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How can a web application send push notifications to iOS devices? [closed]

...d push notifications to Firefox and Chrome (Desktop/Android) with the Push API. The Push API is used in conjunction with the older Web Notifications to display the message. The advantage is that the Push API allow the notification to be delivered even when the user is not surfing your website, beca...
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How to add a “readonly” attribute to an ?

... should be changed to .prop() rather than .attr(), as stated in the jQuery API: jquery.com/upgrade-guide/1.9/#attr-versus-prop- – frshca Feb 5 '13 at 20:54 ...
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How can I get form data with JavaScript/jQuery?

... Nvm, found it in the comments for the serialize() function. It's called serializeArray. It returns an array of arrays (which contain an entry "name" and "value") but that should be easy enough to transform. – Bart van Heukelom Feb 16 '10 at 21:33 ...
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Alternative to iFrames with HTML5

...ML5. Depending on what exact interaction you need there might be different APIs. For example there's the postMessage method which allows you to achieve cross domain javascript interaction. But if you want to display cross domain HTML contents (styled with CSS and made interactive with javascript) if...
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restrict edittext to single line

...re it says the android:singleLine is deprecated? I cannot see it there for API 23. I don't see it mentioned in the documentation and also I don't get any warning when I use it with 23.0.1 SDK – Shobhit Puri Sep 17 '15 at 22:31 ...
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How to change the decimal separator of DecimalFormat from comma to dot/point?

... Side note: NumberFormat.getNumberInstance() can run unusually slowly on some Android 7 devices. An alternative is String.format() which runs quickly. See stackoverflow.com/questions/2379221/java-currency-number-format – Mr-IDE Oct 16 '17 at 5:...
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ASP.NET WebApi unit testing with Request.CreateResponse

I am trying to write some unit tests for my ApiController and faced some issues. There is a nice extension method called Request.CreateResponse that helps a lot with generating response. ...
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Is it better to return null or empty collection?

...llection might mean "0 items", returning Null could mean "no collection at all" - eg. if you are parsing HTML, looking for an <ul> with id="foo", <ul id="foo"></ul> could return empty collection; if there is no <ul> with id="foo" a null return would be better (unless you want...
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No internet on Android emulator - why and how to fix? [closed]

... command line: emulator -avd Pixel_C_API_26 -dns-server 8.8.8.8,8.8.4.4 – Tom Nov 15 '17 at 2:30 ...
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How to wait until an element exists?

...atch the DOM. It's only supported in newer browsers though, so you should fall back onto DOMNodeInserted when MutationObserver isn't available. let observer = new MutationObserver((mutations) => { mutations.forEach((mutation) => { if (!mutation.addedNodes) return for (let i = 0; i &...