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How do I get the base URL with PHP?
...aces, commas, carriage return, etc. Anything that is not a valid character for a domain. Check the PHP builtin parse_url function for an example.
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Multiple glibc libraries on a single host
...-linux.so.2
The -rpath linker option will make the runtime loader search for libraries in /path/to/newglibc (so you wouldn't have to set LD_LIBRARY_PATH before running it), and the -dynamic-linker option will "bake" path to correct ld-linux.so.2 into the application.
If you can't relink the myapp...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...、详细时间、行号。
#import"ViewController.h"
#defineNSLog(format,...)do{\
fprintf(stderr,"%s\n",\
[[[NSStringstringWithUTF8String:__FILE__]lastPathComponent]UTF8String],\
__LINE__,__func__);\
(NSLog)((format),##__VA_ARGS__);\
fprintf(stderr,"-------\n");\
}while(0)
@interface...
setup.py examples?
...s here, pyglet's is here. You can just browse the source of other projects for a file named setup.py for more examples.
These aren't simple examples; the tutorial link I gave has those. These are more complex, but also more practical.
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Xcode doesn't show the line that causes a crash
...caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the console:
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UIPanGestureRecognizer - Only vertical or horizontal
...
Just do this for the vertical pan gesture recognizer, it works for me:
- (BOOL)gestureRecognizerShouldBegin:(UIPanGestureRecognizer *)panGestureRecognizer {
CGPoint velocity = [panGestureRecognizer velocityInView:someView];
retur...
Show current assembly instruction in GDB
...
You can switch to assembly layout in GDB:
(gdb) layout asm
See here for more information. The current assembly instruction will be shown in assembler window.
┌──────────────────────────────────────────...
How to iterate for loop in reverse order in swift?
When I use the for loop in Playground, everything worked fine, until I changed the first parameter of for loop to be the highest value. (iterated in descending order)
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How do I print the elements of a C++ vector in GDB?
...vector in GDB, how do I do it? Let's say it's a std::vector<int> for the sake of simplicity.
5 Answers
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...执行后平常执行下面两个其中一个命令
#drbdadm primary --force r0
#drbdadm primary all
第3步:设置当前节点为主节点
# cat /proc/drbd
version: 8.4.6 (api:1/proto:86-101)
GIT-hash: 833d830e0152d1e457fa7856e71e11248ccf3f70 build by root@db01.mysql.com,...