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Updated a bunch of missing things on the Python presentation

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Julio Biason 6 years ago
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1 changed files with 158 additions and 105 deletions
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      fugindo-com-python-2.html

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fugindo-com-python-2.html
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@ -59,7 +59,7 @@
}
.semi-opaque {
background-color: rgba(0, 0, 0, 0.7);
background-color: rgba(0, 0, 0, 0.8);
color: #fff;
text-shadow: 2px 2px #000;
}
@ -86,9 +86,8 @@
<div>
<ul class="empty">
<li>Júlio Biason</li>
<li>@juliobiason</li>
<li>https://functional.cafe/@juliobiason</li>
<li>julio.biason@gmail.com</li>
<li>julio.biason@pm.me</li>
<li><a href="http://presentations.juliobiason.net">http://presentations.juliobiason.net</a></li>
</ul>
</div>
@ -112,7 +111,7 @@
<section>
<h2>Solução</h2>
<pre><code>"""Randomize a "Run to the hills" phrase."""
<pre><code class="hljs python" data-trim>"""Randomize a "Run to the hills" phrase."""
from __future__ import print_function
@ -178,7 +177,7 @@ if __name__ == "__main__":
<section>
<h2>Docstrings</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
"""Randomize a "Run to the hills" phrase."""
</code></pre>
@ -203,7 +202,7 @@ if __name__ == "__main__":
<section>
<h2>Módulos e imports</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
import random
from argparse import ArgumentParser
</code></pre>
@ -267,7 +266,7 @@ from argparse import ArgumentParser
<section>
<h2>Variáveis e tipos</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
CONSONANTS = ['f', 'j', 'c', 'l', 'n']
PASSPHRASE = '{}u{}am para as {}o{}i{}as'
</code></pre>
@ -292,13 +291,25 @@ PASSPHRASE = '{}u{}am para as {}o{}i{}as'
nós vamos estragar essa convenção.)
</aside>
</section>
<section>
<h2>Variáveis e tipos (um pouco mais)</h2>
<ul>
<li><code>" ou '</code>: Strings</li>
<li><code>[]</code>: Listas/arrays</li>
<li><code>{}</code>: Dicionários/mapas/objetos/arrays associativos</li>
<li><code>()</code>: Tuplas</li>
<li><code>Set()</code>: Conjuntos (tipo lista, sem duplicações)</li>
</ul>
</section>
</section>
<section>
<section>
<h2>Funções</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def print_phrase(consonants):
"""Print the phrase with the randomized consonants."""
</code></pre>
@ -328,7 +339,7 @@ def print_phrase(consonants):
<section>
<h2>Funções</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def print_phrase(consonants, something_else):
</code></pre>
@ -341,7 +352,7 @@ def print_phrase(consonants, something_else):
<section>
<h2>Funcões</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def soma(primeiro, segundo):
total = primeiro + segundo
return total
@ -361,7 +372,7 @@ def soma(primeiro, segundo):
<section>
<h2>Funções</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
soma(1, 2)
</code></pre>
@ -374,7 +385,7 @@ soma(1, 2)
<section>
<h2>Funções</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
soma(primeiro=2, segundo=3)
</code></pre>
@ -387,7 +398,7 @@ soma(primeiro=2, segundo=3)
<section>
<h2>Funções</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
soma(segundo=3, primeiro=2)
</code></pre>
@ -404,11 +415,11 @@ soma(segundo=3, primeiro=2)
<section>
<h2>Funções</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def soma(primeiro=0, segundo=0):
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
soma()
soma(1)
soma(segundo=3)
@ -428,17 +439,17 @@ soma(segundo=3)
<section>
<h2>Pausa: Varargs</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def soma(primeiro, segundo):
total = primeiro + segundo
return total
</code></pre>
<pre class="fragment"><code>
<pre class="fragment"><code class="hljs python" data-trim>
soma(1)
</code></pre>
<pre class="fragment"><code>
<pre class="fragment"><code class="hljs python" data-trim>
soma(1, 2, 3)
</code></pre>
@ -451,7 +462,7 @@ soma(1, 2, 3)
<section>
<h2>Pausa: Varargs</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
TypeError: soma() takes exactly 2 arguments (3 given)
</code></pre>
@ -464,7 +475,7 @@ TypeError: soma() takes exactly 2 arguments (3 given)
<section>
<h2>Pausa: Varargs</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def soma(*valores):
</code></pre>
@ -479,16 +490,16 @@ def soma(*valores):
<section>
<h2>Pausa: Varargs</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def soma(*valores):
print(valores)
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
soma(1, 2, 3, 4, 5)
</code></pre>
<pre class="fragment"><code>
<pre class="fragment"><code class="hljs python" data-trim>
[1, 2, 3, 4, 5]
</code></pre>
</section>
@ -496,7 +507,7 @@ soma(1, 2, 3, 4, 5)
<section>
<h2>Pausa: Varargs</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def soma(inicial, segundo=0, *valores):
print(inicial)
print(segundo)
@ -504,11 +515,11 @@ def soma(inicial, segundo=0, *valores):
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
soma(2)
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
2
0
[]
@ -526,16 +537,16 @@ soma(2)
<section>
<h2>Pausa: Varargs</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def soma(**valores):
print(valores)
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
soma(primeiro=1, segundo=2)
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
{'primeiro': 1, 'segundo': 2}
</code></pre>
@ -568,7 +579,7 @@ soma(primeiro=1, segundo=2)
<section>
<h2>Pausa: Varargs</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
params = [4, 4]
soma(*params)
</code></pre>
@ -594,7 +605,7 @@ soma(*params)
<section>
<h2>Pausa: Objetos</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
"isso é uma string"
</code></pre>
@ -606,7 +617,7 @@ soma(*params)
<section>
<h2>Pausa: Objetos</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
help("isso é uma string")
</code></pre>
@ -625,11 +636,11 @@ help("isso é uma string")
<section>
<h2>Pausa: Objetos</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
"isso é uma string".capitalize()
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
frase = "isso é uma string"
frase.capitalize()
</code></pre>
@ -640,7 +651,7 @@ frase.capitalize()
<section>
<h2><span style="color:crimson">Welcome to Hell</span></h2>
<pre><code>
<pre><code class="hljs python" data-trim>
print(PASSPHRASE.format(*consonants).capitalize())
</code></pre>
@ -680,11 +691,11 @@ frase.capitalize()
<section>
<h2><span style="color:crimson">Welcome</span> to Hell</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
'Bem vindo {}!'.format('Júlio')
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
Bem vindo Júlio!
</code></pre>
@ -697,12 +708,12 @@ Bem vindo Júlio!
<section>
<h2>Welcome to Hell</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
PASSPHRASE = '{}u{}am para as {}o{}i{}as'
PASSPHRASE.format('f', 'j', 'c', 'l', 'n')
</code></pre>
<pre class="fragment"><code>
<pre class="fragment"><code class="hljs python" data-trim>
'fujam para as colinas'
</code></pre>
@ -716,13 +727,13 @@ PASSPHRASE.format('f', 'j', 'c', 'l', 'n')
<section>
<h2>Welcome to... Hell</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
CONSONANTS = ['f', 'j', 'c', 'l', 'n']
PASSPHRASE = '{}u{}am para as {}o{}i{}as'
PASSPHRASE.format(*CONSONANTS)
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
'fujam para as colinas'
</code></pre>
@ -737,11 +748,11 @@ PASSPHRASE.format(*CONSONANTS)
<section>
<h2>Welcome to... Hell?</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
'fujam para as colinas'.capitalize()
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
Fujam para as colinas
</code></pre>
@ -756,7 +767,7 @@ Fujam para as colinas
<section>
<h2>Randomizações</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def totally_random():
"""Run a totally random way."""
random.shuffle(CONSONANTS)
@ -776,7 +787,7 @@ def totally_random():
<section>
<h2>Randomizações</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
def switch_two():
"""Run by changing two steps at a time."""
first = random.randint(0, 1)
@ -801,7 +812,7 @@ def switch_two():
<section>
<h2>Welcome to hell, maybe?</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
CONSONANTS[second], CONSONANTS[first] = \
CONSONANTS[first], CONSONANTS[second]
</code></pre>
@ -810,7 +821,7 @@ def switch_two():
<section>
<h2>Welcome to Listas!</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
# CONSONANTS = ['f', 'j', 'c', 'l', 'n']
# second = random.randint(2, 4)
CONSONANTS[second]
@ -836,7 +847,7 @@ CONSONANTS[second]
E pra criar uma tupla:
</p>
<pre><code>
<pre><code class="hljs python" data-trim>
valor, valor
</code></pre>
@ -846,13 +857,13 @@ valor, valor
<section>
<h2>Welcome to Destructuring</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
primeiro, segundo = [1, 2]
print(primeiro)
print(segundo)
</code></pre>
<pre><code>
<pre><code class="hljs python" data-trim>
1
2
</code></pre>
@ -875,12 +886,12 @@ print(segundo)
<section>
<h2>Tudo junto, agora!</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
CONSONANTS[second], CONSONANTS[first] = \
CONSONANTS[first], CONSONANTS[second]
</code></pre>
<pre class="fragment"><code>
<pre class="fragment"><code class="hljs python" data-trim>
tmp = CONSONANTS[first]
CONSONANTS[first] = CONSONANTS[second]
CONSONANTS[second] = tmp
@ -901,7 +912,7 @@ CONSONANTS[second] = tmp
<section>
<h2>O Pai de Todos Módulos</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
if __name__ == "__main__":
</code></pre>
@ -937,7 +948,7 @@ if __name__ == "__main__":
<section>
<h2>A linha de comando</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
args = ArgumentParser()
args.add_argument('-t', '--totally',
dest='type',
@ -967,7 +978,7 @@ if __name__ == "__main__":
<section>
<h2>Funções são cidadãos de primeira classe</h2>
<pre><code>
<pre><code class="hljs python" data-trim>
callbacks = {
'totally': totally_random,
'switch': switch_two
@ -1010,6 +1021,46 @@ if __name__ == "__main__":
</section>
</section>
<section>
<section>
<h2>O que faltou?</h2>
</section>
<section>
<h3>List comprehensions</h3>
<pre><code class="hljs python" data-trim>
numeros = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
pares = [num
for num
in numeros
if num % 2 = 0]
</code></pre>
<p class="fragment">Curiosidade: Strings são iteráveis como listas.</p>
</section>
<section>
<h3>Generators</h3>
<pre><code class="hljs python" data-trim>
numeros = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
pares = (num
for num
in numeros
if num % 2 = 0)
</code></pre>
<pre><code class="hljs python fragment" data-trim>
&lt;generator object &lt;genexpr&gt; at 0x7f03ce4e67d0&gt;
</code></pre>
</section>
<section>
<h3>Laziness</h3>
</section>
</section>
<section>
<section data-background="_images/python.jpg">
<h1 class="semi-opaque">Fulindo para as Cojinas com Python</h1>
@ -1022,16 +1073,18 @@ if __name__ == "__main__":
<section data-background='_images/thats-all-folks.jpg'>
<section>
<h1 class="fragment semi-opaque">Perguntas?</h1>
<div class="fragment semi-opaque">
<ul>
<li>@juliobiason</li>
<div class="semi-opaque">
<ul class="empty">
<li>Júlio Biason</li>
<li>https://functional.cafe/@juliobiason</li>
<li>julio.biason@gmail.com</li>
<li>julio.biason@pm.me</li>
<li><a href="http://presentations.juliobiason.net">http://presentations.juliobiason.net</a></li>
</ul>
</div>
<h3></h3> <!-- this is stupid, but I'm not in the mood to figure out the proper CSS -->
<h1 class="fragment semi-opaque">Perguntas?</h1>
</section>
</section>
</div>

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