大约有 45,000 项符合查询结果（耗时：0.0516秒） [XML]
max value of integer
In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767.
In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647.
...
Which HTML5 reset CSS do you use and why? [closed]
...
Real talk: Despite the markdowns kaikai is right, you only need to reset *padding & margin to 0.
Though unfortunately 99% of us do not have resources or man power to keep up with the hundreds of browser versions out there. So a reset s...
How do you use “
...
<<- is most useful in conjunction with closures to maintain state. Here's a section from a recent paper of mine:
A closure is a function written by another function. Closures are so called because they enclose the environment of the parent function, and can ...
Why can't I push to this bare repository?
Can you explain what is wrong with this workflow?
6 Answers
6
...
Should I use alias or alias_method?
...ample given in that blog post, I simply want to alias a method to another within the same class. Which should I use? I always see alias used, but someone told me alias_method is better.
...
How do I check if an integer is even or odd? [closed]
...r when dividing by 2:
if (x % 2) { /* x is odd */ }
A few people have criticized my answer above stating that using x & 1 is "faster" or "more efficient". I do not believe this to be the case.
Out of curiosity, I created two trivial test case programs:
/* modulo.c */
#include <stdio.h&g...
Primary key or Unique index?
At work we have a big database with unique indexes instead of primary keys and all works fine.
15 Answers
...
How to apply bindValue method in LIMIT clause?
...r having this problem before. Cast the value to an integer before passing it to the bind function. I think this solves it.
$fetchPictures->bindValue(':skip', (int) trim($_GET['skip']), PDO::PARAM_INT);
share
...
abort: no username supplied (see “hg help config”)
I have added repository and at the time of commit I get error as
6 Answers
6
...
Copy file or directories recursively in Python
...hutil.copytree ) but I haven't found any function that handles both. Sure, it's trivial to check whether you want to copy a file or a directory, but it seems like a strange omission.
...