18 changed files with 200 additions and 4 deletions
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|
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+++ |
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title = "Alexandre Dumas" |
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weight = 97 |
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|
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[taxonomies] |
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tags = ["quotes", "alexandre dumas", "rogues", "imbeciles"] |
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+++ |
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|
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> "I prefer rogues to imbeciles because they sometimes take a rest." |
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|
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+++ |
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title = "Cornelia Otis Skinner" |
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weight = 99 |
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[taxonomies] |
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tags = ["quotes", "cornelia otis skinner", "virtues"] |
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+++ |
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|
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> "Women's virtue is man's greatest invention." |
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|
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+++ |
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title = "Dion Fortune" |
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weight = 100 |
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|
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[taxonomies] |
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tags = ["quotes", "dion fortune", "religion"] |
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+++ |
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|
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> "A religion without a goddess is half-way to atheism." |
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|
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+++ |
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title = "Euripides" |
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weight = 101 |
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[taxonomies] |
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tags = ["quotes", "euripides", "cadmus", "pentheus", "lies"] |
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+++ |
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|
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> "Go out and tell a lie that will make the whole family proud of you." |
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-- Cadmus, to Pentheus, in "The Bacchae" |
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|
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+++ |
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title = "George Santayana" |
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weight = 103 |
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|
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[taxonomies] |
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tags = ["quotes", "george santayana", "fanaticism"] |
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+++ |
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|
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> "Fanaticism consists of redoubling your effort when you have forgotten your |
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> aim." |
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|
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+++ |
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title = "Henry Adams" |
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weight = 104 |
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|
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[taxonomies] |
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tags = ["quotes", "henry adams", "politics"] |
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+++ |
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|
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> "Practical politics consists in ignoring facts." |
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|
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+++ |
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title = "Moliere" |
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weight = 109 |
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|
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[taxonomies] |
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tags = ["quotes", "moliere", "understading"] |
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+++ |
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|
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> "That must be wonderful: I don't understand it at all." |
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|
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+++ |
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title = "Robert Barron" |
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weight = 114 |
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[taxonomies] |
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tags = ["quotes", "robert barron", "religion"] |
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+++ |
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|
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> "God is a placebo for your own mortality." |
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|
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|
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+++ |
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title = "Ruth Hurmence Green" |
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weight = 114 |
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|
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[taxonomies] |
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tags = ["quotes", "ruth hurmence green", "religion"] |
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+++ |
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|
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> "There was a time when religion ruled the |
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> world. It was known as The Dark Ages." |
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+++ |
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title = "Shell with All Maven Classes" |
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+++ |
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``` |
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alias mvn-shell='jshell --class-path $(find ~/.m2/repository/ -name "*.jar" | tr "\n" ":")' |
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``` |
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This alias loads all classes in the Maven (m2) repository and make them |
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available to the shell. |
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+++ |
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title = "Functional Python Programming - Create Succinct and Expressive Implementations with Python - Steven F. Lott" |
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date = 2020-08-27 |
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|
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[taxonomies] |
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tags = ["books", "review", "it", "steven f lott", "python", "functional", |
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"1 star", "2020 challenge"] |
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+++ |
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|
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[GoodReads Summary](https://www.goodreads.com/book/show/24925633-functional-python-programming---create-succinct-and-expressive-implement): |
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With Functional Python Programming by your side you’ll understand the core |
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concepts of function Python, its impact on the programming workflow, and how |
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to implement it in Python, giving you the ability to take your applications to |
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an even higher level. |
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|
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<!-- more --> |
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{{ stars(stars=1) }} |
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Another book the proves my theory that the quality of a book is inversely |
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proportional to the amount of "as follows". |
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But functional programming in Python is generators. |
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That's it: Generators. Oh, generators and tuples. |
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There is a lot in this book, but mostly seems... wrong. For example, talking |
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about "tail call optimization", when Python does not have them. And then |
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talking how to optimize those -- which, again, it is plain "replace with a |
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generator". |
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|
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Also, the case for tuples is that namedtuples is mentioned, but rarely used. |
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This makes code hard to read, except the author decided to create lambdas to |
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extract them, so you end up with a bunch of `xy_g = lambda p: p[0][1][0]`. |
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What the fuck is `0`, `1` and `0` again in this? Why not use name tuples and, |
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instead of this atrocity, go with `p.position.x`? |
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|
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Other examples of wrong things: |
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- "extract the docstring function": Doctstrings are strings, not functions. |
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- "GNU Image Manipulation Program (GIMP) GNU General Public License (GPL) file |
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format": Neither GIMP not GPL is a file format; one is a photo editor and |
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the other is a license. |
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- "This is relatively simple implementation copied from the World Wide Web": |
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And we all know how things on the web are reliant. |
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- "We can use `((line.split() for line in file)` to create a sequence of ten |
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tuples": First of all, yes, the there is some unbalanced parenthesis |
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there; second, that thing won't generate ten tuples, it will generate as |
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many as the lines in the file -- which is never shown, by the way. |
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- Calling functions that return generators "higher-order functions". And no, |
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the function does not receive a function, it simply returns a generator. |
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- "perms = permutations(range(6)))))". Yup, there are 4 extra closing |
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parenthesis. |
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- Splitting a string with a path in it by `/`, then checking the first value |
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instead of, say, `path.startswith('expected_value')`. |
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- "We've created a Counter() function": Counter is a class, not a function. |
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- Lots of "not clear if this is helpful". Ok, showing some sort of code is ok, |
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but not explaining where if it is useful -- or if it is useful at all -- |
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is plain... lazy. |
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- "We've shown the loop here to clarify that the server must, generally, be |
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crashed": It's the first time that I see that we expect a server to be |
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crashed. |
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- There is a convoluted aggregation grouping things in a dictionary with a key |
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and a count, and then using `Counter()` to check the number of times |
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something appear. Problem is, when `Counter()` process the dict, it will |
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get only the keys, so the whole process of generating the dictionary is |
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completely useless. |
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- By the end of the book, I'm not sure if things are being double |
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double-quoted (as in ""this is string"") or quadruple single-quote |
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(''''this is string'''') -- but neither format is valid Python. |
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|
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Besides all that, there is a bunch of explanations that are very much akin to |
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> `a = a + 1` |
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> |
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> Adds 1 to `a` |
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Also, there are chapters for multiprocessing, which has absolutely nothing |
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functional about it and WSGI, which, again, has nothing functional about it. |
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The whole book feels rushed and badly reviewed -- if reviewed before |
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publishing at all. |
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Reference in new issue