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Index on multiple columns in Ruby on Rails
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When editing Microsoft Office VBA, how can I disable the popup “Compile error” messages?
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
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342
Your problem is that class B is not declared as a "new-style" class. Change it like so:
class ...
Which Architecture patterns are used on Android? [closed]
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postgresql COUNT(DISTINCT …) very slow
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You can use this:
SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp;
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Referencing a string in a string array resource with xml
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edited May 23 '17 at 10:31
Community♦
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answered Nov 12 '10 at 4:34
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looping through an NSMutableDictionary
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211
A standard way would look like this
for(id key in myDict) {
id value = [myDict objectForK...
Using the Android Application class to persist data
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Killer
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answered Nov 17 '10 at 20:41
Bryan DennyBryan D...