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cannot load such file — zlib even after using rvm pkg install zlib
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maerics
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answered Mar 15 '12 at 21:39
Razor StormRazor...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
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4 Answers
4
Active
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What is the session's “secret” option?
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HacknightlyHacknightly
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bash assign default value
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edited Dec 14 '10 at 9:29
answered Dec 14 '10 at 9:23
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Are nested span tags OK in XHTML?
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143
Yes it will. You can help yourself by using the w3's validator direct input option:
<!DOCTY...
Why do enum permissions often have 0, 1, 2, 4 values?
Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ?
7 Answers
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Array.Add vs +=
...them in as few operations as possible, ex:
$arr = 1..3 #Array
$arr += (4..5) #Combine with another array in a single write-operation
$arr.Count
5
If that's not possible, consider using a more efficient collection like List or ArrayList (see the other answer).
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What is causing this ActiveRecord::ReadOnlyRecord error?
...d (hack)
Use :include => :card instead of :join => :card
Rails 2.3.4 and above
Most of the above no longer holds true, after September 10 2012:
using Record.find_by_sql is a viable option
:readonly => true is automatically inferred only if :joins was specified without an explicit :sele...
How do I browse an old revision of a Subversion repository through the web view?
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answered Mar 16 '09 at 17:14
SebSeb
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Saving grid.arrange() plot to file
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147
grid.arrange draws directly on a device. arrangeGrob, on the other hand, doesn't draw anything ...