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Node.js vs .Net performance

...handling LOAD. This is where the technologies really differ. ASP.NET dedicates a thread for each request from its thread pool, and once ASP.NET has exhausted all the available threads requests begin to get queued up. If you're serving "Hello World" apps like the example by @shankar, then this migh...
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How can I exclude all “permission denied” messages from “find”?

...d inside >(...) to finish. In bash, you can prevent this by appending | cat to the command. >(...) is a (rarely used) output process substitution that allows redirecting output (in this case, stderr output (2>) to the stdin of the command inside >(...). In addition to bash and zsh, ksh...
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How well is Unicode supported in C++11?

...e& loc); // ... How do you expect any of these functions to properly categorize, say, U+1F34C ʙᴀɴᴀɴᴀ, as in u8"????" or u8"\U0001F34C"? There's no way it will ever work, because those functions take only one code unit as input. This could work with an appropriate locale if you used ...
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Best explanation for languages without null

...that you are just using a simplified model of the world in order to communicate gratitude, so I won't quibble more about the flawed assumptions of your world-model. :P (So much complexity in the real world! :) ) – Brian Oct 22 '10 at 17:07 ...
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How do I create a simple 'Hello World' module in Magento?

...ontName controller, and then the MVC controller. Fourth, the Magento application itself is built using the same module system you'll be using, so poking around the core code is a useful learning tactic. Also, a lot of what you'll be doing with Magento is overriding existing classes. What I'm coveri...
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How should I ethically approach user password storage for later plaintext retrieval?

As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...
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How to generate random SHA1 hash to use as ID in node.js?

... 0.000000000000000000000000000000000000000000000137% Holy cats, man! Look at all those zeroes. So how much better is crypto.randomBytes(20)? 243,583,606,221,817,150,598,111,409 times better. Notes about the +1 and frequency of zeroes If you're wondering about the +1, it's possib...
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When to Redis? When to MongoDB? [closed]

... I would say, it depends on kind of dev team you are and your application needs. For example, if you require a lot of querying, that mostly means it would be more work for your developers to use Redis, where your data might be stored in variety of specialized data structures, customized for...
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'printf' vs. 'cout' in C++

... enable warnings. In fact, Clang can do that without enabling warnings. $ cat safety.c #include <stdio.h> int main(void) { printf("String: %s\n", 42); return 0; } $ clang safety.c safety.c:4:28: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat] ...
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Fundamental difference between Hashing and Encryption algorithms

...ou're using HMAC, you sign a piece of data by taking a hash of the data concatenated with a known but not transmitted value (a secret value). So, you send the plain-text and the HMAC hash. Then, the receiver simply hashes the submitted data with the known value and checks to see if it matches the ...