大约有 47,000 项符合查询结果(耗时:0.0582秒) [XML]

https://stackoverflow.com/ques... 

What exactly is LLVM?

... LLVM is a library that is used to construct, optimize and produce intermediate and/or binary machine code. LLVM can be used as a compiler framework, where you provide the "front end" (parser and lexer) and the "back end" (code that converts LLVM's representation to actual machi...
https://stackoverflow.com/ques... 

Float vs Decimal in ActiveRecord

...ation defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly. That's why there is a Decimal for...
https://stackoverflow.com/ques... 

DLL and LIB files - what and why?

I know very little about DLL's and LIB's other than that they contain vital code required for a program to run properly - libraries. But why do compilers generate them at all? Wouldn't it be easier to just include all the code in a single executable? And what's the difference between DLL's and LIB's...
https://stackoverflow.com/ques... 

Remove URL parameters without refreshing page

... TL;DR 1- To modify current URL and add / inject it (the new modified URL) as a new URL entry to history list, use pushState: window.history.pushState({}, document.title, "/" + "my-new-url.html"); 2- To replace current URL without adding it to history en...
https://stackoverflow.com/ques... 

Break or return from Java 8 stream forEach?

...ING: You should not use it for controlling business logic, but purely for handling an exceptional situation which occurs during the execution of the forEach(). Such as a resource suddenly stops being accessible, one of the processed objects is violating a contract (e.g. contract says that all the el...
https://stackoverflow.com/ques... 

Submit jQuery UI dialog on

...n(e) { if (e.keyCode == $.ui.keyCode.ENTER) { //Close dialog and/or submit here... } }); This'll run no matter what element has the focus in your dialog, which may or may not be a good thing depending on what you want. If you want to make this the default functionality, you can ...
https://stackoverflow.com/ques... 

Image Segmentation using Mean Shift explained

Could anyone please help me understand how Mean Shift segmentation actually works? 2 Answers ...
https://stackoverflow.com/ques... 

What is the --save option for npm install?

I saw some tutorial where the command was: 11 Answers 11 ...
https://stackoverflow.com/ques... 

Linux/Unix command to determine if process is running?

I need a platform independent (Linux/Unix|OSX) shell/bash command that will determine if a specific process is running. e.g. mysqld , httpd ... What is the simplest way/command to do this? ...
https://stackoverflow.com/ques... 

How to return smart pointers (shared_ptr), by reference or by value?

...al C++ compilers implement RVO even when all optimizations are turned off. And with C++11's move semantics, this concern is even less relevant. (But the only way to be sure is to profile and experiment.) If you're still not convinced, Dave Abrahams has an article that makes an argument for returnin...