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What is the difference between ~> and >= when specifying rubygem in Gemfile?
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That's a pessimistic version constraint. RubyGems will increment the last digit in the version provided and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to:
gem "cucumber", ">=0.8.5", "<0.9.0"
The easy way to think abo...
How to move one word left in the vi editor
I use the shortcut w to move the cursor one word right. Is there a shortcut to move a word left?
5 Answers
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How do ports work with IPv6?
Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface:
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How to cast an object in Objective-C
Is there a way to cast objects in objective-c much like the way objects are cast in VB.NET?
5 Answers
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How do I escape reserved words used as column names? MySQL/Create Table
...pe it in a create table statement? (Note: The other problem below is text must be a fixed size to be indexed/unique)
3 Answ...
Measuring text width to be drawn on Canvas ( Android )
Is there a method which returns the width ( in pixels ) of a text to be drawn on an Android canvas using the drawText() method according to the Paint used to draw it?
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Making Maven run all tests, even when some fail
I have a project with several modules. When all tests pass, Maven test runs them all.
5 Answers
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How do I pipe a subprocess call to a text file?
RIght now I have a script that I run. When I run it and it hits this line, it starts printing stuff because run.sh has prints in it.
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gdb: how to print the current line or find the current line number?
list commands prints a set of lines, but I need one single line, where I am and where an error has probably occurred.
5 An...
How to convert a java.util.List to a Scala list
...ort scala.collection.JavaConversions._
will do implicit conversion for you; e.g.:
var list = new java.util.ArrayList[Int](1,2,3)
list.foreach{println}
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