大约有 42,000 项符合查询结果（耗时：0.0274秒） [XML]
Modulo operation with negative numbers
...
Should the compiler be smart enough and detect that an unsigned modulo another unsigned is always positive? Currently (well, GCC 5.2) the compiler seems to think that "%" returns an "int" in this case, rather than "unsigned" even when both operands are uint32_...
diff to output only the file names
I'm looking to run a Linux command that will recursively compare two directories and output only the file names of what is different. This includes anything that is present in one directory and not the other or vice versa, and text differences.
...
Best way to represent a fraction in Java?
...too long ago, for Project Euler problems. It keeps a BigInteger numerator and denominator, so it'll never overflow. But it'll be a tad slow for a lot of operations that you know will never overflow.. anyway, use it if you want it. I've been dying to show this off somehow. :)
Edit: Latest and gre...
Random float number generation
How do I generate random floats in C++?
14 Answers
14
...
Bulk insert with SQLAlchemy ORM
...
I tried this with sqlachemy 1.0.11 and it still makes 3 insert statements. But it is a lot faster than normal orm operations.
– zidarsk8
Oct 7 '16 at 21:12
...
BeautifulSoup Grab Visible Webpage Text
... visible text on a webpage. For instance, this webpage is my test case. And I mainly want to just get the body text (article) and maybe even a few tab names here and there. I have tried the suggestion in this SO question that returns lots of <script> tags and html comments which I don't...
Create a string with n characters
...the better when it comes to execution since it avoids checking each for \0 and simply assigns the space.
– Bouncner
Jan 17 '13 at 16:32
1
...
Postgres and Indexes on Foreign Keys and Primary Keys
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
...
How to format numbers as currency string?
...ce in JavaScript. I'd like a function which takes a float as an argument and returns a string formatted like this:
66 A...
What's the difference between :: (double colon) and -> (arrow) in PHP?
...to access instance members).
In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static to its left. parent refers to the scope of the superclass of the class where it's used; self refers to the scope of the class where it's used; static r...