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What is the optimal length for user password salt? [closed]
Any salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or ...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
...e -i option. PS1 is
set and $- includes i if bash is interactive, allowing a
shell script or a startup file to test this state.
The following paragraphs describe how bash executes its
startup files. If any of the files exist but cannot be
read, bash rep...
X-UA-Compatible is set to IE=edge, but it still doesn't stop Compatibility Mode
...in the <head> element. No other meta tags, css links and js scripts calls can be placed before it.
<head>
<title>Site Title</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta charset="utf-8">
<script type="text/javascri...
What is console.log?
...
Places you can view the console! Just to have them all in one answer.
Firefox
http://getfirebug.com/
(you can also now use Firefox's built in developer tools Ctrl+Shift+J (Tools > Web Developer > Error Console), but Firebug is much better; use Firebug)
Safari and Ch...
Differences between unique_ptr and shared_ptr [duplicate]
...
Both of these classes are smart pointers, which means that they automatically (in most cases) will deallocate the object that they point at when that object can no longer be referenced. The difference between the two is how many different pointers of each type can refer to a resource.
When using...
Uploading both data and files in one form using Ajax?
... on_complete(response);
});
}
}
it works well with all browsers, you don't need to serialize or prepare the data.
one down side is that you can't monitor the progress.
also, at least for chrome, the request will not appear in the "xhr" tab of the developer tools but under "d...
How to write a caption under an image?
...line-block;
}
figcaption {
margin: 10px 0 0 0;
font-variant: small-caps;
font-family: Arial;
font-weight: bold;
color: #bb3333;
}
figure {
padding: 5px;
}
img:hover {
transform: scale(1.1);
-ms-transform: scale(1.1);
-webkit-transform: scale(1.1);
...
Should I use SVN or Git? [closed]
...r. It's decentralised to a point where people can track their own edits locally without having to push things to an external server.
SVN is designed to be more central where Git is based on each user having their own Git repo and those repos push changes back up into a central one. For that reason,...
How to get hex color value rather than RGB value?
...er inefficiencies. If you're going to declare hexDigits on every function call, at least do it in rgb2hex's function body (not hex's body), so the array is not redefined 3 times per 1 call to rgb2hex. Also learn to use 'var', so you don't pollute the global scope.
– Matt
...
Why can Java Collections not directly store Primitives types?
...JVM being what it is, doesn't support a "non-object" object. Java generics allow you to pretend there is no wrapper, but you still pay the performance price of boxing. This is IMPORTANT for certain classes of programs.
Boxing is a technical compromise, and I feel it is implementation detail leaking...