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Semicolon before self-invoking function? [duplicate]

...eventing the ui tabs from working properly. The error message was Invalid character in jquery.all.ui.js Line: 1. Char: 1. I stumbled on the semi-colon completely by chance. When I removed the ; from the ;(function($) it worked, seemingly without side-effects or loss of functionality. I am using ...
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When to use SELECT … FOR UPDATE?

Please help me understand the use-case behind SELECT ... FOR UPDATE . 2 Answers 2 ...
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Select Multiple Fields from List in Linq

... Anonymous types allow you to select arbitrary fields into data structures that are strongly typed later on in your code: var cats = listObject .Select(i => new { i.category_id, i.category_name }) .Distinct() .OrderByDescending(i => i.c...
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Replace one substring for another string in shell script

...easily breaks on any nontrivial input string (irregular spacing, shell metacharacters, etc). – tripleee Jul 17 '18 at 16:54 ...
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1052: Column 'id' in field list is ambiguous

...and tbl_section which has both the id field in them. How do I go about selecting the id field, because I always get this error: ...
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Flatten an irregular list of lists

...s it fails with the cycle.. i think because a string is also an "array"-of-chars – sten Mar 20 '18 at 20:16 add a comment  |  ...
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What is the difference between “INNER JOIN” and “OUTER JOIN”?

...he intersection of the two tables, i.e. the two rows they have in common. select * from a INNER JOIN b on a.a = b.b; select a.*, b.* from a,b where a.a = b.b; a | b --+-- 3 | 3 4 | 4 Left outer join A left outer join will give all rows in A, plus any common rows in B. select * from a LEFT OUT...
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SQL - find records from one table which don't exist in another

...shortest statement, and may be quickest if your phone book is very short: SELECT * FROM Call WHERE phone_number NOT IN (SELECT phone_number FROM Phone_book) alternatively (thanks to Alterlife) SELECT * FROM Call WHERE NOT EXISTS (SELECT * FROM Phone_book WHERE Phone_book.phon...
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How can I use the $index inside a ng-repeat to enable a class and show a DIV?

... The issue here is that ng-repeat creates its own scope, so when you do selected=$index it creates a new a selected property in that scope rather than altering the existing one. To fix this you have two options: Change the selected property to a non-primitive (ie object or array, which makes jav...
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Mysql: Select rows from a table that are not in another

How to select all rows in one table that do not appear on another? 8 Answers 8 ...