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How to implement a queue with three stacks?
...SUMMARY
O(1) algorithm is known for 6 stacks
O(1) algorithm is known for 3 stacks, but using lazy evaluation which in practice corresponds to having extra internal data structures, so it does not constitute a solution
People near Sedgewick have confirmed they are not aware of a 3-stack solution wi...
Apply style to only first level of td tags
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Shog9
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answered Mar 5 '09 at 1:39
bobincebobince
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Intellij shortcut to convert code to upper or lower case?
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edited Jan 3 '13 at 19:23
Felipe
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Reset C int array to zero : the fastest way?
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edited Mar 3 '17 at 16:22
answered Feb 5 '12 at 2:25
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Git: Correct way to change Active Branch in a bare repository?
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edited May 23 '17 at 11:54
Community♦
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answered Jul 21 '10 at 17:22
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Where is the .NET Framework 4.5 directory?
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.NET 4.5 is an in place replacement for 4.0 - you will find the assemblies in the 4.0 directory....
SQL Developer is returning only the date, not the time. How do I fix this?
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Can you try this?
Go to Tools> Preferences > Database > NLS and set the Date Format ...
Returning an array using C
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You can't return arrays from functions in C. You also can't (shouldn't) do this:
char *return...
How should I escape strings in JSON?
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answered Jun 11 '10 at 3:58
ThanatosThanatos
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How do you delete a column by name in data.table?
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Any of the following will remove column foo from the data.table df3:
# Method 1 (and preferred as it takes 0.00s even on a 20GB data.table)
df3[,foo:=NULL]
df3[, c("foo","bar"):=NULL] # remove two columns
myVar = "foo"
df3[, (myVar):=NULL] # lookup myVar contents
# Method 2a -- A saf...