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What does Expression.Quote() do that Expression.Constant() can’t already do?
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Short answer:
The quote operator is an operator which induces closure semantics on its operand. Constants are just values.
Quotes a...
Git command to display HEAD commit id?
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Jorge Ferreira
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answered Dec 28 '09 at 4:44
Randal SchwartzRandal Schwartz
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How to get the instance id from within an ec2 instance?
...in availability-zone'
EC2_REGION="`echo \"$EC2_AVAIL_ZONE\" | sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`"
You may also use curl instead of wget, depending on what is installed on your platform.
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Best way to get child nodes
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answered Apr 30 '12 at 9:52
Tim DownTim Down
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What do the arrow icons in Subclipse mean?
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When working with the Subversion repository, remote changes (those on the repository) are incoming changes (remote → local), while ...
Remove an item from a dictionary when its key is unknown
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10 Answers
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Converting stream of int's to char's in java
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edited May 7 '09 at 23:19
answered May 7 '09 at 9:48
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Forking vs. Branching in GitHub
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answered Aug 31 '10 at 16:59
VonCVonC
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How to understand nil vs. empty vs. blank in Ruby
...used on strings, arrays and hashes and returns true if:
String length == 0
Array length == 0
Hash length == 0
Running .empty? on something that is nil will throw a NoMethodError.
That is where .blank? comes in. It is implemented by Rails and will operate on any object as well as work like .empt...
When to use an object instance variable versus passing an argument to the method
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answered Dec 6 '08 at 10:45
TomTom
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