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Java String to SHA1
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return result;
}
BTW, you may get more compact representation using Base64. Apache Commons Codec API 1.4, has this nice utility to take away all the pain. refer here
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What is the “FS”/“GS” register intended for?
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The appendix analogy is really bad based on outdated science; it's related to the immune system, so definitely not "vestigial". It detracts from the actual post. Other than that, it's a good response.
– code_dredd
Dec 6 '...
Why does an NSInteger variable have to be cast to long when used as a format argument?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Kill child process when parent process is killed
...nable to run this in 64bit mode. Here I posted a working example, which is based on this.
– Alexander Yezutov
Feb 6 '12 at 17:55
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What is the LD_PRELOAD trick?
...load a library that does something completely radically different from the base library as though to emulate some other system.
– Joshua
Nov 26 '13 at 15:35
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多媒体组件 · App Inventor 2 中文网
... Apple iMovie，可以帮助你减小视频的大小，或将视频重新编码为更紧凑的格式。
你还可以将媒体源设置为指向流式视频的 URL，但该 URL 必须指向视频文件本身，而不是播放视频的程序。
属性
全屏模式
设置视频是否应全屏...
Using vagrant to run virtual machines with desktop environment
My company's development environment is based on virtual machines, running on VirtualBox. We would like to move one step further, and use the capabilities of Vagrant to have the description of the machine in a text file and then be able to "raise" that machine based on that text file. Combined to pu...
Pandas read_csv low_memory and dtype options
...: int, "username": "string"})
ValueError: invalid literal for long() with base 10: 'foobar'
dtypes are typically a numpy thing, read more about them here:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.dtype.html
What dtypes exists?
We have access to numpy dtypes: float, int, bool, time...
Simple insecure two-way data “obfuscation”?
...eep honest people honest, but something a little stronger than ROT13 or Base64 .
17 Answers
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Keep only date part when using pandas.to_datetime
...stored as an array of pointers and is inefficient relative to a pure NumPy-based series.
Since your concern is format when writing to CSV, just use the date_format parameter of to_csv. For example:
df.to_csv(filename, date_format='%Y-%m-%d')
See Python's strftime directives for formatting conven...