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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
... operations are really internally read-only in the thread-safety sense. In C++ standard library for example, there is a blanket rule that member function marked const are truly read-only in such a sense (internally, they may still perform writes, but these will have to be made thread-safe). There is...
What is the logic behind the “using” keyword in C++?
What is the logic behind the "using" keyword in C++?
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Is there any way to put malicious code into a regular expression?
...x who wrote the "Regular Expression" page has also released code! re2 is a C++ library which guarantees O(length_of_regex) runtime and configurable memory-use limit. It's used within Google so that you can type a regex into google code search -- meaning that it's been battle tested.
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How to create the most compact mapping n → isprime(n) up to a limit N?
... n%(i+2) == 0)
return false;
return true;
}
this is just c++ implementation of above AKS algorithm
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Determine a string's encoding in C#
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It came from a non-Unicode C++ app.. The CodeProject article seems a bit too complex, however it seems to do what I want to do.. Thanks..
– krebstar
Jun 22 '09 at 3:47
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To ARC or not to ARC? What are the pros and cons? [closed]
...urs the penalties discussed below:
ARC will not leak memory during ObjC or C++ exception throws in ObjC++ code, but this is at the cost of both time and space performance. This is yet another in a long list of reasons to minimize your use of ObjC++.
ARC will not work at all on iPhoneOS 3 or Mac OS X...
Why use apparently meaningless do-while and if-else statements in macros?
In many C/C++ macros I'm seeing the code of the macro wrapped in what seems like a meaningless do while loop. Here are examples.
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What happens if you static_cast invalid value to enum class?
Consider this C++11 code:
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When is a language considered a scripting language? [closed]
...t a scripting language (for example, game developers who develop mainly in C++ will script the objects in Lua). Again, the lines are blurred - a language can be used for a programming by one person and the same language can be used for scripting language by another.
This is from the wikipedia artic...
Speed up the loop operation in R
...nd inline here makes replacing only the slowest part of the algorithm with C++ code particularly easy. Here, for instance, is my first attempt at doing so, and it blows away even highly optimized R solutions.
If you're still left with troubles after all this, you just need more computing power. L...