大约有 47,000 项符合查询结果（耗时：0.0512秒） [XML]
Insert new item in array on any position in PHP
...( $original, 3, 0, $inserted ); // splice in at position 3
// $original is now a b c x d e
If replacement is just one element it is not necessary to put array() around it, unless the element is an array itself, an object or NULL.
...
How to print a dictionary line by line in Python?
...
I know this is old, but I thought it would be worth mentioning that this doesn't work if cars[x] is integers. It isn't what the OP was requesting, so I'm just saying it for anybody that stumbles upon this assuming it's a blanket...
Creating a daemon in Linux
...essful. -> Because the parent process has terminated, the child process now runs in the background.
setsid - Create a new session. The calling process becomes the leader of the new session and the process group leader of the new process group. The process is now detached from its controlling term...
How can I autoplay a video using the new embed code style for Youtube?
...
This doesn't appear to work as of right now. It worked perfectly 1 week ago.
– Peeja
Feb 18 '14 at 15:36
23
...
How can I validate a string to only allow alphanumeric characters in it?
...
I detest regular expressions. I know that I will never remember the syntax. Even if I study it, there will come a time soon when it's all forgotten again.
– Sentinel
Jan 14 '15 at 17:26
...
What's the difference between isset() and array_key_exists()? [duplicate]
...ing out why a script was taking over 300s to execute. switched to isset(), now executes in less than 3s.
– celwell
Jul 12 '13 at 1:21
22
...
How to extract a git subdirectory and make a submodule out of it?
...
Nowadays there's a much easier way to do it than manually using git filter-branch: git subtree
Installation
NOTE git-subtree is now part of git (if you install contrib) as of 1.7.11, so you might already have it installed. ...
What scalability problems have you encountered using a NoSQL data store? [closed]
... requests without locking anything was already enough to serve the needs.
Now, the quickly written CouchDB-traceback logger is still running and is a helpful way to explore bugs on the main website. Anyway, about once a month the database becomes too big and the CouchDB process gets killed. But the...
Convenient C++ struct initialisation
I'm trying to find a convenient way to initialise 'pod' C++ structs. Now, consider the following struct:
13 Answers
...
Enum String Name from Value
...
@AZChad it is a great thing to know, sure; but it doesn't really apply in the OP's scenario, since the values are coming from a database (so: runtime, not compile-time, values)
– Marc Gravell♦
Nov 29 '18 at 12:52
...