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How to build query string with Javascript
...wondering if there is anything built-in to Javascript that can take a Form and return the query parameters, eg: "var1=value&var2=value2&arr[]=foo&arr[]=bar..."
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Can someone explain the dollar sign in Javascript?
...s that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, integers.
The dollar sign function $() in jQuery is a library function that is frequently used, so a short name is desirable.
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Redirect to Action in another controller
... One of them, lets call it Controller A , is in an Area called Admin and the other, lets call it Controller B , is not in any Area (I guess that means it's in the default Area ?). Controller B has an action method called Login . I have an action method in Controller A , which has...
Convert data.frame column to a vector?
...a frame is a list. When you subset a data frame using the name of a column and [, what you're getting is a sublist (or a sub data frame). If you want the actual atomic column, you could use [[, or somewhat confusingly (to me) you could do aframe[,2] which returns a vector, not a sublist.
So try run...
WPF: ItemsControl with scrollbar (ScrollViewer)
...owed this small "tutorial" on how to add a scrollbar to an ItemsControl, and it works in Designer view, but not when I compile and execute the program (only the first few items show up, and no scrollbar to view more - even when VerticalScrollbarVisibility is set to "Visible" instead of "Auto").
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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 .
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vs.
...will get rendered if the browser doesn't support OBJECT's referred plugin, and apparently, the content gets http requested regardless if it gets rendered or not.
object is the current standard tag to embed something on a page. embed was included by Netscape (along img) before anything like object...
How to Add Stacktrace or debug Option when Building Android Studio Project
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You can use GUI to add these gradle command line flags from
File > Settings > Compiler (Gradle-based Android Project)
For MacOS user, it's here
Android Studio > Preferences > Build, Execution, Deployment > Compiler
like this (add --stacktrace o...
Formatting text in a TextBlock
...can help you, for the simplest formatting options you can use Bold, Italic and Underline:
<TextBlock>
Sample text with <Bold>bold</Bold>, <Italic>italic</Italic> and <Underline>underlined</Underline> words.
</TextBlock>
I think it is worth not...
Programmatically go back to the previous fragment in the backstack
...opBackStack() methods (there are several to choose from)
http://developer.android.com/reference/android/app/FragmentManager.html#popBackStack()
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