大约有 42,000 项符合查询结果(耗时:0.0587秒) [XML]
What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
...
class
What does class << self do in Ruby ?
6 Answers
6
...
Are Mutexes needed in javascript?
I have seen this link: Implementing Mutual Exclusion in JavaScript .
On the other hand, I have read that there are no threads in javascript, but what exactly does that mean?
...
When you exit a C application, is the malloc-ed memory automatically freed?
Let's say I have the following C code:
9 Answers
9
...
How do you set a default value for a MySQL Datetime column?
How do you set a default value for a MySQL Datetime column?
25 Answers
25
...
How to overload __init__ method based on argument type?
Let's say I have a class that has a member called data which is a list.
10 Answers
1...
Rule-of-Three becomes Rule-of-Five with C++11?
So, after watching this wonderful lecture on rvalue references, I thought that every class would benefit of such a "move constructor", template<class T> MyClass(T&& other) edit and of course a "move assignment operator", template<class T> MyClass& operator=(T&&...
How to create an object property from a variable value in JavaScript? [duplicate]
I want to add a new property to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
...
jQuery: Select data attributes that aren't empty?
I'm trying to select all elements that have a data-go-to attribute that is not empty.
11 Answers
...
Is a Python dictionary an example of a hash table?
One of the basic data structures in Python is the dictionary, which allows one to record "keys" for looking up "values" of any type. Is this implemented internally as a hash table? If not, what is it?
...