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How to display nodejs raw Buffer data as Hex string

The following code uses SerialPort module to listen to data from a bluetooth connection. 2 Answers ...
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Choose newline character in Notepad++

I notice that when I load a text file, Notepad++ will recognize and use whatever the newline character in that file is, \n or \r\n . ...
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PatternSyntaxException: Illegal Repetition when using regex in Java

I don't know much regex, but I need to match a simple pattern. The following should return true, 2 Answers ...
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How to create function that returns nothing

...e a function with pl/pgsql . I'm using PostgresEnterprise Manager v3 and using shell to make a function, but in the shell I must define return type. If I don't define the return type, I'm not able to create a function. ...
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Drag and drop files into WPF

I need to drop an image file into my WPF application. I currently have a event firing when I drop the files in, but I don't know how what to do next. How do I get the Image? Is the sender object the image or the control? ...
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finding the type of an element using jQuery

In jQuery, if I have a reference to an element, how can I determine what kind of element it is, for example, an input or an dropdown? Is there any way to find out? ...
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How to define a reply-to address?

How can I define a reply-to address different than the :from one? Is that even possible? 2 Answers ...
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Using awk to print all columns from the nth to the last

This line worked until I had whitespace in the second field. 24 Answers 24 ...
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Select all child elements recursively in CSS

How can you select all child elements recursively? 2 Answers 2 ...
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Remove or adapt border of frame of legend using matplotlib

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