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How to open, read, and write from serial port in C?

...en), and just copy and paste the bits needed into each project. You must call cfmakeraw on a tty obtained from tcgetattr. You cannot zero-out a struct termios, configure it, and then set the tty with tcsetattr. If you use the zero-out method, then you will experience unexplained intermittent failur...
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Getting the caller function name inside another function in Python? [duplicate]

...on 2 each frame record is a list. The third element in each record is the caller name. What you want is this: >>> import inspect >>> def f(): ... print inspect.stack()[1][3] ... >>> def g(): ... f() ... >>> g() g For Python 3.5+, each frame record i...
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?

... RaisePropertyChanged("ViewModelCopyOfSomeProperty"); } But typically this is only needed if more than one object will be making changes to the Model's data, which is not usually the case. If you ever have a case where you don't actually have a reference to your Model property to attach t...
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How can I print the contents of a hash in Perl?

I keep printing my hash as # of buckets / # allocated. How do I print the contents of my hash? 11 Answers ...
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Rename specific column(s) in pandas

I've got a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ? 5 Answe...
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When would anyone use a union? Is it a remnant from the C-only days?

I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
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is node.js' console.log asynchronous?

...ete, since stdout is synchronous now. Well let's see what console.log actually does. First of all it's part of the console module: exports.log = function() { process.stdout.write(format.apply(this, arguments) + '\n'); }; So it simply does some formatting and writes to process.stdout, nothing ...
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Default template arguments for function templates

Why are default template arguments only allowed on class templates? Why can't we define a default type in a member function template? For example: ...
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Get Android Phone Model programmatically

...uld like to know if there is a way for reading the Phone Model programmatically in Android. 16 Answers ...
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Returning binary file from controller in ASP.NET Web API

...rn result; } A few things to note about the stream used: You must not call stream.Dispose(), since Web API still needs to be able to access it when it processes the controller method's result to send data back to the client. Therefore, do not use a using (var stream = …) block. Web API will di...