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SQL to find the number of distinct values in a column

I can select all the distinct values in a column in the following ways: 11 Answers 11 ...
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Getting Checkbox Value in ASP.NET MVC 4

... the value on the checkbox element to false. This means that when you then select the checkbox, you are posting the value "false" with the form. When you don't select it, it doesn't get posted, so the model defaults to false. Which is why you are seeing a false value in both cases. The value is onl...
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IntelliJ shortcut to show a popup of methods in a class that can be searched

... the list or highlight the desired element. Press Enter to navigate to the selected element. share | improve this answer | follow | ...
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CSS Child vs Descendant selectors

I am a bit confused between these 2 selectors. 8 Answers 8 ...
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How to get Top 5 records in SqLite?

... SELECT * FROM Table_Name LIMIT 5; share | improve this answer | follow | ...
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jQuery: Get selected element tag name

... be helpful when comparing prop('tagName') result to a tag name. if($("my_selector").prop("tagName").toLowerCase() == 'div') or if($("my_selector").prop("tagName").toUpperCase() == 'DIV') – S.Thiongane Jun 4 '14 at 14:39 ...
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Can Android Studio be used to run standard Java projects?

...id Studio. If you do not have one, create one. Click File > New Module. Select Java Library and click Next. Fill in the package name, etc and click Finish. You should now see a Java module inside your Android project. Add your code to the Java module you've just created. Click on the drop down to...
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Xcode is not currently available from the Software Update server

...e Xcode command line tools is pointed correctly using this command xcode-select -p Which might show some path like /Applications/Xcode.app/Contents/Developer Change the path to correct path using the switch command xcode-select --switch /Library/Developer/CommandLineTools/ this should...
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Why there is no ForEach extension method on IEnumerable?

... Couldn't you just use Select instead of your Apply method? It seems to me that applying an action to each element and yielding it is exactly what Select does. E.g. numbers.Select(n => n*2); – rasmusvhansen ...
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Django select only rows with duplicate field values

...ithout this, the subquery fails. The extra values tricks the ORM into only selecting the name column for the subquery. share | improve this answer | follow | ...