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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint

... Here's a query to check the incorrect values: select distinct referrerTable.referenceColumn from referrerTable left join referredTable on referredTable.referenceColumn = referrerTable.referenceColumn where referredTable.referenceColum...
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What does “abstract over” mean?

...pt formation, abstractions are formed by grouping things by some essential characteristics and omitting their specific other characteristics. The abstraction is unified under a single symbol or word denoting the similarities. We say that we abstract over the differences, but this really means we're ...
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Editing in the Chrome debugger

...ipt inside html files for me. Also, if you've added a folder to workspace, select the local js file, right-click and map that file to the network dito. – o-o Nov 5 '16 at 0:17 1 ...
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Sublime as default editor

... my answer, I have just googled it: Open regedit (Win+R, type "regedit", select OK). Navigate to HKEY_CLASSES_ROOT\Applications\sublime_text.exe\shell\open\command Verify that the path is accurate, correct it if it is not. Exit regedit. Open task manager via Ctrl+Alt+Del (or Ctrl+Shift+Esc for lat...
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Quicksort: Choosing the pivot

...states "Hoare suggested partitioning around the median of several randomly selected lines. Sedgewick [...] recommended choosing the median of the first [...] last [...] and middle". This indicates that both techniques for 'median-of-three' are known in the literature. (Update 2014-11-23: The articl...
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How to take backup of a single table in a MySQL database?

... You can use easily to dump selected tables using MYSQLWorkbench tool ,individually or group of tables at one dump then import it as follow: also u can add host information if u are running it in your local by adding -h IP.ADDRESS.NUMBER after-u usernam...
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How to make all Objects in AWS S3 bucket public by default?

...n.s3.amazonaws.com/policygen.html Fill in the details such as: In Action select "GetObject" Select "Add Statement" Then select "Generate Policy" Copy the text example: { "Id": "Policy1397632521960", "Statement": [ { "Sid": "Stmt1397633323327", "Action": [ "s3:GetObjec...
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Styling an input type=“file” button

...gt; In terms of styling, just hide1 the input element using the attribute selector. input[type="file"] { display: none; } Then all you need to do is style the custom label element. (example). .custom-file-upload { border: 1px solid #ccc; display: inline-block; padding: 6px 12px; ...
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Linq style “For Each” [duplicate]

...ibe(...) seems to be around 50 times slower than ToList().ForEach(...) and Select(...).ToList() – qujck Jan 6 '14 at 16:44 ...
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ng-repeat :filter by single field

... Be careful with angular filter. If you want select specific value in field, you can't use filter. Example: javascript app.controller('FooCtrl', function($scope) { $scope.products = [ { id: 1, name: 'test', color: 'lightblue' }, { id: 2, name: 'bob',...