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Underscore: sortBy() based on multiple attributes
...atient[0].roomNumber;
}).value();
When the second sortBy finds that John and Lisa have the same room number it will keep them in the order it found them, which the first sortBy set to "Lisa, John".
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Why does ConcurrentHashMap prevent null keys and values?
...s same ie, ambiguities. For example suppose one thread makes a key as null and stores a value against it. Then another thread changed another key to null. When second thread tries to add new value, it will be replaced. If second thread tries to get value, it will get the value for a different key, t...
How do I use WPF bindings with RelativeSource?
How do I use RelativeSource with WPF bindings and what are the different use-cases?
13 Answers
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How to allow only numeric (0-9) in HTML inputbox using jQuery?
...ations, non-typeable keys, the caret position, different keyboard layouts, and all browsers since IE 9):
// Restricts input for the set of matched elements to the given inputFilter function.
(function($) {
$.fn.inputFilter = function(inputFilter) {
return this.on("input keydown keyup mousedow...
How do CSS triangles work?
...ere're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle:
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Cancel split window in Vim
...window just one window without cancelling all of my open windows. I have 5 and do not want to "quit", just want to get out of split window.
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What's the difference between integer class and numeric class in R
...t common of which are double (for double precision floating point numbers) and integer. R will automatically convert between the numeric classes when needed, so for the most part it does not matter to the casual user whether the number 3 is currently stored as an integer or as a double. Most math ...
Get first and last day of month using threeten, LocalDate
I have a LocalDate which needs to get the first and last day of the month.
How do I do that?
10 Answers
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Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?
...stion. I've done a thorough investigation for solutions in regards to this and I know there are topics to this and I've followed them too and nothing has worked. That being said I'll list out exactly everything I've done so far. I am running PHP 5.2.14 with Zend Debugging on the latest Eclipse versi...
What does this Google Play APK publish error message mean?
I'm trying to publish a new version of my Android app to Google Play and get the following error?
17 Answers
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