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Sometimes you may need to call different API in order to build a widget and you need all of these information at the same time. In Flutter it’s pretty easy to do this using the FutureBuilder widget and the wait() method. Let’s see here an example: Here above we have two futures calling two different…
Here is a short list of commands on how to create a user in Linux and get started easily. First of all login as root Create a new user: Create a password for user Add user to sudo group: Create default user home folder: Edit default command line: and replace /bin/sh with /bin/bash
Here is a very quick guide to generated a PDF from HTML and download it using Flask. First of all add these two dependencies in you requirements.txt file and install them using pip Then install the pdf engine running: In your code, import pdfkit and render an HTML template. Then put the output into pdfkit…
If you try to save an object into the $_SESSION variable, you will probably notice this error: __PHP_Incomplete_Class Object This error occurs when an object cannot be serialized and deserialized properly. For this reason, before assigning an object to a session variable, you must serialize it using the function To deserialize it you just have…
How to create a GPG key pair? How to publish a GPG public key? Here is a short and handy guide 🙂 PGP: stands for Pretty Good Privacy and it was created by Symantec GPG: stands for GNU Privacy Guard, an alternative to Symantec’s official PGP software First of all install and test it: Let’s…
Questo errore può comparire all’apertura di Microsoft Word. In particolare l’errore che compare in un popup non appena si apre o si carica l’anteprima di un documento è il seguente: Per risolverlo è possibile seguire il seguente metodo. Aprire regedit da Start Navigare fino a “Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders” (senza apici) Cercare la chiave Cache Cambiare…
This is the typical Nextcloud error that warns you about the low level of php available memory. To increase this parameter you have to edit the php.ini file that could be in different locations depending on the operating system and the version of Apache that you are using. To locate the correct file put the…
This is the error from http package in Flutter: This error is a Javascript error and it can be inspected from AndroidStudio terminal or from the browser console. If you run into this problem it means that the requests to the API server are failing due to a CORS error. When executing these types of…
If you are here it means that you cannot use the OSM plugin for Flutter. And if you are reading this post I hope you’re going to fix it. This is the error: If you are facing the same error, you can try to fix in this way: invalidate cache and restart upgrade Flutter upgrade…
In some cases you have to replicate a Python project on a computer without internet connection. In these cases you must not simply copy the venv folder. Requirements for this process: the project, a memory mass storage, another computer with internet connection. First of all, you have to to install Python on the offline machine….