Today I Learned

Developer things, both little and small, which I learned along the way.

Categories

• Today I Learned
  • Categories
  • Bash
  • Coldfusion
  • CSS
  • Docker
  • Git
  • IIS
  • Javascript
  • PHP
  • MySQL
  • Oracle
  • Sql Server
  • Vim
  • Wordpress

Bash

• If Statements in Bash
• Check For Empty String in Bash
• Make a Custom Shell Prompt
• Escape ANSI Sequences to Avoid Shell Prompt Malfunctions
• Toggle Debug Mode for Command Output
• Add User To Sudo Group
• Convert Putty (PPK) SSH key file to OpenSSH key file
• SSH Key File Permissions Must Be Exact
• Grep For a String With .cfc File Type

Coldfusion

• Ignore Linting Rules in CFLint

CSS

• Firefox Can't Wrap Flex Elements In Print

Docker

• Disable Auto-Restart on Docker Containers
• Env Vars Use Equal Signs - Not Colons!

Git

• Restore Deleted Files from Older Commits
• Discover Why Git Won't Track a File
• Remove File From Last Git Commit
• Cherry Pick a Commit From a Detached Head
• Delete a Remote Branch
• Stash Specific Files and Filenames

IIS

• Turn On Error Details in IIS

Javascript

• Write getter and setter functions in an object literal
• Ignore Right-click Events in a mousedown Event Handler

PHP

• Cron Jobs Have Different $_SERVER Globals
• Load Composer Packages From a Git or VCS Repo

MySQL

• "Schema" and "Database" are not the same thing!
• You can't add an index to a view!
• GRANT permissions for a MySQLdump command are more involved than I thought
• Trim the TAB Character From A Field

Oracle

• Get Oracle Database Version
• Date Formatting using TO_CHAR

Sql Server

• Show Columns In a Table
• Format Date Strings
• Alter an Existing Constraint
• Change a Column Name

Vim

• How to highlight search results in Vim
• Override Indentation Settings for a Specific Filetype

Wordpress

• How to get the URL of a Job Listings page
• How to override login messages with add_filter()
• How to hide an empty sidebar from the template