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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7

... purchase (again, RMStore helps you with this). Verification at a glance Now we got all the fields from the receipt and all its in-app purchases. First we verify the receipt itself, and then we simply check if the receipt contains the product of the transaction. Below is the method that we called...
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When to make a type non-movable in C++11?

...hich is that it would be very hard to do it safely, because you'd need to know that noone is trying to lock the mutex at the moment it's being moved. Since mutexes are one of the building blocks you can use to prevent data races, it would be unfortunate if they weren't safe against races themselves!...
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How to draw a path on a map using kml file?

...(new InputSource(aUrl.openStream())); /* Our NavigationSaxHandler now provides the parsed data to us. */ navigationDataSet = navSax2Handler.getParsedData(); /* Set the result to be displayed in our GUI. */ Log.d(myapp.APP,"navigationDataSet: "+navigationDataSet.t...
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Extracting numbers from vectors of strings

... gregexpr. I hadn't tried regexpr until just now. HUGE difference. Using regexpr puts it between Andrew's and Arun's solutions (second fastest) on a 1e6 set. Perhaps also interesting, using sub in Andrew's solution does not improve the speed. – ...
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How to design a multi-user ajax web application to be concurrently safe

...(latancy of javascript client and commit process factors in) by comparing known clientside artifact-version-id and current serverside artifact-version-id. A javascript conflict-solver allowing for a human which-change-is-the-right decision. You may not want to just tell the user "Someone was faster ...
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How do I pass variables and data from PHP to JavaScript?

...("/your/url").done(function(data){ // What do I do with the data? }); Now, the server just needs to contain a /your/url route/file that contains code that grabs the data and does something with it, in your case: <$php ... $val = myService->getValue(); // Makes an API and databas...
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What is the most efficient/elegant way to parse a flat table into a tree?

... Now that MySQL 8.0 supports recursive queries, we can say that all popular SQL databases support recursive queries in standard syntax. WITH RECURSIVE MyTree AS ( SELECT * FROM MyTable WHERE ParentId IS NULL UNION ALL...
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Getting random numbers in Java [duplicate]

...it becomes 0.0 to 49.999... when you add 1, it becomes 1.0 to 50.999..., now when you truncate to int, you get 1 to 50. (thanks to @rup in comments). leepoint's awesome write-up on both the approaches. 2. Using Random class in Java. Random rand = new Random(); int value = rand.nextInt(50); ...
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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...man ten Brugge <hermantenbrugge@home.nl>: * * - Add 64 bit support. It now runs on x86_64 and solaris64. * - I also tested this on vxworks/32and solaris/32 and i386/32 processors. * - Remove assembly code. I could not measure any performance difference * on my core2 processor. This also...
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What is difference between functional and imperative programming languages?

... see how anyone could read this answer and come away feeling confident in knowing the difference between declarative and procedural programming. – Ringo Apr 24 '17 at 7:02 add...