How to empty the Trash can in Rasperry PI OS
As in any Linux based distribution you need this command: rm -rf ~/.local/share/Trash/*
Rtrim and Ltrim specific chars in VB.Net
Dim char_array_end = "<br />".ToCharArray Dim char_array_start = "I ".ToCharArray Dim my_string = "I love pizza, beer, sambuca<br />" Dim my_string_trimmed = my_string.TrimEnd(char_array_end) Console.WriteLine(my_string_trimmed) ‘I love pizza, beer, sambuca’ my_string_trimmed = my_string.TrimStart(char_array_start) Console.WriteLine(my_string_trimmed) ‘love pizza,…
Find diffs between all files of same names across two copies of a directory in linux
From the command line run the following command: for file in directory1/*; do diff “$file” “directory2/${file##*/}”; done or for specific file types (example for txt files): for file in directory1/*.txt; do diff “$file” “directory2/${file##*/}”; done
[RESOLVED] Your target project ‘MyAspnetCoreApp’ doesn’t reference EntityFramework.
In our case the problem was that we installed the Microsoft.EntityFrameworkCore package and not EntityFramework. To solve the problem just add the namespace to the commands to run in the PM console. So to create…
[RESOLVED] No migrations configuration type was found in the assembly ‘MyAspnetCoreApp’.
enable-migrations -contexttypename MyAspnetCoreApp.Models.MyDbContext
Javascript | How to check sessionStorage support
var IS_SESSION_STORAGE_SUPPORTED; try { if (window.sessionStorage) { IS_SESSION_STORAGE_SUPPORTED = true; } else { IS_SESSION_STORAGE_SUPPORTED = false; } } catch (e) { IS_SESSION_STORAGE_SUPPORTED = false; } if (console) console.log(IS_SESSION_STORAGE_SUPPORTED);
Sql Server | Get host address of the client connecting to server
SELECT client_net_address, COUNT(*) FROM sys.dm_exec_connections GROUP BY client_net_address
ASP.NET Core | Making a request synchronously
using (var netClient = new System.Net.Http.HttpClient()) { var response = netClient.GetAsync(“https://example.com”).Result; if (response.IsSuccessStatusCode) { var responseContent = response.Content; string responseAsString = responseContent.ReadAsStringAsync().Result; Console.WriteLine(responseAsString); } }
PHP | List all folders in the mailbox
$mbox = imap_open(“{mail.example.com:143/novalidate-cert}”, “foo@example.com”, “password”) or die(“can’t connect: ” . imap_last_error()); $folders = imap_list($mbox, “{mail.example.com:143/novalidate-cert}”, “*”); if ($folders === false) { echo “Failed to list folders in mailbox”; } else { print_r($folders); } imap_close($mbox);
C# | Cast an int to enum
using System; public class Program { public static void Main() { var e0 = (Food)Enum.ToObject(typeof(Food), 0); Console.WriteLine(e0); // or simply var e2 = (Food)2; Console.WriteLine(e2); } public enum Food { Pizza, Pasta, Tofu } }