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How can you use optional parameters in C#?

Note: This question was asked at a time when C# did not yet support optional parameters (i.e. before C# 4). 23 Answers ...
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How to resume Fragment from BackStack if exists

I am learning how to use fragments. I have three instances of Fragment that are initialized at the top of the class. I am adding the fragment to an activity like this: ...
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makefile:4: *** missing separator. Stop

This is my makefile: 10 Answers 10 ...
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Abstract classes in Swift Language

Is there a way to create an abstract class in the Swift Language, or is this a limitation just like Objective-C? I'd like to create a abstract class comparable to what Java defines as an abstract class. ...
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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a

We all know you can't do the following because of ConcurrentModificationException : 26 Answers ...
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What is Full Text Search vs LIKE

I just read a post mentioning "full text search" in SQL. 6 Answers 6 ...
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Best way to format integer as string with leading zeros? [duplicate]

I need to add leading zeros to integer to make a string with defined quantity of digits ($cnt). What the best way to translate this simple function from PHP to Python: ...
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“for” vs “each” in Ruby

I just had a quick question regarding loops in Ruby. Is there a difference between these two ways of iterating through a collection? ...
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Handling optional parameters in javascript

I have a static javascript function that can take 1, 2 or 3 parameters: 12 Answers 12 ...
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Submit form on pressing Enter with AngularJS

In this particular case, what options do I have to make these inputs call a function when I press Enter? 12 Answers ...