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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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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 an R function for finding the index of an element in a vector?

... @John : that's all true, but that is not what the OP asked. The OP asked, starting from a long vector, to find the first match of elements given in another one. And for completeness, I added that if you are interested in all indices, you'll...
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Allow CORS REST request to a Express/Node.js application on Heroku

...de on a clean ExpressJS app and it works just fine. Try move your app.use(allowCrossDomain) to the top of configure function. share | improve this answer | follow ...
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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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What does MVW stand for?

... considered the ViewModel that is being decorated by a function that we call a Controller. Being able to categorize a framework and put it into one of the MV* buckets has some advantages. It can help developers get more comfortable with its apis by making it easier to create a mental mode...