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Simplest two-way encryption using PHP
...caiton
*
* @param string $masterKey (raw binary)
* @return array (two raw binary strings)
*/
protected static function splitKeys($masterKey)
{
// You really want to implement HKDF here instead!
return [
hash_hmac(self::HASH_ALGO, 'ENCRYPTION',...
Is the size of C “int” 2 bytes or 4 bytes?
... 2 bytes. But when I run a program printing the successive addresses of an array of integers it shows the difference of 4.
You're using an ancient textbook and compiler which is teaching you non-portable C; the author who wrote your textbook might not even be aware of CHAR_BIT. You should upgrade ...
Accessing private member variables from prototype-defined functions
... instances
defaultName = "Default Name",
p = []; // an array of private objects
// create the constructor
function PrivateNamespaceClass() {
// Increment the instance count and save it to the instance.
// This will become your key to your private sp...
Detecting an undefined object property
...t for anything practical. Every context can override console.log, redefine Array prototype methods, and even override Function.prototype.call` hooking, and altering every time you call a function in JavaScript. Protecting against this is very paranoid and rather silly. Like I (and minitech) said, yo...
JavaScript function order: why does it matter?
...
Sorry to dig this up, but are overloads like Array.prototype.someMethod = function(){} hoisted? I seem to be getting errors if these types of things are at the ends of my script.
– Edge
Sep 9 '14 at 4:58
...
JavaScript OOP in NodeJS: how?
...ance:
var method = List.prototype;
function List() {
}
method.add = Array.prototype.push;
...
var a = new List();
a.add(3);
console.log(a[0]) //3;
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Prepend a level to a pandas MultiIndex
...'s solution, this is a flexible method and avoids modifying the underlying array for the dataframe.
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How to use enum values in f:selectItem(s)
...can just modify getStatuses() return type to List<Status> and return Arrays.asList(Status.values());
– stakahop
Oct 4 '16 at 12:42
...
How do you test functions and closures for equality?
...e, which was kind of devastating because I had been storing closures in an Array and now can't remove them with indexOf({$0 == closure} so I have to refactor. IMHO optimization shouldn't influence language design, so without a quick fix like the now deprecated @objc_block in matt's answer, I would ...
Initial bytes incorrect after Java AES/CBC decryption
...n cipher.doFinal(plainText);
}
/**
* Decrypts the given byte array
*
* @param cipherText The data to decrypt
*/
public byte[] decrypt(byte[] cipherText) throws Exception
{
SecretKeySpec secretKey = new SecretKeySpec(key, ALGORITHM);
Cipher cipher ...