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How to create a temporary directory?

.../bin/bash # the directory of the script DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" # the temp directory used, within $DIR # omit the -p parameter to create a temporal directory in the default location WORK_DIR=`mktemp -d -p "$DIR"` # check if tmp dir was created if [[ ! "...
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ValueError: invalid literal for int() with base 10: ''

...ame) for line in h: if line.strip(): [int(next(h).strip()) for _ in range(4)] # list of integers This way it processes 5 lines at the time. Use h.next() instead of next(h) prior to Python 2.6. The reason you had ValueError is because int cannot convert an empty string to the integ...
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How to Test a Concern in Rails

...t I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec? ...
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Asynchronously load images with jQuery

...er.com/base64-encoder.html for image encoding. $.ajax({ url : 'BASE64_IMAGE_REST_URL', processData : false, }).always(function(b64data){ $("#IMAGE_ID").attr("src", "data:image/png;base64,"+b64data); }); Solution2: Trick the browser to use its cache. This gives you a nice fadeIn() ...
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Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code

...e files in a non standard location. You'll also need to do: export LIBRARY_PATH=/usr/lib/$(gcc -print-multiarch) export C_INCLUDE_PATH=/usr/include/$(gcc -print-multiarch) export CPLUS_INCLUDE_PATH=/usr/include/$(gcc -print-multiarch) somewhere before you build (say in your .bashrc). If you ar...
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What is the difference between HTML tags and ?

...k element span is an inline element. This means that to use them semantically, divs should be used to wrap sections of a document, while spans should be used to wrap small portions of text, images, etc. For example: <div>This a large main division, with <span>a small bit</span>...
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What are the recommendations for html tag?

I've never seen <base> HTML tag actually used anywhere before. Are there pitfalls to its use that means I should avoid it? ...
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Assign one struct to another in C

...ree() because they are automatic variables: en.wikipedia.org/wiki/Automatic_variable – joshdoe Jun 19 '12 at 16:32  |  show 1 more comment ...
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What is routes.IgnoreRoute(“{resource}.axd/{*pathInfo}”)

...lers.AssemblyResourceLoader" validate="True" /> <add verb="*" path="*_AppService.axd" Ok, so what does that handler do? The AssemblyResourceLoader knows how to look for embedded files within an assembly so it can serve it (send it to the client i.e. a browser). For example, in asp.net web ...
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Renaming table in rails

...ion: class RenameFoo < ActiveRecord::Migration def self.up rename_table :foo, :bar end def self.down rename_table :bar, :foo end end share | improve this answer | ...