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sql primary key and index

Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed? ...
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Injecting Mockito mocks into a Spring bean

...ecute(). Second one don't invoke real method. You can check also Mockito.doCallRealMethod() documentation – Tomasz Przybylski Mar 10 '16 at 20:50  |  ...
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How to draw circle in html page?

... You can't draw a circle per se. But you can make something identical to a circle. You'd have to create a rectangle with rounded corners (via border-radius) that are one-half the width/height of the circle you want to make. #circle { width: 50px; height: 50px; ...
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How do I decode a string with escaped unicode?

I'm not sure what this is called so I'm having trouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string r...
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Enumerable.Empty() equivalent for IQueryable

... Say you have an IQueryable<T> called result: return result.Take(0); share | improve this answer | follow | ...
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Can bash show a function's definition?

...This does find out what foobar was, and if it was defined as a function it calls declare -f as explained by pmohandras. To print out just the body of the function (i.e. the code) use sed: type foobar | sed '1,3d;$d' share...
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String Concatenation using '+' operator

....i should have checked in IL as well..and this is how int adds as well? by calling the Add method? – NoviceProgrammer Apr 26 '12 at 20:57 ...
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How can one see the structure of a table in SQLite? [duplicate]

... todos_server_snapshot sqlite> .schema alarms CREATE TABLE alarms (ROWID INTEGER PRIMARY KEY AUTOINCREMENT, alarm_id, todo INTEGER, flags INTEGER, offset_days INTEGER, reminder_date INTEGER, time INTEGER, argument, unrecognized_data...
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How to rename a table in SQL Server?

... table name. (I know, I know, but dots can happen...) E.g. sp_rename '[Stupid.name]', 'NewName' or with schema sp_rename '[dbo.Stupid.name]', 'NewName' – vacip Jul 25 '16 at 14:44 ...
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Is there a command to list all Unix group names? [closed]

... Yes MichaelIT is right the groups command did not list all groups. I asked this because unsure if there is a simple command like groups to lists all groups names or even a swith to it like groups [-a|--all] to list all system groups without doing file scan. ...