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How to find whether or not a variable is empty in Bash
...er imho if test -z "var" .. anyway +1 :)
– Luca Borrione
Aug 31 '12 at 20:15
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How to randomly pick an element from an array
...dictable. It's not a problem at all in this case — but it should be mentioned that array[(int)(System.currentTimeMillis() % array.length)] is just as good as the proposed solution.
– alf
Nov 9 '11 at 13:42
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How to create a jQuery function (a new jQuery method or plugin)?
...to write a plugin to use jQuery in a function. Certainly if it's a simple, one-time function, I believe writing a plugin is overkill. It could be done much more easily by just passing the selector to the function as a parameter. Your code would look something like this:
function myFunction($param) ...
How to take MySQL database backup using MySQL Workbench?
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In Workbench 6.3 it is supereasy:
On the "HOME"-view select one of the MySQL Connections: (localhost)
In the "Localhost" view click on "Server"--> "Data export"
In the "Data Export" view select the table(s) and whether you want to export only their structure, or structure and data,...
How do I put an 'if clause' in an SQL string?
...n, inserted.*, deleted.*;
like this you can insert, update and delete in one statements.
and for more information you can refer official documents on
https://technet.microsoft.com/en-us/library/bb522522(v=sql.105).aspx
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Failed to build gem native extension (installing Compass)
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This worked for me with one addition - you have to actually start XCODE so that you can accept the license agreement and let it finish setup. Might be worth tagging onto your answer.
– Bruford
Jun 17 '15 at 14...
Do I need Content-Type: application/octet-stream for file download?
... anything "webby". Or to look at it from another direction; the only thing one can safely do with application/octet-stream is to save it to file and hope someone else knows what it's for.
You can combine the use of Content-Disposition with other content-types, such as image/png or even text/html to...
What is the reason for a red exclamation mark next to my project in Eclipse?
... My bad! I removed them, but not from the lib in my build path. Mark is gone! thx
– Darth Blue Ray
May 18 '11 at 6:58
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Get the current user, within an ApiController action, without passing the userID as a parameter
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None of the suggestions above worked for me. The following did!
HttpContext.Current.Request.LogonUserIdentity.Name
I guess there's a wide variety of scenarios and this one worked for me. My scenario involved an AngularJS fr...
How to send a PUT/DELETE request in jQuery?
...d $.post can have different signatures while here you are hardcoding it to one
– Francisco Presencia
Aug 30 '16 at 11:33
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