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Two-way encryption: I need to store passwords that can be retrieved
...hem. The safest method if you're going to encrypt is to protect against information disclosure vulnerabilities (XSS, remote inclusion, etc). If it gets out, the attacker can eventually crack the encryption (no encryption is 100% un-reversible without the key - As @NullUserException points out this...
What does `someObject.new` do in Java?
...Java in version 1.1 of the language they were originally defined as a transformation to 1.0 compatible code. If you look at an example of this transformation, I think it will make it a lot clearer how an inner class actually works.
Consider the code from Ian Roberts' answer:
public class Foo {
i...
Why would I use Scala/Lift over Java/Spring? [closed]
... Snippet code especially will be sprinkled with programmatically generated form elements, <div>s, <p>s, etc.
This is powerful and useful, especially since Scala has a builtin language-level XML mode. One can write XML inline within Scala methods, including variable bindings in braces. ...
What is sr-only in Bootstrap 3?
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According to bootstrap's documentation, the class is used to hide information intended only for screen readers from the layout of the rendered page.
Screen readers will have trouble with your forms if you don't include a label for every input. For these inline forms, you can hide the labe...
Is having an 'OR' in an INNER JOIN condition a bad idea?
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@ladenedge: these joins will be performed using a table scan in a nested loop. This is slow if your tables are large.
– Quassnoi
May 5 '11 at 18:43
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Difference between thread's context class loader and normal classloader
... loading request to its parent, Bootstrap and if unsuccessful, loads class form jre/lib/ext directory or any other directory pointed by java.ext.dirs system property
System or Application class loader and it is responsible for loading application specific classes from CLASSPATH environment variable,...
Git Symlinks in Windows
...e fact that git commits symlinks with special filemode 120000. With this information it's possible to add a few git aliases that allow for the creation and manipulation of git symlinks on Windows hosts.
Creating git symlinks on Windows
git config --global alias.add-symlink '!'"$(cat <<'ETX'...
Why are functions and methods in PHP case-insensitive?
...ne tool did some fancy hit logging to an mSQL database, another acted as a form data interpreter. I ended up with about 30 different little CGI programs written in C before I got sick of it, and combined all of them into a single C library. I then wrote a very simple parser that would pick tags out ...
What is The Rule of Three?
...hows two distinct copying scenarios.
The initialization person b(a); is performed by the copy constructor.
Its job is to construct a fresh object based on the state of an existing object.
The assignment b = a is performed by the copy assignment operator.
Its job is generally a little more complicate...
How do I grant myself admin access to a local SQL Server instance?
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rem %2 specifies the principal identity to be added (in the form "<domain>\<user>").
rem If omitted, the script will request elevation and add the current user (pre-elevation) to the sysadmin role.
rem If provided explicitly, the script is a...