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PostgreSQL error 'Could not connect to server: No such file or directory'
...grate in my project or even try most database tasks for my Ruby on Rails 3.2 applications.
22 Answers
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Is it possible to add dynamically named properties to JavaScript object?
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var data = {
'PropertyA': 1,
'PropertyB': 2,
'PropertyC': 3
};
data["PropertyD"] = 4;
// dialog box with 4 in it
alert(data.PropertyD);
alert(data["PropertyD"]);
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What is the printf format specifier for bool?
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Adrian Mole
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answered Jun 25 '13 at 20:52
user529758user529758...
How to set -source 1.7 in Android Studio and Gradle
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edited May 23 '17 at 12:03
Community♦
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answered Oct 19 '13 at 19:51
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How can we run a test method with multiple parameters in MSTest?
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edited Jul 28 at 21:13
Peter Mortensen
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VIM Replace word with contents of paste buffer?
...ge, Vim shifts the previous contents of register 1 into register 2, 2 into 3, and so forth, losing the previous
contents of register 9.
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Python: Checking if a 'Dictionary' is empty doesn't seem to work
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edited Apr 20 '14 at 1:37
answered Apr 20 '14 at 1:31
us...
Django admin: How to display a field that is marked as editable=False' in the model?
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3 Answers
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Passing current scope to an AngularJS Service
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answered Mar 19 '13 at 20:56
Caio CunhaCaio Cunha
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What's the difference between a proc and a lambda in Ruby?
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An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lambda {|a, b| puts a**2+b**2 } # => #<Proc:0x15016c@(irb):5 (lambda)>
l.ca...