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In Objective-C why should I check if self = [super init] is not nil?

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Get index of element as child relative to parent

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What is Mocking?

...oncept of mocking to objects. Replacing "object" with "unit" would make it more general. – Rogério Nov 8 '10 at 15:24 1 ...
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How to avoid using Select in Excel VBA

...but am unsure of how to avoid using it. I am finding that my code would be more re-usable if I were able to use variables instead of Select functions. However, I am not sure how to refer to things (like the ActiveCell etc.) if not using Select . ...
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Make Font Awesome icons in a circle?

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How do I connect to a MySQL Database in Python?

...e. You will have to look at the documentation. A good starting point. 3 - More advanced usage Once you know how it works, You may want to use an ORM to avoid writing SQL manually and manipulate your tables as they were Python objects. The most famous ORM in the Python community is SQLAlchemy. I ...
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How can you do anything useful without mutable state?

...t just setting up all kinds of boundaries to purposefully make programming more difficult. My point of view, you're just experiencing the Blub paradox. I was skeptical at first, but I jumped on the functional programming train a few years ago and fell in love with it. The trick with functional prog...
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What is the cleanest way to disable CSS transition effects temporarily?

... Your solution is right, but for those looking for more background information: stackoverflow.com/a/31862081/1026 – Nickolay Aug 8 '15 at 17:36 2 ...
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Static method behavior in multi-threaded environment in java

...sant's answer is good. But I thought I would try and explain at a slightly more simple level for anybody who comes across this and is newish to Java. Here goes.. Memory in java is split up into two kinds - the heap and the stacks. The heap is where all the objects live and the stacks are where the ...
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Algorithm to generate a crossword

...crossword, give it a score based on how many of the words were placed (the more the better), how large the board is (the smaller the better), and the ratio between height and width (the closer to 1 the better). Generate a number of crosswords and then compare their scores and choose the best one. ...