大约有 11,500 项符合查询结果(耗时:0.0196秒) [XML]

https://stackoverflow.com/ques... 

How do I fetch a branch on someone else's fork on GitHub? [duplicate]

I've forked from a repo on GitHub. I want to get the code from a branch on another user's fork. 2 Answers ...
https://stackoverflow.com/ques... 

Android - Round to 2 decimal places [duplicate]

I know that there are plenty of examples on how to round this kind numbers. But could someone show me how to round double, to get value that I can display as a String and ALWAYS have 2 decimal places? ...
https://stackoverflow.com/ques... 

find first sequence item that matches a criterion [duplicate]

What would be the most elegant and efficient way of finding/returning the first list item that matches a certain criterion? ...
https://stackoverflow.com/ques... 

Correct use of transactions in SQL Server

I have 2 commands and need both of them executed correctly or none of them executed. So I think I need a transaction, but I don't know how to use it correctly. ...
https://stackoverflow.com/ques... 

What does the 'u' symbol mean in front of string values? [duplicate]

...ct that you're seeing the u means you're on Python 2 - strings are Unicode by default on Python 3, but on Python 2, the u in front distinguishes Unicode strings. The rest of this answer will focus on Python 2. You can create a Unicode string multiple ways: >>> u'foo' u'foo' >>> uni...
https://stackoverflow.com/ques... 

How to merge multiple lists into one list in python? [duplicate]

...'] + ['was'] + ['annoying'] You should read the Python tutorial to learn basic info like this. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Recommended way of getting data from the server

... There are cases when $resource may not be appropriate when talking to backend. This shows how to set up $resource like behavior without using resource. angular.module('myApp').factory('Book', function($http) { // Book is a class which we can use for retrieving ...
https://stackoverflow.com/ques... 

Testing for empty or nil-value string [duplicate]

I'm trying to set a variable conditionally in Ruby. I need to set it if the variable is nil or empty (0 length string). I've come up with the following: ...
https://stackoverflow.com/ques... 

How to create a circular ImageView in Android? [duplicate]

... I too needed a rounded ImageView, I used the below code, you can modify it accordingly: import android.content.Context; import android.graphics.Bitmap; import android.graphics.Bitmap.Config; import android.graphics.Canvas; import android.graphics.Color; import android....
https://stackoverflow.com/ques... 

print memory address of Python variable [duplicate]

How do I print the memory address of a variable in Python 2.7? I know id() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address. I want to do something like print &x , where x is a C++ int variable for exam...