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MySQL “incorrect string value” error when save unicode string in Django

...8mb4 uses 33% more space than utf-8 you'll need to make these fields 33% smaller. In this case, change the max_length from 255 to 191. Alternatively you can edit your MySQL configuration to remove this restriction but not without some django hackery UPDATE: I just ran into this issue again and ...
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Postgres DB Size Command

What is the command to find the size of all the databases? 10 Answers 10 ...
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What specific productivity gains do Vim/Emacs provide over GUI text editors?

...few keypresses that someone would've otherwise spent ten minutes doing manually. Multiple copy/paste registers. When you only have one, you end up going through strange contortions to avoid clobbering the clipboard. You shouldn't have to. Vim's undo/redo system is unbeatable. Type something, undo...
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Grabbing the href attribute of an A element

...ml($node), PHP_EOL; } The above would find and output the "outerHTML" of all A elements in the $html string. To get all the text values of the node, you do echo $node->nodeValue; To check if the href attribute exists you can do echo $node->hasAttribute( 'href' ); To get the href att...
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How do I fix the indentation of an entire file in Vi?

In Vim, what is the command to correct the indentation of all the lines? 16 Answers 16...
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How do I remove javascript validation from my eclipse project?

... I actually like MY JavaScript files to be validated, but I definitely don't want to validate and deal with trivial warnings with third party libraries. That's why I think that turning off validation all together is too drastic. F...
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Rails find record with zero has_many records associated [duplicate]

...92465 - also answers your question about constructing the inverse and does all this with Arel – novemberkilo Sep 29 '13 at 16:06 5 ...
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PHP Regex to check date is in YYYY-MM-DD format

...ing to be more fuss -- and February 29 cannot be validated with a regex at all. The drawback of this approach is that you have to be very careful to reject all possible "bad" inputs while not emitting a notice under any circumstances. Here's how: explode is limited to return 3 tokens (so that if ...
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Javascript web app and Java server, build all in Maven or use Grunt for web app?

...'t great and writing your own plugins can be a little tricky. When I originally wrote this post JAWR was in the middle of a 4 year hiatus but is now back under active development as of Jan 2014. If you choose to investigate Java Tools this is worth investigation. Node Based Tooling (integrated wit...
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How do I see the commit differences between branches in git?

... branch-X and have added a couple more commits on top of it. I want to see all the differences between MASTER and the branch that I am on in terms of commits. I could just do a ...