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Image Segmentation using Mean Shift explained

Could anyone please help me understand how Mean Shift segmentation actually works? 2 Answers ...
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Does anyone still use [goto] in C# and if so why? [closed]

I was wondering whether anyone still uses the "goto" keyword syntax in C# and what possible reasons there are for doing so. ...
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How to open, read, and write from serial port in C?

I am a little bit confused about reading and writing to a serial port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1. ...
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Django migration strategy for renaming a model and relationship fields

...ome errors if you don't update the names where it's imported e.g. admin.py and even older migration files (!). Update: As ceasaro mentions, newer versions of Django are usually able to detect and ask if a model is renamed. So try manage.py makemigrations first and then check the migration file. ...
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A semantics for Bash scripts?

...ripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is everything a string? What is the...
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SQL Switch/Case in 'where' clause

...ly below, you formed the SQL incorrectly. I tested mine in SQLServer 2005 and it worked fine. – Bob Probst Oct 16 '08 at 0:48 ...
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PHP ORMs: Doctrine vs. Propel

...g a new project with symfony which is readily integrated with Doctrine and Propel , but I of course need to make a choice.... I was wondering if more experienced people out there have general pros and/or cons for going with either of these two? ...
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Modify tick label text

...() # We need to draw the canvas, otherwise the labels won't be positioned and # won't have values yet. fig.canvas.draw() labels = [item.get_text() for item in ax.get_xticklabels()] labels[1] = 'Testing' ax.set_xticklabels(labels) plt.show() To understand the reason why you need to jump thro...
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Dynamically select data frame columns using $ and a character value

I have a vector of different column names and I want to be able to loop over each of them to extract that column from a data.frame. For example, consider the data set mtcars and some variable names stored in a character vector cols . When I try to select a variable from mtcars using a dynamic s...
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Can someone explain __all__ in Python?

I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does? ...