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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
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Be careful, this could really screw you if someone ends up passing you an instance of ActiveSupport::HashWithIndifferentAccess. Which responds like a hash, but is not in fact a Hash. :(
– unflores
Mar 6 '14 at...
Hide Twitter Bootstrap nav collapse on click
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FYI, this doesn't work in all cases. If the window is re sized and it brings up the mobile menu it will be open by default.
– Andrew Boes
Sep 13 '13 at 19:59
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I didn't find “ZipFile” class in the “System.IO.Compression” namespace
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or install it through NuGet
– northben
Jan 16 '14 at 2:41
2
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Using sed to mass rename files
...e filename, which can be referenced by \2.
The replacement string puts it all together using & (the original
filename) and \1\2 which is every part of the filename except the 2nd
character, which was a 0.
This is a pretty cryptic way to do this, IMHO. If for
some reason the rename command was...
How to initialize List object in Java?
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If you check that link, you'll find some classes that implement List:
All Known Implementing Classes:
AbstractList, AbstractSequentialList, ArrayList, AttributeList, CopyOnWriteArrayList, LinkedList, RoleList, RoleUnresolvedList, Stack, Vector
Those can be instantiated. Use their links t...
BeanFactory vs ApplicationContext
...f evaluating Spring MVC for use in an upcoming company project. So far I really like what I see in Spring MVC, seems very easy to use and encourages you to write classes that are very unit test-friendly.
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How can I tell if a library was compiled with -g?
...sing a C like syntax. If neither of these formats are found this option falls back on the -W option to print any DWARF information in the file."
– Matt McClellan
Jan 5 '10 at 17:13
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Default constructor with empty brackets
... reason that an empty set of round brackets (parentheses) isn't valid for calling the default constructor in C++?
9 Answers...
Can I scroll a ScrollView programmatically in Android?
Is there any way to scroll a ScrollView programmatically to a certain position?
18 Answers
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Tricky Google interview question
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This is a really nice implementation, using a minimum of memory. It is linear memory even if you want only one number though.
– Thomas Ahle
Feb 23 '12 at 0:10
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