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How do I center align horizontal menu?

... <ul id="topmenu firstlevel"> <li class="firstli" id="node_id_64"> <div><a href="#"><span>Om kampanjen</span></a> </div> </li> <li id="node_id_65"> <div><a href="#"><span>Fakta om inn...
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What does bundle exec rake mean?

...cutables without bundle exec may work, if the executable happens to be installed in your system and does not pull in any gems that conflict with your bundle. However, this is unreliable and is the source of considerable pain. Even if it looks like it works, it may not work in the future or on a...
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How to swap files between windows in VIM?

...agement without destroying and recreating windows. The swap buffers script allows these use cases. – bobpaul Oct 12 '11 at 21:10 ...
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In Python, how do I convert all of the items in a list to floats?

I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list. 12 Answers...
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deciding among subprocess, multiprocessing, and thread in Python?

I'd like to parallelize my Python program so that it can make use of multiple processors on the machine that it runs on. My parallelization is very simple, in that all the parallel "threads" of the program are independent and write their output to separate files. I don't need the threads to exchan...
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How do I check what version of Python is running my script?

... it's actually the syntax for print. not for checking the version. i use that in my python 2 and 3 scripts: PY3 = sys.version_info[0] == 3 – gcb Jul 30 '15 at 8:47 ...
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How do pointer to pointers work in C?

... 60. As to why one uses pointers to pointers: The name of an array usually yields the address of its first element. So if the array contains elements of type t, a reference to the array has type t *. Now consider an array of arrays of type t: naturally a reference to this 2D array will have typ...
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Callback functions in Java

... answered Nov 6 '14 at 10:02 Juh_Juh_ 10k44 gold badges3939 silver badges6666 bronze badges ...
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Algorithm to generate a crossword

...on which probably isn't the most efficient, but it works well enough. Basically: Sort all the words by length, descending. Take the first word and place it on the board. Take the next word. Search through all the words that are already on the board and see if there are any possible intersections (...
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How to convert latitude or longitude to meters?

...a javascript function: function measure(lat1, lon1, lat2, lon2){ // generally used geo measurement function var R = 6378.137; // Radius of earth in KM var dLat = lat2 * Math.PI / 180 - lat1 * Math.PI / 180; var dLon = lon2 * Math.PI / 180 - lon1 * Math.PI / 180; var a = Math.sin(dL...