大约有 38,000 项符合查询结果（耗时：0.0577秒） [XML]
How do I make JavaScript beep?
...
I wrote a function to beep with the new Audio API.
var beep = (function () {
var ctxClass = window.audioContext ||window.AudioContext || window.AudioContext || window.webkitAudioContext
var ctx = new ctxClass();
return function (duration, type, finishedCallb...
How to format numbers as currency string?
...format
Javascript has a number formatter (part of the Internationalization API).
// Create our number formatter.
var formatter = new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
// These options are needed to round to whole numbers if that's what you want.
//minimumFract...
How do I execute a command and get the output of the command within C++ using POSIX?
...
I disagree. popen requires you to use the C stdio API, I prefer the iostreams API. popen requires you to manually clean up the FILE handle, pstreams do that automatically. popen only accepts a const char* for the argument, which requires care to avoid shell injection attacks...
What is a segmentation fault?
...ssible for someone else to mess with your memory. In WIN32 there are nasty API's like 'WriteProcessMemory' too!
– paulm
Feb 17 '14 at 23:46
1
...
Disabling Strict Standards in PHP 5.4
...
.htaccess php_value is working only if you use PHP Server API as module of Web server Apache.
Use IfModule syntax:
# PHP 5, Apache 1 and 2.
<IfModule mod_php5.c>
php_value error_reporting 30711
</IfModule>
If you use PHP Server API CGI/FastCGI use
ini_set('error_...
PopupWindow - Dismiss when clicked outside
...ese look like temporary workaround not guaranteed to be supported in newer API versions.
– HAL9000
Dec 9 '13 at 14:09
...
Type definition in object literal in TypeScript
...tal null/undefined access:
const state = {
instance: null as null | ApiService,
// OR
// instance: undefined as undefined | ApiService,
};
const useApi = () => {
// If I try to use it here, the type system requires a safe way to access it
// Simple lazy-initialization
...
HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS
...TP to HTTPS (not the other way around). This is just a typically bad Java API.
– Glenn Maynard
Mar 27 '16 at 6:34
|
show 4 more comments
...
How to have stored properties in Swift, the same way I had on Objective-C?
...
Associated objects API is a bit cumbersome to use. You can remove most of the boilerplate with a helper class.
public final class ObjectAssociation<T: AnyObject> {
private let policy: objc_AssociationPolicy
/// - Parameter poli...
How to compute the similarity between two text documents?
... @curious: I updated the example code to the current scikit-learn API; you might want to try the new code.
– Fred Foo
Jan 14 '13 at 15:34
|
...