大约有 16,000 项符合查询结果(耗时:0.0334秒) [XML]

https://stackoverflow.com/ques... 

python capitalize first letter only

I am aware .capitalize() capitalizes the first letter of a string but what if the first character is a integer? 8 Answers ...
https://stackoverflow.com/ques... 

How do I do a Date comparison in Javascript? [duplicate]

I would like to compare two dates in javascript. I have been doing some research, but all I can find is how to return the current date. I want to compare 2 separate dates, not related to today. How do I do that. ...
https://stackoverflow.com/ques... 

Coalesce function for PHP?

...There is a new operator in php 5.3 which does this: ?: // A echo 'A' ?: 'B'; // B echo '' ?: 'B'; // B echo false ?: 'B'; // B echo null ?: 'B'; Source: http://www.php.net/ChangeLog-5.php#5.3.0 share | ...
https://stackoverflow.com/ques... 

What does “mro()” do?

... Follow along...: >>> class A(object): pass ... >>> A.__mro__ (<class '__main__.A'>, <type 'object'>) >>> class B(A): pass ... >>> B.__mro__ (<class '__main__.B'>, <class '__main__.A'>, <type 'object'...
https://stackoverflow.com/ques... 

Why does my 'git branch' have no master?

I'm a git newbie and I keep reading about a "master" branch. Is "master" just a conventional name that people used or does it have special meaning like HEAD ? ...
https://stackoverflow.com/ques... 

Get index of array element faster than O(n)

.... Is there any other way, rather then call Array#index to get it? The problem comes from the need of keeping really huge array and calling Array#index enormous amount of times. ...
https://stackoverflow.com/ques... 

How to write the Fibonacci Sequence?

I had originally coded the program wrongly. Instead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displa...
https://stackoverflow.com/ques... 

How to check if remote branch exists on a given remote repository?

I need to do a subtree merge for a specific branch, if it exists on a given remote repository. The problem is that the remote repository is not checked out locally, so I can't use git branch -r . All I have is a remote address, something like this https://github.com/project-name/project-name.git ...
https://stackoverflow.com/ques... 

How to implement infinity in Java?

Does Java have anything to represent infinity for every numerical data type? How is it implemented such that I can do mathematical operations with it? ...
https://stackoverflow.com/ques... 

Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier

I have two user Objects and while I try to save the object using 36 Answers 36 ...