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How to compare times in Python?
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132
You can't compare a specific point in time (such as "right now") against an unfixed, recurring...
Split output of command by columns using Bash?
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How to detect if my shell script is running through a pipe?
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In a pure POSIX shell,
if [ -t 1 ] ; then echo terminal; else echo "not a terminal"; fi
returns "terminal", because the output is sent to your terminal, whereas
(if [ -t 1 ] ; then echo terminal; else echo "not a terminal"; fi) | cat
returns "not a t...
How to change column datatype in SQL database without losing data
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Foreign Key to multiple tables
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154
You have a few options, all varying in "correctness" and ease of use. As always, the right des...
How to disable all inside a form with jQuery?
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In older versions you could use attr. As of jQuery 1.6 you should use prop instead:
$("#target :input").prop("disabled", true);
To disable all form elements inside 'target'. See :input:
Matches all input, textarea, select and button elements.
If you only want the <...
How to append a char to a std::string?
The following fails with the error prog.cpp:5:13: error: invalid conversion from ‘char’ to ‘const char*’
13 Answer...
UITableView is starting with an offset in iOS 7
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By default table view controllers will pad the content down under the nav bar so you could scrol...
Fastest way to convert string to integer in PHP
Using PHP, what's the fastest way to convert a string like this: "123" to an integer?
8 Answers
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Postgres manually alter sequence
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The parentheses are misplaced:
SELECT setval('payments_id_seq', 21, true); # next value will be 22
Otherwise you're calling setval with a single argument, while it requires two or three.
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