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How to sort an array in Bash
... options that sort offers is sufficient, a sort + read -a solution will be faster starting at around, say, 20 items, and increasingly and significantly faster the more elements you're dealing with. E.g., on my late-2012 iMac running OSX 10.11.1 with a Fusion Drive: 100-element array: ca. 0.03s secs....
Why don't self-closing script elements work?
...ers is one of the most advanced pieces of software ever written. Blazingly fast and can deal with most any input, producing consistent results.
– Stijn de Witt
Jan 9 '18 at 8:51
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Git branch diverged after rebase
... It might not have the desired effects. Make sure you merge your changes 'fast forward' before doing the rebase.
– mimoralea
Nov 23 '14 at 20:34
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Deep cloning objects
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the solutiojn is even faster than the BinaryFormatter solution, .NET Serialization Performance Comparison
– esskar
Mar 12 '14 at 10:25
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How does password salt help against a rainbow table attack?
...ble. I never have to compute a single hash. If the look-up is considerably faster than the hash function (which it probably is), this will considerably speed up cracking the file.
But if the password file is salted, then the rainbow table would have to contain "salt . password" pre-hashed. If the s...
How do I parse command line arguments in Bash?
...pport ending the line with a boolean flag ./script.sh --debug dev --uglify fast --verbose. Example: gist.github.com/hfossli/4368aa5a577742c3c9f9266ed214aa58
– hfossli
Apr 7 '18 at 20:58
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Best practice to call ConfigureAwait for all server-side code
...save you the re-entering of the request context, but this is normally very fast. ConfigureAwait(false) could be useful if you're trying to do a small amount of parallel processing of a request, but really TPL is a better fit for most of those scenarios.
However, with ASP.NET Web Api, if your req...
Parsing command-line arguments in C?
...y also comes with good documentation and includes some other useful stuff (fast IO, data structures, allocators, ...) but this can be used separately.
Example libUCW option parser (from the library docs)
#include <ucw/lib.h>
#include <ucw/opt.h>
int english;
int sugar;
int verbose;
ch...
Storing JSON in database vs. having a new column for each key
...d it, it probably originated elsewhere).
It allows limitless keys, and is faster to search than using a JSON blob, but not as fast as some of the NoSQL solutions.
uid | meta_key | meta_val
----------------------------------
1 name Frank
1 age 12
2 ...
What are the advantages of NumPy over regular Python lists?
...n the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit builds NumPy would get away wit...