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Data binding to SelectedItem in a WPF Treeview

How can I retrieve the item that is selected in a WPF-treeview? I want to do this in XAML, because I want to bind it. 20 An...
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How to check if object (variable) is defined in R?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Makefile经典教程(入门必备) - C/C++ - 清泛网移动版 - 专注C/C++及内核技术

...令工具,一般来说,大多数的IDE都有这个命令,比如:Delphi的make,Visual C++的nmake,Linux下GNU的make。可见,makefile都成为了一种在工程方面的编译方法。 0.1 关于程序的编译和链接 编译时,编译器需要的是语法的正确...
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How do I ignore files in a directory in Git?

...ific language use can be found here (thanks to Chris McKnight's comment): https://github.com/github/gitignore share | improve this answer | follow | ...
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Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"

... message, this will enable the brew option for gnuplot to include aquaterm https://github.com/mxcl/homebrew/issues/14647#issuecomment-21132477 Check to see if the proper AquaTerm library symlinks exist by doing these checks: ls /usr/local/lib/libaquaterm* ls /usr/local/include/aquaterm/* The fi...
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How can I delete all Git branches which have been merged?

... UPDATE: You can add other branches to exclude like master and dev if your workflow has those as a possible ancestor. Usually I branch off of a "sprint-start" tag and master, dev and qa are not ancestors. First, list all branch...
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Difference between left join and right join in SQL Server [duplicate]

...ble2 ... and Select * from Table2 right join Table1 ... are indeed completely interchangeable. Try however Table2 left join Table1 (or its identical pair, Table1 right join Table2) to see a difference. This query should give you more rows, since Table2 contains a row with an id which is not pre...
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Should a return statement be inside or outside a lock?

I just realized that in some place in my code I have the return statement inside the lock and sometime outside. Which one is the best? ...
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How can I change the color of AlertDialog title and the color of the line under it

...ng that the phone supports the Holo style). You can find the project here: https://github.com/danoz73/QustomDialog It should easily enable going from boring blue to exciting orange! The project is basically an example of using a custom dialog builder, and in the example I created a custom view t...
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Use of “global” keyword in Python

What I understand from reading the documentation is that Python has a separate namespace for functions, and if I want to use a global variable in that function, I need to use global . ...