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Dynamically set local variable [duplicate]
...is foolishness in Python 3, and other implementations (Jython, IronPython, etc.) may not support it either.
This is a bad idea, though. How will you access the variables if you don't know their name? By locals()[xxx] probably. So why not just use your own dictionary rather than polluting locals() (...
【研究中】高德地图API研究及接入 - App应用开发 - 清泛IT社区,为创新赋能!
...0003,39.991957&key=<用户的key>&radius=1000&extensions=all
路径规划:https://lbs.amap.com/api/webservice/guide/api/direction
路径规划2.0:https://lbs.amap.com/api/webservice/guide/api/newroute
高德地图支持XYZ格式。XYZ格式是一种瓦片地图服务,...
vc/mfc *通配符 批量删除文件 - c++1y / stl - 清泛IT社区,为创新赋能!
...0'也一样,笔者亲测,删除有时成功有时失败。
改用C++的FindNextFile,支持 * 通配符查找文件,核心代码如下:
WIN32_FIND_DATA FindFileData;
char szCurPath[MAX_PATH + 1] = { 0 };
GetCurrentDirectory(MAX_PATH, szCurPath);
CString findFileName;
findFileName.Format(...
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...o perform it's own thread initialization (setting up thread local storage, etc.).
In practice, this means that CreateThread() should pretty much never be used directly by your code.
The MSDN documents for _beginthread()/_beginthreadex() have quite a bit of detail on the differences - one of the mo...
Learning Python from Ruby; Differences and Similarities
...you want to allocate some resource (open a file, obtain a database cursor, etc), perform some arbitrary operation on it, and then close it in a safe manner even if an exception occurs.
In Ruby, because blocks are so easy to use (see #9), you would typically code this pattern as a method that takes ...
nginx showing blank PHP pages
...
This (and, of course, /etc/init.d/nginx restart) also fixed it for me on Debian Testing after an nginx upgrade on 10 September 2014.
– severin
Sep 10 '14 at 15:46
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
This is how my connection is set:
Connection conn = DriverManager.getConnection(url + dbName + "?useUnicode=true&characterEncoding=utf-8", userName, password);
...
Python, remove all non-alphabet chars from string
...apostrophe might be okay in your input...)
regex = re.compile('[,\.!?]') #etc.
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Why is __init__() always called after __new__()?
...es/methods directly as MyClass.something, naming the class in super calls, etc, etc. Whether that's a problem or not depends on the class you're applying it to (and the rest of the program).
– Ben
Mar 21 '12 at 22:48
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Storing time-series data, relational or non?
... on varying metrics such as CPU utilisation, disk utilisation, temperature etc. at (probably) 5 minute intervals using SNMP. The ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
...