大约有 40,000 项符合查询结果（耗时：0.0494秒） [XML]
How to find the mime type of a file in python?
...this.
# For MIME types
import magic
mime = magic.Magic(mime=True)
mime.from_file("testdata/test.pdf") # 'application/pdf'
share
|
improve this answer
|
follow
...
Using pip behind a proxy with CNTLM
...http://web-proxy.mydomain.com install somepackage
But exporting the https_proxy environment variable (note its https_proxy not http_proxy) did the trick:
export https_proxy=http://web-proxy.mydomain.com
then
sudo -E pip install somepackage
...
Why charset names are not constants?
... Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use Charset.UTF8 ?
...
Get the name of the currently executing method
...
Even better than my first answer you can use __method__:
class Foo
def test_method
__method__
end
end
This returns a symbol – for example, :test_method. To return the method name as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
...
Why not use exceptions as regular flow of control?
To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will.
24 Answers
...
Best practice: ordering of public/protected/private within the class definition?
...ode too much probably needs to be balanced with forcing the reader to read all the nitty-gritty detail of private methods. The newspaper metaphor is probably misunderstood in that your public methods should represent broadly what your class does, and your private methods supply the details (almost l...
WPF: Setting the Width (and Height) as a Percentage Value
...ignment="Stretch" ...
That will make the Textbox element stretch horizontally and fill all the parent space horizontally (actually it depends on the parent panel you're using but should work for most cases).
Percentages can only be used with grid cell values so another option is to create a grid ...
JavaScript chop/slice/trim off last character in string
...viously using the substring version. Thanks!
– Matt Ball
Apr 13 '10 at 14:09
33
forgive me if I'm...
Why {} + {} is NaN only on the client side? Why not in Node.js?
...le._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null);
expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expression + "\n}";
}
var result = evalFunction.call(object, expression...
Call int() function on every list element?
...for. The advantage of a generator is that if you might not need to look at all elements then you won't have to waste time calculating them in advance.
– Mark Byers
Jul 30 '10 at 12:27
...