大约有 44,000 项符合查询结果(耗时:0.0673秒) [XML]

https://stackoverflow.com/ques... 

Java generics type erasure: when and what happens?

...metadata in the class file to say whether or not a method/type is generic, and what the constraints are etc. But when generics are used, they're converted into compile-time checks and execution-time casts. So this code: List<String> list = new ArrayList<String>(); list.add("Hi"); String...
https://stackoverflow.com/ques... 

How to iterate over arguments in a Bash script

I have a complex command that I'd like to make a shell/bash script of. I can write it in terms of $1 easily: 8 Answers ...
https://stackoverflow.com/ques... 

ExecuteReader requires an open and available Connection. The connection's current state is Connectin

...lication execution, many identical connections will be repeatedly opened and closed. To minimize the cost of opening connections, ADO.NET uses an optimization technique called connection pooling. Connection pooling reduces the number of times that new connections must be opened. The poo...
https://stackoverflow.com/ques... 

What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

If I have some integer n, and I want to know the position of the most significant bit (that is, if the least significant bit is on the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out? ...
https://stackoverflow.com/ques... 

How do you write a migration to rename an ActiveRecord model and its table in Rails?

I'm terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table? ...
https://stackoverflow.com/ques... 

what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?

...rocessing unit (GPU) to make pixels fly. Web applications, on the other hand, run in the context of the browser, which lets the software do most (if not all) of the rendering, resulting in less horsepower for transitions. But the Web has been catching up, and most browser vendors now provide...
https://stackoverflow.com/ques... 

typedef fixed length array

...used as a function argument, it will be passed by reference, not by value, and the sizeof for it will then be wrong. A better solution would be typedef struct type24 { char x[3]; } type24; You probably also want to be using unsigned char instead of char, since the latter has implementation-defin...
https://stackoverflow.com/ques... 

A html space is showing as %2520 instead of %20

... as %25. The way you get %2520 is when your url already has a %20 in it, and gets urlencoded again, which transforms the %20 to %2520. Are you (or any framework you might be using) double encoding characters? Edit: Expanding a bit on this, especially for LOCAL links. Assuming you want to link t...
https://stackoverflow.com/ques... 

How to make unicode string with python3

... This how I solved my problem to convert chars like \uFE0F, \u000A, etc. And also emojis that encoded with 16 bytes. example = 'raw vegan chocolate cocoa pie w chocolate & vanilla cream\\uD83D\\uDE0D\\uD83D\\uDE0D\\u2764\\uFE0F Present Moment Caf\\u00E8 in St.Augustine\\u2764\\uFE0F\\...
https://stackoverflow.com/ques... 

Differences between lodash and underscore [closed]

...nsistent cross-environment iteration support for arrays, strings, objects, and arguments objects1. It has since become a superset of Underscore, providing more consistent API behavior, more features (like AMD support, deep clone, and deep merge), more thorough documentation and unit tests (tests whi...