大约有 47,000 项符合查询结果（耗时：0.0642秒） [XML]
How to create a custom string representation for a class object?
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Ignacio Vazquez-Abrams' approved answer is quite right. It is, however, from the Python 2 generation. An update for the now-current Python 3 would be:
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object, metaclass=MC):
pass
print(C)
If you want code that runs acr...
What does “&” at the end of a linux command mean?
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The & makes the command run in the background.
From man bash:
If a command is terminated by the control operator &, the shell
executes the command in the background in a subshell. The shell does
not wait for the command to finish, and
the return st...
How can I verify if one list is a subset of another?
...lookup table can be anything that performs best. The dynamic one is a dict from which we extract the keys to perform a static lookup on. Will this fact alter the solution?
– IUnknown
May 18 '13 at 1:41
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How do I make an HTTP request in Swift?
...eferred.
Using URLSession
Initialize a URL object and a URLSessionDataTask from URLSession. Then run the task with resume().
let url = URL(string: "http://www.stackoverflow.com")!
let task = URLSession.shared.dataTask(with: url) {(data, response, error) in
guard let data = data else { return }
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Reading/writing an INI file
...ly like the same as what I've used for the past um-years of .Net. Upgraded from old code years ago.
– Damian
Jan 12 '17 at 15:03
11
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NodeJS require a global module/package
... depend on where your global modules are actually installed.
See: Loading from the global folders.
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Working with Enums in android
... The syntax in the question is the kind one might come up with from using a decompiler.
– Dan Getz
Jun 8 '16 at 20:26
10
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Lists in ConfigParser
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There is nothing stopping you from packing the list into a delimited string and then unpacking it once you get the string from the config. If you did it this way your config section would look like:
[Section 3]
barList=item1,item2
It's not pretty but ...
Creating virtual directories in IIS express
...ion. Ex: iisexpress /site:WebSiteWithVirtualDirectory - run the first app from the path "C:\temp\website1". How can i run my the 2nd app that contains the path "d:\temp\SubFolderApp"
– Velu
Aug 29 '12 at 12:00
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A fast method to round a double to a 32-bit int explained
...,740,992 the representable numbers are exactly the integers
This follows from the fact that the mantissa is 52 bits wide.
The other interesting fact about adding 251+252 is that it affects the mantissa only in the two highest bits - which are discarded anyway, since we are taking only its lowest ...