大约有 42,000 项符合查询结果（耗时：0.0816秒） [XML]
NSObject +load and +initialize - What do they do?
... interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
...
How do I provide custom cast support for my class?
How do I provide support for casting my class to other types? For example, if I have my own implementation of managing a byte[] , and I want to let people cast my class to a byte[] , which will just return the private member, how would I do this?
...
How do you work with an array of jQuery Deferreds?
...jects. As the user navigates the application, data objects are loaded, validated against the schema, and displayed. As the user CRUDs the data, the schemas provide first-pass validation.
...
Python: Bind an Unbound Method?
...by calling their __get__ method:
bound_handler = handler.__get__(self, MyWidget)
Here's R. Hettinger's excellent guide to descriptors.
As a self-contained example pulled from Keith's comment:
def bind(instance, func, as_name=None):
"""
Bind the function *func* to *instance*, with eith...
Change timestamps while rebasing git branch
... alias? Maybe the --ignore-date was introduced in later version, I have no idea.
– Michael Krelin - hacker
Oct 16 '09 at 20:06
2
...
Hibernate openSession() vs getCurrentSession()
... edited Jun 17 '15 at 13:54
Siddharth
8,7191111 gold badges7474 silver badges129129 bronze badges
answered Nov 8 '11 at 10:49
...
What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
...
A key-value store provides the simplest possible data model and is exactly what the name suggests: it's a storage system that stores values indexed by a key. You're limited to query by key and the values are opaque, the store doesn't know anything...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...tice this is true not just for NSLog statements, which are just debugging aids after all, but also for [NSString stringWithFormat:] and the various derived messages, which are legitimate elements of production code.
share
...
Unicode, UTF, ASCII, ANSI format differences
...e format of strings in .NET, and generally in Windows and Java. Values outside the Basic Multilingual Plane (BMP) are encoded as surrogate pairs. These used to be relatively rarely used, but now many consumer applications will need to be aware of non-BMP characters in order to support emojis.
UTF-8:...
In Python, how do I create a string of n characters in one line of code?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...