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JavaScript code to stop form submission

... The following works as of now (tested in Chrome and Firefox): <form onsubmit="event.preventDefault(); validateMyForm();"> Where validateMyForm() is a function that returns false if validation fails. The key point is to use the name event. We ...
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How to force the browser to reload cached CSS/JS files?

...cess: RewriteEngine on RewriteRule ^(.*)\.[\d]{10}\.(css|js)$ $1.$2 [L] Now, we write the following PHP function: /** * Given a file, i.e. /css/base.css, replaces it with a string containing the * file's mtime, i.e. /css/base.1221534296.css. * * @param $file The file to be loaded. Mus...
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Is it possible to have a multi-line comments in R? [duplicate]

... <- function(x) { # Non! Comment it out! We'll just do it once for now. "if (x %in% 1:9) { doTenEverythings() }" doEverythingOnce() ... return(list( everythingDone = TRUE, howOftenDone = 1 )) } The main limitation is that when you'...
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Initializing C# auto-properties [duplicate]

... bar; } } It's unfortunate that there's no way of doing this right now. You have to set the value in the constructor. (Using constructor chaining can help to avoid duplication.) Automatically implemented properties are handy right now, but could certainly be nicer. I don't find myself wanti...
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Why is a combiner needed for reduce method that converts type in java 8

...s processed by its own thread in the sequential fashion I described above. Now, if we have N threads, we have N intermediate results. These need to be reduced down to one result. Since each intermediate result is of type T, and we have several, we can use the same accumulator function to reduce thos...
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LINQ-to-SQL vs stored procedures? [closed]

...e gets cluttered quick. (3) You've written a powerful select statement but now you want the user to be able to pick the column that gets sorted - in TSQL you might have to use a CTE that does a row_number over each column that could be sorted; in LINQ it can be solved with a few if statements in an ...
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Inserting multiple rows in mysql

... @RPK. I agree with you but I don't know her data source. As I already wrote, if she has a file, I would use load data syntax as cularis suggests. :) – Nicola Cossu Jul 31 '11 at 11:54 ...
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How to inherit from a class in javascript?

... I have changed how I do this now, I try to avoid using constructor functions and their prototype property, but my old answer from 2010 is still at the bottom. I now prefer Object.create(). Object.create is available in all modern browsers. I should not...
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Detect encoding and make everything UTF-8

...sses all this issues. It´s called Encoding::toUTF8(). You don't need to know what the encoding of your strings is. It can be Latin1 (ISO 8859-1), Windows-1252 or UTF-8, or the string can have a mix of them. Encoding::toUTF8() will convert everything to UTF-8. I did it because a service was giving...
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Will Dart support the use of existing JavaScript libraries?

... The answer is now Yes! Dart now ships a JS-interop library to use existing JavaScript code with your Dart app. Learn more here: https://www.dartlang.org/articles/js-dart-interop/ ...