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How to find list of possible words from a letter matrix [Boggle Solver]

... +150 My answer works like the others here, but I'll post it because it looks a bit faster than the other Python solutions, from setting up ...
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How do I use itertools.groupby()?

... ("vehicle", "school bus")] for key, group in groupby(things, lambda x: x[0]): for thing in group: print("A %s is a %s." % (thing[1], key)) print("") This will give you the output: A bear is a animal. A duck is a animal. A cactus is a plant. A speed boat is a vehicle. A schoo...
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How do you remove a Cookie in a Java Servlet

...okie to persist for the duration of the session. You want to set MaxAge to 0 instead. From the API documentation: A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted. ...
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What's the difference between echo, print, and print_r in PHP?

...s you have in your variables. Consider this test program: $values = array(0, 0.0, false, ''); var_dump($values); print_r ($values); With print_r you can't tell the difference between 0 and 0.0, or false and '': array(4) { [0]=> int(0) [1]=> float(0) [2]=> bool(false) [3]=...
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Code for a simple JavaScript countdown timer?

I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded? ...
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Format output string, right alignment

...r.format syntax: line_new = '{:>12} {:>12} {:>12}'.format(word[0], word[1], word[2]) And here's how to do it using the old % syntax (useful for older versions of Python that don't support str.format): line_new = '%12s %12s %12s' % (word[0], word[1], word[2]) ...
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How do I select elements of an array given condition?

... answered Jun 13 '10 at 0:50 jfsjfs 326k132132 gold badges817817 silver badges14381438 bronze badges ...
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SVG: text inside rect

...t element ( so it appears on top ). <svg xmlns="http://www.w3.org/2000/svg"> <g> <rect x="0" y="0" width="100" height="100" fill="red"></rect> <text x="0" y="50" font-family="Verdana" font-size="35" fill="blue">Hello</text> </g> </sv...
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Operation on every pair of element in a list

... | edited Jun 3 '09 at 18:12 answered Jun 3 '09 at 0:24 ...
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How to detect IE11?

...) { var ua = navigator.userAgent; var re = new RegExp("MSIE ([0-9]{1,}[\\.0-9]{0,})"); if (re.exec(ua) != null) rv = parseFloat( RegExp.$1 ); } else if (navigator.appName == 'Netscape') { var ua = navigator.userAgent; var re = new RegExp("Trident/.*rv:([0...