大约有 1,832 项符合查询结果（耗时：0.0192秒） [XML]
How to find the operating system version using JavaScript?
...
Of course (Windows NT 6.2) See this link bitbucket.org/cat_in_136/configuration-mania/src/…
– kaissun
Apr 1 '13 at 15:09
11
...
Why call git branch --unset-upstream to fixup?
... right commit hash from the server and ran the following command locally:
cat .git/refs/remotes/origin/feature/mybranch \
echo 1edf9668426de67ab764af138a98342787dc87fe \
>> .git/refs/remotes/origin/feature/mybranch
s...
How to port data-only volumes from one host to another?
... up: remove exited container used for export and temporary file
docker rm `cat id.tmp` && rm -f id.tmp
share
|
improve this answer
|
follow
|
...
What is an “unwrapped value” in Swift?
...
Example:
var canBeNil : Int? = 4
canBeNil = nil
The question mark indicates the fact that canBeNil can be nil.
This would not work:
var cantBeNil : Int = 4
cantBeNil = nil // can't do this
To get the value from your variable if it is optional, you have to unwrap it. This just means putting ...
File input 'accept' attribute - is it useful?
...pes.
Usage
Note: These examples were written based on the current specification and may not actually work in all (or any) browsers. The specification may also change in the future, which could break these examples.
h1 { font-size: 1em; margin:1em 0; }
h1 ~ h1 { border-top: 1px solid #ccc; pa...
Why are these constructs using pre and post-increment undefined behavior?
...avior of actions that wouldn't be needed in high-end number crunching.applications. Rather than try to complicate the Standard...
– supercat
Dec 17 '17 at 23:12
3
...
How many socket connections can a web server handle?
Say if I was to get shared, virtual or dedicated hosting, I read somewhere a server/machine can only handle 64,000 TCP connections at one time, is this true? How many could any type of hosting handle regardless of bandwidth? I'm assuming HTTP works over TCP.
...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...is best practice to have a text file always end with a linefeed. otherwise cat file garbles your command line and subversion complains. vi always appends one.
– user829755
May 20 '13 at 17:10
...
Does JavaScript have the interface type (such as Java's 'interface')?
...of 'JavaScript design patterns' by Dustin Diaz. There's a few chapters dedicated to implementing JavaScript interfaces through Duck Typing. It's a nice read as well. But no, there's no language native implementation of an interface, you have to Duck Type.
// example duck typing method
var hasMethod...
Is it safe to parse a /proc/ file?
...
Also, __proc_file_read() is deprecated in favor of seq_file. See the rather exasperated-sounding comment (by Linus) just above the long block comment.
– Greg Price
May 4 '11 at 20:57
...