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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
8 Answers
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...that the long, convoluted Facebook URLs that we're used to now look like this:
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PostgreSQL: Difference between text and varchar (character varying)
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There is no difference, under the hood it's all varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum ...
How to check for a valid Base64 encoded string
Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
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Design Patterns web based applications [closed]
I am designing a simple web-based application. I am new to this web-based domain.I needed your advice regarding the design patterns like how responsibility should be distributed among Servlets, criteria to make new Servlet, etc.
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What is Rack middleware?
What is Rack middleware in Ruby? I couldn't find any good explanation for what they mean by "middleware".
9 Answers
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What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
What is the basic difference between the Factory and Abstract Factory Patterns?
19 Answers
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input() error - NameError: name '…' is not defined
I am getting an error when I try to run this simple script:
14 Answers
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Check if an apt-get package is installed and then install it if it's not on Linux
I'm working on a Ubuntu system and currently this is what I'm doing:
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What is the difference between and ?
What is the difference between <section> and <div> in HTML ? Aren't we defining sections in both cases?
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