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How do I use cascade delete with SQL Server?

...elete" to an existing foreign key in SQL Server Management Studio: First, select your Foreign Key, and open it's "DROP and Create To.." in a new Query window. Then, just add ON DELETE CASCADE to the ADD CONSTRAINT command: And hit the "Execute" button to run this query. By the way, to get a l...
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What is the difference between synchronous and asynchronous programming (in node.js)

...xamples: // Example 1 - Synchronous (blocks) var result = database.query("SELECT * FROM hugetable"); console.log("Query finished"); console.log("Next line"); // Example 2 - Asynchronous (doesn't block) database.query("SELECT * FROM hugetable", function(result) { console.log("Query finished")...
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How do I find a specific table in my EDMX model quickly?

...designer: Go to the Properties tab: In the dropdown box at the top, select your table. You should then see it highlighted in the designer. share | improve this answer | ...
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Algorithm to return all combinations of k elements from n

... takes an array of letters as an argument and a number of those letters to select. 71 Answers ...
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Logcat not displaying my log calls

...DDMS perspective, make sure the correct device (propably emulator-xxxx) is selected and highlighted. Only then will you get the logcat output in the logcat view. Also, the Android plugin is a bit quircky, and sometimes only shows the last line in the logcat view. If this happens, try to clear the l...
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Entity Framework - Include Multiple Levels of Properties

... For EF 6 using System.Data.Entity; query.Include(x => x.Collection.Select(y => y.Property)) Make sure to add using System.Data.Entity; to get the version of Include that takes in a lambda. For EF Core Use the new method ThenInclude query.Include(x => x.Collection) .ThenIncl...
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Automatically create an Enum based on values in a database lookup table?

... | 2 | Yellow | ---------------------------------- Construct a select to get the values you need: select * from enums e inner join enum_values ev on ev.enums_id=e.id where e.id=0 Construct the source code for the enum and you'll get something like: String enumSourceCode = "enum " + e...
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Filter git diff by type of change

... the two branches. From man git-diff --diff-filter=[ACDMRTUXB*] Select only files that are A Added C Copied D Deleted M Modified R Renamed T have their type (mode) changed U Unmerged X Unknown B have had their pairing Broken * All-or-none Any combination ...
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Remove the cell highlight color of UITableView

I want to remove the default blue color of uitableview cell selection. I don't want any selection color there. I have not created a custom cell class. I'm customizing the cell by adding labels and buttons over it. I tried doing: ...
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How do I interactively unstage a particular hunk in git?

... @Nawaz: That's correct - git add -p filename selectively stages changes from that file, and git reset -p filename selectively unstages changes. There's also git checkout -p -- filename, which lets you selectively discard changes from a file. Warning: each of add and res...