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Tetris-ing an array

...a include the algorithm to find the longest common prefix, thus making actually using a tree structure unnecessary? Ie why check the tree for multiple children when you could detect that while building the tree. Why then a tree at all? I mean if you start with an array already. If you can change the...
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Styling HTML email for Gmail

... } </style> <xml> <o:OfficeDocumentSettings> <o:AllowPNG/> <o:PixelsPerInch>96</o:PixelsPerInch> </o:OfficeDocumentSettings> </xml> <![endif]--> This is just a simple example, but, who know, it might come in handy some time. ...
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Tool for generating railroad diagram used on json.org [closed]

...string and value using string ::= ... and value ::= ... The references are all shown. Check out some of the example diagrams on the page. They have XML and even EBNF itself. share | improve this an...
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How to compare two floating point numbers in Bash?

...true or false. Please, ensure that the bc basic calculator package is installed. This equally works for floats in scientific format, provided a capital letter E is employed, e.g. num1=3.44E6 share | ...
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How can I find an element by CSS class with XPath?

.../div[contains(concat(' ', @class, ' '), ' Test ')] If you wished to be really certain that it will match correctly, you could also use the normalize-space function to clean up stray whitespace characters around the class name (as mentioned by @Terry): //div[contains(concat(' ', normalize-space(@...
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Firebug says “No Javascript on this page”, even though JavaScript does exist on the page

... 'debugger' option. See this page for a discussion on the migration. Read all the posts dated 19 November for further information. It seems to me that the option gives less functionality but Firebug per se is never going to be fixed for Firefox 50 and beyond ...
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convert '1' to '0001' in JavaScript [duplicate]

...' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]); ...
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Shrink a YouTube video to responsive width

...be videos or is there something that I can add to the code to make it go smaller? 10 Answers ...
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How can I remove all text after a character in bash?

How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to. ...
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Use dynamic (variable) string as regex pattern in JavaScript

...g as regex: Not every string is a valid regex, though: there are some speciall characters, like ( or [. To work around this issue, simply escape the string before turning it into a regex. A utility function for that goes in the sample below: function escapeRegExp(stringToGoIntoTheRegex) { return...