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How do I check that a number is float or integer?
...0;
}
Update 2019
5 years after this answer was written, a solution was standardized in ECMA Script 2015. That solution is covered in this answer.
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How to set input type date's default value to today?
...HTML5 input types are great, Opera's new built-in date picker is a breeze, and Chrome has at least supported the new input type with a spin-wheel implementation.
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jQuery - select all text from a textarea
... using the focus event, not the click event. The following will do the job and works around a problem in Chrome that prevents the simplest version (i.e. just calling the textarea's select() method in a focus event handler) from working.
jsFiddle: http://jsfiddle.net/NM62A/
Code:
<textarea id="...
What's the easiest way to install a missing Perl module?
...
On Unix:
usually you start cpan in your shell:
# cpan
and type
install Chocolate::Belgian
or in short form:
cpan Chocolate::Belgian
On Windows:
If you're using ActivePerl on Windows, the PPM (Perl Package Manager) has much of the same functionality as CPAN.pm.
Example:...
ruby on rails f.select options with custom attributes
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This is not possible directly with Rails, and you'll have to create your own helper to create the custom attributes. That said, there are probably two different ways to accomplish what you want:
(1) Using a custom attribute name in HTML5. In HTML5 you are allowed to...
Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...ody annotated parameter is expected to hold the entire body of the request and bind to one object, so you essentially will have to go with your options.
If you absolutely want your approach, there is a custom implementation that you can do though:
Say this is your json:
{
"str1": "test one",
...
Does Eclipse have line-wrap
I'm editing an XML file with the Eclipse IDE and need to input paragraphs of text. It doesn't seem that eclipse has a line-wrap feature though. Anyone knows if it does or if there's a plugin for that?
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Can I use view pager with views (not with fragments)
...tation is to just return the view as the key as well. FragmentPageAdapter handles all the key-to-view stuff for you and thus just asks you to create a fragment instead.
– themightyjon
Sep 7 '15 at 16:24
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How to send objects through bundle
...of three things:
1) You can break the object down to its constitute data, and if what's on the other end has knowledge of the same sort of object, it can assemble a clone from the serialized data. That's how most of the common types pass through bundles.
2) You can pass an opaque handle. If you ...
Emulator error: This AVD's configuration is missing a kernel file
This problem was discovered when I tried to run the Android emulator in Eclipse. Can't figure out what happened. I searched online for the solution, but it seemed to be vague and I don't understand clearly.
I was following the steps to install the AVD according to the sites and I can't figure out w...