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Matplotlib transparent line plots

... After I plotted all the lines, I was able to set the transparency of all of them as follows: for l in fig_field.gca().lines: l.set_alpha(.7) EDIT: please see Joe's answer in the comments. ...
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What is the most accurate way to retrieve a user's correct IP address in PHP?

.... In a few minutes I will update the code. – Corey Ballou Jan 9 '10 at 13:37 35 -1 this is vulne...
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How can I get Git to follow symlinks?

...o store symlinks instead of following them (for compactness, and it's generally what people want). However, I accidentally managed to get it to add files beyond the symlink when the symlink is a directory. I.e.: /foo/ /foo/baz /bar/foo --> /foo /bar/foo/baz by doing git add /bar/fo...
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What are the mathematical/computational principles behind this game?

My kids have this fun game called Spot It! The game constraints (as best I can describe) are: 9 Answers ...
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R cannot be resolved - Android error

I just downloaded and installed the new Android SDK. I wanted to create a simple application to test drive it. 108 Answers ...
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Understanding FFT output

...sqrt (real * real + imag * imag). This number will always be positive. Now all you have to search is for the maximum value (ignore the first entry in your array. That is your DC offset and carries no frequency dependent information). You get 32 real and 32 imaginary outputs because you are using a ...
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Why does dividing two int not yield the right value when assigned to double?

... to explicitly convert both a and b to double simply for clarity, but it really doesn't matter. – John Dibling Sep 27 '11 at 15:31 ...
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Freeing up a TCP/IP port?

... As the others have said, you'll have to kill all processes that are listening on that port. The easiest way to do that would be to use the fuser(1) command. For example, to see all of the processes listening for http requests on port 80 (run as root or use sudo): # f...
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How to find the largest file in a directory and its subdirectories?

...n X" instead of the only "head" above to print the top X largest files (in all the above examples) share | improve this answer | follow | ...
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Set keyboard caret position in html textbox

...ion in a Textbox or TextArea with Javascript A generic function that will allow you to insert the caret at any position of a textbox or textarea that you wish: function setCaretPosition(elemId, caretPos) { var elem = document.getElementById(elemId); if(elem != null) { if(elem.crea...