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List of Big-O for PHP functions
...ating the cost of a function call. This is akin to the $arrray[] = $append vs array_push($array, $append) argument. Second, array_key_exists also differentiates between non-set and null values. For $a = array('fred' => null); array_key_exists('fred', $a) will return true while isset($['fred']) wi...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
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community wiki
9 revs, 7 users 84%Fabrício Matté
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Why do we need RESTful Web Services?
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community wiki
2 revs, 2 users 51%Rajarajan Pudupatti Sundari J
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...he only real difference between implementing a power function for integers vs floats.
– numbermaniac
Nov 30 '19 at 14:15
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ab load testing
...e, instead of 1 request at a time, to better simulate concurrent visitors (vs. sequential visitors).
-k sends the KeepAlive header, which asks the web server to not shut down the connection after each request is done, but to instead keep reusing it.
I'm also sending the extra header Accept-Encodin...
How to encrypt String in Java
... all over StackOverflow and online in tutorials and examples.
Nonces and IVs
In response to the issue found with ECB mode nounces also known as IVs were created. The idea is that we generate a new random variable and attach it to every encryption so that when you encrypt two messages that are the ...
How can I reliably determine the type of a variable that is declared using var at design time?
...ariable in more or less the same way as the compiler will. If you use the VS Intellisense, you may notice that it won't give you the type of var until you've finished entering a valid (resolvable) assignment expression. If the expression is still ambiguous (for instance, it can't fully infer the g...
What does the Reflect object do in JavaScript?
... comments to the Q): There is a short and simple answer on 'Q: ES6 Modules vs. HTML Imports' that explains Realms and Loader objects.
Another explanation is offered by this link:
A realm object abstracts the notion of a distinct global environment,
with its own global object, copy of the stan...
What is “git remote add …” and “git push origin master”?
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Apropos black boxen vs. inside out. Git is the first thing I've encountered that was actually easier to learn inside out rather than from the "interface". Whether it's the right way or not is debatable. I'm just saying that inside out is more ef...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
... the example given by the original poster shows.
A brief primer on Kernel vs. User mode
On Unix, or any protected-memory operating system, 'Kernel' or 'Supervisor' mode refers to a privileged mode that the CPU can operate in. Certain privileged actions that could affect security or stability can ...