web resilience and dns round robin

web resilience and dns round robin

Nice piece of work on recent browsers resilience and dns round robin

Perl Signals

Perl Signals

Perl Signals Perl allows you to trap signals using the %SIG associative array. Using the signals you want to trap as the key, you can assign a subroutine...

Perl DBI

Perl DBI

Perl DBI Example The DBI module enables your Perl applications to access multiple database types transparently. You can connect to MySQL, MSSQL, Oracle,...

Perl OOP

Perl OOP

Perl OOP Why Object Oriented approach? A major factor in the invention of Object-Oriented approach is to remove some of the flaws encountered with the...

Perl File Operations

Perl File Operations

Perl File operations Variables which represent files are called “file handles”, and they are handled differently from other variables. They...

Perl Regular Expressions

Perl Regular Expressions

Perl Regular Expressions Metacharacters char meaning ^ beginning of string $ end of string . any character except newline * match 0 or more times + match...

Perl Subroutine

Perl Subroutine

Perl Subroutine sub mysubroutine { print "Not a very interesting routinen"; print "This does the same thing every timen"; } regardless of any parameters...

Perl References

Perl References

Perl References I’m happiest writing Perl code that does not use references because they always give me a mild headache. Here’s the short version...

Perl if else

Perl if else

The if…else Statement This statement uses a relational expression to check the validity of a condition and execute a set of statements enclosed in...

Perl Loop

Perl Loop

The Loop Statements Different loop statements in perl… The for Loop The foreach Loop The while Loop The do-while Loop The until Loop The process...