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Building a notification system [closed]

...cebook style notification system for our page (social gaming type) and I'm now researching what would be the best way to design such system. I'm not interested in how to push notifications to the user or anything like that (for now even). I am researching how to build the system on the server (how t...
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How to get index using LINQ? [duplicate]

...ad of -1 when there is no match. But let's ignore this minor annoyance for now. In fact the horrible standard solution crashes in that case and I consider returning an index that is out-of-bounds superior. What happens now is ReSharper telling me Loop can be converted into LINQ-expression. While mo...
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What's the best solution for OpenID with Django? [closed]

...s is an ancient question with ancient answers. Most of the linked apps are now unmaintained. These days, most people seem to use django-allauth or python-social-auth . I'll leave the original question intact below for posterity's sake. ...
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Best way to compare dates in Android

... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes. Most of the java.time functionality is back-ported to Java 6 & Java 7 in the ThreeTen-Backport project. Further adapted for earlier Android (<26) in ThreeTenABP. See How...
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Hidden features of Scala

... trait Functor[F[_]] { def fmap[A, B](f: A => B, fa: F[A]): F[B] } Now, if you have a Functor[List], you can map over lists. If you have a Functor[Tree], you can map over trees. But more importantly, if you have Functor[A] for any A of kind (*->*), you can map a function over A. ...
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vertical align middle in

... I have needed to know this simple line-height solution my entire professional life and only learned of it now. Thank you, Mr. Alien. – Nathan Beach Nov 30 '18 at 19:30 ...
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Multiple actions were found that match the request in Web Api

...ts: new { id = RouteParameter.Optional }); Notice that the routeTemplate now includes an action. Lots more info here: http://www.asp.net/web-api/overview/web-api-routing-and-actions/routing-in-aspnet-web-api Update: Alright, now that I think I understand what you are after here is another take a...
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How can I change the color of a Google Maps marker?

... Material Design EDITED MARCH 2019 now with programmatic pin color, PURE JAVASCRIPT, NO IMAGES, SUPPORTS LABELS no longer relies on deprecated Charts API var pinColor = "#FFFFFF"; var pinLabel = "A"; // Pick your pin (hole or no hole) var ...
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?

...ame = (user && user.address && user.address.street) || "Unknown Street"; share | improve this answer | follow | ...
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Create a tag in a GitHub repository

..., you might want to fetch it into your local repository too: git fetch Now next time, you may want to create one more tag within the same release from website. For that follow these steps: Go to release tab Click on edit button for the release Provide name of the new tag ABC_DEF_V_5_3_T_2 and...