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What is the difference between 'my' and 'our' in Perl?

...my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do? ...
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Bootstrap with jQuery Validation Plugin

...Class('has-error'); }, errorElement: 'span', errorClass: 'help-block', errorPlacement: function(error, element) { if(element.parent('.input-group').length) { error.insertAfter(element.parent()); } else { error.insertAfter(element); } ...
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How to vertically align an image inside a div

... The only (and the best cross-browser) way as I know is to use an inline-block helper with height: 100% and vertical-align: middle on both elements. So there is a solution: http://jsfiddle.net/kizu/4RPFa/4570/ .frame { height: 25px; /* Equals maximum image height */ width: 160...
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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)

... If you're open to a PHP solution: <td><img src='<?PHP $path1 = "path/to/your/image.jpg"; $path2 = "alternate/path/to/another/image.jpg"; echo file_exists($path1) ? $path1 : $path2; ?>' alt='' /> </td> ////EDI...
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Push existing project into Github

...ally. How much you have does not matter. But let's pretend that you have a php project. Let's say that you have the index.php, contact.php and an assets folder with images, css, and fonts. You can do it this way (easy), but there are many options: Option 1 Login to your github account and create the...
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How does the SQL injection from the “Bobby Tables” XKCD comic work?

...then a second statement follows. Most frameworks, including languages like PHP, have default security settings by now that don't allow multiple statements in one SQL string. In PHP, for example, you can only run multiple statements in one SQL string by using the mysqli_multi_query function. You can...
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Can I change the height of an image in CSS :before/:after pseudo-elements?

...round-size is permitted. You still need to specify width and height of the block, however. .pdflink:after { background-image: url('/images/pdf.png'); background-size: 10px 20px; display: inline-block; width: 10px; height: 20px; content:""; } See the full Compatibility Tab...
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Why do we need the “finally” clause in Python?

... finally in try...except...finally statements. In my opinion, this code block 14 Answers ...
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How to wait for async method to complete?

...ecute. The answer to the specific question in your question's title is to block on an async method's return value (which should be of type Task or Task<T>) by calling an appropriate Wait method: public static async Task<Foo> GetFooAsync() { // Start asynchronous operation(s) and re...
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Does MySQL foreign_key_checks affect the entire database?

...w, I imported the database without errors. Hope this could help: Changing php.ini at C:\xampp\php\php.ini max_execution_time = 600 max_input_time = 600 memory_limit = 1024M post_max_size = 1024M Changing my.ini at C:\xampp\mysql\bin\my.ini max_allowed_packet = 1024M ...