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Detect URLs in text with JavaScript

... Finally a regex that really works in most obvious case! This one deserves a bookmarking. I tested thousands examples from googles search until i find this. – Ismael Jan 16 '15 at 15:11 ...
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Which is better in python, del or delattr?

... (foo) 6 LOAD_CONST 1 ('bar') 9 CALL_FUNCTION 2 12 POP_TOP This translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine). Like the others have said, you should really...
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Handlebars.js Else If

... {{#if FriendStatus.IsFriend}} <div class="ui-state-default ui-corner-all" title=".ui-icon-mail-closed"><span class="ui-icon ui-icon-mail-closed"></span></div> {{else if FriendStatus.FriendRequested}} <div class="ui-state-default ui-corner-all" title=".ui-icon-check"&g...
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?

...ter you can change the column encoding from utf8 to utf8mb4. This encoding allows storage of characters that occupy 4 bytes in UTF-8. You may also have to set the server property character_set_server to utf8mb4 in the MySQL configuration file. It seems that Connector/J defaults to 3-byte Unicode ot...
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Virtual Memory Usage from Java under Linux, too much memory used

... a long-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here's a way to make Hello World on a 64-bit JVM claim to take over 4...
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Programmatically generate video or animated GIF in Python?

I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...
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Iterate an iterator by chunks (of n) in Python? [duplicate]

...y_list[i:i + chunk_size] for i in range(0, len(my_list), chunk_size)] Finally, a solution that works on general iterators an behaves as desired is def grouper(n, iterable): it = iter(iterable) while True: chunk = tuple(itertools.islice(it, n)) if not chunk: return...
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How to check if the string is empty?

... s.strip() allocates a new string, which is pure waste. Use string.isspace() – Clément Jun 22 at 15:27 add a ...
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What is “:-!!” in C code?

...sizeof(struct { int: -!!(e); })) (e): Compute expression e. !!(e): Logically negate twice: 0 if e == 0; otherwise 1. -!!(e): Numerically negate the expression from step 2: 0 if it was 0; otherwise -1. struct{int: -!!(0);} --> struct{int: 0;}: If it was zero, then we declare a struct with an an...
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How do I filter query objects by date range in Django?

...year='2011', date__month='01') Edit As Bernhard Vallant said, if you want a queryset which excludes the specified range ends you should consider his solution, which utilizes gt/lt (greater-than/less-than). ...