-
Notifications
You must be signed in to change notification settings - Fork 0
/
pycaxias2020.html
428 lines (334 loc) · 12.8 KB
/
pycaxias2020.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>PyCaxias 2020</title>
<meta name="description" content="Por que você deveria aprender Rust">
<meta name="author" content="Julio Biason">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
<link rel="stylesheet" href="reveal.js/css/reveal.css">
<link rel="stylesheet" href="reveal.js/css/theme/night.css" id="theme">
<!-- Code syntax highlighting -->
<link rel="stylesheet" href="reveal.js/lib/css/zenburn.css">
<!-- Printing and PDF exports -->
<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
<style type="text/css" media="screen">
.happy {
color: yellow;
}
.reveal section img {
border: none;
}
.reveal ul.empty {
list-style: none inside;
}
.revel ul.empty li {
display: block;
}
.cursor {
background-color: #666;
color: white;
}
img {
max-height: 90%;
}
td.seen {
font-style: italic;
font-weight: bold;
}
.semi-opaque {
background-color: rgba(0, 0, 0, 0.7);
}
</style>
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<section data-background="_images/pycaxias.png" data-header>
<h2 class="semi-opaque">PyCaxias 2020</h2>
</section>
</section>
<section>
<img src="_images/avatar-20170726.png" alt="Me" style="float:left;width:200px;" class="no-border">
<div>
<ul class="empty">
<li>Júlio Biason</li>
<li><a href="https://functional.cafe/@juliobiason">https://functional.cafe/@juliobiason</a></li>
<li><a href="https://t.me/juliobiason">https://t.me/juliobiason</a></li>
<li>julio.biason@pm.me</li>
</ul>
</div>
</section>
<section>
<ul>
<li>Coordenador do meetup <strong>Rust in POA</strong></li>
<li>Co-coordenador do meetup <strong>PyTche</strong></li>
<li>Co-coordenador do meetup <strong>Design de Código</strong></li>
<li>Palestrante do <strong>Tchelinux</strong></li>
</ul>
</section>
<section>
<h3>JulioBiason.me</h3>
<ul>
<li><a href="https://blog.juliobiason.me/">Blog</a></li>
<li><a href="https://presentations.juliobiason.me/">Presentations</a></li>
<li><a href="https://git.juliobiason.me/">Git</a></li>
<li><a href="https://resume.juliobiason.me/">CV/Resumé</a></li>
<li><a href="https://books.juliobiason.me/">Books</a></li>
</ul>
</section>
<section>
<h3>"Coisas Que Eu Aprendi Na Marra (Em 30 Anos de Desenvolvimento de Software)</h3>
<h3 class="fragment">😞</h3>
</section>
<section>
<h2>Python: Passado, Presente e Futuro</h2>
<p class="fragment">... na minha visão</p>
</section>
<section data-background="_images/past.jpg">
<h2 class="semi-opaque">O Passado</h2>
</section>
<section>
<h3>Python 1.5</h3>
<img class="stretch" src="_images/python15.png" alt="">
</section>
<section>
<h3>Python 1.5 (1998)</h3>
<ul>
<li><code>assert</code></li>
<li>raw strings (<code>r''</code>)</li>
<li>Novos métodos de dicionários: <code>.clear()</code>, <code>.copy()</code>, <code>.update()</code>, <code>.get()</code></li>
</ul>
</section>
<section>
<p><code>[expression] and [on_true] or [on_false]</code></p>
</section>
<section>
<p>"Vamos fazer um <i>browser</i> em Python!"</p>
</section>
<section>
<img class="stretch" src="_images/tilefile.jpg" alt="">
</section>
<section>
<ul>
<li>Web Server</li>
<li class="fragment">Storage: <a href="https://docs.python.org/3/library/pickle.html?highlight=pickle#module-pickle">Pickle</a></li>
<li class="fragment">Atualizado storage: MySQL</li>
<li class="fragment">Criada toda uma camada para que o carregamento parecesse com leitura de pickles</li>
</ul>
<p class="fragment">Django 1.0: 2008</p>
</section>
<section>
<p>"É mais fácil pra mim vender AJAX e Rails do que Flash e Python."</p>
<p>-- Tilefile CEO</p>
</section>
<section>
<img class="stretch" src="_images/iplenix.png" alt="">
</section>
<section>
<img class="stretch" src="_images/consuela.jpeg" alt="">
</section>
<section data-background="_images/present.jpg">
<h2 class="semi-opaque">O Presente</h2>
</section>
<section>
<img class="stretch" src="_images/the-witch-is-dead.png" alt="">
</section>
<section>
<img class="stretch" src="_images/python27-clock.png" alt="">
</section>
<section>
<img class="stretch" src="_images/python-usage.png" alt="">
</section>
<section>
<img class="stretch" src="_images/ipython.png" alt="">
</section>
<section>
<img class="stretch" src="_images/ipython-notebook.png" alt="">
</section>
<section>
<img class="stretch" src="_images/jupyter.jpeg" alt="">
</section>
<section>
<img class="stretch" src="_images/scikit.jpeg" alt="">
</section>
<section>
<img class="stretch" src="_images/python-datascience.png" alt="">
</section>
<section>
<img class="stretch" src="_images/guido-no-bdfl.png" alt="">
</section>
<section data-background="_images/back-to-the-future.jpeg">
<h2 class="semi-opaque">O Futuro</h2>
</section>
<section>
<p>You can't connect the dots looking forward; you can only connect them looking backwards.</p>
<p>-- Steve Jobs</p>
</section>
<section>
<p>No man is an island,<br>
Entire of itself,<br>
Every man is a piece of the continent,<br>
A part of the main.</p>
<p>-- John Donne</p>
</section>
<section>
<h2>Type Hinting: Love it</h2>
</section>
<section>
<p>"Mas Python não tem tipos!"</p>
<pre class="fragment"><code data-trim>
In [1]: type(object)
Out[1]: type
</code></pre>
</section>
<section>
<img class="stretch" src="_images/isso-nao-prova-nada.png" alt="">
</section>
<section>
<pre><code data-trim>
In [4]: type("a")
Out[4]: str
In [5]: type(str)
Out[5]: type
</code></pre>
</section>
<section>
<pre><code data-trim>
def to_fahrenheit(temperature: int) -> int:
</code></pre>
</section>
<section>
<pre><code data-trim>
@dataclass
class Celcius:
temperature: int
def to_fahrenheit(temperature: Celcius) -> int:
</code></pre>
</section>
<section>
<h2>mypy</h2>
</section>
<section>
<img class="stretch" src="_images/tweet-python2020.png" alt="">
</section>
<section>
<h2>??</h2>
<p class="fragment">None-aware operator (PEP 505)</p>
<pre class="fragment"><code data-trim>
a ??= 'value'
</code></pre>
<pre class="fragment"><code data-trim>
a = a if a is not None else 'value'
</code></pre>
</section>
<section>
<h2>@</h2>
<p class="fragment">Dedicated infix operator for matrix multiplication (PEP 465)</p>
</section>
<section>
<h2>|</h2>
<p class="fragment">Union Operator to Dict (PEP 584)</p>
<pre class="fragment"><code data-trim>
dict1.update(dict2) # in-place
</code></pre>
<pre class="fragment"><code data-trim>
dict3 = dict1 | dict2
</code></pre>
<pre class="fragment"><code data-trim>
dict1 |= dict2 # same as .update()
</code></pre>
</section>
<section>
<h2>:=</h2>
<p class="fragment">Assignment Operator (PEP 572)</p>
<pre class="fragment"><code data-trim>
while chunk := file.read(8192):
process(chunk)
</code></pre>
</section>
<section>
<h2>@dict[key].attr[0].decorator</h2>
<p class="fragment">Relaxing Grammar Restrictions On Decorators (PEP 614)</p>
</section>
<section>
<h2>Steering Council <span class="fragment"> 🤔 </span></h2>
</section>
<section>
<h3>Python Positional-Only Parameters (PEP 570)</h3>
<pre><code data-trim>
pow(x, y, z=None, /)
...
>>> pow(x=5, y=3)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: pow() takes no keyword arguments
</code></pre>
</section>
<section>
<p>"Without the ability to specify which parameters are
positional-only, library authors must be careful when
choosing appropriate parameter names."</p>
<h1 class="fragment">🤦</h1>
</section>
<section>
<img class="stretch" src="_images/chrysalis.jpeg" alt="">
</section>
<section>
<img class="stretch" src="_images/oogway.jpeg" alt="">
</section>
<section>
<img class="stretch" src="_images/fear.jpeg" alt="">
</section>
<section>
<h1>??</h1>
</section>
<section data-background='_images/thats-all-folks.jpg'>
<div class="semi-opaque">
<ul class="empty">
<li><a href="https://functional.cafe/@juliobiason">https://functional.cafe/@juliobiason</a></li>
<li><a href="https://t.me/juliobiason">https://t.me/juliobiason</a></li>
<li>julio.biason@pm.me</li>
<li><a href="https://presentations.juliobiason.me">https://presentations.juliobiason.me</a></li>
</ul>
</div>
</section>
</div>
</div>
<script src="reveal.js/lib/js/head.min.js"></script>
<script src="reveal.js/js/reveal.js"></script>
<script>
// Full list of configuration options available at:
// https://github.com/hakimel/reveal.js#configuration
Reveal.initialize({
controls: true,
progress: true,
history: true,
center: true,
// showNotes: true,
transition: 'slide', // none/fade/slide/convex/concave/zoom
// Optional reveal.js plugins
dependencies: [
{ src: 'reveal.js/lib/js/classList.js', condition: function() { return !document.body.classList; } },
{ src: 'reveal.js/plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'reveal.js/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'reveal.js/plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
{ src: 'reveal.js/plugin/zoom-js/zoom.js', async: true },
{ src: 'reveal.js/plugin/notes/notes.js', async: true }
]
});
</script>
</body>
</html>