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How do I make a checkbox required on an ASP.NET form?
... if (this.ControlToValidate.Length == 0)
throw new System.Web.HttpException(string.Format("The ControlToValidate property of '{0}' is required.", this.ID));
if (this.CheckBoxToValidate == null)
throw new System.Web.HttpException(string.Format("This control can only ...
What is the difference between max-device-width and max-width for mobile web?
...
There are a lot of "mobile devices" that badly calculate width.
Look at http://www.javascriptkit.com/dhtmltutors/cssmediaqueries2.shtml:
/* #### Mobile Phones Portrait #### */
@media screen and (max-device-width: 480px) and (orientation: portrait){
/* some CSS here */
}
/* #### Mobile Phones ...
Vertically align text within a div [duplicate]
... position: relative;
}
<div id="column-content">
<img src="http://i.imgur.com/WxW4B.png">
<span><strong>1234</strong>
yet another text content that should be centered vertically</span>
</div>
JSFiddle
...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
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Ruby: kind_of? vs. instance_of? vs. is_a?
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Purpose of #!/usr/bin/python3
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How do iOS Push Notifications work?
...load, a globally-unique device token, and other delivery information to an HTTP/2 request. For information about device tokens, see APNs-to-Device Connection Trust and Device Tokens. For information about the HTTP/2 request format, and the possible responses and errors from APNs, see Communicating w...
Capistrano error tar: This does not look like a tar archive
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Is it possible to cast a Stream in Java 8?
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Subqueries vs joins
http://www.scribd.com/doc/2546837/New-Subquery-Optimizations-In-MySQL-6
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