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Python List vs. Array - when to use?
...an hold completely heterogeneous, arbitrary data, and they can be appended to very efficiently, in amortized constant time. If you need to shrink and grow your list time-efficiently and without hassle, they are the way to go. But they use a lot more space than C arrays, in part because each item i...
Avoiding instanceof in Java
... when polymorphism causes more trouble than it solves.
The issue is that to use polymorphism you have to make the logic of "handle" part of each 'switching' class - i.e. Integer etc. in this case. Clearly this is not practical. Sometimes it isn't even logically the right place to put the code. He ...
Ruby: How to post a file via HTTP as multipart/form-data?
I want to do an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field.
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How do I write a for loop in bash
...cified here is inclusive. By that, I mean you will see the entire range (1 to 10) printed to the console.
– Jamie
Feb 22 '16 at 22:28
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How do I enter RGB values into Interface Builder?
...unds in Interface Builder? I can select predefined colors but I would like to manually enter in RGB values. Where can I do this?
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What is the function of the push / pop instructions used on registers in x86 assembly?
...t they push a certain register of the processor and pop it again later to restore it's previous state.
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When to use DataContract and DataMember attributes?
...- much like the old XML serializer.
So as of .NET 3.5 SP1, you don't have to add data contract or data member attributes anymore - if you don't then the data contract serializer will serialize all public properties on your class, just like the XML serializer would.
HOWEVER: by not adding those att...
Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)
...f client point of sale (POS) systems that periodically send new sales data to one centralized database, which stores the data into one big database for report generation.
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How to fix: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its
I am configuring an MVC 3 project to work on a local install of IIS and came across the following 500 error:
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What are some (concrete) use-cases for metaclasses?
I have a friend who likes to use metaclasses, and regularly offers them as a solution.
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