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Thread-safe List property

... If you are targetting .Net 4 there are a few options in System.Collections.Concurrent Namespace You could use ConcurrentBag<T> in this case instead of List<T> ...
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Remove non-utf8 characters from string

...sses all this issues. It´s called Encoding::toUTF8(). You dont need to know what the encoding of your strings is. It can be Latin1 (ISO8859-1), Windows-1252 or UTF8, or the string can have a mix of them. Encoding::toUTF8() will convert everything to UTF8. I did it because a service was giving m...
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awk without printing newline

...s printed after every line. You can change it to " " in the BEGIN section if you want everything printed consecutively. share | improve this answer | follow |...
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How do you send a HEAD HTTP request in Python 2?

... of a given URL so I can determine the MIME type. I want to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without having to download the content. Does anyone ...
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Callback when CSS3 transition finishes

...ore times than you were expecting. I am not aware of any work-around as of now. – Lev Dec 16 '13 at 20:25 23 ...
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Python: split a list based on a condition?

... good = [x for x in mylist if x in goodvals] bad = [x for x in mylist if x not in goodvals] is there a more elegant way to do this? That code is perfectly readable, and extremely clear! # files looks like: [ ('file1.jpg', 33L, '.jpg'), ('file...
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Check a radio button with javascript

... Do not mix CSS/JQuery syntax (# for identifier) with native JS. Native JS solution: document.getElementById("_1234").checked = true; JQuery solution: $("#_1234").prop("checked", true); s...
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What is Rack middleware?

... rackspace. The reason the term 'rack middleware' is confusing, as we all know, is because it was Confucius that wrote all the original rack middleware, more than 2000 years ago. In France. – LpLrich Mar 10 '15 at 17:59 ...
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scala vs java, performance and memory? [closed]

....length()>2 && mapping.get(s) != null) b.add(mapping.get(s)); Now not only did I save the time it took me to type full variable names and curly braces (freeing me to spend 5 more seconds to think deep algorithmic thoughts), but I can also enter my code in obfuscation contests and potent...
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Select distinct values from a table field

...ordering when using distinct(). See the documentation under order_by() If you don’t want any ordering to be applied to a query, not even the default ordering, call order_by() with no parameters. and distinct() in the note where it discusses issues with using distinct() with ordering. To que...