大约有 43,000 项符合查询结果（耗时：0.0531秒） [XML]
Bash if [ false ] ; returns true
Been learning bash this week and ran into a snag.
6 Answers
6
...
When are you truly forced to use UUID as part of the design?
I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible.
...
Why is there a `null` value in JavaScript?
In JavaScript, there are two values which basically say 'I don't exist' - undefined and null .
12 Answers
...
What is a “slug” in Django?
When I read Django code I often see in models what is called a "slug". I am not quite sure what this is, but I do know it has something to do with URLs. How and when is this slug-thing supposed to be used?
...
Should I use char** argv or char* argv[]?
I'm just learning C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common?
...
Convert a matrix to a 1 dimensional array
I have a matrix (32X48).
10 Answers
10
...
Passing a 2D array to a C++ function
I have a function which I want to take, as a parameter, a 2D array of variable size.
15 Answers
...
Is an anchor tag without the href attribute safe?
Is it okay to use an anchor tag without including the href attribute, and instead using a JavaScript click event handler? So I would omit the href completely, not even have it empty ( href="" ).
...
Clone Object without reference javascript [duplicate]
I have a big object with much data. And i want to clone this in other variable. When i set some param of the instance B has the same result in the original object:
...
Skip List vs. Binary Search Tree
I recently came across the data structure known as a skip list . It seems to have very similar behavior to a binary search tree.
...