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Concat all strings inside a List using LINQ

....Boo); Console.ReadKey(); } } And here is my best :) items.Select(i => i.Boo).Aggregate((i, j) => i + delimiter + j) share | improve this answer | foll...
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What's the Point of Multiple Redis Databases?

...e instances lets you take advantage of multiple cores. If you use database selection you will have to refactor when upgrading. Monitoring and managing multiple instances is not difficult nor painful. Indeed, you would get far better metrics on each db by segregation based on instance. Each instanc...
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis

...ollowed to solve the problem as following: Right click on the edmx file, select Open with, XML editor Locate the entity in the edmx:StorageModels element Remove the DefiningQuery entirely Rename the store:Schema="dbo" to Schema="dbo" (otherwise, the code will generate an error saying the name is i...
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IIS Express Windows Authentication

... and the <UseGlobalApplicationHostFile> option in the project file selects the default or solution-specific config file. share | improve this answer | follow ...
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Missing styles. Is the correct theme chosen for this layout?

...nc all my Gradle files. After that I restart Android Studio, and I go to: Select Theme -> Project Themes -> AppTheme share | improve this answer | follow ...
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How can I use Async with ForEach?

...ext db = new DataLayer.DataContext()) { var tasks = db.Groups.ToList().Select(i => GetAdminsFromGroupAsync(i.Gid)); var results = await Task.WhenAll(tasks); } The benefits of this approach over giving an async delegate to ForEach are: Error handling is more proper. Exceptions from asy...
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Is there a way to get element by XPath using JavaScript in Selenium WebDriver?

... For something like $x from chrome command line api (to select multiple elements) try: var xpath = function(xpathToExecute){ var result = []; var nodesSnapshot = document.evaluate(xpathToExecute, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null ); for ( var i=0 ...
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update columns values with column of another table based on condition [duplicate]

...ble1.id = table2.id You can also try this: UPDATE table1 SET price=(SELECT price FROM table2 WHERE table1.id=table2.id); share | improve this answer | follow ...
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Is floating point math broken?

...e last place. The table of reciprocals of Y (1/Y) is known as the quotient selection table (QST) in the slow division, and the size in bits of the quotient selection table is usually the width of the radix, or a number of bits of the quotient computed in each iteration, plus a few guard bits. For t...
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Is there a command for formatting HTML in the Atom editor?

...t go to this link: https://atom.io/packages/search?q=prettify Once you've selected a package that does what you want you can install it by using the command: apm install [package name] from the command line or install it using the interface in Preferences. When the package is installed, follow its...