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How can I change the color of my prompt in zsh (different from normal text)?
...n on red foreground) and \e[0m (turn off character attributes). These are called escape sequences. Different escape sequences give you different results, from absolute cursor positioning, to color, to being able to change the title bar of your window, and so on.
For more on escape sequences, see th...
How to find the size of an array in postgresql
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cardinality returns the number of all the elements in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, a...
How can I see the current value of my $PATH variable on OS X?
...to display the PATH variable or you can just execute set or env to display all of your environment variables.
By typing $PATH you tried to run your PATH variable contents as a command name.
Bash displayed the contents of your path any way. Based on your output the following directories will be se...
What is “incremental linking”?
I've looked at Microsoft's MSDN and all around the web, but I still haven't been able to get a really good idea of what it is.
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Capture Stored Procedure print output in .NET
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Are you catching all messages produced within sql server with that event ? Is it possible that this event will also catch some other messages, not produced by that stored procedure ?
– FrenkyB
Mar 18 '15...
How do I handle newlines in JSON?
...N spec at ietf.org/rfc/rfc4627.txt contains this sentence in section 2.5: "All Unicode characters may be placed within the quotation marks except for the characters that must be escaped: quotation mark, reverse solidus, and the control characters (U+0000 through U+001F)." Since a newline is a contro...
How to sort an array of objects by multiple fields?
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Original function:
var sort_by = function() {
var fields = [].slice.call(arguments),
n_fields = fields.length;
return function(A,B) {
var a, b, field, key, primer, reverse, result, i;
for(i = 0; i < n_fields; i++) {
result = 0;
field = fields[...
Python int to binary string?
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typically one would use 4/8/... bit representation: "{:08b}".format(37)
– Sparkler
Aug 14 '18 at 21:51
3
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How to invert a grep expression
The following grep expression successfully lists all the .exe and .html files in the current directory and sub directories.
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How can I listen to the form submit event in javascript?
...'ve been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.
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