大约有 40,700 项符合查询结果（耗时：0.0312秒） [XML]
How to correctly use the extern keyword in C
My question is about when a function should be referenced with the extern keyword in C.
10 Answers
...
What does 'predicate' mean in the context of computer science? [duplicate]
...
It is a term most commonly used in the field of Mathematical Logic.
From wikipedia
In mathematics, a predicate is either a relation or the boolean-valued function that amounts to the characteristic function or the indicator fun...
What is the meaning of “$” sign in JavaScript
In the following JavaScript code there is a dollar ( $ ) sign. What does it mean?
7 Answers
...
Naming conventions for java methods that return boolean(No question mark)
... end of method/function names in other languages. Java doesn't let me do this. As a workaround how else can I name boolean returning methods in Java? Using an is , has , should , can in the front of a method sound okay for some cases. Is there a better way to name such methods?
...
Detect Click into Iframe using JavaScript
I understand that it is not possible to tell what the user is doing inside an iframe if it is cross domain. What I would like to do is track if the user clicked at all in the iframe . I imagine a scenario where there is an invisible div on top of the iframe and the the div will just then ...
Should switch statements always contain a default clause?
...nclude a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now.
...
How can I develop for iPhone using a Windows development machine?
Is there any way to tinker with the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows?
...
Why do std::shared_ptr work
...:shared_ptr to perform arbitrary cleanup at shutdown. At first I thought this code could not possibly work, but then I tried the following:
...
Specifically, what's dangerous about casting the result of malloc?
Now before people start marking this a dup, I've read all the following, none of which provide the answer I'm looking for:
...
How does a public key verify a signature?
... understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
...