大约有 18,000 项符合查询结果(耗时:0.0335秒) [XML]

https://stackoverflow.com/ques... 

RegEx for matching UK Postcodes

I'm after a regex that will validate a full complex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance: ...
https://stackoverflow.com/ques... 

Execute bash script from URL

Say I have a file at the URL "http://mywebsite.com/myscript.txt" that contains a script: 14 Answers ...
https://stackoverflow.com/ques... 

How does BLAS get such extreme performance?

Out of curiosity I decided to benchmark my own matrix multiplication function versus the BLAS implementation... I was to say the least surprised at the result: ...
https://stackoverflow.com/ques... 

sql primary key and index

Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed? ...
https://stackoverflow.com/ques... 

Operator precedence with Javascript Ternary operator

I cant seem to wrap my head around the first part of this code ( += ) in combination with the ternary operator. 7 Answers ...
https://stackoverflow.com/ques... 

Handlebars.js Else If

I'm using Handlebars.js for client side view rendering. If Else works great but I've encountered a 3 way conditional that requires ELSE IF: ...
https://stackoverflow.com/ques... 

How to map with index in Ruby?

What is the easiest way to convert 10 Answers 10 ...
https://stackoverflow.com/ques... 

What Xcode keyboard shortcuts do you use regularly? [closed]

What Xcode keyboard shortcuts do you use regularly? 16 Answers 16 ...
https://stackoverflow.com/ques... 

How do I create an abstract base class in JavaScript?

Is it possible to simulate abstract base class in JavaScript? What is the most elegant way to do it? 16 Answers ...
https://stackoverflow.com/ques... 

Get a substring of a char* [duplicate]

For example, I have this 5 Answers 5 ...