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How to compare two floating point numbers in Bash?
...are compared as numbers and fractional parts are intentionally compared as strings. Variables are split into integer and fractional parts using this method.
Won't compare floats with integers (without dot).
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How to check size of a file using Bash?
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[ -n file.txt ] doesn't check its size, it checks that the string file.txt is non-zero length, so it will always succeed.
If you want to say "size is non-zero", you need [ -s file.txt ].
To get a file's size, you can use wc -c to get the size (file length) in bytes:
file=file.txt
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...gram in PHP in a way that consumes memory faster than you realise. Copying strings, arrays and objects instead of using references will do it, though PHP 5 is supposed to do this more automatically than in PHP 4. But dealing with your data set in entirety over several steps is also wasteful compared...
How to reload a page using JavaScript
...g for because I needed to reload my page with a slight change in the query string.
– Bernard Hymmen
Jul 1 '15 at 0:01
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Correct Bash and shell script variable capitalization
...ing), and relatively few 'locals' (counters, iterators, partly-constructed strings, and temporaries)
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How do I clone a generic list in C#?
...uplicate the items in the list? Would this work? || var clonedList = ListOfStrings.ConvertAll(p => p);
– IbrarMumtaz
Aug 17 '14 at 15:42
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Is there a builtin identity function in python?
... thanks, I have a trivial lambda x: x identity function that works for one string parameter. @Marcin I wish I could do lambda *args: *args :-)
– rds
Jan 6 '12 at 0:01
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Using a .php file to generate a MySQL dump
...he PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself.
That external command will :
be a call to mysqldump, with the right parameters,
and redirect the output to a file.
For example :
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duplicate MIME type “text/html”?
...es to sub_filter_types as mentioned in nginx.org/en/docs/http/…: Enables string replacement in responses with the specified MIME types in addition to “text/html”.
– famousgarkin
Nov 9 '18 at 15:01
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Iterate through object properties
... One important piece of information is missing. property is a string here, should have been called propertyName. Otherwise can cause confusion for JS newbies like myself, i.e. what to do inside the if.
– Neolisk
Jul 20 '16 at 15:57
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