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How to convert List to int[] in Java? [duplicate]
...rticular:
List<T>.toArray won't work because there's no conversion from Integer to int
You can't use int as a type argument for generics, so it would have to be an int-specific method (or one which used reflection to do nasty trickery).
I believe there are libraries which have autogenerate...
How can I remove all text after a character in bash?
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cut can read from stdin, so it is better especially when you have a very long string that you need to process, like the contents of a file.
– Sahas
Apr 26 '17 at 8:34
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Why doesn't Console.Writeline, Console.Write work in Visual Studio Express?
...ake sure you do not have any command line arguments redirecting the output from the console.
– Chad Miller
Apr 13 '16 at 16:03
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Is gcc 4.8 or earlier buggy about regular expressions?
...on to enable it. But that ship sailed long ago. There are exported symbols from the libstdc++.so library that depend on the regex code, so simply removing it (in, say, GCC 4.8) would not have been trivial.
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Create a string of variable length, filled with a repeated character
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@Hogan Your solution does not create a filled string from nowhere. You create it yourself and then just extract a substring.
– StanE
Aug 19 '16 at 1:54
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
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From the same paper: "the JITed disassembler output suggests that it is not actually that efficient in terms of calling the most optimal SIMD instructions and their scheduling. A quick hunt through the JVM JIT...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
...ntioned in doc:
Returns a stream of int zero-extending the char values from this
sequence. Any char which maps to a surrogate code point is passed
through uninterpreted. If the sequence is mutated while the stream is
being read, the result is undefined.
The method codePoints() also retur...
How to Correctly handle Weak Self in Swift Blocks with Arguments
...you had to go with [weak self] instead.
I really liked the whole section from the manual on using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
Note: I used the term clo...
How do you Encrypt and Decrypt a PHP String?
...rary:
$string = $keyObject->saveToAsciiSafeString()
$loaded = Key::loadFromAsciiSafeString($string);
"But I really want to use a password."
That's a bad idea, but okay, here's how to do it safely.
First, generate a random key and store it in a constant.
/**
* Replace this with your own salt!
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Jackson: how to prevent field serialization
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com.fasterxml.jackson.annotation.JsonIgnore from jackson-annotations-<version>.jar
– mvmn
Jun 6 '17 at 13:04
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