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In c++ what does a tilde “~” before a function name signify?
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It's the destructor, it destroys the instance, frees up memory, etc. etc.
Here's a description from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is cal...
How to construct a relative path in Java from two absolute paths (or URLs)?
...ion that passed my test cases. I can't guarantee that this solution is bug-free, but it does pass the included test cases. The method and tests I've written depend on the FilenameUtils class from Apache commons IO.
The solution was tested with Java 1.4. If you're using Java 1.5 (or higher) you shou...
What's the fastest way to read a text file line-by-line?
... answered Jul 23 '14 at 13:12
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What is the python “with” statement designed for?
... variable with data until the instructions under it are complete, and then free the variable?
– Musixauce3000
May 20 '16 at 2:16
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What's the best way of implementing a thread-safe Dictionary?
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Unfortunately it's not a lock-free solution, so it's useless in SQL Server CLR safe assemblies. You'd need something like what's described here: cse.chalmers.se/~tsigas/papers/Lock-Free_Dictionary.pdf or perhaps this implementation: github.com/hackcraft/...
is it possible to evenly distribute buttons across the width of an android linearlayout
...th that is greater than 0dp because it has wrap_content instead making the free space left to divide less than 100% because the text takes space. The result will be that they do get 50% of the free space left but the text already took some space so the TextView will have well over 50% of the total s...
Hashset vs Treeset
...eadSet(), and tailSet() etc
Important points:
Both guarantee duplicate-free collection of elements
It is generally faster to add elements to the HashSet and then convert the collection to a TreeSet for a duplicate-free sorted traversal.
None of these implementations are synchronized. That is if ...
.NET - Dictionary locking vs. ConcurrentDictionary
...y using TryGetValue).
So do use them, but don't think that it gives you a free pass to ignore all concurrency issues. You still need to be careful.
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How to find out which processes are using swap space in Linux?
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funny though, I get Overall swap used: 260672 KB, while free shows 738932 as used...
– Doncho Gunchev
Dec 18 '12 at 16:13
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Why doesn't .NET/C# optimize for tail-call recursion?
...culus. For a very good book on the principles of Lambda calculus, see this free book: Structure and Interpretation of Computer Programs, by Abelson, Sussman, and Sussman.
For a very good introductory article on tail calls in F#, see this article: Detailed Introduction to Tail Calls in F#. Finally, h...