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list.clear() vs list = new ArrayList(); [duplicate]
... zeroing mechanism that one would expect to be faster; e.g. hand optimized C++ or ASM, or even clever virtual memory tricks.
– Stephen C
Jun 10 '13 at 23:16
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When should I create a destructor?
...te example, I have a matrix class in C# that utilizes an underlying native C++ matrix class to do a lot of heavy lifting - I make a lot of matrices - a "destructor" is far superior to IDisposable in this specific case, because it keeps the managed and unmanaged sides of the house in better sync
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g++ undefined reference to typeinfo
.... Note: In case of dynamic library linking you may get a mangled name. Use c++filt <mangledNameVariable> to get it in a readable form. The typeinfo error with a class name was in my case because of a missing virtual destructor implementation in some base class.
– chmike
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...与.mm文件的区别
.m文件是objective-c文件
.mm文件相当于c++或者c文件
Safari其实没有把内存的缓存写到存储卡上
28.读取一般性文件
- (void)readFromTXT {
NSString *tmp;
NSArray *lines;//将文件转化为一行一行的
lines = [[NSString str...
error: Libtool library used but 'LIBTOOL' is undefined
I am trying to automake the OrientDb C++ library, but getting some errors.
5 Answers
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How can I create Min stl priority_queue?
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The default priority queue in C++ is a max priority queue.
– qwr
Feb 20 at 8:03
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An algorithm for inflating/deflating (offsetting, buffering) polygons
...gon offsetting too. The library is open source freeware written in Delphi, C++ and C#. It has a very unencumbered Boost license allowing it to be used in both freeware and commercial applications without charge.
Polygon offsetting can be performed using one of three offset styles - squared, round ...
How to throw std::exceptions with variable messages?
...cit conversion, ie: runtime_error((boost::format("Text %1" % 2).str())). C++20 introduces a std::format that will provide similar functionality.
– Digicrat
Jun 19 at 18:43
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Combining node.js and Python
...ans, for example if you later want to do part of the computational task in C++ it's very easy to do add it to the mix using Thrift.
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Simulate delayed and dropped packets on Linux
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This tutorial on networking physics simulations contains a C++ class in the sample code for simulating latency and packet loss in a UDP connection and may be of guidance. See the public latency and packetLoss variables of the Connection class found in the Connection.h file of the dow...