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In pure functional languages, is there an algorithm to get the inverse function?
In pure functional languages like Haskell, is there an algorithm to get the inverse of a function, (edit) when it is bijective? And is there a specific way to program your function so it is?
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Why do std::shared_ptr work
I found some code using std::shared_ptr to perform arbitrary cleanup at shutdown. At first I thought this code could not possibly work, but then I tried the following:
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Running a cron every 30 seconds
Ok so I have a cron that I need to run every 30 seconds.
19 Answers
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Easier way to debug a Windows service
Is there an easier way to step through the code than to start the service through the Windows Service Control Manager and then attaching the debugger to the thread? It's kind of cumbersome and I'm wondering if there is a more straightforward approach.
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C# DLL config file
Im trying to add an app.config file to my DLL, but all attempts have failed.
17 Answers
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Using AES encryption in C#
I can't seem to find a nice clean example of using AES 128 bit encryption.
10 Answers
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UDP vs TCP, how much faster is it? [closed]
For general protocol message exchange, which can tolerate some packet loss. How much more efficient is UDP over TCP?
15 An...
The JPA hashCode() / equals() dilemma
There have been some discussions here about JPA entities and which hashCode() / equals() implementation should be used for JPA entity classes. Most (if not all) of them depend on Hibernate, but I'd like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way).
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
Before KitKat (or before the new Gallery) the Intent.ACTION_GET_CONTENT returned a URI like this
19 Answers
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Recursion in Angular directives
There are a couple of popular recursive angular directive Q&A's out there, which all come down to one of the following solutions:
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