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When is TCP option SO_LINGER (0) required?

...zero linger timeout with linger off. Linger off means that close() doesn't block. Linger on with a positive timeout means that close() blocks for up to the timeout. Linger on with a zero timeout causes RST, and this is what the question is about. – Marquis of Lorne ...
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Javascript Functions and default parameters, not working in IE and Chrome

...or are you saying the Mozilla docs are inaccurate? – php-b-grader Jun 19 at 0:12  |  show 1 more comment ...
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Drawing an SVG file on a HTML5 canvas

...awImage(img, 0, 0); } img.src = image64; svg, img, canvas { display: block; } SVG <svg height="40"> <rect width="40" height="40" style="fill:rgb(255,0,255);" /> <image xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAEX0lEQVQ4jUWUyW6cVR...
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How to 'minify' Javascript code

... a HTTP API. Packer is also nice and has language implementation in Perl, PHP, and .NET. share | improve this answer | follow | ...
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?

... exactly one consumer while preserving highly concurrent operation and not blocking inserts. All the simple and obvious solutions you think will solve that problem actually don't in the real world, and tend to degenerate into less efficient versions of single-worker queue fetching. If you don't nee...
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Is there a “previous sibling” selector?

...4.3. Flex Item Z-Ordering Flex items paint exactly the same as inline blocks, except that order-modified document order is used in place of raw document order, and z-index values other than auto create a stacking context even if position is static. 5.4. Z-axis Ordering: the z-index prop...
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How to check if an object is a list or tuple (but not string)?

... Python with PHP flavor: def is_array(var): return isinstance(var, (list, tuple)) share | improve this answer | ...
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How can I git stash a specific file?

...en stash with --keep-index option. git add app/controllers/cart_controller.php git stash --keep-index git reset Last step is optional, but usually you want it. It removes changes from index. Warning As noted in the comments, this puts everything into the stash, both staged and unstaged. The --kee...
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from jquery $.ajax to angular $http

... $http.patch() $http.put() One of the Example: $http.get("sample.php") .success(function(response) { $scope.getting = response.data; // response.data is an array }).error(){ // Error callback will trigger }); http://www.drtuts.com/ajax-requests-angula...
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Building a minimal plugin architecture in Python

...to extend your application, Example using hooks, inspired from MediaWiki (PHP, but does language really matters?): import hooks # In your core code, on key points, you allow user to run actions: def compute(...): try: hooks.runHook(hooks.registered.beforeCompute) except hooks.hook...