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Bash Script : what does #!/bin/bash mean? [duplicate]

In bash script, what does #!/bin/bash at the 1st line mean ? 3 Answers 3 ...
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How to change the color of an svg element?

... c-37.093,6.938-124.97,21.35-134.613,21.35c-13.808,0-25-11.192-25-25c0-9.832,14.79-104.675,21.618-143.081 c0.274-1.542,1.615-2.669,3.181-2.669h0.008c1.709,0,3.164,1.243,3.431,2.932l18.933,119.904L382.816,265.785z"/> </svg> <image class="my-svg-alternate" width="96" height="96" src...
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is_null($x) vs $x === null in PHP [duplicate]

... three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpo...
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How do I ignore ampersands in a SQL script running from SQL Plus?

...e code below: set escape on and put a \ beside & in the left 'value_\&_intert' Att share | improve this answer | follow | ...
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Sequence contains no elements?

... Ryan LundyRyan Lundy 181k3232 gold badges170170 silver badges203203 bronze badges ...
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How to create fixed space and flexible space bar button items programmatically?

..."Today" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)]; todayItem.tag = 2; UIBarButtonItem *cashItem = [[UIBarButtonItem alloc] initWithTitle:@"Cash" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)]; cashItem.tag = 3; UIBarButtonItem *c...
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Localization and internationalization, what's the difference?

... 32 Internationalization prepares your application for localization. For example, you might encode ...
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grep, but only certain file extensions

...in files. – kensai Mar 18 '17 at 12:32 1 I used this method for years and it works but it's a LOT...
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Automatic post-registration user authentication

...ple using the newly recommended AbstractController. Both the security.token_storage and the session services are registered in the parent getSubscribedServices method so you dont have to add those in your controller. use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken; us...
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Javascript heredoc

... answered Jan 19 '13 at 16:19 Zv_oDDZv_oDD 1,5331616 silver badges2525 bronze badges ...