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How can I conditionally require form inputs with AngularJS?
... ng-required='!contact.email' />
Here's a more complete example: http://jsfiddle.net/uptnx/1/
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How to find the duration of difference between two dates in java?
...e problem can solved in Java 8 just like the answer by shamimz.
Source : http://docs.oracle.com/javase/tutorial/datetime/iso/period.html
LocalDate today = LocalDate.now();
LocalDate birthday = LocalDate.of(1960, Month.JANUARY, 1);
Period p = Period.between(birthday, today);
long p2 = ChronoUnit....
How do I make an html link look like a button?
...is a better and more elegant solution. If your link is this:
<a href="http://www.example.com">Click me!!!</a>
The corresponding button should be this:
<form method="GET" action="http://www.example.com">
<input type="submit" value="Click me!!!">
</form>
This appr...
When to use CouchDB over MongoDB and vice versa
...gh there are many libraries available today - but CouchDb is exposed as an HTTP API and it is therefore quite easy to create a wrapper in your favorite language to talk with it. I personally like this approach as it avoids bloat and allows you to only take what you want (interface segregation princi...
How to count items in JSON object using command line?
...
The shortest expression is
curl 'http://…' | jq length
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Opacity of div's background without affecting contained element in IE 8?
...ich works the same way as the opacity value.
See this page for more info: http://css-tricks.com/rgba-browser-support/
The down-side, is that this doesn't work in IE8 or lower. The page I linked above also lists a few other browsers it doesn't work in, but they're all very old by now; all browsers ...
How do I find the stack trace in Visual Studio?
...row in the stack trace display, double click the first column of the row.
http://msdn.microsoft.com/en-us/library/windows/hardware/hh439516(v=vs.85).aspx
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Differences between Agda and Idris
...wer this, as having implemented Idris I'm probably a bit biased! The FAQ - http://docs.idris-lang.org/en/latest/faq/faq.html - has something to say on it, but to expand on that a bit:
Idris has been designed from the ground up to support general purpose programming ahead of theorem proving, and as...
jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...eason for the error is the same origin policy. It only allows you to do XMLHTTPRequests to your own domain. See if you can use a JSONP callback instead:
$.getJSON( 'http://<url>/api.php?callback=?', function ( data ) { alert ( data ); } );
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How to access a mobile's camera from a web app?
...name.
Tested on iPhone 5c, running iOS 10.3.3, firmware 760, works fine.
https://www.w3.org/TR/html-media-capture/
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