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How to use Elasticsearch with MongoDB?

... instance. Make sure everything is up to date. sudo apt-get update Install NodeJS. sudo apt-get install nodejs sudo apt-get install npm Install MongoDB - These steps are straight from MongoDB docs. Choose whatever version you're comfortable with. I'm sticking with v2.4.9 because it seems to b...
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Check if passed argument is file or directory in Bash

I'm trying to write an extremely simple script in Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has s...
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux: 4 Answers ...
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How do I give text or an image a transparent background using CSS?

... The first hex number defines the alpha value of the color. Full solution all browsers: .alpha60 { /* Fallback for web browsers that doesn't support RGBa */ background: rgb(0, 0, 0) transparent; /* RGBa with 0.6 opacity */ background: rgba(0, 0, 0, 0.6); /* For IE 5.5 - 7*/ ...
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Correct format specifier for double in printf

...). Note that this is one place that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promoted from float to double when passed as a variadic parameter. For input you're passing a pointer, which is not promoted...
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jQuery animate backgroundColor

...best compression in this case needing only 2317 bytes and since it is so small - here it is: (function (d) { d.each(["backgroundColor", "borderBottomColor", "borderLeftColor", "borderRightColor", "borderTopColor", "color", "outlineColor"], function (f, e) { d.fx.step[e] = function (g) {...
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How to plot two histograms together in R?

...ers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers). ...
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How to replace (or strip) an extension from a filename in Python?

...-voting this answer pretty clearly means this post is helpful, no need for all-caps shaming – JeffThompson Mar 23 '19 at 21:13 add a comment  |  ...
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Pandas percentage of total with groupby

... is a table of some kind, so 100 * x doesn't intuitively make sense (especially when some of the cells contain strings like AZ, ...). – dhardy Feb 6 '15 at 9:42 6 ...
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Is there a way to automate the android sdk installation?

Now I have to download and install the Android SDK and AVD Manager, and then install the APIs, tools through the UI. Is there a way to automate this process? ...