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Get nth character of a string in Swift programming language

...on". Apple provides the following explanation in the file UnavailableStringAPIs.swift: Subscripting strings with integers is not available. The concept of "the ith character in a string" has different interpretations in different libraries and system components. The correct interpretat...
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I need a Nodejs scheduler that allows for tasks at different intervals [closed]

... is a very simple library, which provide very basic and easy to understand api like crontab. It doesn't need any config and just works. var cronJob = require('cron').CronJob; var myJob = new cronJob('00 30 11 * * 1-5', function(){...}); myJob.start(); agenda is very powerful and fit for much more...
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What is HTML5 ARIA?

...w that a div with role of “button” is a button, only its accessibility API portion does. As a consequence, this means that you absolutely have to implement keyboard navigation, focusability and other behavioural patterns known from desktop applications yourself. You can find some Advanced ARIA ...
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How to use NSJSONSerialization

...ebserver, and parses it to an NSDictionary. I have used the openweathermap API that returns a simple JSON response for this example. For keeping it simple, this code uses synchronous requests. NSString *urlString = @"http://api.openweathermap.org/data/2.5/weather?q=London,uk"; // The Openweath...
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How to convert a LocalDate to an Instant?

I work with the new DateTime API of Java 8. 2 Answers 2 ...
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How can I get the URL of the current tab from a Google Chrome extension?

...ynchronous! }); This requires that you request access to the chrome.tabs API in your extension manifest: "permissions": [ ... "tabs" ] It's important to note that the definition of your "current tab" may differ depending on your extension's needs. Setting lastFocusedWindow: true in the quer...
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Difference between .success() and .complete()?

...l get called after .success() gets called - if it matters to you. http://api.jquery.com/ajaxComplete/ http://api.jquery.com/ajaxSuccess/ share | improve this answer | foll...
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Android: Remove all the previous activities from the back stack

...or Intent.FLAG_ACTIVITY_CLEAR_TASK startActivity(i) However, it requires API level >= 11. share | improve this answer | follow | ...
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]

...ement tools. Windows is a completely different ecosystem self-tuned around APIs and Objects. That's why we invented PowerShell. What I think you'll find is that there will be lots of occasions when text-processing won't get you what you want on Windows. At that point, you'll want to pick up PowerSh...
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JSON.stringify output to div in pretty print way

...gle-line of JSON because that's how the string is provided already (via an api or some function/page out of your control), you can reformat it like this: HTML: <pre id="json">{"some":"JSON string"}</pre> JavaScript: (function() { var element = document.getElementById("js...