:::: gangserver's blog ::::

Spring websocket sample https://spring.io/guides/gs/messaging-stomp-websocket/

1. File > Settings... (Ctrl+Alt+S) 2. Editor > Inspections 3. Search "PEP 8" 4. Check box checked - PEP 8 coding style violation - PEP 8 naming convention violation

PyTorch + CPU (Not CUDA) 1. PIP [ Windows ] 1.1 Stable(1.9.0) pip3 install torch torchvision torchaudio 1.2 LTS(1.8.1) pip3 install torch==1.8.1+cpu torchvision==0.9.1+cpu torchaudio===0.8.1 -f https://download.pytorch.org/whl/lts/1.8/torch_lts.html [ Linux ] 1.1 Stable(1.9.0) pip3 install torch==1.9.0+cpu torchvision==0.10.0+cpu torchaudio==0.9.0 -f https://download.pytorch.org/whl/torch_stable..

>>> keras.utils.plot_model(model) Traceback (most recent call last): File "/home/user/dev/git/py_test/python/hongong/ch08/test_08_2.py", line 29, in keras.utils.plot_model(model) File "/home/user/.local/lib/python3.8/site-packages/tensorflow/python/keras/utils/vis_utils.py", line 322, in plot_model dot = model_to_dot( File "/home/user/.local/lib/python3.8/site-packages/tensorflow/python/keras/ut..

1. time import time start = time.time() (code) print("time :", time.time() - start) ------------------------------------------------------------------------ time : 59.317203998565674 2. time, numpy(round()) import time import numpy as np start = time.time() (code) print("time :", np.round(time.time() - start), "(s)") ------------------------------------------------------------------------ time :..

Run anaconda prompt Conda package update > conda update -n base conda All python package update > conda update --all

1. PIP 모듈 설치 > pip install virtualenv virtualenvwrapper (* 윈도우는 virtualenvwrapper-win 설치 > pip install virtualenv virtualenvwrapper-win) 사용 mkvirtualenv : 가상 환경 생성 deactivate : 가상 환경 종료 rmvirtualenv : 가상 환경 삭제 workon : 가상 환경 진입

1. pycodestyle install (Windows / Ubuntu) pip install pycodestyle 2. code style check Error / Warning code - Error code : Exxx / ex) E226 - Warning code : Wxxx / ex) W391 * detail code description : https://pep8.readthedocs.io pep8’s documentation — pep8 1.7.1 documentation Docs » pep8’s documentation Edit on GitHub Credits Created by Johann C. Rocholl. Maintained by Florent Xicluna and Ian Lee...

네이버 주식 일별 시세 pandas read_html() 오류 --------------------------------------------------------------------------------------------------- import pandas as pd # 네이버 금융 주식 일별시세(예, LG전자[066570]) url = "https://finance.naver.com/item/sise_day.nhn?code=066570" df = pd.read_html(url) --------------------------------------------------------------------------------------------------- => 오류 발생 : ValueError:..

Pandas read_excel error : ValueError: Your version of xlrd is 2.0.1. In xlrd >= 2.0, only the xls format is supported. Install openpyxl instead. 1. openpyxl install $ pip install openpyxl