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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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Center image horizontally within a div
...il a img {
display:block;
margin:auto;
}
Here's my solution in: http://jsfiddle.net/marvo/3k3CC/2/
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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...
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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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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How to write an XPath query to match two attributes?
...lue + "']" +
"[@" + ATTRIB2 + "='" + attrib2_value + "']"
XPath Testbed:
http://www.whitebeam.org/library/guide/TechNotes/xpathtestbed.rhtm
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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...