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Best way to check for “empty or null value”
...char(5) AS eq3;
Result:
eq1 | eq2 | eq3
----+-----+----
t | t | t
Test for "null or empty string" with char(n):
SELECT stringexpression
, stringexpression = '' AS base_test
, (stringexpression = '') IS NOT FALSE AS test1
, (stringexpression <> '') ...
How to check if an element does NOT have a specific class?
...sn't a class. For example, I know how to check to see if it has the class "test", but how do I check to see if it doesn't have the class "test"?
...
How to overcome root domain CNAME restrictions?
...with an HTTP 302 error redirecting them to the proper URL. It's simple to script/setup and can be handled by low end would otherwise be scrapped hardware.
Run the following command for an example:
curl -v eclecticengineers.com
...
jquery data selector
...ailable operators in the code below. Amongst them is ~= which allows regex testing:
$('a:data(category~=^mus..$,artist.name~=^M.+a$)');
I've tested it with a few variations and it seems to work quite well. I'll probably add this as a Github repo soon (with a full test suite), so keep a look out!
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How do I set the selected item in a comboBox to match my string using C#?
I have a string "test1" and my comboBox contains test1 , test2 , and test3 . How do I set the selected item to "test1"? That is, how do I match my string to one of the comboBox items?
...
Confusion between factor levels and factor labels
...the second might get tedious when a lot of data aggregation is involved in scripting. But apparently there's no way to avoid that easily, so I'll go with your suggestions. :)
– donodarazao
May 4 '11 at 7:22
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What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
...tion? What's it's purpose in Android development?
You can run a group of tests annotated with specific annotation.
From AndroidJUnitRunner documentation:
Running a specific test size i.e. annotated with SmallTest or MediumTest or LargeTest:
adb shell am instrument -w -e size [small|medi...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
To my understanding, all of your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file.
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Javascript/jQuery: Set Values (Selection) in a multiple Select
...e in a dynamic selector that utilizes the attribute selector.
var values="Test,Prof,Off";
$.each(values.split(","), function(i,e){
$("#strings option[value='" + e + "']").prop("selected", true);
});
Working Example http://jsfiddle.net/McddQ/1/
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What are the specific differences between .msi and setup.exe file?
... my needs particularly well (i.e. automatically building installers with a script).
– craftworkgames
Feb 15 '18 at 1:50
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