Today I Learned

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CentOS

• How to limit bandwidth on CentOS

CI/CD

GitLab CI/CD

• Add a mac as a GitLab runner
• Setup CI pipeline for iOS projects

Jenkins

• Create stage dynamically in declarative pipeline

CocoaPods

• CocoaPods save project.pbxproj file in XML plist format on Xcode 7.3.1
• CocoaPods Private Spec Repo

Git

• Fork a repo
• Git keeps asking password after El Capitan upgrade
• Change case sensitivity of filename
• Interactive Rebase

Hacking

• Decompile Android apk

Homebrew

• Bash Completion

iOS

• App Transport Security (ATS)
• Redirect to Settings Page
• Retrieve expiry date of Provisioning Profile Certificate from .ipa
• Failed to open Xcode (LSOpenURLsWithRole() failed with error -10699)
• WKWebView set custom HTTP headers
• IAP applicationUsername is nil

Mac

• Catalina failed to sync iPhone with Finder

Networking

• SSL Server Test
• Shadowsocks vs. VPN

Objective-C

• Keep subview in Scroll View always on screen
• Custom View using xib
• Scroll up textfield when keyboard shows
• Auto Layout - Hugging Vs Resistance

Regex

• Chinese Characters in Regex

SQL

• Select random row in SQL
• Update JSON value in PostgreSQL

SSH

• Verify SSH passphrase/Show associated public key of the private key

Svn

• Checkout directories only

Swift

• Implement Equatable protocol with Inheritance

Unix

• Create and Grant Sudo Privileges to User
• Show ASCII Text welcome message when login with SSH
• Create and Change Current Directory

Vim

• Vim with Multiple Files

About

I very shamelessly ;) stole this idea from jbranchaud/til.

Other TIL Collections

• Today I Learned by Hashrocket
• jwworth/til
• thoughtbot/til
• jbranchaud/til