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Big-O for Eight Year Olds? [duplicate]

I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
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What is normalized UTF-8 all about?

...oose NFC or NFD based on the space/speed trade-off applicable, or based on what is required by something you are inter-operating with. share | improve this answer | follow ...
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What is the difference between an expression and a statement in Python?

In Python, what is the difference between expressions and statements? 14 Answers 14 ...
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Is there a tool to convert JavaScript files to TypeScript [closed]

...eScript compiler doesn't even accept pure JavaScript. I'll try to find out what went wrong. You've changed the file extension to .ts and use the function func in your other code. At first everything seems fine but then an ugly bug turns up. You decide that some static type checking would probably h...
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What exactly does the post method do?

... thread dequeues the request and notifies the widget to redraw itself. What happens if a user press a button which will do longOperation ? ((Button)findViewById(R.id.Button1)).setOnClickListener( new OnClickListener() { @Override public void onClick(V...
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Give examples of functions which demonstrate covariance and contravariance in the cases of both over

...does not support contravariant arguments in subtyping. Only covariance for what concern method return types (like in the first example). – the_dark_destructor Feb 16 '12 at 17:51 ...
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How can I open several files at once in Vim?

... What does the :n means? Looking into vim's help only points me to "repeat the last pattern" .. which I understand is the keystroke. Is there a way to get help for command mode only? – U0001 ...
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Semicolons superfluous at the end of a line in shell scripts?

... What's the practical difference between ; and ;;, then? I'm not familiar enough with BASH syntax parsing to know the practical difference between what BASH calls a "metacharacter" and what it calls a "control operator". ...
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Architecture for merging multiple user accounts together

...fier (like an id, email, or username) and a service identifier (indicating what site or service was authenticated with). In other parts of the application, outside of the database, that service identifier is paired with a method for retrieving the relevant user identifier from that service, and tha...
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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]

... tier debugging or through multiple SQL/middle tier in order to understand what's actually happening to your data. EF brings your data model into your code in a very powerful way. 4) Flexibility Stored procs and raw SQL are more "flexible". You can leverage sprocs and SQL to generate faster q...