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Eclipse JPA Project Change Event Handler (waiting)

...4-0229) yet and because I don't need JPT/DALI in my eclipse I ended up manually removing the org.eclipse.jpt features and plugins. What I did was: 1.) exit eclipse 2.) go to my eclipse install directory cd eclipse and execute these steps: *nix: mkdir disabled mkdir disabled/features disable...
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Circle line-segment collision detection algorithm?

... exdx + eydy - dxh - dyk ) + ex2 + ey2 - 2exh - 2eyk + h2 + k2 - r2 = 0 Finally, t2( _d * _d ) + 2t( _e * _d - _d * _c ) + _e * _e - 2( _e*_c ) + _c * _c - r2 = 0 *Where _d is the vector d and * is the dot product.* And then, t2( _d * _d ) + 2t( _d * ( _e - _c ) ) + ( _e - _c ) * ( _e - _c ) - r2 = ...
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Best practices for storing postal addresses in a database (RDBMS)?

...veal some nice pearls for interpreting and validating addresses internationally. It also has a nice set of administrative areas ( province, state, oblast, etc ) with ISO codes. Here's the gist of the schema, copied from the module page: country => Country (always required, 2 character ISO code...
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Is it expensive to use try-catch blocks even if an exception is never thrown?

... try has almost no expense at all. Instead of doing the work of setting up the try at runtime, the code's metadata is structured at compile time such that when an exception is thrown, it now does a relatively expensive operation of walking up the stack an...
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Delete column from SQLite table

...the columns, whereas something like the accepted answer seems to result in all columns to be of type TEXT. – Uwe Keim Jul 10 '17 at 15:05 2 ...
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Changing Locale within the app itself

... Through the original question is not exactly about the locale itself all other locale related questions are referencing to this one. That's why I wanted to clarify the issue here. I used this question as a starting point for my own locale switching code and found out that the method is not exa...
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HTML Form: Select-Option vs Datalist-Option

...ested that the user select one of the options you've given, but he can actually enter anything he wants in the input. Edit 1: So which one you use depends upon your requirements. If the user must enter one of your choices, use the select element. If the use can enter whatever, use the datalist...
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Browser detection in JavaScript? [duplicate]

... +1 from me as well. Sometimes, it's not about feature support, it's actually about the browser. Yes, the user-agent info can be spoofed, but when you're dealing with older browsers and circumventing their bugs (like FF 3's issue with not sending the Content-Length header for read-only AJAX POST m...
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Get contentEditable caret index position

...true; if(found[i == 0 ? 1 : 0]) return false; // all done } } if(node.textContent && !node.firstChild) { for(i = 0; i < 2; i++) { if(!found[i]) cum_length[i] += node.textContent.length; } ...
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In-memory size of a Python structure

... Yep. The "4 higher" actually mostly look like "rounding up to a multiple of 8" which I believe is correct for the way malloc behaves here. No idea why decimal gets so distorted (with pympler on 2.6, too). – Alex Martelli ...