Ciro Santilli @cirosantilli 37

Ciro Santilli 37 Updated 2025-07-16

Ciro Santilli thinks imperative programming is just a superset of functional programming where you can have state.

C and C++: OK, you're old before the Internet and compiled, forgiven.

Python: OMG, please, just make it work!!! Your are interpreted!!! You are a hot web technology!!! Node.js and Ruby are doing just fine, and Ruby is not newer than you!!! See also: pip.

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Game AI research by

Ciro Santilli 37 Updated 2025-07-16

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Game AI by game genre by

Ciro Santilli 37 Updated 2025-07-16

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Game AI competition by

Ciro Santilli 37 Updated 2025-07-16

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webots.cloud/competition

Lists:

www.gocoder.one/blog/ai-game-competitions-list/ Good list of interest.
codecombat.com/

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Permanent brain by

Ciro Santilli 37 Updated 2025-07-16

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gcc -save-temps by

Ciro Santilli 37 Updated 2025-07-16

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Saves preprocessor output and generated assembly to separate files.

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GAN paper by

Ciro Santilli 37 Updated 2025-07-16

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proceedings.neurips.cc/paper_files/paper/2014/file/5ca3e9b122f61f8f06494c97b1afccf3-Paper.pdf

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GAN MNIST hello world by

Ciro Santilli 37 Updated 2025-07-16

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The GAN paper itself does a bit of this, cool hello world:

github.com/lyeoni/pytorch-mnist-GAN

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AI brittleness and robustness by

Ciro Santilli 37 Updated 2025-07-16

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Text-to-text model by

Ciro Santilli 37 Updated 2025-07-16

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Text-to-image model by

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Text-to-video by

Ciro Santilli 37 Updated 2025-07-16

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This was the Holy Grail as of 2023, when text-to-image started to really take off, but text-to-video was miles behind.

2024-02-15: Sora by OpenAI
- techcrunch.com/2024/02/15/openais-newest-model-can-generate-videos-and-they-look-decent/

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Satoshi tribute by

Ciro Santilli 37 Updated 2025-07-16

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medium.com/@chain.info1/the-mystery-behind-satoshi-tribute-donations-cf4ce28c56a1 The Mystery Behind "Satoshi Tribute" Donations by Chain.Info (2020)

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git clone by

Ciro Santilli 37 Updated 2025-07-16

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Git remote communcation by

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Git object by

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Git tips / Understand the commit tree by

Ciro Santilli 37 Updated 2025-07-16

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This is the most important thing to understand Git!

You must:

be able to visualize the commit tree
understand how each git command modifies the commit DAG

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Git tips / It's not a tree, it's actually a DAG by

Ciro Santilli 37 Updated 2025-07-16

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Every tree is a directed acyclic graph.

But not every directed acyclic graph is a tree.

Example of a tree (and therefore also a DAG):

5
|
4 7
| |
3 6
|/
2
|
1

Convention in this presentation: arrows implicitly point up, just like in a git log, i.e.:

1 is parent of 2
2 is parent of 3 and 6
3 is parent of 4

and so on.

Example of a DAG that is not a tree:

7
|\
4 6
| |
3 5
|/
2
|
1

This is not a tree because there are two ways to reach 7:

2, 3, 4, 7
2, 5, 6, 7

But we often say "tree" intead of "DAG" in the context of Git because DAG sounds ugly.

Example of a graph that is not a DAG:

6
^
|
3->4
^  |
|  v
2<-5
^
|
1

This one is not acyclic because there is a cycle 2, 3, 4, 5, 2.

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Git tips / Why is Git a DAG? by

Ciro Santilli 37 Updated 2025-07-16

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Because a Git commit can have more than 1 parent due to merge commits when you do:

git merge

It can even have more than 2, there's no limit. Although that is not so common (with good reason, 2 is already one too many): softwareengineering.stackexchange.com/questions/314215/can-a-git-commit-have-more-than-2-parents/377903#377903

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Git tips / Linear history vs branching by

Ciro Santilli 37 Updated 2025-07-16

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There are two ways to organize a project:

linear history
branched history: history with merge commits

Some people like merges, but they are ugly and stupid. Rebase instead and keep linear history.

Linear history:

5 master
|
4
|
3
|
2
|
1 first commit

Branched history:

7   master
|\
| \
6  \
|\  \
| |  |
3 4  5
| |  |
| /  /
|/  /
2  /
| /
1/  first commit

Here commits 6 and 7 are the so called "merge commits":

they have multiple parents:
- 6 has parents 3 and 4
- 7 has parents 5 and 6
they are useless and don't contain any real information

Which type of tree do you think will be easier to understand and maintain?

????

????????????

You may disconnect now if you still like branched history.

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