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Random / noise functions for GLSL

As the GPU driver vendors don't usually 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 ...
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Is it possible to modify variable in python that is in outer, but not global, scope?

...ld a temporary scope. It's like the mutable but a bit prettier. def outer_fn(): class FnScope: b = 5 c = 6 def inner_fn(): FnScope.b += 1 FnScope.c += FnScope.b inner_fn() inner_fn() inner_fn() This yields the following interactive output: >>> outer...
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Is it possible to make anonymous inner classes in Java static?

... a reference to the pointer of the containing instance (they are also not called inner classes anymore, they are called nested classes). ...
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Purge Kafka Topic

...--entity-name <topic name> --add-config retention.ms=1000 This also allows you to check the current retention period, e.g. kafka-configs --zookeeper <zkhost>:2181 --describe --entity-type topics --entity-name <topic name> – RHE Jun 2 '16 at ...
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How to read from standard input in the console?

...lock reader := bufio.NewReader(os.Stdin) fmt.Print("Enter text: ") text, _ := reader.ReadString('\n') fmt.Println(text) As it works on my machine. However, for the next block you need a pointer to the variables you're assigning the input to. Try replacing fmt.Scanln(text2) with fmt.Scanln(&t...
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Eclipse secure storage

...ure it is a good workaround (but less secure) to prevent that silly prompt all the time. – рüффп Feb 20 '12 at 9:24 ...
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Why does Oracle 9i treat an empty string as NULL?

...r exists but is not known by the user, data where there is no answer, etc. all of which constitute some sense of NULL). By the time that the SQL standard came around and agreed that NULL and the empty string were distinct entities, there were already Oracle users that had code that assumed the two ...
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How to use MDC with thread pools?

....util.Timer classes along with some self-rolled async execution services. All these services manage their own thread pool. ...
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Android: How to stretch an image to the screen width while maintaining aspect ratio?

... always roughly square) and display it so that it fills the screen horizontally, and stretches vertically to maintain the aspect ratio of the image, on any screen size. Here is my (non-working) code. It stretches the image horizontally, but not vertically, so it is squashed... ...
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Python in Xcode 4+?

...d it out! The steps make it look like it will take more effort than it actually does. These instructions are for creating a project from scratch. If you have existing Python scripts that you wish to include in this project, you will obviously need to slightly deviate from these instructions. If yo...