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Jquery insert new row into table at a certain index
...$('#my_table > tbody:last').append(newRow); // this will add new row inside tbody
$("table#myTable tr").last().after(newRow); // this will add new row outside tbody
//i.e. between thead and tbody
//.befor...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
I have read a bit on this, but I can't seem to find anything solid about how different browsers treat things.
5 Answers
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OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...sy_list_t session_list_node;
//为了快速根据packet id定位到发送队列中的session，将session加入到发送队列中时，同时，将其加入到一个hash表中，hash表采用链表的方式将同一个bucket的元素连接起来，
//链表元素就是easy_...
NSInvocation for Dummies?
...ting an NSInvocation object to say: "Hey, if you want to undo what I just did, send this message to that object, with these arguments". You give the NSInvocation object to the NSUndoManager, and it adds that object to an array of undoable actions. If the user calls "Undo", NSUndoManager simply looks...
What is the difference between class and instance methods?
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Like most of the other answers have said, instance methods use an instance of a class, whereas a class method can be used with just the class name. In Objective-C they are defined thusly:
@interface MyClass : NSObject
+ (void)aClassMethod;
- (void)anInstanceMe...
Escape text for HTML
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Didn't see this here
System.Web.HttpUtility.JavaScriptStringEncode("Hello, this is Satan's Site")
it was the only thing that worked (asp 4.0+) when dealing with html like this. The' gets rendered as ' (using htmlde...
User recognition without cookies or local storage
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Introduction
If I understand you correctly, you need to identify a user for whom you don't have a Unique Identifier, so you want to figure out who they are by matching Random Data. You can't store the user's identity reliably because:
Cookies Can be deleted
IP address Can change...
jQuery.ajax handling continue responses: “success:” vs “.done”?
...index').done(function(data) {
// do stuff with index data
});
xhr_get('/id').done(function(data) {
// do stuff with id data
});
An important benefit of this in terms of maintainability is that you've wrapped your ajax mechanism in an application-specific function. If you decide you need your ...
How to properly add cross-site request forgery (CSRF) token using PHP
...ecurity code, please don't generate your tokens this way: $token = md5(uniqid(rand(), TRUE));
rand() is predictable
uniqid() only adds up to 29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Try this out:
Generating a CSRF Token
PHP 7
session_start();
if (empty(...
How to get orientation-dependent height and width of the screen?
I'm trying to programmatically determine the current height and width of my application. I use this:
11 Answers
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