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Getting the current page

...rollView.frame.size.width; NSInteger page = (scrollView.contentOffset.x + (0.5f * width)) / width; share | improve this answer | follow | ...
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Calculate total seconds in PHP DateInterval

... 209 Could you not compare the time stamps instead? $now = new DateTime('now'); $diff = $date->...
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)

.... – Jonathan Leffler Aug 1 '13 at 4:03 7 Technically, $(echo foo) creates a command substitution,...
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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”

...split() >>> sorted(list(partition('e', words).items())) [(0, ['star']), (2, ['mews']), (5, ['even', 'eyes']), (6, ['deed', 'peep'])] """ result = defaultdict(list) for word in words: key = sum(1 << i for i, letter in enumerate(word) if letter == guess) ...
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Is there a built in function for string natural sort?

...tsort import natsorted, ns >>> x = ['Elm11', 'Elm12', 'Elm2', 'elm0', 'elm1', 'elm10', 'elm13', 'elm9'] >>> natsorted(x, key=lambda y: y.lower()) ['elm0', 'elm1', 'Elm2', 'elm9', 'elm10', 'Elm11', 'Elm12', 'elm13'] >>> natsorted(x, alg=ns.IGNORECASE) # or alg=ns.IC ['elm0...
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jQuery append() vs appendChild()

... 105 The main difference is that appendChild is a DOM method and append is a jQuery method. The seco...
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Linux: compute a single hash for a given folder & contents?

...d xargs. One possible command would be find path/to/folder -type f -print0 | sort -z | xargs -0 sha1sum | sha1sum And, finally, if you also need to take account of permissions and empty directories: (find path/to/folder -type f -print0 | sort -z | xargs -0 sha1sum; find path/to/folder \( -typ...
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In Gradle, how do I declare common dependencies in a single place?

...ng_core: "org.springframework:spring-core:3.1", junit: "junit:junit:4.10" ] From a child script, you can then use the dependency declarations like so: dependencies { compile libraries.spring_core testCompile libraries.junit } To share dependency declarations with advanced configurat...
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HTML5 input type range show range value

...ut').value=val; } <input type="range" name="rangeInput" min="0" max="100" onchange="updateTextInput(this.value);"> <input type="text" id="textInput" value=""> share | i...
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NodeJS: How to get the server's port?

... }); // Only listen on $ node app.js if (!module.parent) { app.listen(3000); console.log("Express server listening on port %d", app.address().port) } share | improve this answer | ...