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Oracle: If Table Exists

...TABLE ' || table_name; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END; ADDENDUM For reference, here are the equivalent blocks for other object types: Sequence BEGIN EXECUTE IMMEDIATE 'DROP SEQUENCE ' || sequence_name; EXCEPTION WHEN OTHERS THEN ...
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How do I get the row count of a pandas DataFrame?

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How to checkout in Git by date?

... | edited Jan 30 '19 at 14:10 bebbo 2,27311 gold badge2323 silver badges3232 bronze badges answered Aug...
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How to create a printable Twitter-Bootstrap page

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Constant Amortized Time

... Motti 95.2k4242 gold badges176176 silver badges242242 bronze badges answered Oct 30 '08 at 9:48 ArteliusArtelius...
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What's a quick way to comment/uncomment lines in Vim?

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How to use filter, map, and reduce in Python 3

...erstand... – Minato Nov 8 '18 at 12:44 1 A "quick fix" (read: hack) is to use list(map...) but no...
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Replace multiple characters in one replace call

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How to debug Ruby scripts [closed]

... 147 Use Pry (GitHub). Install via: $ gem install pry $ pry Then add: require 'pry'; binding.pr...
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Two way sync with rsync

... | edited Feb 6 '14 at 1:11 RazerM 4,0751818 silver badges2525 bronze badges answered May 29 '10...