大约有 30,000 项符合查询结果（耗时：0.0468秒） [XML]
href image link download on click
...ch ($ext) {
case "pdf": $ctype="application/pdf"; break;
case "exe": $ctype="application/octet-stream"; break;
case "zip": $ctype="application/zip"; break;
case "doc": $ctype="application/msword"; break;
case "xls": $ctype="application/vnd.ms-excel"; break;
case "...
Chrome can't load web worker
...u load this file directly using `new Worker`
// the worker code will still execute properly
if(window!=self)
worker_function();
You then link it as normal <script src="...". And once the function is defined, you use this abomination of a code:
new Worker(URL.createObjectURL(new Blob(["("+wor...
C# Equivalent of SQL Server DataTypes
...
1132
This is for SQL Server 2005. There are updated versions of the table for SQL Server 2008, SQL S...
What is the most effective way for float and double comparison?
...r Hickey
30.2k1818 gold badges118118 silver badges223223 bronze badges
answered Aug 20 '08 at 2:14
OJ.OJ.
26.7k55 gold badges5252 ...
Using node.js as a simple web server
...ight-server
Add to your directory context menu in Windows Explorer
reg.exe add HKCR\Directory\shell\LightServer\command /ve /t REG_EXPAND_SZ /f /d "\"C:\nodejs\light-server.cmd\" \"-o\" \"-s\" \"%V\""
Simple JSON REST server
If you need to create a simple REST server for a prototype project t...
np.mean() vs np.average() in Python NumPy?
... axes 0 and 1, I get wildly incorrect results unless I specify dtype='float64':
>T.shape
(4096, 4096, 720)
>T.dtype
dtype('<f4')
m1 = np.average(T, axis=(0,1)) # garbage
m2 = np.mean(T, axis=(0,1)) # the same garbage
m3 = np.mean(T, axis=(0,1), dtype='fl...
What does a just-in-time (JIT) compiler do?
... run.
To paraphrase, conventional compilers build the whole program as an EXE file BEFORE the first time you run it. For newer style programs, an assembly is generated with pseudocode (p-code). Only AFTER you execute the program on the OS (e.g., by double-clicking on its icon) will the (JIT) compil...
Why do all browsers' user agents start with “Mozilla/”?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...int64_t start;
uint64_t end;
int __d0;
asm volatile ("rdtsc\n\tshl $32, %%rdx\n\tor %%rdx, %0" : "=a" (start) : : "%rdx");
mutex.lock();
mutex.unlock();
asm volatile ("rdtsc\n\tshl $32, %%rdx\n\tor %%rdx, %0" : "=a" (end) : : "%rdx");
asm volatile ("\n1:\n\tdecl %%ecx\n\tjnz 1b" : "=c...
Convert SVG to image (JPEG, PNG, etc.) in the browser
...
var img = canvas.toDataURL("image/png");
// do what you want with the base64, write to screen, post to server, etc...
});
share
|
improve this answer
|
follow
...