大约有 10,000 项符合查询结果（耗时：0.0238秒） [XML]
How to run a command before a Bash script exits?
...e of using trap:
#!/bin/bash -e
function cleanup {
echo "Removing /tmp/foo"
rm -r /tmp/foo
}
trap cleanup EXIT
mkdir /tmp/foo
asdffdsa #Fails
Output:
dbrown@luxury:~ $ sh traptest
t: line 9: asdffdsa: command not found
Removing /tmp/foo
dbrown@luxury:~ $
Notice that even though the asdf...
How to 'git pull' into a branch that is not the current one?
...pdate, and pull Git branches without using checkouts
# Merge local branch foo into local branch master,
# without having to checkout master first.
# Here `.` means to use the local repository as the "remote":
git fetch . foo:master
# Merge remote branch origin/foo into local branch foo,
# without ...
jQuery posting JSON
...er what happens when your data contains, for instance, a list of things: { foo: [1,2,3], bar: 'baz' }. This will get form-encoded as foo%5B%5D=1&foo%5B%5D=2&foo%5B%5D=3&bar=baz (unescaped, it's foo[]=1&foo[]=2&foo[]=3&bar=baz). Likely not what you want server-side.
...
How do I determine the size of an object in Python?
... casually (I should unittest it):
>>> getsize(['a', tuple('bcd'), Foo()])
344
>>> getsize(Foo())
16
>>> getsize(tuple('bcd'))
194
>>> getsize(['a', tuple('bcd'), Foo(), {'foo': 'bar', 'baz': 'bar'}])
752
>>> getsize({'foo': 'bar', 'baz': 'bar'})
400
>&...
How to send a “multipart/form-data” with requests in python?
...gt;>> response = requests.post('http://httpbin.org/post', files=dict(foo='bar'))
>>> response.status_code
200
and httpbin.org lets you know what headers you posted with; in response.json() we have:
>>> from pprint import pprint
>>> pprint(response.json()['headers'...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
... For example:
@verbatim
const char* value = ele->Attribute( "foo" );
@endverbatim
The 'value' parameter is normally null. However, if specified,
the attribute will only be returned if the 'name' and 'value'
match. This allow you to write code:
@verbati...
Is module __file__ attribute absolute or relative?
...
got it, but @agf, if i use python /foo/abc.py from /home, I suppose the part of sys.path that contains the module is /home/foo and my current directory is /home/, why does print file gives me a relative path?
– goh
Aug 19...
Simple explanation of clojure protocols
...tiple functions together and say "these 3 functions together form Protocol Foo". You cannot do that with Multimethods, they always stand on their own. For example, you could declare that a Stack Protocol consists of both a push and a pop function together.
So, why not just add the capability to gro...
Why doesn't os.path.join() work in this case?
...s, the drive letter is not reset when an absolute path component (e.g., r'\foo') is encountered. If a component contains a drive letter, all previous components are thrown away and the drive letter is reset. Note that since there is a current directory for each drive, os.path.join("c:", "foo") repre...
Listing all permutations of a string/integer
... my experience of interviews though) is to take a string or an integer and list every possible permutation.
28 Answers
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