大约有 47,000 项符合查询结果（耗时：0.0851秒） [XML]
What does “dereferencing” a pointer mean?
...ring to the second byte in the process's memory, 2 the third, 3 the fourth and so on....
What happened to 0 and the first byte? Well, we'll get to that later - see null pointers below.
For a more accurate definition of what pointers store, and how memory and addresses relate, see "More about memo...
Logical XOR operator in C++?
...
Note that this only works for booleans. And ^ would work perfectly well there. 2 !=1 => 1 which is not what you want! as LiraNuna says, putting a ! infront of both sides solves that problem. but again, then you can use bitwise ^...
– Brian...
How to get the first and last date of the current year?
Using SQL Server 2000, how can I get the first and last date of the current year?
18 Answers
...
Can you add new statements to Python's syntax?
...ent to Python, quoted here:
This article is an attempt to better understand how the front-end of Python works. Just reading documentation and source code may be a bit boring, so I'm taking a hands-on approach here: I'm going to add an until statement to Python.
All the coding for this article wa...
append to url and refresh page
...rite a piece of javascript that will append a parameter to the current url and then refresh the page - how can I do this?
9...
Check if pull needed in Git
How do I check whether the remote repository has changed and I need to pull?
24 Answers
...
Implement Stack using Two Queues
...eue1 is bigger than 1, pipe dequeued items from queue1 into queue2
dequeue and return the last item of queue1, then switch the names of queue1 and queue2
Version B (efficient pop):
push:
enqueue in queue2
enqueue all items of queue1 in queue2, then switch the names of queue1 and queue2
pop:
...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
... there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery?
...
What exactly is RESTful programming?
... it was originally envisioned. Lookups should use GET requests. PUT, POST, and DELETE requests should be used for mutation, creation, and deletion respectively.
REST proponents tend to favor URLs, such as
http://myserver.com/catalog/item/1729
but the REST architecture does not require these "pre...
Is there a wikipedia API just for retrieve content summary?
...lagship site of the Stack Exchange Network, created in 2008 by Jeff Atwood and Joel Spolsky, as a more open alternative to earlier Q&A sites such as Experts Exchange. The name for the website was chosen by voting in April 2008 by readers of Coding Horror, Atwood's popular programming blog.\nIt f...