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How can I profile Python code line-by-line?

I've been using cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer). ...
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Data Modeling with Kafka? Topics and Partitions

One of the first things I think about when using a new service (such as a non-RDBMS data store or a message queue) is: "How should I structure my data?". ...
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What is the difference between ELF files and bin files?

The final images produced by compliers contain both bin file and extended loader format ELf file ,what is the difference between the two , especially the utility of ELF file. ...
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What is the difference between a string and a byte string?

I am working with a library which returns a byte string and I need to convert this to a string. 7 Answers ...
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Parse JSON in C#

I'm trying to parse some JSON data from the Google AJAX Search API. I have this URL and I'd like to break it down so that the results are displayed. I've currently written this code, but I'm pretty lost in regards of what to do next, although there are a number of examples out there with simplifie...
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What is the difference between min SDK version/target SDK version vs. compile SDK version?

What are the differences between "min sdk version/target sdk version" and "compile sdk version"? I know what min and target sdk means, but what does compile sdk version mean? ...
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How do you change Background for a Button MouseOver in WPF?

... This works, however the button Borders will vanish ! Had to put a <Border BorderBrush="DarkGray" BorderThickness="1" > element around the button. – Venugopal M Mar 6 '15 at 8:16 ...
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Scheduling recurring task in Android

I'm designing an app that has a recurring task of sending presence to a dedicated server as long as the app is in foreground. ...
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CSS: fixed position on x-axis but not y?

...instructions for building the proteins necessary to construct an entire organism. DNA, or deoxyribonucleic acid, is found within most cells of an organism, and most organisms have their own unique DNA code. One exception to this is cloned organisms, which have the same exact DNA code as their parent...
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Best approach to real time http streaming to HTML5 video client

...The answer now, is to create fragmented mp4 assets, with a DASH and HLS manifest. > Pretend flash, iOS9 and below and IE 10 and below don't exist. Everything below this line is out of date. Keeping it here for posterity. EDIT 2: As people in the comments are pointing out, things change....