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What is PECS (Producer Extends Consumer Super)?

...ause it's a sketch for Scala, it uses Scala syntax and assumes declaration-site variance, which is quite different to Java's weird call-site variance... Maybe I should write a more detailed answer that clearly shows how this sketch applies to Java... – Andrey Tyukin ...
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Where do I find the current C or C++ standard documents?

...king drafts for future standards are often available from the committee websites: C++ committee website C committee website If you want to get drafts from the current or earlier C/C++ standards, there are some available for free on the internet: For C: ANSI X3.159-198 (C89): I cannot find a ...
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Request is not available in this context

... Thanks, this got my site up and running again after it suddenly came down with this symptom. Strangely enough, I had not changed from classic ASP.NET in the app pool -- I still got the error. Adding a variant of this code (using Interlocked.Exch...
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How to implement the activity stream in a social network

...e, but you could store enough for most of the commonly-hit screens on your site. The most recent 100 for each user or something like that. With Redis in the mix, it might work like this: Create your MySQL activity record For each friend of the user who created the activity, push the ID onto their ...
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How do I validate a date string format in python?

...n <module> File "/Users/jacinda/envs/dod-backend-dev/lib/python2.7/site-packages/dateutil/parser.py", line 720, in parse return DEFAULTPARSER.parse(timestr, **kwargs) File "/Users/jacinda/envs/dod-backend-dev/lib/python2.7/site-packages/dateutil/parser.py", line 317, in parse ret =...
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How can I set the Secure flag on an ASP.NET Session Cookie?

...all cookies to secure. This app setting is only set for our HTTPS external sites. – mlhDev Nov 25 '15 at 16:05 I see, ...
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What does middleware and app.use actually mean in Expressjs?

...eware as function arguments. Here is a example from the MooTools Nodejs website where midleware gets the Twitter, Github and Blog flow before the response is sent back to the client. Note how the functions are passed as arguments in app.get('/', githubEvents, twitter, getLatestBlog, function(req, re...
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Possible heap pollution via varargs parameter

...ings that were completely pointless but had to be suppressed at every call site. Now the API author can suppress it once at the declaration site. However, if the method actually is not safe, users will no longer be warned. ...
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ExpressJS How to structure an application?

... Page Application style a la MongoDB/Express/Angular/Node (MEAN) Basic web site with some forms Models/Operations/Views/Events style a la MVC is dead, it's time to MOVE on and many others both current and historical Each of these fits nicely into a different directory structure. For the purposes o...
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HTML 5 tag vs Flash video. What are the pros and cons?

...tially be very efficient. They get a consistent UI that won't change from site to site. Mobile browsers that may not implement flash can still implement <video>. The only con is a temporary one, and that is compatibility. IE8 doesn't support <video>, and it will be some time before I...