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Ukkonen's suffix tree algorithm in plain English
...se, each
edge carries a string label of arbitrary length, but takes only O(1)
space (two pointers).
Basic principle
I would like to first demonstrate how to create the suffix tree of a
particularly simple string, a string with no repeated characters:
abc
The algorithm works in steps, from left...
How do you know when to use fold-left and when to use fold-right?
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105
You can transfer a fold into an infix operator notation (writing in between):
This example fo...
How to remove element from an array in JavaScript?
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12 Answers
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Save Screen (program) output to a file
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11 Answers
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Active
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Number of rows affected by an UPDATE in PL/SQL
I have a PL/SQL function (running on Oracle 10g) in which I update some rows. Is there a way to find out how many rows were affected by the UPDATE? When executing the query manually it tells me how many rows were affected, I want to get that number in PL/SQL.
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What is the significance of 1/1/1753 in SQL Server?
Why 1753? What do they have against 1752? My great great great great great great great grandfather would be very offended.
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What differences, if any, between C++03 and C++11 can be detected at run-time?
...compiler will return 0, and when compiled with a C++ compiler, will return 1 (the trivial sulution with
#ifdef __cplusplus is not interesting).
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How can I convert byte size into a human-readable format in Java?
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1327
Fun fact: The original snippet posted here was the most copied Java snippet of all time on S...
Add unique constraint to combination of two columns
...TER TABLE dbo.yourtablename
ADD CONSTRAINT uq_yourtablename UNIQUE(column1, column2);
or
CREATE UNIQUE INDEX uq_yourtablename
ON dbo.yourtablename(column1, column2);
Of course, it can often be better to check for this violation first, before just letting SQL Server try to insert the row and...