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How to get the top 10 values in postgresql?
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For this you can use limit
select *
from scores
order by score desc
limit 10
If performance is important (when is it not ;-) look for an index on score.
Starting with version 8.4, you can also use the standard (SQL:2008) fetch first
select *
from scores
order by scor...
How can I change my Cygwin home folder after installation?
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Footnotes:
Consider moving /etc/passwd and /etc/group out of the way in order to use the new SAM/AD-based mechanism instead.
While it is possible to simply set %HOME% via the Control Panel, it is officially discouraged. Not only does it unceremoniously override the above mechanisms, it doesn't al...
What is the simplest SQL Query to find the second largest value?
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Much better than my approach using ORDER_BY and LIMIT for the inner statement
– andig
Oct 8 '15 at 9:58
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SSL Error: CERT_UNTRUSTED while using npm command
...bove error. It is the corporate proxy(virtual private network) provided in order to work in the client network. Without that connection I frequently faced the same problem be it maven build or npm install.
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Ant task to run an Ant target only if a file exists?
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You can do it by ordering to do the operation with a list of files with names equal to the name(s) you need. It is much easier and direct than to create a special target. And you needn't any additional tools, just pure Ant.
<delete>
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Webstorm: “Cannot Resolve Directory”
...older. This means that you should use Resource Root on a folder that holds all the resources you would like to refer to (e.g. styles, scripts, ...).
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how do I strip white space when grabbing text with jQuery?
...in js:
var emailAdd = $(this).text().replace(/ /g,'');
That will remove all the spaces
If you want to remove the leading and trailing whitespace only, use the jQuery $.trim method :
var emailAdd = $.trim($(this).text());
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jQuery, simple polling example
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setinterval would make an ajax call every 5 seconds no matter what. the way have written it (which i believe is good practice) will wait for the results THEN make another ajax request 5 seconds later. there are times i would use setinterval, but this is not...
What is opinionated software?
...t Microsoft tends to write "un-opinionated" frameworks. What does this actually mean?
9 Answers
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Meaning of tilde in Linux bash (not home directory)
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Tilde expansion in Bash:
http://bash-hackers.org/wiki/doku.php/syntax/expansion/tilde
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