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How do I cancel form submission in submit button onclick event?

...r jQuery) that has a good event handling API and tie into the event that really matters (i.e. the form's submit event instead of the button's click event). share | improve this answer | ...
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Can I grep only the first n lines of a file?

... Is there a way to do this when using grep's -l option? I'd like to list all the files who's first 5 characters are RIFFD. – James M. Lay May 23 '17 at 19:20 add a comment ...
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Get the IP address of the remote host

... This solution also covers Web API self-hosted using Owin. Partially from here. You can create a private method in you ApiController that will return remote IP address no matter how you host your Web API: private const string HttpContext = "MS_HttpContext"; private const string Remote...
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Is this a “good enough” random algorithm; why isn't it used if it's faster?

I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part. ...
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How to find SQL Server running port?

... -n" (from an elevated command prompt) and you don't see "sqlservr.exe" at all then either your SQL Server service is not running or its TCP/IP network library is disabled. Run SQL Server Configuration Manager (Start | All Programs | Microsoft SQL Server 2008 | Configuration Tools). Navigate to SQ...
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How do I escape a single quote ( ' ) in JavaScript? [duplicate]

... "onmouseover" attribute is just change(, and there's another "attribute" called ex1')' with no value. The truth is, HTML does not use \ for an escape character. But it does recognise " and ' as escaped quote and apostrophe, respectively. Armed with this knowledge, use this: doc...
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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?

..., {}, and [] are considered blank. I.e. {}.blank?, [].blank?, false.blank? all evaluate to true. – ShaharZ Sep 20 '16 at 22:22 add a comment  |  ...
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How to remove the URL from the printing page?

... This actually worked on my Firefox 50 @MirzhanIrkegulov – aexl Dec 3 '16 at 23:44 ...
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Count table rows

...t..." in the SQL, does it use $results->num_rows, or is there a way to call this result directly? – Nosajimiki Apr 24 '17 at 19:26  |  show...
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When to use AtomicReference in Java?

...ke the key to needing this is because you need to do a "compareAndSet". If all I needed to do was set I wouldn't need the AtomicObject at all because of reference updates themselves being atomic? – sMoZely Jan 20 '13 at 21:46 ...