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Styling multi-line conditions in 'if' statements? [closed]

... You don't need to use 4 spaces on your second conditional line. Maybe use: if (cond1 == 'val1' and cond2 == 'val2' and cond3 == 'val3' and cond4 == 'val4'): do_something Also, don't forget the whitespace is more flexible than you m...
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How can I check if a string is null or empty in PowerShell?

... 484 You can use the IsNullOrEmpty static method: [string]::IsNullOrEmpty(...) ...
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How to reference a file for variables using Bash?

... 248 The short answer Use the source command. An example using source For example: config.sh ...
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What does '

... a shorthand for <?php echo $a; ?>. It's enabled by default since 5.4 regardless of php.ini settings. share | improve this answer | follow | ...
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How to fix “Incorrect string value” errors?

... 44 "\xE4\xC5\xCC\xC9\xD3\xD8" isn't valid UTF-8. Tested using Python: >>> "\xE4\xC5\xCC...
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Calculate business days

...tween the two dates. We compute the no. of seconds and divide it to 60*60*24 //We add one to inlude both dates in the interval. $days = ($endDate - $startDate) / 86400 + 1; $no_full_weeks = floor($days / 7); $no_remaining_days = fmod($days, 7); //It will return 1 if it's Monday...
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Can I set an opacity only to the background image of a div?

...; right: 0; background: url(test.jpg) center center; opacity: .4; width: 100%; height: 100%; } See test case on jsFiddle :before and ::before pseudo-element Another trick is to use the CSS 2.1 :before or CSS 3 ::before pseudo-elements. :before pseudo-element is supported in I...
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CSS Background Opacity [duplicate]

...enWebguy 72.2k1515 gold badges103103 silver badges134134 bronze badges 10 ...
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unique object identifier in javascript

... | edited Feb 9 '16 at 22:42 TWiStErRob 36.9k2020 gold badges141141 silver badges215215 bronze badges an...
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javascript: recursive anonymous function?

... 147 You can give the function a name, even when you're creating the function as a value and not a "...