大约有 1,500 项符合查询结果（耗时：0.0247秒） [XML]
Windows x64编程中寄存器的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 中
正如下面的代码：
CreateFileWImplementation:
0000000076EC2A30 48 89 5C 24 08 mov qword ptr [rsp+8],rbx // 回写 caller stack
0000000076EC2A35 48 89 6C 24 10 mov qword ptr [rsp+10h],rbp // 回写 caller stack
0000000076EC2A3A 48 89...
Count cells that contain any text
...of length 0.
Example:
Function in A7
=COUNTA(A1:A6)
Range:
A1 a
A2 b
A3 banana
A4 42
A5
A6
A7 4 -> result
Google spreadsheet function list contains a list of all available functions for future reference https://support.google.com/drive/table/25273?hl=en.
...
Comparing two byte arrays in .NET
...inq;
...
var a1 = new int[] { 1, 2, 3};
var a2 = new int[] { 1, 2, 3};
var a3 = new int[] { 1, 2, 4};
var x = a1.SequenceEqual(a2); // true
var y = a1.SequenceEqual(a3); // false
If you can't use .NET 3.5 for some reason, your method is OK.
Compiler\run-time environment will optimize your loop so ...
What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...unction(s){ return s.length });
// ECMAscript 6 using arrow functions
var a3 = a.map( s => s.length );
// both a2 and a3 will be equal to [31, 30, 31, 31]
Notes on Compatibility
You can use arrow functions in Node, but browser support is spotty.
Browser support for this functionality has impr...
TypeScript function overloading
...tring, a2: number): string
createFeatureLayer(a1: number, a2: boolean, a3: string): number
createFeatureLayer(a1: string | number, a2: number | boolean, a3?: string)
: number | string { /*... your implementation*/ }
}
const fact = new LayerFactory()
fact.createFeatureLayer("foo", 42...
Wait until all jQuery Ajax requests are done?
...ke this:
$.when(ajax1(), ajax2(), ajax3(), ajax4()).done(function(a1, a2, a3, a4){
// the code here will be executed when all four ajax requests resolve.
// a1, a2, a3 and a4 are lists of length 3 containing the response text,
// status, and jqXHR object for each of the four ajax calls ...
Regular expression for floating point numbers
...'+') is optional
'-1.' and '-.1' are valid but '.' and '-.' are invalid
'.1e3' is valid, but '.e3' and 'e3' are invalid
In order to support both '1.' and '.1' we need an OR operator ('|') in order to make sure we exclude '.' from matching.
[+-]? +/- sing is optional since ? means 0 or 1 matches
...
How to convert floats to human-readable fractions?
...**
** based on the theory of continued fractions
** if x = a1 + 1/(a2 + 1/(a3 + 1/(a4 + ...)))
** then best approximation is found by truncating this series
** (with some adjustments in the last term).
**
** Note the fraction can be recovered as the first column of the matrix
** ( a1 1 ) ( a2 1 ) (...
Initializing a struct to 0
...mpty braces for initialization is a GNU extension.
– a3f
Sep 12 '15 at 18:13
2
...
Find all storage devices attached to a Linux machine [closed]
...xvda devices.
Here is a dump for a m1.large instance:
root@ip-10-126-247-82:~# fdisk -l
Disk /dev/xvda1: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders, total 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O ...