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When should I use Kruskal as opposed to Pri<em>mem> (and vice versa)?
I was wondering when one should use Pri<em>mem>'s algorith<em>mem> and when Kruskal's to find the <em>mem>ini<em>mem>u<em>mem> spanning tree? They both have easy logics, sa<em>mem>e worst cases, and only difference is i<em>mem>ple<em>mem>entation which <em>mem>ight involve a bit different data structures. So what is the deciding factor?
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Collapse sequences of white space into a single character and tri<em>mem> string
Consider the following exa<em>mem>ple:
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How to stretch the background i<em>mem>age to fill a div
I want to set a background i<em>mem>age to different divs, but <em>mem>y proble<em>mem>s are:
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Internal Error 500 Apache, but nothing in the logs?
I'<em>mem> getting 500 Internal Server errors when I try to <em>mem>ake an HTTP POST to a specific address in <em>mem>y app. I've looked into the server logs in the custo<em>mem> log directory specified in the virtual hosts file, but the error doesn't show up there so debugging this has been a pain in the ass.
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Cleanest way to toggle a boolean variable in Java?
Is there a better way to negate a boolean in Java than a si<em>mem>ple if-else?
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Unix's 'ls' sort by na<em>mem>e
Can you sort an ls listing by na<em>mem>e?
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kill -3 to get java thread du<em>mem>p
I a<em>mem> using kill -3 co<em>mem><em>mem>and to see the JV<em>Mem>'s thread du<em>mem>p in unix. But where can I find the output of this kill co<em>mem><em>mem>and? I a<em>mem> lost!!
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Storing JSON in database vs. having a new colu<em>mem>n for each key
I a<em>mem> i<em>mem>ple<em>mem>enting the following <em>mem>odel for storing user related data in <em>mem>y table - I have 2 colu<em>mem>ns - uid (pri<em>mem>ary key) and a <em>mem>eta colu<em>mem>n which stores other data about the user in JSON for<em>mem>at.
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In vi<em>mem>, how do I go back to where I was before a search?
Progra<em>mem><em>mem>ing in vi<em>mem> I often go search for so<em>mem>ething, yank it, then go back to where I was, insert it, <em>mem>odify it.
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how to draw directed graphs using networkx in python?
I have so<em>mem>e nodes co<em>mem>ing fro<em>mem> a script that I want to <em>mem>ap on to a graph. In the below, I want to use Arrow to go fro<em>mem> A to D and probably have the edge colored too in (red or so<em>mem>ething).
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