大约有 24,971 项符合查询结果(耗时:0.0453秒) [XML]

https://stackoverflow.com/ques... 

Using bitwise OR 0 to floor a number

A colleague of mine stumbled upon a method to floor float numbers using a bitwise or: 6 Answers ...
https://stackoverflow.com/ques... 

If table exists drop table then create it, if it does not exist just create it

... Active Oldest Votes ...
https://stackoverflow.com/ques... 

Android - Set fragment id

How can I set a Fragment 's Id so that I can use getSupportFragmentManager().findFragmentById(R.id.--) ? 7 Answers ...
https://stackoverflow.com/ques... 

What is the difference between BIT and TINYINT in MySQL?

In which cases would you use which? Is there much of a difference? Which I typically used by persistence engines to store booleans? ...
https://stackoverflow.com/ques... 

Rails: Using build with a has_one association in rails

In this example, I create a user with no profile , then later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_many . The user is supposed to only have at most one profile . ...
https://stackoverflow.com/ques... 

Variable is accessed within inner class. Needs to be declared final

I'm getting a compilation error inside of my onClick . 6 Answers 6 ...
https://stackoverflow.com/ques... 

What is the difference between persist() and merge() in JPA and Hibernate?

What is the difference between persist() and merge() in Hibernate? 4 Answers 4 ...
https://stackoverflow.com/ques... 

Add margin above top ListView item (and below last) in Android

... Active Oldest Votes ...
https://stackoverflow.com/ques... 

Have a fixed position div that needs to scroll if content overflows

I have actually two issues, but lets resolve the primary issue first as I believe the other is easier to address. 5 Answers...
https://stackoverflow.com/ques... 

In Intellij, how do I toggle between camel case and underscore spaced?

At my company we have two different style guides for java vs sql. In java I have a field named historyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or pe...