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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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How to elegantly deal with timezones

... times on the server are UTC. That means using, like you said, DateTime.UtcNow. Try to trust the client passing dates to the server as little as possible. For example, if you need "now", don't create a date on the client and then pass it to the server. Either create a date in your GET and pass it t...
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Unpacking, extended unpacking and nested extended unpacking

...the length of this post, but I decided to opt for completeness. Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest some simple substitution rules. Basically, you might...
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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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How do I design a class in Python?

...ant the first footstep of a dog, you do something like: dog.footstep(0) Now, it may be that for your case you need to read in your raw data file and compute the footstep locations. All this could be hidden in the footstep() function so that it only happens once. Something like: class Dog: de...
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How to move a model between two Django apps (Django 1.7)

...ll new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure. ...
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A proper wrapper for console.log with correct line number?

I'm now developing an application, and place a global isDebug switch. I would like to wrap console.log for more convenient usage. ...
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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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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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What would cause an algorithm to have O(log n) complexity?

My knowledge of big-O is limited, and when log terms show up in the equation it throws me off even more. 6 Answers ...