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Highlight label if checkbox is checked

... If you have <div> <input type="checkbox" class="check-with-label" id="idinput" /> <label class="label-for-check" for="idinput">My Label</label> </div> you can do .check-with-label:checked + .label-for-check { font-weight: bold; } See this working. No...
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How to loop over files in directory and change path and add suffix to filename

I need to write a script that starts my program with different arguments, but I'm new to Bash. I start my program with: 5 A...
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How to sort objects by multiple keys in Python?

...e dictionary -- the negated column need not be a number. def multikeysort(items, columns): from operator import itemgetter comparers = [((itemgetter(col[1:].strip()), -1) if col.startswith('-') else (itemgetter(col.strip()), 1)) for col in columns] def comparer(left, r...
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How is “int* ptr = int()” value initialization not illegal?

... int() is a constant expression with a value of 0, so it's a valid way of producing a null pointer constant. Ultimately, it's just a slightly different way of saying int *ptr = NULL; ...
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Multiline bash commands in makefile

...ile my project via a few lines of bash commands. But now I need to compile it via makefile. Considering, that every command is run in its own shell, my question is what is the best way to run multi-line bash command, depended on each other, in makefile? For example, like this: ...
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How to find and return a duplicate value in array

... a.count(e) > 1 } I know this isn't very elegant answer, but I love it. It's beautiful one liner code. And works perfectly fine unless you need to process huge data set. Looking for faster solution? Here you go! def find_one_using_hash_map(array) map = {} dup = nil array.each do |v| ...
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With arrays, why is it the case that a[5] == 5[a]?

...e as *(a + 5), and from elementary school math we know those are equal (addition is commutative). share | improve this answer | follow | ...
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Why does `a == b or c or d` always evaluate to True?

I am writing a security system that denies access to unauthorized users. 3 Answers 3 ...
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How to specify the default error page in web.xml?

...he friendly error page when user encounters a certain error such as error with code of 404: 3 Answers ...
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HTML5 Pre-resize images before uploading

... Yes, use the File API, then you can process the images with the canvas element. This Mozilla Hacks blog post walks you through most of the process. For reference here's the assembled source code from the blog post: // from an input element var filesToUpload = input.files; var f...