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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib

... Homebrew doesn't provide a way to install old version formula. And since v2.0.0, it will run brew cleanup as default behaviours every 30 days. Therefore, you may accidentally update brew and delete the old version. Here are the steps to install old version: Go to homebrew-core directory: ...
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How to add text inside the doughnut chart using Chart.js?

... Worth mentioning that it doesn't work with v2. Use included jsfiddle code for easy of use – Alwin Kesler May 24 '16 at 21:15 1 ...
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Which are more performant, CTE or temporary tables?

...(NEWID() AS BINARY(4)) FROM master..spt_values v1, master..spt_values v2; Example 1 WITH CTE1 AS ( SELECT A, ABS(B) AS Abs_B, F FROM T ) SELECT * FROM CTE1 WHERE A = 780 Notice in the plan above there is no mention of CTE1. It just accesses the base tables directly and is t...
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In Windows Azure: What are web role, worker role and VM role?

The application I work on contains a web role: it's a simple web application. I needed to host the application in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise? ...
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Why do you need to create a cursor when querying a sqlite database?

...e nonstandard, i.e. they are not part of Python Database API Specification v2.0 (PEP 249). As long as you use the standard methods of the Cursor object, you can be sure that if you switch to another database implementation that follows the above specification, your code will be fully portable. Perh...
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Why are C# interface methods not declared abstract or virtual?

...r CS0106: The modifier 'virtual' is not valid for this item". Tested using v2.0.50727 (oldest version on my PC). – ccppjava Aug 22 '13 at 10:01 3 ...
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How to optimize for-comprehensions and loops in Scala?

...ll" in a concise manner. I failed miserably and came up with object P005_V2 extends App { def isDivis(x:Int):Boolean = { var i = 1 while(i <= 20) { if (x % i != 0) return false i += 1 } return true } def find(n:Int):Int = if (isDivis(n)) n else find (n+2) pri...
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How to hash a password

... Yes that is the plan. You would then decide based on V1 and V2 which verification method you need. – Christian Gollhardt May 7 '16 at 21:42 ...
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How do I change the language of moment.js?

...ment.lang("de").format('LLL'); http://momentjs.com/docs/#/i18n/ As of v2.8.1, moment.locale('de') sets the localization, but does not return a moment. Some examples: var march = moment('2017-03') console.log(march.format('MMMM')) // 'March' moment.locale('de') // returns the new locale, in ...
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How to configure socket connect timeout

... I found this. Simpler than the accepted answer, and works with .NET v2 Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); // Connect using a timeout (5 seconds) IAsyncResult result = socket.BeginConnect( sIP, iPort, null, null ); bool success = re...