大约有 20,000 项符合查询结果（耗时：0.0348秒） [XML]
What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...ack naming convention and find it easy to remember, as it goes in the same order as the phrase: "like finding a needle (1) in a haystack (2)"
– rybo111
Aug 1 '14 at 9:39
...
How do I remove all specific characters at the end of a string in PHP?
...
$output = rtrim($string, '.');
(Reference: rtrim on PHP.net)
share
|
improve this answer
|
follow
|
...
PHP - Move a file into a different folder on the server
... they no longer want them. I was previously using the unlink function in PHP but have since been told that this can be quite risky and a security issue. (Previous code below:)
...
How do I execute a string containing Python code in Python?
...ntered code. You should always look at alternatives first, such as higher order functions, to see if these can better meet your needs.
share
|
improve this answer
|
follow
...
How do you use bcrypt for hashing passwords in PHP?
Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules".
11 Answers
...
How to exit in Node.js
...hink of Node as the server itself. It isn't just fired up as needed, like PHP is within a web server like Apache. Node doesn't even have to have anything to do with web servers at all! It's just a host for some JavaScript, with some nifty built-in libraries for doing useful things.
...
List of Big-O for PHP functions
After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes.
...
Can't use method return value in write context
...
empty() needs to access the value by reference (in order to check whether that reference points to something that exists), and PHP before 5.5 didn't support references to temporary values returned from functions.
However, the real problem you have is that you use empty() at ...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...MongoDB是如何使用内存的，答案自然就清楚了。
据说带着问题学习更有效，那就先看一个MongoDB服务器的top命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...MongoDB是如何使用内存的，答案自然就清楚了。
据说带着问题学习更有效，那就先看一个MongoDB服务器的top命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used...