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getting the last item in a javascript object
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Create or write/append in text file
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348
Try something like this:
$txt = "user id date";
$myfile = file_put_contents('logs.txt', $tx...
Tar a directory, but don't store full absolute paths in the archive
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408
tar -cjf site1.tar.bz2 -C /var/www/site1 .
In the above example, tar will change to director...
How do I sort a vector of pairs based on the second element of the pair?
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EDIT: using c++14, the best solution is very easy to write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution
std::sort(v.begin(), v.end(), [](auto &left, auto &right) {
return left...
How do I concatenate const/literal strings in C?
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401
In C, "strings" are just plain char arrays. Therefore, you can't directly concatenate them wit...
Switch statement fallthrough in C#?
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Alex LymanAlex Lyman
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...新文件两个信息就可以了，而 DOKAN_FILE_INFO里的Context是Int64的，在Ｗin32里可以用32位存文件指针，另32位用来存储文件更新信息。
//以下来自于Dokan.pas里的定义
_DOKAN_OPTIONS = packed record
DriveLetter: WCHAR; // Drive letter to be mounted...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...libc malloc版本。
ptmalloc原理
系统调用接口
上图是 x86_64 下 Linux 进程的默认地址空间, 对 heap 的操作, 操作系统提供了brk()系统调用，设置了Heap的上边界； 对 mmap 映射区域的操作,操作系 统 供了 mmap()和 munmap()函数。
因为系统...
How to drop SQL default constraint without knowing its name?
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Launching an application (.EXE) from C#?
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edited Jan 13 at 14:19
Demodave
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