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Database Structure for Tree Data Structure
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Joe Celko has written a book on this subject, which is a good reference from a general SQL perspective (it is mentioned in the nested set article link above).
Also, Itzik Ben-Gann has a good overview of the most common options in his book "Inside Microsoft SQL Server 2005: T-SQL Querying".
The ...
How to deny access to a file in .htaccess
.../directives in the htaccess of subdirectories get applied superceding ones from the parent).
So you can have:
<Files "log.txt">
Order Allow,Deny
Deny from all
</Files>
For Apache 2.4+, you'd use:
<Files "log.txt">
Require all denied
</Files>
In an htaccess fi...
What is the difference between include and extend in Ruby?
...e methods)
include is a private method, because it's intended to be called from within the container class/module.
However, modules very often override include's behavior by monkey-patching the included method. This is very prominent in legacy Rails code. more details from Yehuda Katz.
Further d...
instantiate a class from a variable in PHP?
...
This is how I do it. Note that from within classes you can use parent and self.
– Ross
Feb 10 '09 at 20:55
1
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How to close a Java Swing application from the code
What is the proper way to terminate a Swing application from the code, and what are the pitfalls?
9 Answers
...
The term “Context” in programming? [closed]
...action forward. They may then ask you which account you'd like to withdraw from. When you answer, "My savings account", that's even more context.
The more context you give, the more knowledge the other party has to help deal with your request. Sometimes context is optional (like typing more and mo...
What is the best way to implement “remember me” for a website? [closed]
...dentifier and a token. The series and token are unguessable random numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine).
When a non-logged-in user visits the site and presents a login cookie, the series identifier is looked up in the...
How do you rename a Git tag?
...s/tags/old
git push --tags
The colon in the push command removes the tag from the remote repository. If you don't do this, Git will create the old tag on your machine when you pull.
Finally, make sure that the other users remove the deleted tag. Please tell them (co-workers) to run the following ...
Where is the .NET Framework 4.5 directory?
...
Thanks, but what about this page from MSDN. msdn.microsoft.com/en-us/library/bb397428. It mentions a 4.5.0.0 directory?
– Nick Randell
Aug 22 '12 at 9:56
...
Parse config files, environment, and command-line arguments, to get a single collection of options
...s an advantage, because users will only have to learn one syntax.) Setting fromfile_prefix_chars to, for example, @, makes it so that,
my_prog --foo=bar
is equivalent to
my_prog @baz.conf
if @baz.conf is,
--foo
bar
You can even have your code look for foo.conf automatically by modifying ar...