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rails i18n - translating text with links inside

... en.yml log_in_message_html: "This is a text, with a %{href} inside." log_in_href: "link" login.html.erb <p> <%= t("log_in_message_html", href: link_to(t("log_in_href"), login_path)) %> </p> ...
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The simplest way to resize an UIImage?

...e of the resizing options. Or you can use this utility method, if you actually need to resize an image: + (UIImage *)imageWithImage:(UIImage *)image scaledToSize:(CGSize)newSize { //UIGraphicsBeginImageContext(newSize); // In next line, pass 0.0 to use the current device's pixel scaling fa...
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In Python, how do I index a list with another list?

...ng, either by integer, slice or index-list: class Flexlist(list): def __getitem__(self, keys): if isinstance(keys, (int, slice)): return list.__getitem__(self, keys) return [self[k] for k in keys] Which, for your example, you would use as: L = Flexlist(['a', 'b', 'c', 'd', 'e...
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How to return result of a SELECT inside a function in PostgreSQL?

... -- potential ambiguity END $func$ LANGUAGE plpgsql; Call: SELECT * FROM word_frequency(123); Explanation: It is much more practical to explicitly define the return type than simply declaring it as record. This way you don't have to provide a column definition list with eve...
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How does C compute sin() and other math functions?

...on in C, contributed by IBM. Since October 2011, this is the code that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x). This code is very complex. N...
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How do I integrate Ajax with Django applications?

...ction, going to 127.0.0.1:8000/home will return the index.html and replace all the variables as asked (you probably know all this by now). Now let's talk about AJAX. AJAX calls are client-side code that does asynchronous requests. That sounds complicated, but it simply means it does a request for y...
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How to set JAVA_HOME in Linux for all users

... For all users, I would recommend placing the following line in /etc/profile export JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:/bin/javac::") This will update dynamically and works well with the alternatives system. Do not...
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Mimicking sets in JavaScript?

...the list is a little safer with this: if (Object.prototype.hasOwnProperty.call(obj, A)) // put code here } because of potential conflict between built-in methods and/or properties on the base Object like the constructor property. Sidebar on ES6: The current working version of ECMAScript 6 or s...
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Extract month and year from a zoo::yearmon object

... Ha thank you for this answer. It especially beats the other solutions when you want to do something like if(year(date1) > 2014){year(date1) <- year(date1) - 100} – Vincent Feb 10 '14 at 9:34 ...
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Concurrent HashSet in .NET Framework?

...ass. private ConcurrentBag<string> _data; Self-implementation Finally, as you did, you can implement your own data type, using lock or other ways that the .NET provides you to be thread-safe. Here is a great example: How to implement ConcurrentHashSet in .Net The only drawback of this sol...