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Removing duplicates from a list of lists

....groupby(k)) [[1, 2], [3], [4], [5, 6, 2]] itertools often offers the fastest and most powerful solutions to this kind of problems, and is well worth getting intimately familiar with!-) Edit: as I mention in a comment, normal optimization efforts are focused on large inputs (the big-O approach) b...
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jquery find closest previous sibling with class

... Try: $('li.current_sub').prevAll("li.par_cat:first"); Tested it with your markup: $('li.current_sub').prevAll("li.par_cat:first").text("woohoo"); will fill up the closest previous li.par_cat with "woohoo". ...
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Why does GitHub recommend HTTPS over SSH?

... Enabling SSH connections over HTTPS if it is blocked by firewall Test if SSH over the HTTPS port is possible, run this SSH command: $ ssh -T -p 443 git@ssh.github.com Hi username! You've successfully authenticated, but GitHub does not provide shell access. If that worked, great! If not,...
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Why does overflow:hidden not work in a ?

...th. However, it doesn't work with large strings of unspaced text. Here's a test case: 11 Answers ...
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CSS: Truncate table cells, but fit as much as possible

...width of the visible content to that of the relatively-positioned parent. Tested and working in: IE8, IE9, IE10, Chrome, Firefox, Safari, Opera Result Images: JSFiddle: http://jsfiddle.net/zAeA2/ Sample HTML/CSS: <td> <!--Relative-positioned container--> <div class="co...
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Getting “type or namespace name could not be found” but everything seems ok?

...on i.e. 4.5.1 or 4.5.3 (you've re-targeted your existing projects to the latest version, but VS still creates new projects targeting v4.5, and you then reference those older projects from the new project) share | ...
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When should we implement Serializable interface?

...s or factory methods perform. Unless tricky, error prone, and difficult to test extra deserialization code is written, your code probably has a gaping security weakness. Testing interoperability of different versions of the serialized form is very difficult. Handling of immutable objects is troubles...
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What is the “assert” function?

...() and not being guaranteed to do anything, asserts should only be used to test things that the developer has assumed rather than, for example, the user entering a number rather than a letter (which should be handled by other means). ...
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Remove duplicate dict in list in Python

... @alexis I made a few tests and you are indeed right. If a lot of keys are added in between and removed later, then that could be the case. Thanks a lot for your comment. – jcollado Feb 24 '12 at 15:53 ...
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?

...) { // Sender's email ID needs to be mentioned String from = "test@gmail.com"; String pass ="test123"; // Recipient's email ID needs to be mentioned. String to = "ripon420@yahoo.com"; String host = "smtp.gmail.com"; // Get system properties Properties properties =...