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Salting Your Password: Best Practices?
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Site-wide random salt is bad, since an attacker can precompute rainbow tables and grab your entire user database. If you don't understand this, please don't write login/security systems :) - you NEED per-user salts.
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.htaccess rewrite to redirect root URL to subdirectory
... Just recently I spent a lot of time debugging why this didn't work on a site in Ubuntu Apache 2.4.7. Rewrite debugging showed the rule being hit and generating an INTERNAL REDIRECT. Then it seemed to just park that and look for an index page. Turns out that if mod_dir is enabled AND there is an i...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
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How do I get the user IP?
– sites
Apr 27 '13 at 21:40
@juanpastas you don't. you just ping a ...
Why does Twitter Bootstrap Use Pixels for Font Size?
...sizes for inputs and the like. It's just not how folks build pixel perfect sites.
That's a bit all over and hopefully coherent enough. I'll try to blog about these changes as they come up more, but I'm unsure how close 3.0 is and what that will all entail yet.
I would suggest anyone with strong fee...
Get the full URL in PHP
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// =================================================== //
//If site uses HTTPS:
$HTTP_or_HTTPS = ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS']!=='off') || $_SERVER['SERVER_PORT']==443) ? 'https://':'http://' ); //in some cases, you need to add this condition too: if...
How to check if the user can go back in browser history or not
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A website shouldn't be able to know a user's history which could include indirect personal information. A site can use tracking/cookies to know what the user is doing on the site itself but they shouldn't, for example, be allowed ...
simple HTTP server in Java using only Java SE API
...e GET /../../blahblah http/1.1 is issued and the server walks above the website root and into system file land, serving files that can be used to compromise or remotely attack the system, like a password file.
– Lawrence Dol
Sep 17 '10 at 4:51
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Migrating from JSF 1.2 to JSF 2.0
... Facelets 2.0 immediately, then you need to do a lot of changes before the site can go live. You're basically changing the view technology here.
Master page changes
On every master page, you need to change the following basic JSP template..
<%@page contentType="text/html" pageEncoding="UTF-8"...
JavaScript: filter() for Objects
...the test implemented by the provided function." Implementing the exact opposite on a global seems pretty silly, doesn't it?
– pyrotechnick
Aug 30 '11 at 6:58
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What is PECS (Producer Extends Consumer Super)?
...ause it's a sketch for Scala, it uses Scala syntax and assumes declaration-site variance, which is quite different to Java's weird call-site variance... Maybe I should write a more detailed answer that clearly shows how this sketch applies to Java...
– Andrey Tyukin
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