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How do you debug MySQL stored procedures?

...E debug_msg(enabled INTEGER, msg VARCHAR(255)) BEGIN IF enabled THEN select concat('** ', msg) AS '** DEBUG:'; END IF; END $$ CREATE PROCEDURE test_procedure(arg1 INTEGER, arg2 INTEGER) BEGIN SET @enabled = TRUE; call debug_msg(@enabled, 'my first debug message'); call debug_msg(@ena...
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Remove duplicates in the list using linq

... var distinctItems = items.GroupBy(x => x.Id).Select(y => y.First()); share | improve this answer | follow | ...
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Unknown file type MIME?

...own data. RFC-2046 defines only known types but RFC-7231 tells you how to handle unknown types. – Sampo Sarrala - codidact.org Feb 22 '15 at 17:31 ...
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How to solve “Fatal error: Class 'MySQLi' not found”?

... If you're calling "new mysqli(..)" from within a class that is namespaced, you might see a similar error Fatal error: Class 'foo\bar\mysqli' not found in. The way to fix this is to explicitly set it to the root namespace with a preceding backslash like so: &l...
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Eclipse JUNO doesn't start

...mation have i lost by removing this file, and is there a way to recover it from the file? – inor Oct 10 '12 at 5:55 Th...
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Disable ONLY_FULL_GROUP_BY

...ove ONLY_FULL_GROUP_BY from mysql console mysql > SET GLOBAL sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY','')); you can read more here Solution 2: Remove ONLY_FULL_GROUP_BY from phpmyadmin Open phpmyadmin & select localhost Click on menu Variables & scroll down for sq...
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How do I install an R package from source?

...o try it. However, the first step is to installed a package called RJSONIO from source. 6 Answers ...
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What is the best way to conditionally apply a class?

...ul with an li for each element and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS? ...
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How to fully delete a git repository created with init?

... also type cd (the space is important), drag and drop your git repo folder from Finder to the terminal window, press return, then type rm -fr .git, then return again. On Ubuntu, use shortcut Ctrl + H. share | ...
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Explicit vs implicit SQL joins

...e joined and how they are joined. Try compare larger SQL queries where you selecting from 8 different tables and you have lots of filtering in the where. By using join syntax you separate out the parts where the tables are joined, to the part where you are filtering the rows. ...