Some tips for django

Posted on 2018-05-21 in Trucs et astuces • Tagged with Python, Web, Django


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JavaScript tips

Posted on 2018-03-07 in Trucs et astuces • Tagged with JavaScript

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

PostgreSQL tips

Posted on 2018-03-07 in Trucs et astuces • Tagged with PostgreSQL, Database, SQL

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 …


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Run multiple docker daemons on the same host

Posted on 2018-02-25 in Programmation • Tagged with Docker, Linux

Today I am going to explain how you can run multiple docker daemons on the same host. This can be useful if you want several users to use docker and want each of them to be isolated from one another (ie don't see images, containers, … of other users). The solution …


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Can we clean password from PHP memory?

Posted on 2017-11-26 in Programmation • Tagged with php, Docker, security

At work in a PHP application, we rely on libsodium to erase a password from $_POST. It may sound like a good idea: once the password is not in memory any more, it can't leak. But the question is: is it really erased from memory? That's the question will answer …


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How to cache Python module in Gitlab CI

Posted on 2017-08-20 in Trucs et astuces • Tagged with gitlab, ci, Python

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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nginx tips

Posted on 2017-08-19 in Trucs et astuces • Tagged with nginx

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

Integrate Rollbar with Aurelia

Posted on 2017-08-19 in Aurelia • Tagged with aurelia, rollbar

I recently integrated Rollbar (a service to Detect, diagnose and debug errors with ease) into an Aurelia application. I explain here how I did it. I start by explaining how logging works with Aurelia and then how I integrated Rollbar into this.


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A sample application with Aurelia UX

Posted on 2017-08-14 in Aurelia • Tagged with ionic2, angular2, aurelia, framework7, android, mobile

This is a follow up to my Small comparison of ionic2 and Aurelia + Framework7 for hybrid mobile applications article where I compared ionic2 and Aurelia with Framework 7 for building an hybrid applications. At the time, Aurelia UX was not yet ready (and we were expecting a different, closed source …


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Chiffrer des fichiers avec GPG

Posted on 2017-08-08 in Trucs et astuces • Tagged with GPG, securité

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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