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How to implement __iter__(self) for a container object (Python)

... Another option is to inherit from the appropriate abstract base class from the `collections module as documented here. In case the container is its own iterator, you can inherit from collections.Iterator. You only need to implement the next method then. An example is: >>&gt...
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How to get current time and date in Android

... @Kyle Yes, it's based on the device time settings/timezone. Quote from the doc: "Calendar's getInstance method returns a calendar whose locale is based on system settings and whose time fields have been initialized with the current date and ...
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Custom thread pool in Java 8 parallel stream

...oinPool != null) { forkJoinPool.shutdown(); } } The trick is based on ForkJoinTask.fork which specifies: "Arranges to asynchronously execute this task in the pool the current task is running in, if applicable, or using the ForkJoinPool.commonPool() if not inForkJoinPool()" ...
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JavaScript: How to pass object by value?

...ange in the future, since JSON is more heavily integrated into non-browser based software like databases and IDEs – vol7ron Jul 19 '14 at 16:16 ...
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Using union and order by clause in mysql

...rder by with union in mysql query. I am fetching different types of record based on different criteria from a table based on distance for a search on my site. The first select query returns data related to the exact place search . The 2nd select query returns data related to distance within 5 kms fr...
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Best way to detect that HTML5 is not supported

...he result is cached then the decision over which approach to use should be based upon robustness, not performance (assuming there's a difference in robustness.) – Drew Noakes Jan 16 '13 at 12:11 ...
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Calculate distance between 2 GPS coordinates

... Java Version of Haversine Algorithm based on Roman Makarov`s reply to this thread public class HaversineAlgorithm { static final double _eQuatorialEarthRadius = 6378.1370D; static final double _d2r = (Math.PI / 180D); public static int HaversineI...
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How to position text over an image in css

...ere are many others ways to do this, depending on what you're working on. Based off of Centering the Unknown Working codepen example here HTML <div class="containerBox"> <div class="text-box"> <h4>Your Text is responsive and centered</h4> </div> ...
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Set width of TextView in terms of characters

...the font characteristics for that field and determine how big it should be based on that. So really asking if this problem had been solved, in a nice easy way. Sounds like not. – Fraggle May 28 '11 at 15:13 ...
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AttributeError: 'datetime' module has no attribute 'strptime'

... Sadly - if you're adapting someone else's code base - it's not uncommon for some to do from datetime import datetime and for other systems it's just a import datetime as it expects datetime to be a module... ;) – Jon Clements♦ Oct ...