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Relative imports in Python 2.7

...y shouldn't do this at all for single level packages.) If we wanted to be extra-clean, we might rewrite this as, e.g.: import os, sys _i = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) if _i not in sys.path: sys.path.insert(0, _i) else: _i = None f...
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How do I grep for all non-ASCII characters?

...ry large XML files and I'm trying to find the lines that contain non-ASCII characters. I've tried the following: 11 Answers...
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Best way to add “current” class to nav in Rails 3

...nst the current page uri and returns either your current class or an empty string. I've not tested this thoroughly and I'm very new to RoR (moving over after a decade with PHP) so if this has a major flaw I'd love to hear it. At least this way you only need 1 helper function and a simple call in e...
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How can I concatenate NSAttributedStrings?

I need to search some strings and set some attributes prior to merging the strings, so having NSStrings -> Concatenate them -> Make NSAttributedString is not an option, is there any way to concatenate attributedString to another attributedString? ...
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How to strip all whitespace from string

How do I strip all the spaces in a python string? For example, I want a string like strip my spaces to be turned into stripmyspaces , but I cannot seem to accomplish that with strip() : ...
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Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti

...cute, just for the purpose of suppressing a warning - this one doesn't add extra ticks at all and IMO is more readable: [MethodImpl(MethodImplOptions.AggressiveInlining)] void Forget(this Task @this) { } /* ... */ obj.WorkAsync().Forget(); – noseratio Jun 9 '17...
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MYSQL Truncated incorrect DOUBLE value

... Yes..i too had a similar experience while trying to use a string literal in 'where' clause without the using quotes. – pranay Feb 16 '19 at 18:02 1 ...
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Delete empty lines using sed

...y here means, the line contains no chars, or the line contains only empty strings (E.g. spaces). All matched lines will be removed by sed, with the d command. – Kent Feb 26 '17 at 19:41 ...
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How to check if bootstrap modal is open, so i can use jquery validate

... won't work if the modal hasn't been shown before. You will need to add an extra condition: $("element").data('bs.modal') so the answer taking into account first appearance: if ($("element").data('bs.modal') && $("element").data('bs.modal').isShown){ ... } ...
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(![]+[])[+[]]… Explain why this works

...ition, an empty Array, [], this is made just to convert the false value to String, because the string representation of an empty array is just an empty string, is equivalent to: false+[]; // "false" false+''; // "false" The last part, the pair of square brackets after the parentheses, they are th...