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Significant new inventions in computing since 1980
...g a computer, you were either getting paid for it or you were a geek... so what's changed?
Printers and consumer-level desktop
publishing. Meant you didn't need a
printing press to make high-volume,
high-quality printed material. That
was big - of course, nowadays we
completely take it for granted...
How can I store my users' passwords safely?
...shing API
Example of code using PHP's password API:
<?php
// $hash is what you would store in your database
$hash = password_hash($_POST['password'], PASSWORD_DEFAULT, ['cost' => 12]);
// $hash would be the $hash (above) stored in your database for this user
$checked = password_verify($_POS...
What is a columnar database?
...
To understand what is column oriented database, it is better to contrast it with row oriented database.
Row oriented databases (e.g. MS SQL Server and SQLite) are designed to efficiently return data for an entire row. It does it by stor...
How do I write data into CSV format as string (not file)?
I want to cast data like [1,2,'a','He said "what do you mean?"'] to a CSV-formatted string.
6 Answers
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How to bind function arguments without binding this?
... value. Perhaps think of it as "wrapping" the arguments into a function?
What you do is create a function that has the desired arguments built into it via closures:
var withWrappedArguments = function(arg1, arg2)
{
return function() { ... do your stuff with arg1 and arg2 ... };
}(...
What do 3 dots next to a parameter type mean in Java?
What do the 3 dots following String in the following method mean?
12 Answers
12
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What does the 'standalone' directive mean in XML?
What does the ' standalone ' directive mean in an XML document?
5 Answers
5
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Is there a difference between “==” and “is”?
...or how to copy lists that I came across and had to reference to figure out what you were doing: stackoverflow.com/a/2612815/4561887
– Gabriel Staples
Jan 22 '19 at 21:14
...
Give examples of functions which demonstrate covariance and contravariance in the cases of both over
...does not support contravariant arguments in subtyping. Only covariance for what concern method return types (like in the first example).
– the_dark_destructor
Feb 16 '12 at 17:51
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When/Why to use Cascading in SQL Server?
When setting up foreign keys in SQL Server, under what circumstances should you have it cascade on delete or update, and what is the reasoning behind it?
...