大约有 43,000 项符合查询结果(耗时:0.0383秒) [XML]
Copy a variable's value into another
... the answers are so complex. In Javascript, primitives (strings, numbers, etc) are passed by value, and copied. Objects, including arrays, are passed by reference. In any case, assignment of a new value or object reference to 'a' will not change 'b'. But changing the contents of 'a' will change ...
Socket.IO - how do I get a list of connected sockets/clients?
...this doesn't work for me but returns an array of Integers, like 0, 1 and 2 etc instead of an array of sockets. Any ideas?
– ThePixelPony
Sep 20 '14 at 7:09
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C Macro definition to determine big endian or little endian machine?
...ssor conditional directives based on platform detection like #ifdef _WIN32 etc.
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On design patterns: When should I use the singleton?
...request for the same resource.
Or a database connection or a file manager etc.
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Can a for loop increment/decrement by more than one?
...ep size. For instance, i++ means increment by 1. i+=2 is same as i=i+2,... etc.
Example:
let val= [];
for (let i = 0; i < 9; i+=2) {
val = val + i+",";
}
console.log(val);
Expected results: "2,4,6,8"
'i' can be any floating point or whole number depending on the desired step size.
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How can I use PHP to dynamically publish an ical file to be read by Google Calendar?
...the .ics file should contain as far as header, where to put the MIME type, etc?
– rhodesjason
Sep 23 '09 at 1:26
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How can I control the width of a label tag?
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Inline elements (like SPAN, LABEL, etc.) are displayed so that their height and width are calculated by the browser based on their content. If you want to control height and width you have to change those elements' blocks.
display: block; makes the element di...
NSNotificationCenter addObserver in Swift
...velDidChange, .UIApplicationDidFinishLaunching, .UITextFieldTextDidChange, etc.
You can extend Notification.Name with your own custom notifications in order to stay consistent with the system notifications:
// Definition:
extension Notification.Name {
static let yourCustomNotificationName = No...
Android - implementing startForeground for a service?
...r(this)
.setSmallIcon(R.mipmap.app_icon)
.setContentTitle("My Awesome App")
.setContentText("Doing some work...")
.setContentIntent(pendingIntent).build();
startForeground(1337, notification);
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WKWebView in Interface Builder
...ng auto-layout constraints, linking the view to an outlet in a controller, etc).
Finally, WKWebView scales content differently to UIWebView. Many people are likely going to want to follow the simple advice in Suppress WKWebView from scaling content to render at same magnification as UIWebView does ...
