Jailbreak: Source

For your convenience, I have indexed the programming tutorials below:

Weapons

Dropping just the ammo in the clip
Slowing players with heavy weapons
Adding new ammo types
Burst Fire
Nerfing the combine ball

Weapon Categories Part 1: Creating Categories
Weapon Categories Part 2: Limit Pickups
Weapon Categories Part 3: Weapon Dropping
Weapon Categories Part 4: The HUD

Networking

Keeping players updated with CPlayerResource

Sound

Playing Announcement Sounds
Update to Playing Announcement Sounds
Stopping Sounds

SDK Fixes

Fixing weapon view bob
Fixing HL2MP_Chat_All Chat Issue
Jittery Movement Fix

Misc

Debugging Your Mod
Getting bound keys
Find Nearest Ally
Filtering TraceLines With TraceFilters