Map is an Interface and Hashmap is the class that implements Map.
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Ans. PHP (Hyper text Pre Processor) is a scripting language commonly used for web applications. PHP can be easily embedded in HTML. PHP ge...
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Public: Public declared items can be accessed everywhere. Protected: Protected limits access to inherited and parent classes (and to t...
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Technically, since HTML is an SGML application, HTML uses SGML comment syntax. However, the full syntax is complex, and browsers don't ...
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Each databases logically divided into one or more tablespaces one or more data files are explicitly created for each tablespace
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Many people used to C or Perl complain that they want to use this C idiom: while (line = readline(f)) { ...do something with line... } whe...
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$cur->new()->{LINK} The indirect object syntax only has a single token lookahead. That means if new() is a method, it only grabs the ...
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eregi_replace() function is identical to ereg_replace() except that this ignores case distinction when matching alphabetic characters.ereg...
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0 A defined (but false) 0 value is the proper indication of the end of file for read() and sysread().
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In HTML, a tag tells the browser what to do. When you write an HTML page, you enter tags for many reasons -- to change the appearance of te...
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- What does `new $cur->{LINK}' do? (Assume the curre...
- What does read() return at end of file?
- Why does Perl not have overloaded functions?
- What does `$result = f() .. g()' really return?
- Why is it hard to call this function: sub y { "bec...
- How to read from a pipeline with Perl
- How do I send e-mail from a Perl/CGI program on a ...
- How do you print out the next line from a filehand...
- How do I sort a hash by the hash key?
- How do I do < fill-in-the-blank > for each element...
- What does Perl do if you try to exploit the execve...
- Why aren't Perl's patterns regular expressions?
- What is the output of the following Perl program? ...
- I want users send data by formmail but when they s...
- Assuming $_ contains HTML, which of the following ...
- Why should I use the -w argument with my Perl prog...
- What are scalar data and scalar variables?
- How to turn on Perl warnings? Why is that important?
- What happens when you return a reference to a priv...
- Assuming both a local($var) and a my($var) exist, ...
- What is Perl one-liner?
- How do I generate a list of all .html files in a d...
- How do I do fill_in_the_blank for each file in a d...
- How do I do fill_in_the_blank for each file in a d...
- How to open and read data files with Perl
- Which of these is a difference between C++ and Perl?
- How do I set environment variables in Perl programs?
- Why do you use Perl?
- What's a negative index?
- How do I iterate over a sequence in reverse order?
- How do I convert between tuples and lists?
- Is there a scanf() or sscanf() equivalent?
- Is there a scanf() or sscanf() equivalent?
- How do I use strings to call functions/methods?
- How do I modify a string in place?
- How do I convert a number to a string?
- Is there an equivalent of C's "?:" ternary operator?
- How can my code discover the name of an object?
- How do I convert a string to a number?
- How can I find the methods or attributes of an obj...
- How do I copy an object in Python?
- How do you make a higher order function in Python?
- How can I pass optional or keyword parameters from...
- How do I share global variables across modules?
- What are the rules for local and global variables ...
- How do you set a global variable in a function?
- Is there a tool to help find bugs or perform stati...
- Why can't I use an assignment in an expression?
- What is Python?
- Describe synchronization in respect to multithread...
- What is the purpose of garbage collection in Java,...
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- What is the difference between a constructor and a...
- What is a private synonym?
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- What is a synonym?
- What is an Oracle sequence?
- What are the advantages of views?
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- What is Table ?
- What is a View ?
- What is an Extent ?
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- What is an Integrity Constrains ?
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- What are the different type of Segments ?
- Explain the relationship among Database, Tablespac...
- What is an Index Segment ?
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- What is an Oracle view?
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- Can a tablespace hold objects from different schemes?
- Can objects of the same schema reside in different...
- What are Schema Objects?
- What is schema?
- Explain the relationship among database, tablespac...
- What is SYSTEM tablespace and when is it created?
- What is a tablespace?
- What are the components of logical database struct...
- What are the components of physical database struc...
- How do I set the focus to the first form field?
- How do I make a form so it can be submitted by hit...
- Do I have to memorize a bunch of tags?
- How do I use forms?
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- How do I center a table?
- How can I use tables to structure forms?
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- Can I nest tables within tables?
- What is a DOCTYPE? Which one do I use?
- What is everyone using to write HTML?
- How comfortable are you with writing HTML entirely...
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- What is HTML?
- How do you start MySQL on Linux?
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