大约有 42,000 项符合查询结果(耗时:0.0613秒) [XML]

https://stackoverflow.com/ques... 

Disabling browser print options (headers, footers, margins) from page?

I have seen this question asked in a couple of different ways on SO and several other websites, but most of them are either too specific or out-of-date. I'm hoping someone can provide a definitive answer here without pandering to speculation. ...
https://stackoverflow.com/ques... 

How to Deal with Temporary NSManagedObject instances?

I need to create NSManagedObject instances, do some stuff with them and then trash them or store to sqlite db. The problem is, I cannot create instances of NSManagedObject unconnected to NSManagedObjectContext and this means I have to clear up somehow after I decide that I don't need some of ...
https://stackoverflow.com/ques... 

When is assembly faster than C?

...actually be used to generate more performant code are both extremely rare and require expert knowledge of and experience with assembly. ...
https://stackoverflow.com/ques... 

What is the difference between active and passive FTP?

Can someone tell me what is the difference between active and passive FTP? Which one is preferable? 5 Answers ...
https://stackoverflow.com/ques... 

INNER JOIN vs LEFT JOIN performance in SQL Server

I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
https://stackoverflow.com/ques... 

Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations

...t uses EF 6. I am using Code First Migrations. I am using Areas in the app and would like to have different DbContexts in each area to break it up. I know EF 6 has ContextKey, but I can't find complete information on how to use it. Currently I can only use migrations one context at a time. ...
https://stackoverflow.com/ques... 

What's the difference between RSpec and Cucumber? [closed]

...rience. I've built a web application that's in use now with authentication and authorization and postgresql db. 1 Answer ...
https://stackoverflow.com/ques... 

Importing a GitHub project into Eclipse

... As mentioned in Alain Beauvois's answer, and now (Q4 2013) better explained in Eclipse for GitHub EGit 3.x manual (section "Starting from existing Git Repositories") Eclipse with GitHub EGit tutorial Copy the URL from GitHub and select in Eclipse from the me...
https://stackoverflow.com/ques... 

Boolean operators && and ||

According to the R language definition , the difference between & and && (correspondingly | and || ) is that the former is vectorized while the latter is not. ...
https://stackoverflow.com/ques... 

jQuery vs document.querySelectorAll

I heard several times that jQuery's strongest asset is the way it queries and manipulates elements in the DOM: you can use CSS queries to create complex queries that would be very hard to do in regular javascript . However , as far as I know, you can achieve the same result with document.querySele...