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Nested or Inner Class in PHP
I'm building a User Class for my new website, however this time I was thinking to build it little bit differently...
10 A...
How much size “Null” value takes in SQL Server
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If the field is fixed width storing NULL takes the same space as any other value - the width of the field.
If the field is variable width the NULL value takes up no space.
In addition to the space required to store a null value there is...
Pure virtual function with implementation
My basic understanding is that there is no implementation for a pure virtual function, however, I was told there might be implementation for pure virtual function.
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jQuery find events handlers registered with an object
I need to find which event handlers are registered over an object.
16 Answers
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Java or Python for Natural Language Processing [closed]
I would like to know which programming language is better for natural language processing. Java or Python ? I have found lots of questions and answers regarding about it. But I am still lost in choosing which one to use.
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What's the difference of “./configure” option “--build”, “--host” and “--target”?
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As noted in this blog post and alluded to in the GCC Configure Terms, --target only applies when you are compiling toolchains. When you are doing normal cross-compilation of a library or binary you use
--build=the architecture of the bu...
SQL Joins Vs SQL Subqueries (Performance)?
I wish to know if I have a join query something like this -
8 Answers
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How to test which port MySQL is running on and whether it can be connected to?
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To find a listener on a port, do this:
netstat -tln
You should see a line that looks like this if mysql is indeed listening on that port.
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN
Por...
Restore a postgres backup file using the command line?
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Your first source of reference should be the man page pg_dump(1) as that is what creates the dump itself. It says:
Dumps can be output in script or
archive file formats. Script dumps are
plain-text files containing the SQL
commands required to reconstruct
the database to the st...
How to move an iFrame in the DOM without losing its state?
Take a look at this simple HTML:
8 Answers
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