大约有 4,041 项符合查询结果（耗时：0.0291秒） [XML]
Bootstrapping still requires outside support
...g language to write your new compiler in. If you were writing a new, say, C++ compiler, you would just write it in C++ and compile it with an existing compiler first. On the other hand, if you were creating a compiler for a new language, let's call it Yazzleof, you would need to write the new comp...
Can I set enum start value in Java?
...
Java enums are not like C or C++ enums, which are really just labels for integers.
Java enums are implemented more like classes - and they can even have multiple attributes.
public enum Ids {
OPEN(100), CLOSE(200);
private final int id;
Id...
Kill process by name?
...stall psutil" failed on my machine, saying that I needed to install Visual C++ 9.0. Screw that! I'd much rather install Cygwin or Msys.
– Andrew Bainbridge
Apr 4 '16 at 16:54
...
What is exactly the base pointer and stack pointer? To what do they point?
...out Windows programs, you might probably use Visual Studio to compile your C++ code. Be aware that Microsoft uses an optimization called Frame Pointer Omission, that makes it nearly impossible to do walk the stack without using the dbghlp library and the PDB file for the executable.
This Frame Poin...
Why does an overridden function in the derived class hide other overloads of the base class?
...e rationale behind the name hiding, i.e. why it actually was designed into C++, is to avoid certain counterintuitive, unforeseen and potentially dangerous behavior that might take place if the inherited set of overloaded functions were allowed to mix with the current set of overloads in the given cl...
How to erase the file contents of text file in Python?
...e:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
share
|
improve this answer
|
follow
|
...
How to determine the Boost version on a system?
Is there a quick way to determine the version of the Boost C++ libraries on a system?
11 Answers
...
How to implement classic sorting algorithms in modern C++?
...ithm (and its cousins std::partial_sort and std::nth_element ) from the C++ Standard Library is in most implementations a complicated and hybrid amalgamation of more elementary sorting algorithms , such as selection sort, insertion sort, quick sort, merge sort, or heap sort.
...
Memory management in Qt?
...
If your MyClass is not a child of QObject, you’ll have to use the plain C++ way of doing things.
Also, note that the parent–child hierarchy of QObjects is generally independent of the hierarchy of the C++ class hierarchy/inheritance tree. That means, that an assigned child does not need to be ...
How can I scan barcodes on iOS?
...specifically, you want to take a look at the iPhone client and the partial C++ port of the core library. The port is a little old, from circa the 0.9 release of the Java code, but should still work reasonably well.
If you need to scan other formats, like 1D formats, you could continue the port of t...