大约有 30,000 项符合查询结果（耗时：0.0490秒） [XML]
Please explain the exec() function and its family
...the child (if the fork() fails, no child is created and the parent gets an error code).
That way, the parent knows the PID of the child and can communicate with it, kill it, wait for it and so on (the child can always find its parent process with a call to getppid()).
The exec() call replaces the en...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
..., such as SPARC, attempting to access a misaligned int object causes a bus error, crashing the program.
There have also been systems where a misaligned access quietly ignores the low-order bits of the address, causing it to access the wrong chunk of memory.
Consider the following program:
#includ...
How to get the ThreadPoolExecutor to increase threads to max before queueing?
... and nice!
– Eugene
Dec 4 '17 at 13:05
1
...
Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
27 Answers
...
Convert HTML to PDF in .NET
...g performance
problem.
The most hated "Unable to load DLL 'wkhtmltox.dll'" error reported
by many users.
--- PRE Edit Section ---
For anyone who want to generate pdf from html in simpler applications / environments I leave my old post as suggestion.
TuesPechkin
https://www.nuget.org/packages/...
Change the Right Margin of a View Programmatically?
Can this attribute be changed dynamically in Java code?
4 Answers
4
...
How can I build a small operating system on an old desktop computer? [closed]
...
answered Aug 3 '09 at 22:05
Paul NathanPaul Nathan
37.3k2828 gold badges108108 silver badges201201 bronze badges
...
Move assignment operator and `if (this != &rhs)`
In the assignment operator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up:
...
Why do you program in assembly? [closed]
... advanced features of your architecture. If you're willing to accept some error, you can usually do better than the compiler, and it's worth writing that little bit of code in assembly if you find that lots of time is spent on it.
Here are some more relevant examples:
Examples from Games
Articl...
Testing if object is of generic type in C#
I would like to perform a test if an object is of a generic type. I've tried the following without success:
5 Answers
...