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Python matplotlib multiple bars
...ut using pandas and seaborn can save you a lot of time:
df = pd.DataFrame(zip(x*3, ["y"]*3+["z"]*3+["k"]*3, y+z+k), columns=["time", "kind", "data"])
plt.figure(figsize=(10, 6))
sns.barplot(x="time", hue="kind", y="data", data=df)
plt.show()
...
How can I produce an effect similar to the iOS 7 blur view?
...ds/download.action?path=wwdc_2013/wwdc_2013_sample_code/ios_uiimageeffects.zip
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Why does “pip install” inside Python raise a SyntaxError?
...n exe to run it with default python interpreter. By opening pip.exe with 7-zip you can see main.py importing pip, sys and re modules... (And there you'll find the answer how to run it within a python shell)--> pip is a regular python module. Don't forget windows wasn't first platform supporting p...
How do I parallelize a simple Python loop?
...cessing module instead:
pool = multiprocessing.Pool(4)
out1, out2, out3 = zip(*pool.map(calc_stuff, range(0, 10 * offset, offset)))
Note that this won't work in the interactive interpreter.
To avoid the usual FUD around the GIL: There wouldn't be any advantage to using threads for this example a...
Putty: Getting Server refused our key Error
...name
This fixed the problem.
Other Useful links:
Download OpenSSH-Win32.zip from: https://github.com/PowerShell/Win32-OpenSSH/releases
C# example of how to use the WinSCPnet.dll to make a connection to the OpenSSH server: https://winscp.net/eng/docs/library#csharp
Here is the code snippet to ma...
How can I backup a remote SQL Server database to a local drive?
...u can do is create a backup on the remote server machine, and have someone zip it up and send it to you.
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内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...n) 时间，不过在大部分情况下会除以一个大的因数，使其变成 O(1)）。
可以预先分配错误处理池（Error-handling pools），以便程序在常规内存被耗尽时仍可以恢复。
有非常易于使用的标准实现。
池式内存的缺点是：
内存池...
Immutability of Strings in Java
...ok at the source code for String.replace(char,char) (also available in src.zip in your JDK installation directory -- a pro tip is to look there whenever you wonder how something really works) you can see that what it does is the following:
If there is one or more occurrences of oldChar in the curre...
Windows 7 SDK installation failure
...nually install only the samples. Opening the ISO-file with, for example, 7-Zip from location Setup\WinSDKSamples_amd64 and running WinSDKSamples_amd64.msi did this for me.
Then you just use the normal setup file to REPAIR the installation and choose whatever components you wish.
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Finding current executable's path without /proc/self/exe
...SD, OpenBSD, BSD x.x, SunOS, Solaris, SYSV, HPUX, Concentrix, SCO, Darwin, AIX, OS X, Nextstep, etc. And with a little modification probably VMS, VM/CMS, DOS/Windows, ReactOS, OS/2, etc. If a program was launched directly from a GUI environment, it should have set argv[0] to an absolute path.
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