大约有 42,000 项符合查询结果（耗时：0.0619秒） [XML]
No == operator found while comparing structs in C++
...han: Why would C++ know how you want to compare your structs for equality? And if you want the simple way, there's always memcmp so long your structs don't contain pointer.
– Xeo
Apr 21 '11 at 6:59
...
Using tags in the with other HTML
...upposed to generate some data structure using all the css styles on a page and use that for rendering?
11 Answers
...
What's the difference between a method and a function?
... called by name. It can be passed data to operate on (i.e. the parameters) and can optionally return data (the return value). All data that is passed to a function is explicitly passed.
A method is a piece of code that is called by a name that is associated with an object. In most respects it is id...
Why should hash functions use a prime number modulus?
...g the "component parts" of the input (characters in the case of a string), and multiplying them by the powers of some constant, and adding them together in some integer type. So for example a typical (although not especially good) hash of a string might be:
(first char) + k * (second char) + k^2 * ...
Join vs. sub-query
I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
...
Hibernate, @SequenceGenerator and allocationSize
...nce by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
6 Answers...
Exception thrown in catch and finally clause
...
Based on reading your answer and seeing how you likely came up with it, I believe you think an "exception-in-progress" has "precedence". Keep in mind:
When an new exception is thrown in a catch block or finally block that will propagate out of that blo...
How do you manage your gists on GitHub? [closed]
I love GitHub and their gist service, and that's why I'm keeping a lot of code snippets and even development notes as a gist on my GitHub account. It also makes it easy to share them with my colleagues.
...
Listing and deleting Git commits that are under no branch (dangling?)
...up by git gc.
Expiry is regulated by the gc.pruneexpire, gc.reflogexpire, and gc.reflogexpireunreachable settings. Cf. git help config.
The defaults are all quite reasonable.
share
|
improve this ...
What exactly is nullptr?
We now have C++11 with many new features. An interesting and confusing one (at least for me) is the new nullptr .
14 Answe...