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design a stack such that getMinimum( ) should be O(1)
...ent than two stacks of the same size (fewer overheads - arrays, list nodes etc) although it will depend on language.
– Jon Skeet
Mar 26 '09 at 10:30
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...ded source code
external request (curl)
client/attacker's Host: request
etc
Usually its done via the local (SAPI) config file. Note that you have configured it correctly, e.g. in Apache ➫➫:
A couple of things need to be 'faked' to make the dynamic virtual host look like a normal one.
The m...
In C# what is the difference between a destructor and a Finalize method in a class?
...nmanaged recources in the dispose
method like database connection, files etc. The class implementing
dispose method should implement IDisposable interface.A Dispose method
should call the GC.SuppressFinalize method for the object it is
disposing if the class has desturctor because it has alr...
How and why do I set up a C# build machine? [closed]
...cludes ID'ing it via the md5 hash, uploading it, copying it, archiving it, etc. It does this automatically and provides you with a long running history of build artifacts.
Q: How often should we make this kind of build?
A: We have ours poll SVN every hour, looking for code changes, then running a ...
What's the difference between IEquatable and just overriding Object.Equals()?
...at classes such as List<T>, Dictionary<K,V>, HashSet<T>, etc. These structures make heavy use of GetHashCode and Equals. But for value types this required boxing. IEquatable<T> lets a structure implement a strongly typed Equals method so no boxing is required. Thus much bette...
Is there documentation for the Rails column types?
...5 characters (depending on DBMS)
Use for short text fields (names, emails, etc)
Text:
Unlimited length (depending on DBMS)
Use for comments, blog posts, etc. General rule of thumb: if it's captured via textarea, use Text. For input using textfields, use string.
Integer:
Whole numbers
Float:
...
How to loop through file names returned by find?
...o a command run by a higher-privileged user. Consider than $'/tmp/evil $\n/etc/passwd', for instance, would cause your code to not only skip iterating over '/tmp/evil ', but would also add /etc/passwd to the list of contents you iterate over.
– Charles Duffy
Ap...
What is the difference between URI, URL and URN? [duplicate]
...number and route the call appropriately (+1 for the USA, 816 for Missouri, etc.).
– Stefan Gehrig
Feb 6 '11 at 13:07
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Configuring Log4j Loggers Programmatically
... on the root logger with
Logger.getRootLogger().getLoggerRepository().resetConfiguration();
and start with adding your own. You need log4j in the classpath of course for this to work.
Remark:
You can take any Logger.getLogger(...) you like to add appenders. I just took the root logger because i...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...plication is using, which cuts down on network traffic, unnecessary joins, etc.
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