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How to impose maxlength on textArea in HTML using JavaScript

... I know you want to avoid jQuery, but as the solution requires JavaScript, this solution (using jQuery 1.4) is the most consise and robust. Inspired by, but an improvement over Dana Woodman's answer: Changes from that answer a...
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Why is using “for…in” for array iteration a bad idea?

...mewhere deep in your JavaScript library... Array.prototype.foo = 1; // Now you have no idea what the below code will do. var a = [1, 2, 3, 4, 5]; for (var x in a){ // Now foo is a part of EVERY array and // will show up here as a value of 'x'. console.log(x); } /* Will disp...
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Tools to get a pictorial function call graph of code [closed]

...tool to visualize callgrind data. kcachegrind callgrind.out.1234 You are now left inside an awesome GUI program that contains a lot of interesting performance data. On the bottom right, select the "Call graph" tab. This shows an interactive call graph that correlates to performance metrics in oth...
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Assignment in an if statement

...tion, but the alternatives usually involve code duplication, and when you know this pattern it's easy to get right. share | improve this answer | follow | ...
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Postgresql - change the size of a varchar column to lower length

...ne tries to update anything on that row it's going to reject it as too big now, at the point it goes to store the new version of the row. Hilarity ensues for the user. VARCHAR is a terrible type that exists in PostgreSQL only to comply with its associated terrible part of the SQL standard. If you...
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Android - Writing a custom (compound) component

...hen in the constructor, inflate a layout that uses a merge tag as a root. Now you can use it in XML, or just by newing it up. All bases are covered, which is exactly what the question/accepted answer do together. What you can't do however is refer to the layout directly anymore. It's now 'owned'...
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Font scaling based on width of container

...does not mean vw cannot be used to some extent to size for that container. Now to see any variation at all one has to be assuming that the container in some way is flexible in size. Whether through a direct percentage width or through being 100% minus margins. The point becomes "moot" if the contain...
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Why are my basic Heroku apps taking two seconds to load?

... Looking back on this now, the nest crapping was indeed achieved. Luckily Heroku handled it nicely. You can no longer have a free dyno perpetually up as the free tier is limited by uptime now. – Jenny Shoars ...
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Tables instead of DIVs [duplicate]

...into my brain. The resulting code was even less semantic. Once you get to know HTML and all it offers, you learn to write meaningful code and it all becomes simple. – nickf Sep 16 '08 at 5:08 ...
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How do I split a string so I can access item x?

... As of SQL Server 2016, there is now a built-in function STRING_SPLIT that will split a string and return a one-column table result which you can use in a SELECT statement or elsewhere. – qJake Apr 3 '17 at 20:24 ...