大约有 40,000 项符合查询结果(耗时:0.0428秒) [XML]

https://stackoverflow.com/ques... 

Convert base-2 binary number string to int

... (as suggested by the >>> prompt), you don't need to use print at all. The OP's hypothetical example didn't. So it really should be identical in Python 2 and 3. – John Y Jul 12 '16 at 22:36 ...
https://stackoverflow.com/ques... 

Convert json data to a html table [closed]

... Thanks all for your replies. I wrote one myself. Please note that this uses jQuery. Code snippet: var myList = [ { "name": "abc", "age": 50 }, { "age": "25", "hobby": "swimming" }, { "name": "xyz", "hobby": "programmin...
https://stackoverflow.com/ques... 

Can a decorator of an instance method access the class?

I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition. ...
https://stackoverflow.com/ques... 

Can someone explain __all__ in Python?

I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does? ...
https://stackoverflow.com/ques... 

node.js global variables?

... Globals are generally to be avoided, but if you really want to use them. The 3 statements below are all equivalent and will assign a var to the global scope: GLOBAL._ = require('underscore'); global._ = require('underscore'); _ = require('und...
https://stackoverflow.com/ques... 

How to do relative imports in Python?

... the module were a top level module, regardless of where the module is actually located on the file system. In Python 2.6, they're adding the ability to reference modules relative to the main module. PEP 366 describes the change. Update: According to Nick Coghlan, the recommended alternative is ...
https://stackoverflow.com/ques... 

Lodash - difference between .extend() / .assign() and .merge()

...d try to map child object properties from source to destination. So essentially we merge object hierarchy from source to destination. While for extend/assign, it's simple one level copy of properties from source to destination. Here's simple JSBin that would make this crystal clear: http://jsbin.co...
https://stackoverflow.com/ques... 

How to convert PascalCase to pascal_case?

...esult [$output]\n"; } } function from_camel_case($input) { preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches); $ret = $matches[0]; foreach ($ret as &$match) { $match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match); } ...
https://stackoverflow.com/ques... 

Append an object to a list in R in amortized constant time, O(1)?

...irthday. Some kind readers keep repeating any shortcomings with it, so by all means also see some of the comments below. One suggestion for list types: newlist <- list(oldlist, list(someobj)) In general, R types can make it hard to have one and just one idiom for all types and uses. ...
https://stackoverflow.com/ques... 

C++ preprocessor __VA_ARGS__ number of arguments

... This is actually compiler dependent, and not supported by any standard. Here however you have a macro implementation that does the count: #define PP_NARG(...) \ PP_NARG_(__VA_ARGS__,PP_RSEQ_N()) #define PP_NARG_(...) \ ...