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How to make rpm auto install dependencies

... Create a (local) repository and use yum to have it resolve the dependencies for you. The CentOS wiki has a nice page providing a how-to on this. CentOS wiki HowTos/CreateLocalRepos. Summarized and further minimized (not ideal, but quickest): Creat...
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Getting image dimensions without reading the entire file

...(jpg, png, ...)? Preferably, I would like to achieve this using only the standard class library (because of hosting restrictions). I know that it should be relatively easy to read the image header and parse it myself, but it seems that something like this should be already there. Also, I’ve verifi...
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Rails raw SQL example

How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql. ...
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What is the purpose and use of **kwargs?

...x when calling functions by constructing a dictionary of keyword arguments and passing it to your function: >>> kwargs = {'first_name': 'Bobby', 'last_name': 'Smith'} >>> print_keyword_args(**kwargs) first_name = Bobby last_name = Smith The Python Tutorial contains a good explan...
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Error: «Could not load type MvcApplication»

... As dumb as it might sound, tried everything and it did not work and finally restarted VS2012 to see it working again. share | improve this answer | ...
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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)

Note: This question is only relevant for Grunt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question. ...
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How to debug a GLSL shader?

... Why would you want to debug anything? Because its code and he wants to examine run time values I would hazard.... – RichieHH Aug 31 '15 at 10:57 3 ...
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of

...ayer.But what is the criteria for choosing number of hidden layer in a MLP and how many neural nodes in 1 hidden layer? 4 A...
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PUT vs. POST in REST

... Overall: Both PUT and POST can be used for creating. You have to ask "what are you performing the action to?" to distinguish what you should be using. Let's assume you're designing an API for asking questions. If you want to use POST then y...
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]

...s a more complete version that shows more differences between [ (aka test) and [[. The following table shows that whether a variable is quoted or not, whether you use single or double brackets and whether the variable contains only a space are the things that affect whether using a test with or wit...