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Integer division with remainder in JavaScript?
... // -33, 0.5078 millisec
(a-(a%b))/b // -33, 0.6649 millisec
The above is based on 10 million trials for each.
Conclusion: Use (a/b>>0) (or (~~(a/b)) or (a/b|0)) to achieve about 20% gain in efficiency. Also keep in mind that they are all inconsistent with Math.fl...
How do I check if a number evaluates to infinity?
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Because IEEE 64bit floats have 53 significant binary digits (see en.wikipedia.org/wiki/IEEE_754 ), so n+1 cannot be represented and is subject to rounding. Well, even integers are affected by rounding errors. Btw, I don't think that your ...
How do I daemonize an arbitrary script in unix?
...stopped independently of the main service.
Piping the log files through tai64nlocal will translate the timestamps into a human-readable format. (TAI64N is a 64-bit atomic timestamp with a nanosecond count.)
Controlling services
Use svstat to get the status of a service. Note that the logging ser...
How to pick a new color for each plotted line within a figure in matplotlib?
...red Apr 12 '19 at 13:08
nyanpasu64nyanpasu64
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...for a conforming implementation of the CLI/C# and is documented in ECMA TR/84. (In fact, FieldInfo itself is part of the Reflection library and that's not included in CLI Kernel profile either).
As soon as you use a method outside BCL, you are giving up a bit of portability (and this is becoming inc...
How to get device make and model on iOS?
...hould be:
// Output on a simulator
@"i386" on 32-bit Simulator
@"x86_64" on 64-bit Simulator
// Output on an iPhone
@"iPhone1,1" on iPhone
@"iPhone1,2" on iPhone 3G
@"iPhone2,1" on iPhone 3GS
@"iPhone3,1" on iPhone 4 (GSM)
@"iPhone3,2" on iPhone 4 (GSM Rev A)
@"iPhone3,3" on iPhone 4 (CDMA...
List of ANSI color escape sequences
...ly ever supported ║
║ 64 ║ ideogram stress marking ║ hardly ever supported ║
║ 65 ║ ideogram attributes off ║ reset the effects of all of 60-64 ...
Import file size limit in PHPMyAdmin
...pen this file
edit these parameters:
memory_limit =128M
post_max_size = 64M
upload_max_filesize = 64M
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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
... 255 (2 8−1) bytes
TEXT | 65,535 (216−1) bytes = 64 KiB
MEDIUMTEXT | 16,777,215 (224−1) bytes = 16 MiB
LONGTEXT | 4,294,967,295 (232−1) bytes = 4 GiB
Note that the number of characters that can be stored in your column will depend on the character encoding.
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pycharm running way slow
...azyCoder
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