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warning about too many open figures
...yplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
6 Answer...
Writing a new line to file in PHP (line feed)
...ased operating systems use "\n". You should stick to one convention (I'd chose "\n") and open your file in binary mode (fopen should get "wb", not "w").
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How to stop Flask from initialising twice in Debug Mode? [duplicate]
..., you can check for the value of WERKZEUG_RUN_MAIN in the environment:
if os.environ.get("WERKZEUG_RUN_MAIN") == "true":
# The reloader has already run - do what you want to do here
However, the condition is a bit more convoluted when you want the behavior to happen any time except in the loa...
How many threads can a Java VM support?
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This depends on the CPU you're using, on the OS, on what other processes are doing, on what Java release you're using, and other factors. I've seen a Windows server have > 6500 Threads before bringing the machine down. Most of the threads were not doing anything, o...
Mac OS X - EnvironmentError: mysql_config not found
...-Python (or pip3 install mysqlclient if using python 3)
If you did all those steps in the same order, and you still got an error, read on to the end, if, however, you did not follow these exact steps try, following them from the very beginning.
So, you followed the steps, and you're still geting ...
how to create a file name with the current date & time in python?
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@rwbyrd That is odd, I just tried those exact 3 lines (copy-paste) with Python 3.4.1 and 2.7.6 and it works - though with Python 3 you need to use print(timestr). Did you copy this text from above? Perhaps a typo otherwise?
– Levon
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Find and replace Android studio
...king for is:
Ctrl+Shift+R on Windows and Linux/Ubuntu
Cmd+Shift+R on Mac OS X
ref: source
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Thread context switch Vs. process context switch
...any one tell me what is exactly done in both situations? What is the main cost each of them?
10 Answers
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What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
... have never figured out where exactly this one is used.
Oh, this is for iOS apps, can't speak for other OSes.
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MFC CSyncObject，CSingleLock，CMultiLock同步类 - C/C++ - 清泛网 - 专注C/C++及内核技术
...yncObject
1、纯虚类，作为具体同步类的基类，它只作为一个接口使用
2、有两个关键的成员函数Lock()、UnLock()，CSyncObject后面的四类都通过这两个统一接口进行同步操作。
1）不带参数的 UnLock() 是纯虚函数，在CSyncObject...