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Sending message through WhatsApp

... UPDATE Please refer to https://faq.whatsapp.com/en/android/26000030/?category=5245251 WhatsApp's Click to Chat feature allows you to begin a chat with someone without having their phone number saved in your phone's address book. As long as you know this person’s phone nu...
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How can I efficiently select a Standard Library container in C++11?

...for niche applications. To build such a chart, you just need two simple guidelines: Choose for semantics first When several choices are available, go for the simplest Worrying about performance is usually useless at first. The big O considerations only really kick in when you start handling a f...
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HTML/Javascript change div content

..., you can just use the element's innerHTML property. document.getElementById("content").innerHTML = "whatever"; share | improve this answer | follow | ...
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What's the best way to communicate between view controllers?

...ects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data. Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller onto the navigation con...
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jQuery - multiple $(document).ready …?

... All will get executed and On first Called first run basis!! <div id="target"></div> <script> $(document).ready(function(){ jQuery('#target').append('target edit 1<br>'); }); $(document).ready(function(){ jQuery('#target').append('target edit 2<br>'...
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Android - Emulator in landscape mode, screen does not rotate

...11 ) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly? ...
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Add new methods to a resource controller in Laravel

... How would you pass a parameter like {id}? Currently I've coded my custom method inline in routes.php (like the example here laravel.com/docs/5.1/routing#route-parameters). Ideally I'd like to pass the parameter to run in FooController. –...
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uncaught syntaxerror unexpected token U JSON

...eturning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be appreciated... Thanks. ...
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Convert an image to grayscale in HTML/CSS

...eProfile="full" xmlns="http://www.w3.org/2000/svg"> <filter id="desaturate"> <feColorMatrix type="matrix" values="0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3...
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How to find a deleted file in the project commit history?

...e> Note the caret symbol (^), which gets the checkout prior to the one identified, because at the moment of <SHA> commit the file is deleted, we need to look at the previous commit to get the deleted file's contents ...