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Get number of digits with JavaScript
As the title of my post suggests, I would like to know how many digits var number has. For example: If number = 15; my function should return 2 . Currently, it looks like this:
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PHP - iterate on string characters
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@jon_darkstar I don't know your application, but do take note that each entry in an array has a significant overhead (4bytes IIRC). Skip that, it is 'quite' way more: nikic.github.com/2011/12/12/…
– Daan Timmer
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Laravel migration: unique key is too long, even if specified
...RT may not work.
sudo systemctl stop mysqld
sudo systemctl start mysqld
Now you have Laravel 5.x with UTF8 support.
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How to import a single table in to mysql database using command line
I had successfully imported a database using command line, but now my pain area is how to import a single table with its data to the existing database using command line.
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String formatting: % vs. .format vs. string literal
...format example is much cleaner looking.
Why would you not use it?
not knowing about it (me before reading this)
having to be compatible with Python 2.5
To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is...
How to sum a variable by group
... soon for example, since some data.table users have 250GB of RAM and GNU R now supports length > 2^31.
– Matt Dowle
Sep 9 '13 at 10:05
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Designing function f(f(n)) == -n
...n and odd numbers, I should've thought of that.
– Unknown
Apr 8 '09 at 22:25
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I think the most ...
How to get last key in an array?
...ings when the function parameter was passed by reference. The warning will now always be issued."
– Dominic Scheirlinck
Jan 18 '16 at 1:05
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PostgreSQL function for last inserted ID
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SELECT currval('persons_id_seq');
The name of the sequence must be known, it's really arbitrary; in this example we assume that the table persons has an id column created with the SERIAL pseudo-type. To avoid relying on this and to feel more clean, you can use instead pg_get_serial_sequence:
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Reading specific lines only
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linecache now appears to only work for python source files
– Paul H
Oct 11 '17 at 17:32
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