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jQuery see if any or no checkboxes are selected
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JQuery .is will test all specified elements and return true if at least one of them matches selector:
if ($(":checkbox[name='choices']", form).is(":checked"))
{
// one or more checked
}
else
{
// nothing checked
}
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What are the best practices for using Assembly Attributes?
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We're using a global file called GlobalAssemblyInfo.cs and a local one called AssemblyInfo.cs. The global file contains the following attributes:
[assembly: AssemblyProduct("Your Product Name")]
[assembly: AssemblyCompany("Your Company")]
[assembl...
What are JavaScript's builtin strings?
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First of all, I would like to thank Jason and all the contributors for playing with that funny snippet. I have written that piece of code just for fun in order to send it to my wife on February 14 :) Having only Chrome installed on th...
Why is there no logical xor in JavaScript?
...r. Mainly because it's not useful. Bitwise XOR is extremely useful, but in all my years of programming I have never needed a logical XOR.
If you have two boolean variables you can mimic XOR with:
if (a != b)
With two arbitrary variables you could use ! to coerce them to boolean values and then u...
How do HTML parses work if they're not using regexp?
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Usually by using a tokeniser. The draft HTML5 specification has an extensive algorithm for handling "real world HTML".
share
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Remove substring from the string
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@bcackerman -- delete wouldn't work, since it deletes all the characters you pass in: 'hello world'.delete('hello') #=> ' wrd'
– rusty
Jun 2 '15 at 14:55
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How to configure static content cache per folder and extension in IIS7?
...wrong with the [IIS7 resource kit](: amazon.co.uk/dp/0735624410), it's actually quite useful. The Wrox Pro IIS7 book isn't bad either. TBH I learned mostly from the IIS.NET config reference site: iis.net/ConfigReference and from poking about the %systemroot%\system32\inetsrv\config\applicationhost....
Is there a regular expression to detect a valid regular expression?
...itutions and translations. s/<this part>/.../
It is not theoretically possible to match all valid regex grammars with a regex.
It is possible if the regex engine supports recursion, such as PCRE, but that can't really be called regular expressions any more.
Indeed, a "recursive regu...
JavaScript data grid for millions of rows [closed]
...ollbar itself - the scrollable area's height is set to the total height of all the rows. The rows are still being added and removed as the user is scrolling, but the scrolling itself is done by the browser. That allows it to be very fast yet smooth (onscroll events are notoriously slow). The cave...
change type of input field with jQuery
... or part of their security model, but jQuery isn't specific):
// We can't allow the type property to be changed (since it causes problems in IE)
if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
throw "type property can't be changed";
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