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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...cksort actually behaves in Haskell in terms of memory accesses or even the order of comparisons. If you could only observe the behavior, and not the source code, you would not recognize what it's doing as a quicksort.
For example, the C version of quicksort partitions all the data before the first ...
PowerShell script to return versions of .NET Framework on a machine?
...
If you're going to use the registry you have to recurse in order to get the full version for the 4.x Framework. The earlier answers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), a...
How to pass a function as a parameter in Java? [duplicate]
...t of this post describes what we used to have to do in the bad old days in order to implement this functionality.
Typically you declare your method as taking some interface with a single method, then you pass in an object that implements that interface. An example is in commons-collections, where y...
Is it safe to remove selected keys from map within a range loop?
...delete(m, key)
}
}
And the language specification:
The iteration order over maps is not specified and is not guaranteed to be the same from one iteration to the next. If map entries that have not yet been reached are removed during iteration, the corresponding iteration values will not be ...
Verify a certificate chain using openssl verify
...rtificate.
The ca-bundle must be made up in excactly the right processing order, this means, the first needed certificate (the intermediate certificate which signs your certificate) comes first in the bundle. Then the cross-signing-cert is needed.
Usually your CA (the authority who signed your ce...
SVN how to resolve new tree conflicts when file is added on two branches
...to remove that file from the source branch B1, merge back from B2 to B1 in order to make that file visible on B1 (you will then work on the same element).
If a merge back is not possible because merges only occurs from B1 to B2, then a manual merge will be necessary for each B1->B2 merges.
...
Does a javascript if statement with multiple conditions test all of them?
...ime, and not only is it important to know this short circuits, but in what order. For example:
if (takesSeconds() && takesMinutes())
is much better than
if (takesMinutes() && takesSeconds())
if both are equally likely to return false.
...
PhantomJS failing to open HTTPS site
...ding the option after the script name didn't work - you need to call it in order: phantomjs --ignore-ssl-errors=yes script.js
– simonlchilds
Jan 16 '14 at 20:15
...
Is it possible to use global variables in Rust?
...is possible to have statics that require code to be executed at runtime in order to be initialized. This includes anything requiring heap allocations, like vectors or hash maps, as well as anything that requires function calls to be computed.
// Declares a lazily evaluated constant HashMap. The Has...
How to read a text file reversely with iterator in C#
...eld keyword such that a new Enumerable is created iterating in the reverse order
– applejacks01
Jul 26 '16 at 12:48
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