大约有 41,731 项符合查询结果(耗时:0.0723秒) [XML]

https://stackoverflow.com/ques... 

What exactly is metaprogramming?

I was reading an article on TheServerSide on ployglot programming on the Java platform . Some comments in the article refer to metaprogramming as the ability to generate code (perhaps on the fly). ...
https://stackoverflow.com/ques... 

Should we pass a shared_ptr by reference or by value?

When a function takes a shared_ptr (from boost or C++11 STL), are you passing it: 10 Answers ...
https://stackoverflow.com/ques... 

How do I return early from a rake task?

I have a rake task where I do some checks at the beginning, if one of the checks fails I would like to return early from the rake task, I don't want to execute any of the remaining code. ...
https://stackoverflow.com/ques... 

Split output of command by columns using Bash?

I want to do this: 10 Answers 10 ...
https://stackoverflow.com/ques... 

How do I iterate over a range of numbers defined by variables in Bash?

How do I iterate over a range of numbers in Bash when the range is given by a variable? 20 Answers ...
https://stackoverflow.com/ques... 

Why is it common to put CSRF prevention tokens in cookies?

I'm trying to understand the whole issue with CSRF and appropriate ways to prevent it. (Resources I've read, understand, and agree with: OWASP CSRF Prevention CHeat Sheet , Questions about CSRF .) ...
https://stackoverflow.com/ques... 

How do you delete a column by name in data.table?

To get rid of a column named "foo" in a data.frame , I can do: 8 Answers 8 ...
https://stackoverflow.com/ques... 

if a ngSrc path resolves to a 404, is there a way to fallback to a default?

The application I'm building requires my user to set 4 pieces of information before this image even has a chance of loading. This image is the center-piece of the application, so the broken image link makes it look like the whole thing is borked. I'd like to have another image take its place on a 4...
https://stackoverflow.com/ques... 

Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]

Amazon's EC2 service offers a variety of Linux and Windows OS choices, but I haven't found a service offering a similar "rent by the hour" service for a remote Mac OS X virtual machine. Does such a service exist? (iCloud looks to be just a data storage service, rather than a service allowing remot...
https://stackoverflow.com/ques... 

How to define a function in ghci across multiple lines?

I'm trying to define any simple function that spans multiple lines in ghci, take the following as an example: 7 Answers ...