大约有 25,300 项符合查询结果（耗时：0.0448秒） [XML]
Why use AJAX when WebSockets is available?
...WebSockets for a while now, I have chosen to create an Agile project management tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process.
...
What is the boundary in multipart/form-data?
...
No. HTML has nothing to do with that. Read below.
Is it possible for me to define the ??? as abcdefg?
Yes.
If you want to send the following data to the web server:
name = John
age = 12
using application/x-www-form-urlencoded would be like this:
name=John&age=12
As you can see, th...
Providing white space in a Swing GUI
...uctor : BorderLayout(int horizontalGap, int verticalGap)
Getter and setter methods
For Horizontal Spacing : BorderLayout.getHgap() and BorderLayout.setHgap(int hgap)
For Vertical Spacing : BorderLayout.getVgap() and BorderLayout.setVgap()
2.) FlowLayout :
Overloaded Constructor : FlowLayout(i...
What is a Context Free Grammar?
Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are?
...
Understanding reference counting with Cocoa and Objective-C
... with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not over the hump yet.
...
Convert .pem to .crt and .key
Can anyone tell me the correct way/command to extract/convert the certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how.
...
Common MySQL fields and their appropriate data types
I am setting up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as...
Understanding the transclude option of directive definition?
I think this is one of the hardest concept for me to understand with angularjs's directive.
6 Answers
...
Best way to get child nodes
I was wondering, JavaScript offers a variety of methods to get the first child element from any element, but which is the best? By best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
...
How do I make a textarea an ACE editor?
...pdate textarea using .getSession() function instead.
html
<textarea name="description"/>
<div id="description"/>
js
var editor = ace.edit("description");
var textarea = $('textarea[name="description"]').hide();
editor.getSession().setValue(textarea.val());
editor.getSession().on('ch...