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Should you declare methods using overloads or optional parameters in C# 4.0?
I was watching Anders' talk about C# 4.0 and sneak preview of C# 5.0 , and it got me thinking about when optional parameters are available in C# what is going to be the recommended way to declare methods that do not need all parameters specified?
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Is sizeof(bool) defined in the C++ language standard?
I can't find an answer in the standard documentation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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Build and Version Numbering for Java Projects (ant, cvs, hudson)
What are current best-practices for systematic build numbering and version number management in Java projects? Specifically:
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Best Practices: working with long, multiline strings in PHP?
...mely simple question but I'm somewhat obsessive compulsive over the formatting of my code.
10 Answers
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How to understand nil vs. empty vs. blank in Ruby
I find myself repeatedly looking for a clear definition of the differences of nil? , blank? , and empty? in Ruby on Rails. Here's the closest I've come:
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setResult does not work when BACK button pressed
I am trying to setResult after the BACK button was pressed. I call in onDestroy
10 Answers
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Best way to merge two maps and sum the values of same key?
...al map1 = Map(1 -> 9 , 2 -> 20)
map1: scala.collection.immutable.Map[Int,Int] = Map(1 -> 9, 2 -> 20)
scala> val map2 = Map(1 -> 100, 3 -> 300)
map2: scala.collection.immutable.Map[Int,Int] = Map(1 -> 100, 3 -> 300)
scala> map1 |+| map2
res2: scala.collection.immutable...
Sort a list by multiple attributes?
... = sorted(s, key = lambda x: (x[1], x[2]))
Or you can achieve the same using itemgetter (which is faster and avoids a Python function call):
import operator
s = sorted(s, key = operator.itemgetter(1, 2))
And notice that here you can use sort instead of using sorted and then reassigning:
s.sort...
How do I pass data between Activities in Android application?
I have a scenario where, after logging in through a login page, there will be a sign-out button on each activity .
51 An...
git push says “everything up-to-date” even though I have local changes
...tosis server and a local git repository, and each time I make a big change in my code, I'll push the changes to that server too.
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