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How to force a html5 form validation without submitting it via jQuery

... To check whether a certain field is valid, use: $('#myField')[0].checkValidity(); // returns true/false To check if the form is valid, use: $('#myForm')[0].checkValidity(); // returns true/false If you want to display the nati...
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Example invalid utf8 string?

... Take a look at Markus Kuhn's UTF-8 decoder capability and stress test file You'll find examples of many UTF-8 irregularities, including lonely start bytes, continuation bytes missing, overlong sequences, etc. ...
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Internet Explorer 11 detection

I know IE 11 has different user agent string than all other IE 11 Answers 11 ...
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IF statement: how to leave cell blank if condition is false (“” does not work)

I would like to write an IF statement, where the cell is left blank if the condition is FALSE. Note that, if the following formula is entered in C1 ( for which the condition is false ) for example: ...
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If my interface must return Task what is the best way to have a no-operation implementation?

...the code below, due to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method? ...
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What are the differences between json and simplejson Python modules?

...tdlib. But since json was added in 2.6, simplejson has the advantage of working on more Python versions (2.4+). simplejson is also updated more frequently than Python, so if you need (or want) the latest version, it's best to use simplejson itself, if possible. A good practice, in my opinion, is ...
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How do you run your own code alongside Tkinter's event loop?

...amming, and for his Science Fair project, he's doing a simulation of a flock of birds in the sky. He's gotten most of his code written, and it works nicely, but the birds need to move every moment . ...
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Scala: what is the best way to append an element to an Array?

Say I have an Array[Int] like 3 Answers 3 ...
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Python pip install fails: invalid command egg_info

I find that recently often when I try to install a Python package using pip , I get the error(s) below. 15 Answers ...
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autolayout - make height of view relative to half superview height

have been getting into autolayouts recently and I'm stuck on what seems like a really trivial problem example. I have a view that I want to sit at the top of the screen, and take up half of the screen-height. Simple before autolayout - just tack it in place and tell it to expand vertically when the ...