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How to flatten nested objects with linq expression

... myBooks.SelectMany(b => b.Chapters .SelectMany(c => c.Pages .Select(p => b.Name + ", " + c.Name + ", " + p.Name))); share | ...
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The project cannot be built until the build path errors are resolved.

...ng Project > Clean... from the menu? This will force a new build on the selected projects in Eclipse. share | improve this answer | follow | ...
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Oracle query to fetch column names

...r case, I'd imagine the query would look something like: String sqlStr= " SELECT column_name FROM all_tab_cols WHERE table_name = 'USERS' AND owner = '" +_db+ "' AND column_name NOT IN ( 'PASSWORD', 'VERSION', 'ID' )" Note that with this approach, you risk SQL injection. EDIT: Uppercase...
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symbol(s) not found for architecture i386

.... To add frameworks, right click on the project name in the project view, select Add, then select Existing frameworks... from the list. Then find the framework with the symbols you're missing. As to how you find which frameworks you need, I've found using google the easiest, though you could proba...
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Is it possible to Pivot data using LINQ?

...t = GetCustData(); var query = myList .GroupBy(c => c.CustId) .Select(g => new { CustId = g.Key, Jan = g.Where(c => c.OrderDate.Month == 1).Sum(c => c.Qty), Feb = g.Where(c => c.OrderDate.Month == 2).Sum(c => c.Qty), March = g.Where(c => ...
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Set cache-control for entire S3 bucket automatically (using bucket policies?)

...it can take some time. Log in to AWS Management Console Go into S3 bucket Select all files by route Choose "More" from the menu Select "Change metadata" In the "Key" field, select "Cache-Control" from the drop down menu max-age=604800Enter (7 days) for Value Press "Save" button (thanks to @biplob ...
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How to format all Java files in an Eclipse project at one time?

... Right click on the project root and select Source -> Format. This should work for at least version 3.8.1. and above. If the above does not work, you're probably using an older Eclipse-version. In such case you can select your Source Folders by clicking on t...
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LINQ query on a DataTable

...w in myDataTable.AsEnumerable() where myRow.Field<int>("RowNo") == 1 select myRow; And as @Keith says, you'll need to add a reference to System.Data.DataSetExtensions AsEnumerable() returns IEnumerable<DataRow>. If you need to convert IEnumerable<DataRow> to a DataTable, use the...
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How to Delete using INNER JOIN with SQL Server?

...helpful for you - DELETE FROM dbo.WorkRecord2 WHERE EmployeeRun IN ( SELECT e.EmployeeNo FROM dbo.Employee e WHERE ... ) Or try this - DELETE FROM dbo.WorkRecord2 WHERE EXISTS( SELECT 1 FROM dbo.Employee e WHERE EmployeeRun = e.EmployeeNo AND .... ) ...
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Current executing procedure name

... You may try this: SELECT OBJECT_NAME(@@PROCID) Update: This command is still valid on SQL Server 2016. share | improve this answer ...