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1. VSCode tips

   Contents

   • Python
     • venv

   Python

   venv

   To use a venv with VSCode, add in the folder settings:

   {
       "python.pythonPath": "~/.virtualenvs/bureauxlocaux--Uxk5jFn/bin/python",
       "python.unitTest.pyTestEnabled": true
   }
   

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2. Deploy your source maps to Rollbar with Ansible

   I recently had to integrate Rollbar (a service to track errors) with a JS application. One nice thing about Rollbar is that if you provide it with source maps, it will point to you where the error is in the original unminified code.

   Since the application is deployed with Ansible …

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3. Timeout a function in python

   You can use signals and a context manager to acheive this. The idea is to register a function that will raise an exeption when the alarm signal is received and schedule the alarm signal for the timeout.

   import signal
   from contextlib import contextmanager
   
   
   @contextmanager
   def timeout(time):
       # Register a function …

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4. Some tips for django

   Contents

   • Easily increment migrations numbers
   • Create a widget with custom display
   • Use a nginx reverse proxy in dev

   Easily increment migrations numbers

   Here is a small bash script to increment the numbers of your migrations. Put it into your ~/.profile or ~/.bashrc. Use it like: inc-migrations PROJECT/apps/APP_NAME/migrations …

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5. JavaScript tips

   Contents

   • Normalize an UTF-8 string

   Normalize an UTF-8 string

   Rely on String.prototype.normalize().

   const str = "Crème Brulée"
   str.normalize('NFD').replace(/[\u0300-\u036f]/g, "")
   > 'Creme Brulee'
   

   Source: https://stackoverflow.com/questions/990904/remove-accents-diacritics-in-a-string-in-javascript/37511463#37511463

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6. PostgreSQL tips

   Contents

   • Update fields in JSONB format
   • CSV export/import

   Update fields in JSONB format

   Use the jsonb_set(COLUMN_NAME, PATH_TO_CHANGE, VALUE) function. The value must be a valid value in JSON (ie use '500' for numbers, 'true' for boolean and '"str"' for strings). Examples:

   -- Set the postcode field to the 92600 …

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7. How to cache Python module in Gitlab CI

   By default, pip cache will be in ~/.pip. However, this folder cannot be cached by Gitlab. The trick is to force pip to use a folder located in the build directory with the --cache-dir option. You can then cache this folder.

   For instance, you can use .pip as in the …

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8. nginx tips

   CORS for multiple domains

   location ~* \.(?:ttf|ttc|otf|eot|woff|woff2)$ {
       if ( $http_origin ~* (https?://(.+\.)?(domain1|domain2|domain3)\.(?:me|co|com)$) ) {
           add_header "Access-Control-Allow-Origin" "$http_origin";
       }
   }
   

   Source: https://stackoverflow.com/a/27879729/3900519

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9. Chiffrer des fichiers avec GPG

   Voici deux fonctions bash qui permettent de chiffrer et déchiffrer un fichier ou un dossier avec GPG.

   Les dossiers sont compressés dans une archive ZIP avant le chiffrement.

   Le chiffrement laisse les fichiers d'origine intacts. Le déchiffrement laisse le fichier chiffré intact.

   Ces fonctions auront leur place dans votre .bashrc …

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