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How to create a DataTable in C# and how to add rows?

...yTable.Columns.Add("Id", typeof(int)); MyTable.Columns.Add("Name", typeof(string)); Add row to DataTable method 1: DataRow row = MyTable.NewRow(); row["Id"] = 1; row["Name"] = "John"; MyTable.Rows.Add(row); Add row to DataTable method 2: MyTable.Rows.Add(2, "Ivan"); Add row to DataTable met...
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How do I use the CONCAT function in SQL Server 2008 R2?

...eference (Database Engine) Built-in Functions (Transact-SQL) String Functions (Transact-SQL) EDIT Martin Smith helpfully points out that SQL Server provides an implementation of ODBC's CONCAT function. shar...
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How to get a reversed list view on a list in Java?

... Guava provides this: Lists.reverse(List) List<String> letters = ImmutableList.of("a", "b", "c"); List<String> reverseView = Lists.reverse(letters); System.out.println(reverseView); // [c, b, a] Unlike Collections.reverse, this is purely a view... it doesn't a...
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Vibrate and Sound defaults on notification

...sing default vibrate and sound from system. private void sendNotification(String message, String tick, String title, boolean sound, boolean vibrate, int iconID) { Intent intent = new Intent(this, MainActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); PendingIntent pending...
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What is memory fragmentation?

...uld be nice if true, but implementations of standard C++ templates such as string & vector can have some highly undesirable behaviours when they resize. For example in older versions of visual studio the std::string basically resizes by realloc 1.5 * current_size (to the nearest 8 bytes). So if ...
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Compare two dates with JavaScript

... Why not simply use the toString() method on both dates and then compare with the == operator? Seems much easier than resetting the time and comparing afterwards, are there any drawbacks for this? – user2019515 M...
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What are CN, OU, DC in an LDAP search?

... What are CN, OU, DC? From RFC2253 (UTF-8 String Representation of Distinguished Names): String X.500 AttributeType ------------------------------ CN commonName L localityName ST stateOrProvinceName O organizationName OU organizationalUn...
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Is there a shortcut to make a block comment in Xcode?

... following code: on run {input, parameters} return "/*\n" & (input as string) & "*/" end run Now you can access that service through Xcode - Services menu, or by right clicking on the selected block of code you wish to comment, or giving it a shortcut under System Preferences. ...
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Difference Between Select and SelectMany

... return lists of lists. For example public class PhoneNumber { public string Number { get; set; } } public class Person { public IEnumerable<PhoneNumber> PhoneNumbers { get; set; } public string Name { get; set; } } IEnumerable<Person> people = new List<Person>(); /...
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json_encode/json_decode - returns stdClass instead of Array in PHP

...lue "things" and has a property "things" with it's value being an array of strings ([] = array). JSON (as JavaScript) doesn't know associative arrays only indexed arrays. So when JSON encoding a PHP associative array, this will result in a JSON string containing this array as an "object". Now we're ...