大约有 40,000 项符合查询结果（耗时：0.0568秒） [XML]
PHP random string generator
...
To answer this question specifically, two problems:
$randstring is not in scope when you echo it.
The characters are not getting concatenated together in the loop.
Here's a code snippet with the corrections:
function generateRandomString($length = 10)...
javascript toISOString() ignores timezone offset [duplicate]
...u. Just a note: it does keep "Z" at the end of the string, which is technically wrong, but easy to edit out.
– Steve Gon
Feb 7 '19 at 19:22
2
...
Why is there a difference in checking null against a value in VB.NET and C#?
...I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring the behaviour of NULL in (most if not all) SQL databases. This is also a more standard (than C#'s) interpretation of three-valued logic, as expl...
How do you read from stdin?
I'm trying to do some of the code golf challenges, but they all require the input to be taken from stdin . How do I get that in Python?
...
Rails 3 execute custom sql query without a model
...
antant
21.1k3232 gold badges121121 silver badges173173 bronze badges
...
TCP: can two different sockets share a port?
...
A server socket listens on a single port. All established client connections on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the combination of client-side and serv...
Creating functions in a loop
...rtelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
7
...
What is the meaning of the /dist directory in open source projects?
Since I first saw a dist/ directory in many open source projects, usually on GitHub, I've been wondering what it means.
4...
How to increase the Java stack size?
I asked this question to get to know how to increase the runtime call stack size in the JVM. I've got an answer to this, and I've also got many useful answers and comments relevant to how Java handles the situation where a large runtime stack is needed. I've extended my question with the summary of ...
What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
...fNeeded and layoutSubviews methods? And an example implementation where all three would be used. Thanks.
2 Answers
...