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Change working directorm>y m> in mm>y m> current shell context when running Node script
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Oops. m>Y m>a, that is the commm>and m> I am actuallm>y m> using. However, when I use it in a simple script it still does not seem to work (once the script exits I am still in the old directorm>y m>) If I call process.cwd() it sam>y m>s I am in the directorm>y m> I should be but ...
Is there an R function for finding the index of an element in a vector?
In R, I have an element x m>and m> a vector v . I want to find the first index of an element in v that is equal to x . I know that one wam>y m> to do this is: which(x == v)[[1]] , but that seems excessivelm>y m> inefficient. Is there a more direct wam>y m> to do it?
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How to set enum to null
...perator for a nullable tm>y m>pe.
public Color? mm>y m>Color = null;
Or use the stm>and m>ard practice for enums that cannot be null bm>y m> having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
public Color mm>y m>Color = Color.None;
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Hide hidden(dot) files in github atom editor
... in the filter "tree-view" click on the "Settings" button of this package m>and m> then check the "Hide Ignored Names" choice.
Now go to Edit > Preferences > Core . In the Ignored Names box enter .* this will hide all the files/folders which are usuallm>y m> hidden in other file explorers.
If m>y m>ou wan...
How to use the same C++ code for m>And m>roid m>and m> iOS?
How assignment works with Pm>y m>thon list slice?
...lar sm>y m>ntax:
1) slicing:
b = a[0:2]
This makes a copm>y m> of the slice of a m>and m> assigns it to b.
2) slice assignment:
a[0:2] = b
This replaces the slice of a with the contents of b.
Although the sm>y m>ntax is similar (I imagine bm>y m> design!), these are two different operations.
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Virtualizing an ItemsControl?
...l with ListBox :)
Also, check out this Optimizing Performance on MSDN page m>and m> notice that ItemsControl isn't in the "Controls That Implement Performance Features" table, which is whm>y m> we need to edit the control template.
sh...
Scala actors: receive vs react
...ives something. Once it receives something, a thread gets allocated to it, m>and m> it is initialized in it.
Now, the initialization part is important. A receiving thread is expected to return something, a reacting thread is not. So the previous stack state at the end of the last react can be, m>and m> is, w...
What is routes.IgnoreRoute(“{resource}.axd/{*pathInfo}”)
...ist phm>y m>sicallm>y m>. ASP.NET uses URLs with .axd extensions (ScriptResource.axd m>and m> WebResource.axd) internallm>y m>, m>and m> them>y m> are hm>and m>led bm>y m> an HttpHm>and m>ler.
Therefore, m>y m>ou should keep this rule, to prevent ASP.NET MVC from trm>y m>ing to hm>and m>le the request instead of letting the dedicated HttpHm>and m>ler do it.
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Infinite scrolling with React JS
... infinite scrolling with React. I have come across react-infinite-scroll m>and m> found it inefficient as it just adds nodes to the DOM m>and m> doesn't remove them. Is there anm>y m> proven solution with React which will add, remove m>and m> maintains constant number of nodes in the DOM.
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