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How to store arrays in MySQL?

... Yes, which is how the example is setup now. Any information about the person should be in the person table, any information about the fruit in the fruits table, and any information specifically about the relationship between a particular person and a particular fr...
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Mercurial: how to amend the last commit?

...nd have some other changes (3) Commit changes, resulting in revision 3 (4) Now I'll change my mind and decide "file" should not be removed from the commit, so I want to amend revision 3. Hence, I'll re-add "file" which is now unversioned (5) Now I perform rollback: it will reset the dirstate and mar...
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Bootstrap Modal immediately disappearing

...ut the <script> line for the bootstrap-modal.js and then verify that now the modal will function as expected. share | improve this answer | follow | ...
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What good technology podcasts are out there?

... This one's not specifically about development, but Security Now from Steve Gibson and Leo Laporte is an excellent discussion of security issues. I think it's a must-listen for just about any computer user who's concerned about security, and especially for web developers who are respo...
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Rails ActiveRecord date between

... Day.where(:reference_date => 6.months.ago..Time.now) works, thanks – boulder_ruby Nov 5 '12 at 1:41 ...
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How is Python's List Implemented?

... list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code. ...
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E731 do not assign a lambda expression, use a def

...or the representation, I have faced couple of different versions of this. Now, to keep things DRY, I start to reuse this common lambda. f = lambda x : x + offset a = map(f, simple_list) b = map(f, another_simple_list) At this point my code quality checker complains about lambda being a named fu...
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Single huge .css file vs. multiple smaller specific .css files? [closed]

... maintain. Highly, highly recommended. I personally use Sass (SCSS syntax) now, but used LESS previously. Both are great, with similar benefits. Once you've written CSS with a compiler, it's unlikely you'd want to do without one. http://lesscss.org http://sass-lang.com If you don't want to mess a...
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Adding a column to a data.frame

...1, 1 + cumsum(nonpos)) > classes [1] 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 Now, we can attach it back onto our data frame with cbind (by using the class= syntax, we can give the column the class heading): > data_w_classes <- cbind(data, class=classes) And data_w_classes now contains the re...
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How to change max_allowed_packet size

... I think some would also want to know how to find the my.ini file on your PC. For windows users, I think the best way is as follows: Win+R(shortcut for 'run'), type services.msc, Enter You could find an entry like 'MySQL56', right click on it, select proper...