Provide Best Programming Tutorials

1. Two Sum

Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution, and you may…

Continue Reading

Using LinearLayout to build Wechat Login interface

Below is how it looks like Here we use LinearLayout to arrange the elements <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context=".MainActivity"> <EditText android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="@string/hint_username" android:paddingBottom="20dp"…

Continue Reading

ssh-copy-id

Log in as root Edit ssh config: sudo nano /etc/ssh/sshd_config Change this line: PasswordAuthentication no to PasswordAuthentication yes Restart daemon: sudo systemctl restart sshd Do ssh-copy-id: ssh-copy-id someuser@<my-ip>    …

Continue Reading
Close Menu