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Natural Sort Order in C#

...haNumeric<T>(this IEnumerable<T> source, Func<T, string> selector) { int max = source .SelectMany(i => Regex.Matches(selector(i), @"\d+").Cast<Match>().Select(m => (int?)m.Value.Length)) .Max() ?? 0; return source.OrderBy(i => Regex.Replace(s...
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How does database indexing work? [closed]

...arising from the file systems size limits, careful thought must be used to select the correct fields to index. Since indices are only used to speed up the searching for a matching field within the records, it stands to reason that indexing fields used only for output would be simply a waste of disk...
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Error in finding last used cell in Excel with VBA

...ad data? You will end up reaching the last row in the worksheet! It's like selecting cell A1 and then pressing End key and then pressing Down Arrow key. This will also give you unreliable results if there are blank cells in a range. CountA is also unreliable because it will give you incorrect resul...
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What is the difference between partitioning and bucketing a table in Hive ?

... Interesting, I agree w.r.t the usage in select query. But wondered why people are using clustered by and sorted by together in table creation statement. If there is no significance to SORTED BY in DDL, then why this keyword is present? Didnt get that. ...
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Cmake vs make sample codes?

... on your system configuration. Second, you perform the actual build in the selected build system. Sources and build instructions are available at https://github.com/rhoelzel/make_cmake. share | im...
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Get Character value from KeyCode in JavaScript… then trim

... "LEFT", // [37] "UP", // [38] "RIGHT", // [39] "DOWN", // [40] "SELECT", // [41] "PRINT", // [42] "EXECUTE", // [43] "PRINTSCREEN", // [44] "INSERT", // [45] "DELETE", // [46] "", // [47] "0", // [48] "1", // [49] "2", // [50] "3", // [51] "4", // [52] "5", // [53]...
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Why Qt is misusing model/view terminology?

...t provides simple views for their models. They have a controller built in: selecting, editing and moving items are something what in most cases a controller "controls". That is, interpreting user input (mouse clicks and moves) and giving the appropriate commands to the model. Qt's models are indeed...
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Parse JSON in C#

...result = new List<DynamicJsonObject>((result as ArrayList).ToArray().Select(x => new DynamicJsonObject(x as IDictionary<string, object>))); } else if (result is ArrayList) { result = new List<object>((result as ArrayList).ToArray()); }...
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

...var command = connection.CreateCommand()) { command.CommandText = "SELECT MyColumn1, MyColumn2 FROM MyTable"; using (var reader = command.ExecuteReader()) { while (reader.Read()) { ProcessData(reader.GetString(2)); // Throws! } } }...
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Difference between Repository and Service Layer?

...Model GetByClient(int id) { return _clientRepository.Get(id).Select(c => new OrdersByClientViewModel { Cient = new ClientViewModel { ...init with values from c...} Orders = c.Orders.Select(o => new OrderViewModel { ......