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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...me upon the Curry-Howard Isomorphism relatively late in my programming life, and perhaps this contributes to my being utterly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies, of...
Expand a random range from 1–5 to 1–7
Given a function which produces a random integer in the range 1 to 5, write a function which produces a random integer in the range 1 to 7.
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Why is Git better than Subversion?
I've been using Subversion for a few years and after using SourceSafe , I just love Subversion. Combined with TortoiseSVN , I can't really imagine how it could be any better.
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Why shouldn't all functions be async by default?
The async-await pattern of .net 4.5 is paradigm changing. It's almost too good to be true.
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#define macro for debug printing in C?
Trying to create a macro which can be used for print debug messages when DEBUG is defined, like the following pseudo code:
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“Keep Me Logged In” - the best approach
My web application uses sessions to store information about the user once they've logged in, and to maintain that information as they travel from page to page within the app. In this specific application, I'm storing the user_id , first_name and last_name of the person.
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How is the fork/join framework better than a thread pool?
What are the benefits of using the new fork/join framework over just simply splitting the big task into N subtasks in the beginning, sending them to a cached thread pool (from Executors ) and waiting for each task to complete? I fail to see how using the fork/join abstraction simplifies the prob...
What are some (concrete) use-cases for metaclasses?
I have a friend who likes to use metaclasses, and regularly offers them as a solution.
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社交应用组件 · App Inventor 2 中文网
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Class does not implement its superclass's required members
...dated to Xcode 6 beta 5 today and noticed I received errors in nearly all of my subclasses of Apple's classes.
4 Answers
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