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Select TreeView Node on right click before displaying ContextMenu
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Depending on the way the tree was populated, the sender and the e.Source values may vary.
One of the possible solutions is to use e.OriginalSource and find TreeViewItem using the VisualTreeHelper:
private void OnPreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
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JSON formatter in C#?
Looking for a function that will take a string of Json as input and format it with line breaks and indentations. Validation would be a bonus, but isn't necessary, and I don't need to parse it into an object or anything.
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How to write LaTeX in IPython Notebook?
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Now is working on Jupiter. I put %%latex in a cell, and import the from IPython.display import Latex. After that, the Jupyter notebook recognizes Latex notation.
– Miguel Gutierrez
Jun 28 at 3:42
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How do I run a Ruby file in a Rails environment?
... almost does what I want to do, but I'd like to just give it the file name and arguments. I'm pretty sure this is possible since I've done it before. Can someone remind me how to do this?
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Can I set variables to undefined or pass undefined as an argument?
I’m a bit confused about JavaScript’s undefined and null values.
10 Answers
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How to use a variable for the database name in T-SQL?
I use the database name in several places in my script, and I want to be able to quickly change it, so I'm looking for something like this:
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How to validate an email address in JavaScript
... for "RFC822" or "RFC2822" to get a proper regex.
– Randal Schwartz
Sep 8 '10 at 2:34
45
This doe...
What is private bytes, virtual bytes, working set?
...e a reliable indicator of how much memory an executable is actually using, and none of them are really appropriate for debugging a memory leak.
Private Bytes refer to the amount of memory that the process executable has asked for - not necessarily the amount it is actually using. They are "private...
round() for float in C++
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there is also lround and llround for integral results
– sp2danny
Feb 23 '15 at 11:55
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Why does Stream not implement Iterable?
...s. That's something they should put in there. This seems to be more of a standard practice than a formal specification.
– Lii
Apr 2 '14 at 9:06
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