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Is SecureRandom thread safe?
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The current implementation of SecureRandom is thread safe, specifically the two mutating methods nextBytes(bytes[]) and setSeed(byte[]) are synchronized.
Well, as far as I've been able to tell, all mutating methods are eventually routed through those two methods, and SecureRandom overrides...
Scala type programming resources
...s implemented as follows: type eval = S#eval#apply[T]. This is essentially calling the eval type of the trait's parameter S, and calling apply with parameter T on the result. Note, S is guaranteed to have an eval type because the parameter specifies it to be a subtype of Lambda. Similarly, the resul...
How do you parse and process HTML/XML in PHP?
...- and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure and style of documents.
DOM is capable of parsing and modifying real world (broken) HTML and it can do XPath queries. It is based on libxml.
It takes some time to get producti...
Using Rails serialize to save hash to database
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Rails 4 has a new feature called Store, so you can easily use it to solve your problem. You can define an accessor for it and it is recommended you declare the database column used for the serialized store as a text, so there's plenty of room. The ori...
How to import local packages without gopath
...LE=on
go mod init
go mod vendor # if you have vendor/ folder, will automatically integrate
go build
This method creates a file called go.mod in your projects directory. You can then build your project with go build. If GO111MODULE=auto is set, then your project cannot be in $GOPATH.
Edit 2: The...
How do I write a short literal in C++?
...t32_t value); // 1
void func(std::uint16_t value); // 2
func(0x1234U); // calls 1
func(0x1234_u); // calls 2
// also
inline std::int16_t operator "" _s(unsigned long long value)
{
return static_cast<std::int16_t>(value);
}
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Setting dynamic scope variables in AngularJs - scope.
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I don't quite recall actually. I think it was because model.assign does not trigger data binding, so you need to apply manually once you have done everything you need to do. Try it out and see if it is possible to remove it or not (might hav...
Example of UUID generation using Boost in C++
...second uses operator() on that instance. You should save the generator and call operator() on it if you want to generate more than one uuid: random_generator rg; uuid ui = rg();
– Georg Fritzsche
Jul 15 '10 at 16:44
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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...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
...worth considering if not for every class ... I don't think a downgrade was called for.
– Sherwin Zadeh
Dec 31 '12 at 0:01
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