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UPDATE multiple tables in MySQL using LEFT JOIN
I have two tables, and want to update fields in T1 for all rows in a LEFT JOIN.
5 Answers
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When to use Comparable and Comparator
...e sorting was an unusual use of the class, or the sorting only makes sense for a specific use case, then a Comparator is a better option.
Put another way, given the class name, is it clear how a comparable would sort, or do you have to resort to reading the javadoc? If it is the latter, odds are ev...
How do I specify unique constraint for multiple columns in MySQL?
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For those people using MySQL workbench: go to the Indexes tab and select UNIQUE as your type. Give your index a name and check the appropriate columns under the section "Index Columns"
– Pakman
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Bootstrap 3: Keep selected tab on page refresh
...ed and checked with some question already been asked here but none of work for me. Don't know where I am wrong. Here is my code
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JSON.NET Error Self referencing loop detected for type
...rcular references. Put the following code in WebApiConfig.cs file:
config.Formatters.JsonFormatter.SerializerSettings.ReferenceLoopHandling
= Newtonsoft.Json.ReferenceLoopHandling.Ignore;
The simple fix will make serializer to ignore the reference which will cause a loop. However, it has limitat...
Problems with Android Fragment back stack
...ay the android fragment backstack seems to work and would be most grateful for any help that is offered.
9 Answers
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Add a column to a table, if it does not already exist
I want to write a query for MS SQL Server that adds a column into a table. But I don't want any error display, when I run/execute the following query.
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angularjs directive call function specified in attribute and pass an argument to it
...ameter in the custom attribute seems to be the easiest and most robust way for defining "callback functions" in directives... thx !!
– rekna
Nov 22 '13 at 10:39
3
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The object cannot be deleted because it was not found in the ObjectStateManager
...y Framework?. You are right, this seems to be the issue in my case. Thanks for the quick answer!
– Matt
Sep 6 '13 at 10:44
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Rails where condition using NOT NIL
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Last one here isn't working for me, do we need an extra gem or plugin for this? I get: rails undefined method 'not_eq' for :confirmed_at:Symbol..
– Tim Baas
Jun 7 '11 at 10:21
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