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run: pt | |
./pt | |
pt: printime.c | |
cc `python3-config --cflags` -o $@ $^ `python3-config --ldflags --embed` | |
clear: | |
rm -f pt |
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find -name '*.rs' -exec bash -c \ | |
'wc -c $0; base64 -w0 < $0 | wc -c; ruby -r uri -e "p URI.encode_www_form_component(STDIN.read).size" < $0; echo' {} \; |
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import timeit | |
import random | |
import array | |
setups = """xs = array('i', [0]) * n #array | |
xs = [0] * n #list | |
""" | |
# xs = [None] * n #list | |
# ^^^^ make no difference in timing |
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from timeit import Timer | |
cases = list(ln.split('#') for ln in | |
"""array('i', [0]) * n #arr * n | |
array('i', [0]*n) #arr(lst*n) | |
array('i', range(n)) #arr(range) | |
array('i', (0 for _ in range(n))) #arr(0 for range) | |
""".splitlines()) | |
for i in range(8): |
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import sys | |
from operator import gt, ge | |
cmp = ge | |
def search(a, x): | |
print('search:', x) | |
i, j = 0, len(a) | |
while i < j: | |
h = (i+j) // 2 |
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import sys, itertools | |
for _, it in itertools.groupby(sorted(sys.stdlib_module_names), lambda s: s[0]): | |
for x in sorted(it): print(x) | |
print() |
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import dis, json, sys, inspect, base64 | |
bs = b'this is bytes' | |
plex = 1+2j | |
def code2dict(co): | |
d = {} | |
for k, v in inspect.getmembers(co): | |
# isbuildtin(x) -> Is x a built-in FUNCTION or METHOD? | |
if k.startswith('co_') and not inspect.isbuiltin(v): |
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import dis | |
import rich # not in std | |
class Foo: | |
@staticmethod | |
def bar(co): | |
rich.inspect(co) | |
for c in co.co_consts: | |
if hasattr(c, 'co_code'): | |
Foo.bar(c) |
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class T: | |
... | |
def _m(my): print('m', my) | |
T.m = _m | |
@classmethod | |
def _cm(cls): print('cm', cls) | |
T.cm = _cm | |
## ...OR |
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class trace: | |
lv = 0 | |
# https://docs.python.org/3/reference/datamodel.html#object.__new__ | |
def __new__(cls, fn): | |
def wrapper(x): | |
indent = 4 * cls.lv * ' ' | |
cls.lv += 1 | |
print(indent + f'f({x})') | |
res = fn(x) |
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