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Learn C first before learning Objective-C [closed]

Being an aspiring Apple developer, I want to get the opinions of the community if it is better to learn C first before moving into Objective-C and ultimately the Cocoa Framework? ...
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How to filter Android logcat by application? [duplicate]

How can I filter Android logcat output by application? I need this because when I attach a device, I can't find the output I want due to spam from other processes. ...
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How do you create a Distinct query in HQL

Is there a way to create a Distinct query in HQL. Either by using the "distinct" keyword or some other method. I am not sure if distinct is a valid keywork for HQL, but I am looking for the HQL equivalent of the SQL keyword "distinct". ...
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How do I insert NULL values using PDO?

I'm using this code and I'm beyond frustration: 9 Answers 9 ...
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Benefits of prototypal inheritance over classical?

So I finally stopped dragging my feet all these years and decided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the li...
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Is 'switch' faster than 'if'?

Is a switch statement actually faster than an if statement? 12 Answers 12 ...
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When should I make explicit use of the `this` pointer?

When should I explicitly write this->member in a method of a class? 12 Answers 12...
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In Python, how do I convert all of the items in a list to floats?

I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list. 12 Answers...
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Where do I use delegates? [closed]

What are some real world places that call for delegates? I'm curious what situations or patterns are present where this method is the best solution. No code required. ...
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Access to private inherited fields via reflection in Java

I found a way to get inherited members via class.getDeclaredFields(); and acces to private members via class.getFields() But i'm looking for private inherited fields. How can i achieve this? ...