Latest Posts

• RubyGems CheatSheet [18 Feb 2023]

  A quick reference to common rubygems CLI commands.

• Git keeps asking ssh key passphrase [17 Feb 2023]

  Usually, when we use Git via SSH, we don’t need to enter passphrase all the time. But sometime, it keeps asking you to enter the passphrase. Here is how I resolved it.

• Cannot start Git after upgrading MacOS or Xcode [15 Feb 2023]

  After upgrading the MacOS to new version, I cannot execute git commands with an error “xcrun: error: invalid active developer path”. Here is how I resolved it.

• MacOS Tips [12 Nov 2022]

  When using MacOS, I faced a lot of different issues, so I noted down all solutions here.

• JavaScript Check if Not a Number [01 May 2021]

  There are multiple ways to check if a variable is a number in JavaScript and here are some common ways.

• Bình Yên [29 Mar 2021]

  Bình yên vẫn luôn ở ngay đây, chỉ là tâm của bạn đã đủ “lắng” để cảm nhận?