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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…

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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="" xmlns:app="" xmlns: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"…

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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>    …

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