大约有 43,000 项符合查询结果(耗时:0.0272秒) [XML]

https://stackoverflow.com/ques... 

How to convert JSON data into a Python object

...E With Python3, you can do it in one line, using SimpleNamespace and object_hook: import json from types import SimpleNamespace data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}' # Parse JSON into an object with attributes corresponding to dict keys. x = json.loads(data, ...
https://stackoverflow.com/ques... 

How to use filter, map, and reduce in Python 3

... @Breezer actually i**3 will call i.__pow__(3) and i*i*i i.__mul__(i).__mul__(i) (or something like that). With ints it doesn't matter but with numpy numbers/custom classes it might even produce different results. – syntonym ...
https://stackoverflow.com/ques... 

Best practices for circular shift (rotate) operations in C++

... it to rotate by the width of the type (using fixed-width types like uint32_t). #include <stdint.h> // for uint32_t #include <limits.h> // for CHAR_BIT // #define NDEBUG #include <assert.h> static inline uint32_t rotl32 (uint32_t n, unsigned int c) { const unsigned int mask...
https://stackoverflow.com/ques... 

How do I add custom field to Python log format string?

... pass the extra info with every logging call: import logging extra = {'app_name':'Super App'} logger = logging.getLogger(__name__) syslog = logging.StreamHandler() formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s') syslog.setFormatter(formatter) logger.setLevel(logging.INFO) l...
https://stackoverflow.com/ques... 

Unzip a file with php

...pen('file.zip'); if ($res === TRUE) { $zip->extractTo('/myzips/extract_path/'); $zip->close(); echo 'woot!'; } else { echo 'doh!'; } Also, as others have commented, $HTTP_GET_VARS has been deprecated since version 4.1 ... which was a reeeeeally long time ago. Don't use it. Use the $_...
https://stackoverflow.com/ques... 

How to print a int64_t type in C

C99 standard has integer types with bytes size like int64_t. I am using the following code: 6 Answers ...
https://stackoverflow.com/ques... 

How to validate an e-mail address in swift?

... I would use NSPredicate: func isValidEmail(_ email: String) -> Bool { let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}" let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx) return emailPred.evaluate(with: email) ...
https://stackoverflow.com/ques... 

Make a div fill up the remaining width

...t. Here you can notice that the middle element (in our case, with "content__middle" class) does not have any dimensional property specified - no width, nor padding, nor margin related property at all - but only an overflow: auto; (see note 1). The great advantage is that now you can specify a max-...
https://stackoverflow.com/ques... 

How can I make a time delay in Python? [duplicate]

...ly to delay a function from executing. For example: >>> def party_time(): ... print('hooray!') ... >>> sleep(3); party_time() hooray! "hooray!" is printed 3 seconds after I hit Enter. Example using sleep with multiple threads and processes Again, sleep suspends your thread...
https://stackoverflow.com/ques... 

Is there a way to access method arguments in Ruby?

...meters # => [[:req, :x], [:req, :y]] You can use the special variable __method__ to get the name of the current method. So within a method the names of its parameters can be obtained via args = method(__method__).parameters.map { |arg| arg[1].to_s } You could then display the name and value ...