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Eclipse: All my projects disappeared from Project Explorer

...Do File->Import General->Existing Projects into Workspace Click the "Select root directory" field and browse to each subfolder in your workspace folder, and import. For me, this was very tedious, since I had several dozen projects in my workspace, but it's the only solution I found short of ...
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SQLite DateTime comparison

... I had the same issue recently, and I solved it like this: SELECT * FROM table WHERE strftime('%s', date) BETWEEN strftime('%s', start_date) AND strftime('%s', end_date) share | ...
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Git in Visual Studio - add existing project?

... Just right click on your solution and select Add to source control. Then select Git. Now your projects has been added to a local source control. Right click on one of your files and select Commit. Then enter a commit message and select Commit. Then select Sync ...
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Add a column to a table, if it does not already exist

...onstruct by using the sys.columns table io sys.objects. IF NOT EXISTS ( SELECT * FROM sys.columns WHERE object_id = OBJECT_ID(N'[dbo].[Person]') AND name = 'ColumnName' ) share | ...
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html select option separator

How do you make a separator in a select tag? 14 Answers 14 ...
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How to get all Errors from ASP.Net MVC modelState?

... Using LINQ: IEnumerable<ModelError> allErrors = ModelState.Values.SelectMany(v => v.Errors); share | improve this answer | follow | ...
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How do I obtain a Query Execution Plan in SQL Server?

...ution plan in SQL Server Management Studio, or right click on the plan and select "Save Execution Plan As ..." to save the plan to a file in XML format. Method 2 - Using SHOWPLAN options This method is very similar to method 1 (in fact this is what SQL Server Management Studio does internally), ho...
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MySQL Results as comma separated list

... You can use GROUP_CONCAT to perform that, e.g. something like SELECT p.id, p.name, GROUP_CONCAT(s.name) AS site_list FROM sites s INNER JOIN publications p ON(s.id = p.site_id) GROUP BY p.id, p.name; share ...
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How to select the first element with a specific attribute using XPath

The XPath bookstore/book[1] selects the first book node under bookstore . 9 Answers ...
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Copy a table from one database to another in Postgres

... follow these steps: In pgAdmin, right click the table you want to move, select "Backup" Pick the directory for the output file and set Format to "plain" Click the "Dump Options #1" tab, check "Only data" or "only Schema" (depending on what you are doing) Under the Queries section, click "Use Colu...