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Sort JavaScript object by key
...estObj[c], a)
// initial value for reduce.
,{}
);
Docs for reduce: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce
Why use parenthesis on JavaScript return statements: http://jamesknelson.com/javascript-return-parenthesis/
Why Sorting is a bi...
Swapping column values in MySQL
...thod that uses a temporary variable. Thanks to Antony from the comments of http://beerpla.net/2009/02/17/swapping-column-values-in-mysql/ for the "IS NOT NULL" tweak. Without it, the query works unpredictably. See the table schema at the end of the post. This method doesn't swap the values if one of...
What is DOCTYPE?
...ional:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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What is Dispatcher Servlet in Spring?
In this image (which I got from here ), HTTP request sends something to Dispatcher Servlet.
7 Answers
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How to use C++ in Go
...
Seems that currently SWIG is best solution for this:
http://www.swig.org/Doc2.0/Go.html
It supports inheritance and even allows to subclass C++ class with Go struct so when overridden methods are called in C++ code, Go code is fired.
Section about C++ in Go FAQ is updated and...
Scala type programming resources
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Getting distance between two points based on latitude/longitude
I tried implementing this formula: http://andrew.hedges.name/experiments/haversine/
The aplet does good for the two points I am testing:
...
Difference between abstract class and interface in Python
... isn't really abstract.
Python >= 2.6:
Abstract base classes do exist (http://docs.python.org/library/abc.html). And allow you to specify methods that must be implemented in subclasses. I don't much like the syntax, but the feature is there. Most of the time it's probably better to use duck typi...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...ich is active and do the right thing. The documentation was helpful too:
http://developer.apple.com/library/ios/#documentation/uikit/reference/UISearchDisplayController_Class/Reference/Reference.html
Here's what I did -
Added the searchIsActive flag:
@interface ItemTableViewController : UITabl...
ACE vs Boost vs POCO [closed]
...POCO network library also provides support for higher level protocols like HTTP and SSL (possibly also in boost::asio, but I am not sure?).
Fair enough.
Integrated library has the advantage of having consistent coding, documentation and general "look and feel".
Being cross-platform is an important ...