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How do you run multiple programs in parallel from a bash script?
...d command
3 # output from 3rd command
real 0m3.012s
user 0m0.011s
sys 0m0.008s
The timing shows that the commands were run in parallel (the last command was launched only after the first of the original 3 terminated, but executed very quickly).
The xargs command itself won't return until a...
Detect URLs in text with JavaScript
...all yet comprehensive JavaScript plugin for finding URLs in plain-text and converting them to HTML links. It works with all valid URLs and email addresses.
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How to convert decimal to hexadecimal in JavaScript
How do you convert decimal values to their hexadecimal equivalent in JavaScript?
27 Answers
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
... // gives initial guess y0
x = *(float*)&i; // convert bits back to float
x = x * (1.5f - xhalf * x * x); // Newton step, repeating increases accuracy
return x;
}
In spite of this, his initial attempt a mathematically 'superior' version of id's sqrt (which came ...
How to convert string to boolean php
How can I convert string to boolean ?
20 Answers
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Is it possible only to declare a variable without assigning any value in Python?
...than any numbers I compared it against. I ended up just initializing it at sys.maxint
– TJ Biddle
May 29 '12 at 17:41
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Why does “_” (underscore) match “-” (hyphen)?
...ext. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it strange though that you are not in a pattern context inside rep...
Filtering Pandas DataFrames on dates
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pandas will convert any "datetime" string into a datetime object.. so it's correct
– janscas
Mar 16 '18 at 10:04
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All combinations of a list of lists
...d by itertools and a reverse version (e.g. create a list, reverse() it and convert back to tuple). Best ask a new question.
– Joachim Wagner
Feb 26 at 11:06
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Get current directory name (without full path) in a Bash script
...uys like me. Maybe there is one out there? It could have a crotchity old sys admin saying stuff like, "back in my day we only sh and csh and if you wanted the backspace key to work you had to read the whole stty man page, and we liked it!"
– Red Cricket
Oct 3...