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Google Authenticator implementation in Python
...th systems have correct time set (meaning that they both generate the same Unix timestamp in any given moment in time).
Make sure to protect yourself from brute-force attack. If time-based password is used, then trying 1000000 values in less than 30 seconds gives 100% chance of guessing the password...
Difference between ProcessBuilder and Runtime.exec()
...isleading, because it states that cmd.exe or equivalent (i.e. /bin/bash on unix) would be run, which does not seem to be the case. Instead tokenization is done inside the Java environment.
– Stefan Paul Noack
Oct 17 '14 at 18:49
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How do I validate a date string format in python?
...ith dates and times a lot (in the sense of datetime objects, as opposed to unix timestamp floats), it's a good idea to look into the pytz module, and for storage/db, store everything in UTC.
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How do I capture the output into a variable from an external process in PowerShell?
... an external program, you must shell out to cmd.exe /c (Windows) or sh -c (Unix), save to a file there, then read that file in PowerShell. See this answer for more information.
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Simple argparse example wanted: 1 argument, 3 results
...h runtime option. You will see this, for example, in almost every standard Unix/Linux utility; do a man cp or man ls and you'll find that many options come in both flavors (e.g. -f, --force). There are probably widely varying reasons why people prefer one or the other, but in any case it's pretty st...
What is the global interpreter lock (GIL) in CPython?
... to fully leverage multiple processors on a given machine. It runs on both Unix and Windows.
And the docs for concurrent.futures.ProcessPoolExecutor explain that it uses multiprocessing as a backend:
The ProcessPoolExecutor class is an Executor subclass that uses a pool of processes to execute cal...
Is a successor for TeX/LaTeX in sight? [closed]
... documentation within AT&T during the 1970s (actually a spinoff of the UNIX R&D work), it's still quite widely used for this today. For quite a long time most if not all O'Reilly books were typeset using it.
DocBook. This is an XML tag
based format for structure
documentation, and tends to ...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...协调地址和端口。然后可以双向传输数据。
注意：
在 UNIX 系统上，系统保留 1023（含）以下的端口号。这些限制已保留用于 LINUX，因此也用于 Android。使用这些端口号需要 root 授权。这同样适用于 Apple 的 iOS。
因此，此扩展无...
Use 'import module' or 'from module import'?
...dule names to have global variables???
– WinEunuuchs2Unix
Dec 17 '18 at 2:15
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How to sort an array in Bash
... respect your answer has most promise.
– WinEunuuchs2Unix
Apr 23 '17 at 22:54
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