大约有 30,000 项符合查询结果(耗时:0.0413秒) [XML]

https://stackoverflow.com/ques... 

What's to stop malicious code from spoofing the “Origin” header to exploit CORS?

...header is an HTTP forbidden header name that cannot be modified programmatically. Which means you can modify it in about 8 seconds using Modify Headers for Google Chrome. To test this, I set up two Client domains and one Server domain. I included a CORS whitelist on the Server, which allowed CORS r...
https://stackoverflow.com/ques... 

Where to define custom error types in Ruby and/or Rails?

...m error types in a Ruby library (gem) or Ruby on Rails application? Specifically: 5 Answers ...
https://stackoverflow.com/ques... 

Pass props to parent component in React.js

...hild in the parent, the child could pass all the dom nodes directly in the callback. The component has an interface (props) and the parent should not assume anything about the inner working of the child, including its inner DOM structure or which DOM nodes it declares refs for. A parent using a ref...
https://stackoverflow.com/ques... 

Different types of thread-safe Sets in Java

... 1) The CopyOnWriteArraySet is a quite simple implementation - it basically has a list of elements in an array, and when changing the list, it copies the array. Iterations and other accesses which are running at this time continue with the old array, avoiding necessity of synchronization betwee...
https://stackoverflow.com/ques... 

Building executable jar with maven?

I am trying to generate an executable jar for a small home project called "logmanager" using maven, just like this: 4 Answe...
https://stackoverflow.com/ques... 

Python != operation vs “is not”

... right hand side and the left hand side are the very same object. No methodcalls are done, objects can't influence the is operation. You use is (and is not) for singletons, like None, where you don't care about objects that might want to pretend to be None or where you want to protect against objec...
https://stackoverflow.com/ques... 

Mean per group in a data.frame [duplicate]

...ingsAsFactors = FALSE, na.strings = 'NA') by.month <- as.data.frame(do.call("rbind", by(my.data, my.data$Month, FUN = function(x) colMeans(x[,3:4])))) colnames(by.month) <- c('Rate1.mean', 'Rate2.mean') by.month <- cbind(Month = rownames(by.month), by.month) my.data <- merge(my.data, b...
https://stackoverflow.com/ques... 

How do you use the Immediate Window in Visual Studio?

...its ability to evaluate the return value of a method particularly if it is called by your client code but it is not part of a variable assignment. In Debug mode, as mentioned, you can interact with variables and execute expressions in memory which plays an important role in being able to do this. F...
https://stackoverflow.com/ques... 

Is Java Regex Thread Safe?

...141681.html#A14 : "The Java 2 SDK, Standard Edition itself contains a file called src.zip that contains the source code for the public classes in the java package") so one can take a quick peek oneself. – David Tonhofer Nov 18 '13 at 15:40 ...
https://stackoverflow.com/ques... 

Backbone.js: get current route

...e hashchange events or pushState, match the appropriate route, and trigger callbacks. You shouldn't ever have to create one of these yourself — you should use the reference to Backbone.history that will be created for you automatically if you make use of Routers with routes. [...]" If you need th...