大约有 44,000 项符合查询结果(耗时:0.0628秒) [XML]

https://stackoverflow.com/ques... 

How to get Linux console window width in Python

...mns = os.popen('stty size', 'r').read().split() uses the 'stty size' command which according to a thread on the python mailing list is reasonably universal on linux. It opens the 'stty size' command as a file, 'reads' from it, and uses a simple string split to separate the coordinates. Unlike the...
https://stackoverflow.com/ques... 

Iterate over model instance field names and values in template

... instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the value of that field in the second column. ...
https://stackoverflow.com/ques... 

How to convert vector to array

...ts for the new array: double arr[v.size()]; – rbaleksandar Dec 25 '13 at 21:09 8 @rbaleksandar: A...
https://stackoverflow.com/ques... 

How to get string objects instead of Unicode from JSON?

... A solution with object_hook import json def json_load_byteified(file_handle): return _byteify( json.load(file_handle, object_hook=_byteify), ignore_dicts=True ) def json_loads_byteified(json_text): return _byteify( json.loads(json_text, object_hook=_byteify)...
https://stackoverflow.com/ques... 

Most efficient method to groupby on an array of objects

... Here is one that outputs array and not object: groupByArray(xs, key) { return xs.reduce(function (rv, x) { let v = key instanceof Function ? key(x) : x[key]; let el = rv.find((r) => r && r.key === v); ...
https://stackoverflow.com/ques... 

Flask-SQLAlchemy import/context issue

...y db = SQLAlchemy() class Member(db.Model): # fields here pass And then in your application setup you can call init_app: # apps.application.py from flask import Flask from apps.members.models import db app = Flask(__name__) # later on db.init_app(app) This way you can avoid cyclical ...
https://stackoverflow.com/ques... 

How can I perform a str_replace in JavaScript, replacing text in JavaScript?

...only possible to replace all instances with //g. The performance trade off and code elegance could be argued to be worse if replacing multiple instances name.replace(' ', '_').replace(' ', '_').replace(' ', '_'); or worse while (name.includes(' ')) { name = name.replace(' ', '_') } ...
https://stackoverflow.com/ques... 

Iterate two Lists or Arrays with one ForEach statement in C#

... This is known as a Zip operation and will be supported in .NET 4. With that, you would be able to write something like: var numbers = new [] { 1, 2, 3, 4 }; var words = new [] { "one", "two", "three", "four" }; var numbersAndWords = numbers.Zip(words, (n,...
https://stackoverflow.com/ques... 

How does an underscore in front of a variable in a cocoa objective-c class work?

... @LearnCocos2D Hi! A newbie to iOS here and there's something I need to clarify. For all this time what I did was declare the property in the .h file and in the .m fie I access it using self like so, self.someProperty. Is this the right way? Or should I be using th...
https://stackoverflow.com/ques... 

Call static method with reflection

...f the method resides in an ancestor class. – J. Ouwehand Jun 8 '19 at 14:51 add a comment  |  ...