大约有 43,000 项符合查询结果(耗时:0.0551秒) [XML]

https://stackoverflow.com/ques... 

Why both no-cache and no-store should be used in HTTP response?

...d response you may have, on every request. must-revalidate, on the other hand, only needs to revalidate when the resource is considered stale. If the server says that the resource is still valid then the cache can respond with its representation, thus alleviating the need for the server to resend ...
https://stackoverflow.com/ques... 

A simple scenario using wait() and notify() in java

... The wait() and notify() methods are designed to provide a mechanism to allow a thread to block until a specific condition is met. For this I assume you're wanting to write a blocking queue implementation, where you have some fixed size ...
https://stackoverflow.com/ques... 

Parse a .py file, read the AST, modify it, then write back the modified source code

...on source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file). ...
https://stackoverflow.com/ques... 

Efficient string concatenation in C++

I heard a few people expressing worries about "+" operator in std::string and various workarounds to speed up concatenation. Are any of these really necessary? If so, what is the best way to concatenate strings in C++? ...
https://stackoverflow.com/ques... 

Test for equality among all elements of a single vector

... I use this method, which compares the min and the max, after dividing by the mean: # Determine if range of vector is FP 0. zero_range <- function(x, tol = .Machine$double.eps ^ 0.5) { if (length(x) == 1) return(TRUE) x <- range(x) / mean(x) isTRUE(all.eq...
https://stackoverflow.com/ques... 

Is it wrong to use Deprecated methods or classes in Java?

...t in the API for backward compatibility for an unspecified period of time, and may in future releases be removed. That is, no, it's not wrong, but there is a better way of doing it, which is more robust against API changes. 2. What if I don't change any method and run my application with warning...
https://stackoverflow.com/ques... 

Maximum and Minimum values for ints

I am looking for minimum and maximum values for integers in python. For eg., in Java, we have Integer.MIN_VALUE and Integer.MAX_VALUE . Is there something like this in python? ...
https://stackoverflow.com/ques... 

Show current state of Jenkins build on GitHub repo

... token. Check repo:status (I'm not sure this is necessary, but I did it, and it worked for me). Generate the token, copy it. Make sure the GitHub user you're going to use is a repository collaborator (for private repos) or is a member of a team with push and pull access (for organization repos) ...
https://stackoverflow.com/ques... 

Symbolic links and synced folders in Vagrant

... I suspect the OP and many people viewing this question were using the term "shared" and "synced" interchangeably. Note the OP's second bullet point which strongly implies he was using shared folders, but tried switching to an rsynced folder b...
https://stackoverflow.com/ques... 

Is using 'var' to declare variables optional? [duplicate]

...use var). If you use var in the global scope, the variable is truly global and cannot be deleted. This is, in my opinion, one of the most dangerous issues with javascript, and should be deprecated, or at least raise warnings over warnings. The reason is, it's easy to forget var and have by accident...