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How can I convert comma separated string into a List
...tList = csv.Split(',')
.Where(m => int.TryParse(m, out _))
.Select(m => int.Parse(m))
.ToList();
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How to check if mod_rewrite is enabled in php?
...ng mod_php, you can use apache_get_modules(). This will return an array of all enabled modules, so to check if mod_rewrite is enabled, you could simply do
in_array('mod_rewrite', apache_get_modules());
Unfortunately, you're most likely trying to do this with CGI, which makes it a little bit more ...
Postgres could not connect to server
...ew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
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Tell Ruby Program to Wait some amount of time
...e can be an integer or float.
Also, if you're writing this within a Rails app, or have included the ActiveSupport library in your project, you can construct longer intervals using the following convenience syntax:
sleep(4.minutes)
# or, even longer...
sleep(2.hours); sleep(3.days) # etc., etc.
# o...
SQL Server SELECT INTO @variable?
... In case if you aren't using the database type that the OP is using, not all support TOP 1 as Adrian mentioned. SQL Server / MS Access use TOP, MySQL uses LIMIT, and Oracle uses ROWNUM. See w3schools.com/sql/sql_top.asp for more information.
– Tyler
Jul 7 '17...
YYYY-MM-DD format date in shell script
...
$(date +%F_%H-%M-%S)
can be used to remove colons (:) in between
output
2018-06-20_09-55-58
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Print a file's last modified date in Bash
... to find how to print out the date of a file. I'm so far able to print out all the files in a directory, but I need to print out the dates with it.
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How do I create a class instance from a string name in ruby?
...ecord model this won't work for me but it will be useful in my "pure" ruby apps :)
– mhenrixon
May 7 '11 at 23:12
1
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How can I catch a ctrl-c event?
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For a Windows console app, you want to use SetConsoleCtrlHandler to handle CTRL+C and CTRL+BREAK.
See here for an example.
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String difference in Bash
...e is some difference between the two strings?
– alpha_989
Aug 10 '17 at 15:28
@alpha_989 , here's your answer: $ diff ...