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Why does i = i + i give me 0?

... Could you expand on your answer a bit? – DeaIss Jun 11 '14 at 22:16 17 ...
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How to add a border just on the top side of a UIView

... I consider subclassing UIView and overriding drawRect overkill here. Why not add an extension on UIView and add border subviews? @discardableResult func addBorders(edges: UIRectEdge, color: UIColor, inset: CGFloat = 0.0, ...
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What is the colon operator in Ruby?

...ifferent objects, even if they are equal content. == compares the content, and the equivalent checks with symbols are much faster. user system total real string 0.370000 0.000000 0.370000 ( 0.371700) str == str 0.330000 0.000000 0.330000 ( 0.326368...
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What are the aspect ratios for all Android phone and tablet devices?

I'm looking for a list of all screen aspect ratios for popular Android based Phones and Tablets. 5 Answers ...
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Adding gif image in an ImageView in android

...copy your GIF image into Asset Folder of your app create following classes and paste the code AnimationActivity: - public class AnimationActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(saved...
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MySQL connection not working: 2002 No such file or directory

I'm trying to set up WordPress. I have Apache and MySQL running, and the accounts and database are all set up. I tried to make a simple connection: ...
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Determine the data types of a data frame's columns

I'm using R and have loaded data into a dataframe using read.csv() . How do I determine the data type of each column in the data frame? ...
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How do I iterate over an NSArray?

I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+. 8 Answers ...
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Compare two dates with JavaScript

...uggest a way to compare the values of two dates greater than, less than, and not in the past using JavaScript? The values will be coming from text boxes. ...
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What's the syntax for mod in java

... Careful with the terms mod and modular because n (mod m) IS ALWAYS >= 0 but not n % m. n % m is in the range > -m and < m. Although Java has a remainder operator for int and long types, it has no modulus function or operator. I.e., -12 % 10 = ...