大约有 35,432 项符合查询结果(耗时:0.0380秒) [XML]
Sequence contains more than one element
...ault. This method will only succeed when the collections contains exactly 0 or 1 element. I believe you are looking for FirstOrDefault which will succeed no matter how many elements are in the collection.
share
|
...
How do I get the full path to a Perl script that is executing?
...during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't think of a way to reliably get the fullpath+filename of the script.
...
Transposing a 2D-array in JavaScript
...
210
array[0].map((_, colIndex) => array.map(row => row[colIndex]));
map calls a provided ...
JavaScript get window X/Y position for scroll
...
The method jQuery (v1.10) uses to find this is:
var doc = document.documentElement;
var left = (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0);
var top = (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
That is:
It...
An efficient way to transpose a file in Bash
..." "a[i,j];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ ti...
How do I view the list of functions a Linux shared library is exporting?
...
320
What you need is nm and its -D option:
$ nm -D /usr/lib/libopenal.so.1
.
.
.
00012ea0 T alcSetT...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...
偏移量
字段描述
必须 的 ?
0-2
启动文件系统载入器 (loader)的 汇编代码 (即转到 loader 的起始位置 )
不
3-10
操作系统名称 ( ASCII 形式 )
不
11-12
磁盘扇...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...
偏移量
字段描述
必须 的 ?
0-2
启动文件系统载入器 (loader)的 汇编代码 (即转到 loader 的起始位置 )
不
3-10
操作系统名称 ( ASCII 形式 )
不
11-12
磁盘扇...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...
偏移量
字段描述
必须 的 ?
0-2
启动文件系统载入器 (loader)的 汇编代码 (即转到 loader 的起始位置 )
不
3-10
操作系统名称 ( ASCII 形式 )
不
11-12
磁盘扇...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...
偏移量
字段描述
必须 的 ?
0-2
启动文件系统载入器 (loader)的 汇编代码 (即转到 loader 的起始位置 )
不
3-10
操作系统名称 ( ASCII 形式 )
不
11-12
磁盘扇...