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Do I use , , or for SVG files?

...t. 2014 update: If you want a non-interactive svg, use <img> with script fallbacks to png version (for older IE and android < 3). One clean and simple way to do that: <img src="your.svg" onerror="this.src='your.png'">. This will behave much like a GIF image, and if your browser ...
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What is the use of the @ symbol in PHP?

...ndex: a" // suppressed "Notice: Undefined index: b" $c = @foobar(); echo "Script was not terminated"; // suppressed "Fatal error: Call to undefined function foobar()" // however, PHP did not "ignore" the error and terminated the // script because the error was "fatal" What exactly happens if you ...
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What is JSONP, and why was it created?

...n most of browserland. The one item that bypasses this limitation is <script> tags. When you use a script tag, the domain limitation is ignored, but under normal circumstances, you can't really do anything with the results, the script just gets evaluated. Enter JSONP. When you make your req...
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How can I listen for a click-and-hold in jQuery?

...ener').on('clickHold', function() { console.log('Worked!'); }); <script src="https://code.jquery.com/jquery-3.2.1.min.js"></script> <img src="http://lorempixel.com/400/200/" id="HoldListener"> See on JSFiddle Now you need just to set the time of holding and add clic...
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Why would one omit the close tag?

...lar <?php opening token can be validly paired with the rarely used </script> as odd closing token. The "hard close tag" isn't even one -- just made that term up for analogy. Conceptionally and usage-wise __halt_compiler should however be recognized as close token. __HALT_COMPILER(); ?> ...
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What is the 'new' keyword in JavaScript?

The new keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language. ...
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Search and replace a line in a file in Python

... @Wicelo You need to close it to prevent leaking of the file descriptor. Here is a decent explanation: logilab.org/17873 – Thomas Watnedal Sep 19 '14 at 11:52 1 ...
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NPM modules won't install globally without sudo

...ne you already have in $HOME/bin. If you're concerned, check the bin, and scripts properties in the package.json file of the app you're installing first. In general, it's safest to: (a) Place $HOME/bin last in your path so system commands are not superseded. (b) don't include "." or any relative...
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Are HTML comments inside script tags a best practice? [closed]

The following practice is fairly commonplace in the inline JavaScript I have to work with: 10 Answers ...
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What are the most common non-BMP Unicode characters in actual use? [closed]

... decending frequency: 544 U+01D49E ‹????› GC=Lu MATHEMATICAL SCRIPT CAPITAL C 450 U+01D4AF ‹????› GC=Lu MATHEMATICAL SCRIPT CAPITAL T 385 U+01D4AE ‹????› GC=Lu MATHEMATICAL SCRIPT CAPITAL S 292 U+01D49F ‹????› GC=Lu MATHEMATICAL SCRIPT CAPITAL D ...