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How to detect if a stored procedure already exists

... | edited Oct 24 '13 at 9:32 SteveC 12.8k2020 gold badges8282 silver badges143143 bronze badges ...
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Is there a TRY CATCH command in Bash

...behavior using && or ||. Using ||: if command1 fails then command2 runs as follows command1 || command2 Similarly, using &&, command2 will run if command1 is successful The closest approximation of try/catch is as follows { # try command1 && #save your output ...
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View a file in a different Git branch without changing branches

...fic revision in Git? How to get just one file from another branch UPDATE 2015-01-19: Nowadays you can use relative paths with git show a1b35:./file.txt. share | improve this answer | ...
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Check empty string in Swift?

... 244 There is now the built in ability to detect empty string with .isEmpty: if emptyString.isEmpt...
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Python argparse: default value or specified value

... 286 import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?',...
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Parsing huge logfiles in Node.js - read in line-by-line

... 210 I searched for a solution to parse very large files (gbs) line by line using a stream. All the...
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?

The latest changesets to Ruby 1.9.2 no longer make the current directory . part of your LOAD_PATH . I have a non-trivial number of Rakefiles that assume that . is part of the LOAD_PATH , so this broke them (they reported "no such file to load" for all require statements that based off the proj...
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Functional, Declarative, and Imperative Programming [closed]

... 263 At the time of writing this, the top voted answers on this page are imprecise and muddled on t...
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Python loop that also accesses previous and next values

... 102 This should do the trick. foo = somevalue previous = next_ = None l = len(objects) for index, o...
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How to understand nil vs. empty vs. blank in Ruby

... answered May 20 '09 at 16:14 Corban BrookCorban Brook 20.7k44 gold badges2525 silver badges3434 bronze badges ...