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Finding current executable's path without /proc/self/exe
...are using Qt, QCoreApplication::applicationFilePath() as mentioned in the comments.
The portable (but less reliable) method is to use argv[0]. Although it could be set to anything by the calling program, by convention it is set to either a path name of the executable or a name that was found using...
C++ project organisation (with gtest, cmake and doxygen)
...e weird stuff you can find so it is not surprising that a lot
of questions come up. I'll try to walk through the questions one by one and mention some general things regarding building C++ libraries.
Separating headers and cpp files in directories. This is only
essential if you are building a compo...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...以有很多种类型，在DOS的可执行程序中，有只用到64KB的.com文件，也有大大小小的.exe文件。到了Win32环境下，又有了可以用4GB内存的PE格式可执行文件，编写不同类型的可执行文件要用.model语句定义不同的参数，具体如下 表所示...
How does PHP 'foreach' actually work?
... the C level.
Iteration of arrays and plain objects is significantly more complicated. First of all, it should be noted that in PHP "arrays" are really ordered dictionaries and they will be traversed according to this order (which matches the insertion order as long as you didn't use something like...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
.../ Starting the time measurement
double start = omp_get_wtime();
// Computations to be measured
while(inptr != endptr)
{
(*outptr) = reverse(*inptr);
inptr++;
outptr++;
}
// Measuring the elapsed time
double end = omp_get_wtime();
// Time calculation ...
Programmer Puzzle: Encoding a chess board state throughout a game
...ing. If you read through this I've determined that the only way to store a complete game state is by storing a complete list of moves. Read on for why. So I use a slightly simplified version of the problem for piece layout.
The Problem
This image illustrates the starting Chess position. Chess oc...
Relational table naming convention [closed]
..., so that it is the most meaningful, and generic terms are avoided (this becomes easier with experience). The Verb Phrase is important during modelling because it assists in resolving the model, ie. clarifying relations, identifying errors, and correcting the table names.
Diagram_A
Of course, t...
Maximum single-sell profit
...by splitting the input in half, solving the problem in each subarray, then combining the two together. Turns out we actually can do this, and can do so efficiently! The intuition is as follows. If we have a single day, the best option is to buy on that day and then sell it back on the same day fo...
What is your most productive shortcut with Vim?
...oblem with Vim is that you don't grok vi.
You mention cutting with yy and complain that you almost never want to cut whole lines. In fact programmers, editing source code, very often want to work on whole lines, ranges of lines and blocks of code. However, yy is only one of many way to yank text ...
What are metaclasses in Python?
...lass in Python you really just want to subclass type.
A metaclass is most commonly used as a class-factory. When you create an object by calling the class, Python creates a new class (when it executes the 'class' statement) by calling the metaclass. Combined with the normal __init__ and __new__ met...