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How to call an external command?
...s until the subprocess exits (closes its end of the pipe). To read in real time (if there is no buffering issues) you could: for line in iter(p.stdout.readline, ''): print line,
– jfs
Nov 16 '12 at 14:12
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“Keep Me Logged In” - the best approach
...0,000,000,000
So 50 quadrillion guesses per second. That's fast! Right?
time_to_guess = possibilities / guesses_per_second
time_to_guess = 3.4e38 / 50,000,000,000,000,000
time_to_guess = 6,800,000,000,000,000,000,000
So 6.8 sextillion seconds...
Let's try to bring that down to more friendly n...
Git keeps asking me for my ssh key passphrase
...h-agent explicitly — yet git continues to ask me for my passphrase every time I try to do a pull or a push.
12 Answers
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How serious is this new ASP.NET security vulnerability and how can I workaround it?
...ways should anyways in release/production mode.
Additionally add a random time sleep in the error page to prevent the attacker from timing the responses for added attack information.
In web.config
<configuration>
<location allowOverride="false">
<system.web>
<customE...
Normalize data in pandas
...ation in that regular percentile of datum or z-score was not adequate. Sometimes I knew what the feasible max and min of the population were, and therefore wanted to define it other than my sample, or a different midpoint, or whatever! This can often be useful for rescaling and normalizing data for ...
How to split a string into an array of characters in Python?
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If you want to process your String one character at a time. you have various options.
uhello = u'Hello\u0020World'
Using List comprehension:
print([x for x in uhello])
Output:
['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd']
Using map:
print(list(m...
memcpy() vs memmove()
...lementations are more complicated (involving copying word-size blocks at a time rather than bytes).
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EC2 instance types's exact network performance?
... Caveat here: AWS seems to be increasing bandwidth slowly over time. These numbers may increase year over year (although I suspect the 1/2/10 GBit connections will not, since they are probably pegged to hardware).
– BobMcGee
Mar 25 '16 at 13:46
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Multiprocessing vs Threading Python [duplicate]
... have to be taken or two threads will write to the same memory at the same time. This is what the global interpreter lock is for.
Spawning processes is a bit slower than spawning threads.
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Stripping out non-numeric characters in string
...nsistently was in the 1/10 of a second range. Basically LINQ was 5 or more times faster on average.
– Chris Pratt
Mar 13 '18 at 13:29
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