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Do zombies exist … in .NET?
...ight guy with an extensive background in both lower-level and higher-level programming, but his experience with lower level programming far exceeds mine. Anyway, He argued that .NET locking should be avoided on critical systems expected to be under heavy-load if at all possible in order to avoid th...
How to generate random SHA1 hash to use as ID in node.js?
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Have a look here: How do I use node.js Crypto to create a HMAC-SHA1 hash?
I'd create a hash of the current timestamp + a random number to ensure hash uniqueness:
var current_date = (new Date()).valueOf().toString();
var random = Math.random().toString();
crypto.crea...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
I have two Python dictionaries, and I want to write a single expression that returns these two dictionaries, merged (i.e. taking the union). The update() method would be what I need, if it returned its result instead of modifying a dictionary in-place.
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How to allocate aligned memory only using the standard library?
I just finished a test as part of a job interview, and one question stumped me, even using Google for reference. I'd like to see what the StackOverflow crew can do with it:
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How to train an artificial neural network to play Diablo 2 using visual input?
I'm currently trying to get an ANN to play a video game and and I was hoping to get some help from the wonderful community here.
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Asking the user for input until they give a valid response
I am writing a program that accepts an input from the user.
21 Answers
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
I understand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? ...
Algorithm to find top 10 search terms
I'm currently preparing for an interview, and it reminded me of a question I was once asked in a previous interview that went something like this:
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Ways to save Backbone.js model data?
I am more into front end development and have recently started exploring Backbone.js into my app. I want to persist the model data to the server.
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Why are C# 3.0 object initializer constructor parentheses optional?
...seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example:
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