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Lingcslawの英語でITブログ
English for Engineers
This homepage is a collection of articles about IT and English.
ブログ記事
Production: Don't delay cancellation of subscription after suspension 2026.06.05
Production: Don't delete Stripe accounts on Day 90 2026.06.03
Production: Cleanup half signup accounts 2026.05.20
Django: No import Django magic 2026.05.20
Django: Limit the size of a uploading file 2026.05.19
Django: N+1 query problem 2026.05.12
Production: Prevent Stripe from showing your personal email 2026.05.10
Production: Trial System 2026.05.07
Production: Suspension policy on overdue invoices 2026.05.01
Production: Testing the system 2026.04.26
Production: Roadmap to use real Stripe and CloudFront 2026.04.25
Bootstrap: How to broaden the width of a table 2026.04.24
Production: other .env security issues 2026.04.20
Production: Brevo alert 2026.04.20
Production: AWS security issues 2026.04.19
Django: Image file preview 2026.04.14
Django: dbshell with PostgreSQL 2026.04.04
Django: signals.py 2026.03.28
Production: Next move (S3) 2026.03.08
Production: Advanced Architectures for SaaS 2026.03.07
Production: Setting a limit to downloading 2026.03.06
Production: About Cost 2026.03.06
Django: Password error 2026.03.05
Promotion: Youtube channnel 2026.03.03
Production: Bring-Your-Own-Storage (BYOS) 2026.03.02
Production: Sign up but quit. Then again Sign up. 2026.02.20
AWS: Deployment of Django 2026.01.07
Production: Data retention and wording of emails 2026.01.06
Dj: Filters on the admin page 2026.01.02
Production: Do I need to send emails to clients? 2025.12.21
Production: deletion does not delete completely 2025.12.13
Production: When to delete clients and documents 2025.12.06
Production: Period passed, but is_active is still True. 2025.12.06
Production: Cancelled, but you can still use it!? 2025.12.05
uid64 2025.11.23
Production: Signup and Email Confirmation 2025.11.15
Production: Signup and Legal matters 2025.11.14
Production: Refining my client portal 2025.10.23
Dj: admin page 2025.10.19
Production: Linking payment system to client portal 2025.10.01
Production: how to create a multi-admin version 2025.09.04
Production: Limit the space for a user 2025.09.02
Production: from GitHub to local and venv 2025.08.31
Production: Next Step 20225.08.29
PythonAnywhere: How to upload a file 2025.08.28
Django: What is the best way to view and download files? 2025.08.26
Django: doc.title 2025.08.26
Django: where did I define title? 2025.08.25
Django: Bootstrap 2025.08.23
Django: how to hide documents 2025.08.21
Django: save() in views.py 2025.08.19
Django: exclude = ... in admin.py 2025.08.19
Django: dashboard.html 2025.08.18
Django: urls.py 2025.08.18
Django: views.py 2025.08.18
Django: Why still validating the upload? 2025.08.16
Djanog: {% load crispy_forms_tags %} 2025.08.16
Django: {% if pic_list %} 2025.08.16
Django: forms.py to read a picture file 2025.08.15
Djanog: class Meta: 2025.08.14
Django: forms.py and models.py 2025.08.14
Django: admin.py 2025.08.14
Django: class ClientDocument(models.Model) 2025.08.14
Django: user = models.OneToOneField(User, ...) 2025.08.14
Production: Where can I start creating the portal? 2025.08.10
Production: Changing projects on PythonAnywhere 2025.08.08
Django: urls.py 2025.08.07
Django: What to register as an INSTALLED_APPS 2025.08.07
Production: testing .env and settings.py 2025.08.07
Production: adding .env and .gitignore 2025.08.05
Production: venv/ or another virtualenv? 2025.08.04
Production: Where should I run pip freeze > requirements.txt? 2025.08.04
Production: Is venv necessary? 2025.08.03
Production: Where should I place my client_portal? 2025.07.30
Production: first commercial Django site 2025.07.29
PythonAnywhere: Copy my projects to GitHub (2) 2025.07.27
Django: collectstatic 2025.07.27
Python: venv 2025.07.24
PythonAnywhere: Copy my projects to GitHub 2025.07.20
SQL: JOIN 3 tables 2025.07.19
Production: Are two pythonanywhere accounts okay? 2025.07.18
Production: Database size included in the Disk size? 2025.07.18
Production: Where to deploy 2025.07.18
Production: What to do 2025.07.14
Django: <a href="boring">Boring Form</a> 2025.07.14
Django: fields in DetailView 2025.07.13
Django: fields 2025.07.13
Django: settings.AUTH_USER_MODEL 2025.07.13
Django: the whole picture 2025.07.13
Python: super() 2025.07.11
Django: Template names by convention 2025.07.11
Django: Where is the original `form_valid()`? 2025.07.10
Django: Hiding URL doesn't prevent access 2025.07.10
Django: tests.py 2025.07.09
Django: dbshell vs shell 2025.07.08
Jobs: How to find Django jobs 2025.07.08
Pythonanywhere: How to download files 2025.07.07
Django: scripts 2025.07.06
Django: alternative to a pull-down list 2025.07.05
Django: if almost identical apps, same database? 2025.07.03
Django: login.html 2025.07.01
Django: How to use old data from database 2025.06.30
Django: forms.py 2025.06.30
Django: models.py 2025.06.28
Django: log out 2025.06.27
Django: from URL to html 2025.06.26
Django: login and redirect 2025.06.26
Django: two "registration/login.html"s 2025.06.25
Django: Where can I find 'login' and 'logout'? 2025.06.24
Django: How can Django know my email and id? 2025.06.24
Django: I made a login page 2025.06.24
Django: CSRF -- Cross-Site Request Forgery 2025.06.23
Django: staff user or not 2025.06.23
Django: class IndexView(generic.ListView): 2025.06.17
Django: Avoiding race conditions using F() 2025.06.16
Django: reverse() and reverse_lazy() 2025.06.10
Django: how to deal with a "no such table: gview_cat" error 2025.06.10
Django: namespace and name in urls.py 2025.06.08
Django: two versions of index(request) 2025.06.03
Django: Where is the output printed? 2025.05.31
Django: templates 2025.05.31
Django: Where is admin info? 2025.05.30
Django: the DRY Principle 2025.05.29
SQLite: Where to start 2025.05.29
Django: <slug:guess> 2025.05.27
Django: path() in urls.py 2025.05.27
Django: Adding an input box 2025.05.26
Django: various types of views 2025.05.26
Django: How to create your own package 2025.05.24
Django: How to add a new app 2025.05.23
Django: the relationship among views.py, urls.py, and main.html 2025.05.23
Django: ~/django_projects/mysite/views/views.py 2025.05.22
Django: ~/django_projects/mysite/views/urls.py 2025.05.21
Django: Model View Controller (MVC) 2025.05.18
Django: mysite/settings.py 2025.05.12
GitHub: Undo Accidental Change 2025.05.12
Django: Cost for a Commercial Product 2025.05.10
How to use nano 2025.05.09
Django: ~/django_projects/mysite/mysite/urls.py 2025.05.05
Django: python manage.py shell 2025.05.04
SQLite for the first time 2025.05.04
Django: Autos CRUD (Part 2) 2025.05.02
Django: Autos CRUD (Part 1) 2025.05.01
Installing Django on PythonAnywhere (Part 7) 2025.04.30
GitHub: "--rebase" in git pull origin main --rebase 2025.04.22
GitHub: how to create a branch 2025.04.22
Python: lambda as y=f(x) 2025.04.21
Python: os.environ[ ] 2025.04.20
bash command "export PATH" and Python "sys.path" 2025.04.19
os.path.expanduser(): slashの向きが違う 2025.04.19
Installing Django on PythonAnywhere (Part 6) 2025.04.17
GitHub: READMEのためgit pushできない!? 2025.04.15
Bashでfileを検索する: find . -name "" 2025.04.14
Installing Django on PythonAnywhere (Part 5) 2025.04.14
GitHub: git logで : が出たらどうするか? 2025.04.10
GitHub: originとmainの違い 2025.04.07
Installing Django on PythonAnywhere (Part 4) 2025.04.06
Installing Django on PythonAnywhere (Part 3) 2025.04.04
Installing Django on PythonAnywhere (Part 2) 2025.04.02
Installing Django on PythonAnywhere (Part 1) 2025.04.02
Code解析redirect.py 2025.03.31
Code解析client2.py(urllib) 2025.03.31
Code解析client1.py 2025.03.30
Code解析server.py 2025.03.29
Code解析socket1.py 2025.03.29
PythonでOOP(Part 6) 2025.03.27
PythonでOOP(Part 5) 2025.03.25
PythonでOOP(Part 4) 2025.03.24
PythonでOOP(Part 3) 2025.03.23
PythonでOOP(Part 2) 2025.03.23
GitHub: localでcommitしたけどpushがまだのfilesの確認方法 2025.03.23
Rock, Paper & Scissorsをtkinter化する(後編) 2025.03.22
Rock, Paper & Scissorsをtkinter化する(中編) 2025.03.20
Remove older versions of Python 2025.03.17
Rock, Paper & Scissorsをtkinter化する(前編) 2025.03.17
Number Guessing Gameをtkinter化する 2025.03.16
Python code (simple calculator)にtkinterを組み込む(その3) 2025.03.14
Python code (simple calculator)にtkinterを組み込む(その2) 2025.03.12
Python code (simple calculator)にtkinterを組み込む(その1) 2025.03.11
ChatGPTでGitHubのpull requestを学ぶ 2025.03.09
ChatGPTでHomepageを模写してみた 2025.03.05
VS CodeでGitHubを使ってみる(格闘中#3) 2025.02.27
urllib.parse.urlencode()の使い方 2025.02.24
urllib.request.urlopen()の使い方 2025.02.24
VS CodeでGitHubを使ってみる(格闘中#2) 2025.02.23
VS CodeでGitHubを使ってみる(格闘中) 2025.02.22
JSON stringsとPython dictionariesの違い 2025.02.21
英語で2/3mをなんて言う? 2025.01.31
Jimdoの<head>をReverse Engineeringしてみた 2025.01.29
Pythonをinstallする 2025.01.14
Win11のOneDriveを使いやすくする 2025.01.12
PythonでOOP(Part 1) 2024.12.16
tkinterをClass化してみた 2024.12.15
はじめてのtkinter 2024.12.13
.pyファイルをダブルクリックでrunさせる 2024.12.07
Pyinstaller作成ファイルがMalwareとして認識される 2024.11.28
Watch out your AmazonCloudWatch 2024.10.22
AWS Application Load Balancer 2024.10.20
Reactってなんだ!? 2024.10.04
AWS S3でホームページを立ち上げてみた 2024.10.02
Pandasを学んでみた 2024.03.29
PHP Redirectの仕組みの検討 2024.03.11
Big O Notation 2024.02.29
Deploy WordPress to an Amazon EC2 instance (その1) 2024.02.28
Matplotlibを使ってみた 2024.02.06
PHP Sessions without Cookiesを試してみた 2024.02.04
YouTubeのCopyright claimをdisputeしてみた 2024.02.03
AWSでEC2のinstanceをlaunchしてみた 2024.01.30
初心者向けGoogle Search Consoleの使い方#2 2024.01.21
PHP Sessionsを設定してその動きを確認してみた 2024.01.19
Binomial Distribution の variance はなぜ n∗p∗(1−p) なのか? 2024.01.15
Razer Seiren Miniが[k]と[s]を拾わない !? 2024.01.06
DaVinci Resolve 18を使ってみた 2024.01.05&07
Google AnalyticsをJimdo(free)に設定してみた 2024.01.04
初心者向けGoogle Search Consoleの使い方 2024.01.02
PHPでHTTP Cookiesを設定してみた 2023.12.30
Audacityを使ってみた 2023.12.08
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AWS Route 53で、ドメインを取得してみた 2023.12.02
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