I install MacVim on OS X?
I am using OS X 10.9.1 (Mavericks).
4 Answers
4
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Convert absolute path into relative path given a current directory using Bash
...
$ python -c "import os.path; print os.path.relpath('/foo/bar', '/foo/baz/foo')"
gives:
../../bar
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How can I find where Python is installed on Windows?
... your Python interpreter, type the following commands:
>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'
Also, you can club all these and use a single line command. Open cmd and enter following command
python -c "import os, sys; print(os.path...
Is there a max array length limit in C++?
...r that has native hardware support in the integer math unit. On every x86 OS I've used, size_t is 32-bits for a 32-bit OS and 64-bits for a 64-bit OS.
– Mr Fooz
Dec 18 '09 at 22:36
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...服务器当前无法再进行计数器数据的获取了，所以，本次操作系统资源的监控只得到了场景执行的前23分半钟的数据。这样对本次测试结果有一定的影响。
获得上述数据后，最新的测试结果记录表如表3所示。
测试项
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AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...示例
示例1：数据处理
示例2：文件操作
常见问题
Q: 异步过程中如何更新UI？
Q: 如何处理异步过程的错误？
Q: 异步过程会阻塞应用吗？
Q: 如何控制异步...