大约有 16,800 项符合查询结果(耗时:0.0408秒) [XML]

https://stackoverflow.com/ques... 

What are the big improvements between guava and apache equivalent libraries?

We currently use apache collections, string utils, etc. I need to decide if we should switch from the apache foundations implementation. ...
https://stackoverflow.com/ques... 

Explanation of strong and weak storage in iOS5

I am new to iOS5 development and using objective-c. I have trouble understanding the difference between strong and weak storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight. ...
https://stackoverflow.com/ques... 

#pragma once vs include guards? [duplicate]

I'm working on a codebase that is known to only run on windows and be compiled under Visual Studio (it integrates tightly with excel so it's not going anywhere). I'm wondering if I should go with the traditional include guards or use #pragma once for our code. I would think letting the compiler de...
https://stackoverflow.com/ques... 

E731 do not assign a lambda expression, use a def

I get this pep8 warning whenever I use lambda expressions. Are lambda expressions not recommended? If not why? 4 Answers ...
https://stackoverflow.com/ques... 

What's the idiomatic syntax for prepending to a short python list?

list.append() is the obvious choice for adding to the end of a list. Here's a reasonable explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is ...
https://stackoverflow.com/ques... 

Invalidating JSON Web Tokens

For a new node.js project I'm working on, I'm thinking about switching over from a cookie based session approach (by this, I mean, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt). ...
https://stackoverflow.com/ques... 

Java HTTPS client certificate authentication

I'm fairly new to HTTPS/SSL/TLS and I'm a bit confused over what exactly the clients are supposed to present when authenticating with certificates. ...
https://stackoverflow.com/ques... 

How do CUDA blocks/warps/threads map onto CUDA cores?

I have been using CUDA for a few weeks, but I have some doubts about the allocation of blocks/warps/thread. I am studying the architecture from a didactic point of view (university project), so reaching peak performance is not my concern. ...
https://stackoverflow.com/ques... 

How do I create a WPF Rounded Corner container?

We are creating an XBAP application that we need to have rounded corners in various locations in a single page and we would like to have a WPF Rounded Corner container to place a bunch of other elements within. Does anyone have some suggestions or sample code on how we can best accomplish this? E...
https://stackoverflow.com/ques... 

What's wrong with nullable columns in composite primary keys?

ORACLE does not permit NULL values in any of the columns that comprise a primary key. It appears that the same is true of most other "enterprise-level" systems. ...