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Random / noise functions for GLSL

...sually bother to implement noiseX in GLSL, I'm looking for a "graphics randomization swiss army knife" utility function set, preferably optimised to use within GPU shaders. I prefer GLSL, but code any language will do for me, I'm ok with translating it on my own to GLSL. ...
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What is the Linux equivalent to DOS pause?

...er presses a key. In DOS, this is easily accomplished with the "pause" command. Is there a Linux equivalent I can use in my script? ...
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Find duplicate lines in a file and count how many time each line was duplicated?

...at should do the trick in O(n) * avg_line_len. Does anyone know such a commandline tool? – Droggl Nov 20 '13 at 17:27 ...
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#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s

...is may be a matter of style, but there's a bit of a divide in our dev team and I wondered if anyone else had any ideas on the matter... ...
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Unique BooleanField value in Django?

...mplish this task, what I've done is override the save method for the model and have it check if any other model has the flag already set (and turn it off). class Character(models.Model): name = models.CharField(max_length=255) is_the_chosen_one = models.BooleanField() def save(self, *a...
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What's the difference between streams and datagrams in network programming?

...the call, the other answers, you say hello to each other (SYN/ACK in TCP), and then you exchange information. Once you are done, you say goodbye (FIN/ACK in TCP). If one side doesn't hear a goodbye, they will usually call the other back since this is an unexpected event; usually the client will re...
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Is the order of iterating through std::map known (and guaranteed by the standard)?

...te from std::map::begin() to std::map::end() using a for , does the standard guarantee that I'll iterate consequently through the elements with keys, sorted in ascending order? ...
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How to install pip with Python 3?

... edit: Manual installation and use of setuptools is not the standard process anymore. If you're running Python 2.7.9+ or Python 3.4+ Congrats, you should already have pip installed. If you do not, read onward. If you're running a Unix-like System You c...
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How do I create a Bash alias?

I'm on OSX and I need to put something like this, alias blah="/usr/bin/blah" in a config file but I don't know where the config file is. ...
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Insert/Update Many to Many Entity Framework . How do I do it?

I'm using EF4 and new to it. I have a many to many in my project and cannot seem to work out how to insert or update. I have build a small project just to see how it should be coded. ...