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jQuery: checking if the value of a field is null (empty)
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The value of a field can not be null, it's always a string value.
The code will check if the string value is the string "NULL". You want to check if it's an empty string instead:
if ($('#person_data[document_type]').val() != ''){}
or:
if ($('#person_data[doc...
How to set request headers in rspec request spec?
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edited Feb 19 '18 at 15:40
chriscz
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:active pseudo-class doesn't work in mobile safari
In Webkit on iPhone/iPad/iPod, specifying styling for an :active pseudo-class for an <a> tag doesn't trigger when you tap on the element. How can I get this to trigger? Example code:
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Conditional HTML Attributes using Razor MVC3
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You didn't hear it from me, the PM for Razor, but in Razor 2 (Web Pages 2 and MVC 4) we'll have conditional attributes built into Razor(as of MVC 4 RC tested successfully), so you can just say things like this...
<input type="text" id="@...
Is there any Rails function to check if a partial exists?
...I get an Exception. I'd like to check if a partial exists before rendering it and in case it doesn't exist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this:
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How can I set the value of a DropDownList using jQuery?
...or keeps failing telling me to select a value (when the value selected is within range). Please see my question stackoverflow.com/questions/3165033/…
– James
Jul 7 '10 at 13:14
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Reshaping data.frame from wide to long format
...o convert my data.frame from a wide table to a long table.
At the moment it looks like this:
9 Answers
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
...on: The absolute uri: http://java.sun.com/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
That URI is for JSTL 1.0, but you're actually using JSTL 1.2 which uses URIs with an additional /jsp path (because JSTL, who invented EL expressions, was since v...
How to install plugins to Sublime Text 2 editor?
How to install plugins to the Sublime Text editor?
8 Answers
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Regex Email validation
...e;
}
}
This saves you a lot af headaches because you don't have to write (or try to understand someone else's) regex.
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