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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
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How to pass a function as a parameter in Java? [duplicate]
In Java, how can one pass a function as an argument of another function?
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@property retain, assign, copy, nonatomic in Objective-C
As someone that's new to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm missing, that follow the @property directive? What are they doing and why would I want to use one over another?
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Why does InetAddress.isReachable return false, when I can ping the IP address?
...y of the internet in Java?
And even a reported bug on this same matter :
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4921816
Part 1 : A reproducible example of the problem
Note that in this case, it fails.
//also, this fails for an invalid address, like "www.sjdosgoogle.com1234s...
Execute raw SQL using Doctrine 2
...;exec('update bar set foo=1');
See the docs for the connection object at http://www.doctrine-project.org/api/dbal/2.0/doctrine/dbal/connection.html
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How do I remove the last comma from a string using PHP?
I am using a loop to get values from my database and my result is like:
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What are the uses of “using” in C#?
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Microsoft documentation states that using has a double function (https://msdn.microsoft.com/en-us/library/zhdeatwt.aspx), both as a directive and in statements. As a statement, as it was pointed out here in other answers, the keyword is basically syntactic sugar to determine a scope to dis...
Passing data between controllers in Angular JS?
... the description, seems as though you should be using a service. Check out http://egghead.io/lessons/angularjs-sharing-data-between-controllers and AngularJS Service Passing Data Between Controllers to see some examples.
You could define your product service (as a factory) as such:
app.factory('pr...
When should I use C++ private inheritance?
Unlike protected inheritance, C++ private inheritance found its way into mainstream C++ development. However, I still haven't found a good use for it.
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Simple calculations for working with lat/lon and km distance?
...or GPS). But the error is probably negligible for your purposes.
Source: http://en.wikipedia.org/wiki/Latitude
Caution: Be aware that latlong coordinates are expressed in degrees, while the cos function in most (all?) languages typically accepts radians, therefore a degree to radians conversion i...