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How to make a great R reproducible example

...ermutation of some values : x <- sample(1:10) for vector 1:10 in random order. a random factor : x <- sample(letters[1:4], 20, replace = TRUE) For matrices, one can use matrix(), eg : matrix(1:10, ncol = 2) Making data frames can be done using data.frame(). One should pay attention to nam...
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Is ASCII code 7-bit or 8-bit?

...ng in which bytes 0x80 through 0xFF have no defined meaning, but that's a retcon. There are dozens of text encodings that make use of the 8th bit; they can be classified as ASCII-compatible or not, and fixed- or variable-width. ASCII-compatible means that regardless of context, single bytes with v...
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WPF: Grid with column/row margin/padding?

... benefit of reacting properly to changes in orientation, expand/collapses, etc. <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <custom:MyRowObject Style="YourStyleHereOrGeneralSetter" Grid.Row="0" /> <c...
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Reduce, fold or scan (Left/Right)?

...alue. Will always result a single value. Scan is used for some processing order of items from left or right hand side, then we can make use of previous result in subsequent calculation. That means we can scan items. Will always result a collection. LEFT_REDUCE method works similar to REDUCE Metho...
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StringIO in Python3

... In order to make examples from here work with Python 3.5.2, you can rewrite as follows : import io data =io.BytesIO(b"1, 2, 3\n4, 5, 6") import numpy numpy.genfromtxt(data, delimiter=",") The reason for the change may be tha...
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AngularJS- Login and Authentication in each route and controller

...erty(prop)) { delete userProfile[prop]; } } }; var fetchUserProfile = function () { return Auth.getProfile().then(function (response) { clearUserProfile(); return angular.extend(userProfile, response.data, { $refresh: fetchUserProfile, $hasRol...
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Update relationships when saving changes of EF4 POCO objects

...s like Refresh, Load, ApplyCurrentValues, ApplyOriginalValues, MergeOption etc. But by my investigation all these features work only for single entity and affects only scalar preperties (= not navigation properties and relations). I rather not test this methods with complex types nested in entity. ...
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A Windows equivalent of the Unix tail command [closed]

...ing inside the terminal window to give you a chance to read, copy / paste, etc. If you press Enter it will resume scrolling. – cbednarski May 19 '11 at 21:50 20 ...
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How to put a UserControl into Visual Studio toolBox

...ard. Move your UserControl to a separate ClassLibrary (and fix namespaces etc). Add a ref to the classlibrary from Projects that need it. Don't bother with the GAC or anything, just the DLL file. I would not advice putting a UserControl in the normal ToolBox, but it can be done. See the answer f...
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apt-get for Cygwin?

... apt-cyg update will update setup.ini etc, if anyone has issues without of date setup.ini – nwgat Aug 4 '15 at 5:08 ...