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Function to Calculate Median in SQL Server

...er apps. Take a look at this article from 2012 which is a great resource: https://sqlperformance.com/2012/08/t-sql-queries/median This article found the following pattern to be much, much faster than all other alternatives, at least on the simple schema they tested. This solution was 373x faster (...
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When should I use UNSIGNED and SIGNED INT in MySQL?

...e's a table of the ranges of values each INTEGER type can store: Source: http://dev.mysql.com/doc/refman/5.6/en/integer-types.html UNSIGNED ranges from 0 to n, while signed ranges from about -n/2 to n/2. In this case, you have an AUTO_INCREMENT ID column, so you would not have negatives. Thus, u...
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Is it possible to open a Windows Explorer window from PowerShell?

...shell prompt. Using this method, you can also pass cmd-line arguments (see http://support.microsoft.com/kb/314853) The Invoke-Item cmdlet provides a way to run an executable file or to open a file (or set of files) from within Windows PowerShell. Alias: ii use system.diagnostics.process Examples: ...
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How to disable “Save workspace image?” prompt in R?

...k on "Properties", and add --no-save to the command that starts R. (from http://tolstoy.newcastle.edu.au/R/help/05/03/1115.html) If you are using a different editor than Rgui, you have to pass --no-save to the R command line when starting R ...
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Read a file in Node.js

... To read the html file from server using http module. This is one way to read file from server. If you want to get it on console just remove http module declaration. var http = require('http'); var fs = require('fs'); var server = http.createServer(function(r...
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ping response “Request timed out.” vs “Destination Host unreachable”

...acket filtering, routing error, or a silent discard. For more info Refer: http://technet.microsoft.com/en-us/library/cc940095.aspx share | improve this answer | follow ...
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How to find if div with specific id exists in jQuery?

...f(window["myId"]){ // .. } This is also part of HTML5 specs: https://www.w3.org/TR/html5/single-page.html#accessing-other-browsing-contexts#named-access-on-the-window-object window[name] Returns the indicated element or collection of elements. ...
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How to exclude property from Json Serialization

...e { get; set; } public DateTime NextShipmentDate { get; set; } } Refer http://james.newtonking.com/archive/2009/10/23/efficient-json-with-json-net-reducing-serialized-json-size for more details share | ...
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Comment the interface, implementation or both?

...d therefore works with Intellisense in referenced NuGet packages. It's at www.inheritdoc.io (free version available). share | improve this answer | follow | ...
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How to get a password from a shell script without echoing

... The -s option of read is not defined in the POSIX standard. See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/read.html. I wanted something that would work for any POSIX shell, so I wrote a little function that uses stty to disable echo. #!/bin/sh # Read secret string read_s...