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Subtract one day from datetime

... Try this SELECT DATEDIFF(DAY, DATEADD(day, -1, '2013-03-13 00:00:00.000'), GETDATE()) OR SELECT DATEDIFF(DAY, DATEADD(day, -1, @CreatedDate), GETDATE()) ...
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UTF-8 without BOM

... solution to your problem: If you want to save a file with other encodings select save as and extend the save button in file dialog and select "Save with encoding". Or if you you want to get rid of this setting permanently just open File menu and select "Advanced save options" and there you should s...
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Reading Excel files from C#

...ed Properties=Excel 8.0;", fileName); var adapter = new OleDbDataAdapter("SELECT * FROM [workSheetNameHere$]", connectionString); var ds = new DataSet(); adapter.Fill(ds, "anyNameHere"); DataTable data = ds.Tables["anyNameHere"]; This is what I usually use. It is a little different because I u...
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How do you run a single query through mysql from the command line?

... mysql -u <user> -p -e "select * from schema.table" share | improve this answer | follow | ...
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A numeric string as array key in PHP

...around is: $id = 55; $array = array( " $id" => $value ); The space char (prepend) is a good solution because keep the int conversion: foreach( $array as $key => $value ) { echo $key; } You'll see 55 as int. s...
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Proper use cases for Android UserManager.isUserAGoat()?

... I have a solution for that. You can right click on the warning symbol and select "Toggle Breakpoint". If the following line/option is enabled it means the breakpoint is created. My point was, dummy code is bad and it should be a warning so yo don't forget ;) – Tomasz ...
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What is the maximum possible length of a .NET string?

... program may be over 2GB and the string type uses UTF-16 (2 bytes for each character), the best you could do is 1,073,741,823, but you're not likely to ever be able to allocate that on a 32-bit machine. This is one of those situations where "If you have to ask, you're probably doing something wrong...
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How do I delete NuGet packages that are not referenced by any project in my solution?

... First open the Package Manager Console. Then select your project from the dropdown list. And run the following commands for uninstalling nuget packages. Get-Package for getting all the package you have installed. and then Uninstall-Package PagedList.Mvc --- to unin...
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How to get the selected index of a RadioGroup in Android

Is there an easy way to get the selected index of a RadioGroup in Android or do I have to use OnCheckedChangeListener to listen for changes and have something that holds the last index selected? ...
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How do I view the type of a scala expression in IntelliJ

... Select expression and type Alt + =. If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field. In older versions, it's Shift + Ctrl + Alt + T. ...