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What's the best manner of implementing a social activity stream? [closed]
I'm interested in hearing your opinions in which is the best way of implementing a social activity stream (Facebook is the most famous example). Problems/challenges involved are:
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MySQL indexes - what are the best practices?
I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
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Always pass weak reference of self into block in ARC?
I am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, s...
List vs tuple, when to use each? [duplicate]
In Python, when should you use lists and when tuples?
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What is a void pointer in C++? [duplicate]
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The Use of Multiple JFrames: Good or Bad Practice? [closed]
I'm developing an application which displays images, and plays sounds from a database. I'm trying to decide whether or not to use a separate JFrame to add images to the database from the GUI.
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How to make a cross-module variable?
The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it?
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How do you implement a good profanity filter?
Many of us need to deal with user input, search queries, and situations where the input text can potentially contain profanity or undesirable language. Oftentimes this needs to be filtered out.
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Scripting Language vs Programming Language [closed]
Can anyone explain the difference between Scripting Language and Programming Language please?
Also can you state some examples for each. I have Googled a lot but I always find the best answers from Stack Overflow.
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More elegant way of declaring multiple variables at the same time
To declare multiple variables at the "same time" I would do:
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