[Demonstration 1]

[Buggy Method]
public static void register(Item item, String name) {
    GameRegistry.register(item, new ResourceLocation(name));
}

[Buggy Hunk]
GameRegistry.register(item,new ResourceLocation(name));

[Patch]
GameRegistry.register(item,new ResourceLocation(VillageBoxMod.MODID,name));

[Demonstration 2]

[Buggy Method]
@EventHandler
public void init(FMLInitializationEvent event) {
    GameRegistry.registerTileEntity(TileEntityFloatingNumber.class, TileEntityFloatingNumber.name);
    GameRegistry.registerTileEntity(TileEntityMineFieldCompletionSearch.class, "Completion");
    MineSweeperBlocks.init();
    GameRegistry.registerWorldGenerator(new GenerateMineField(), 5);
    PacketDispatcher.registerPackets();
    //register renders
    if (event.getSide() == Side.CLIENT) {
        ClientRegistry.bindTileEntitySpecialRenderer(TileEntityFloatingNumber.class, new RenderFloatingNumber());
    }
}

[Buggy Hunk]
GameRegistry.registerWorldGenerator(new GenerateMineField(),5);

[Patch]
GameRegistry.registerWorldGenerator(new GenerateMineField(),-100);

[Demonstration 3]

[Buggy Method]
public static IStructureConfigurationCapability getStackCapability(ItemStack stack) {
    if (stack.hasCapability(ModRegistry.StructureConfiguration, EnumFacing.NORTH)) {
        NBTTagCompound forgeCapabilities = stack.getSubCompound("ForgeCaps", false);
        IStructureConfigurationCapability stackCapability = stack.getCapability(ModRegistry.StructureConfiguration, EnumFacing.NORTH);
        if (forgeCapabilities != null) {
            if (stackCapability.getDirty() && forgeCapabilities.hasKey(Prefab.MODID + ":structuresconfiguration")) {
                StructureConfigurationCapability capabilityTemp = new StructureConfigurationCapability();
                StructureConfigurationStorage storage = new StructureConfigurationStorage();
                storage.readNBT(ModRegistry.StructureConfiguration, capabilityTemp, EnumFacing.NORTH, forgeCapabilities.getCompoundTag(Prefab.MODID + ":structuresconfiguration"));
                if (!capabilityTemp.getConfiguration().basicStructureName.getName().equals(stackCapability.getConfiguration().basicStructureName.getName())) {
                    stackCapability.setConfiguration(capabilityTemp.getConfiguration());
                    stackCapability.setDirty(false);
                }
            }
        }
        return stackCapability;
    }
    return null;
}

[Buggy Hunk]
NBTTagCompound forgeCapabilities = stack.getSubCompound("ForgeCaps", false);

[Patch]
NBTTagCompound forgeCapabilities = stack.getSubCompound("ForgeCaps");