## What changes were proposed in this pull request?

Currently some code snippets in the programming guide just do not compile. We should fix them.

## How was this patch tested?

```
SKIP_API=1 jekyll build
```

## Screenshot from part of the change:

![snip20161231_37](https://cloud.githubusercontent.com/assets/15843379/21576864/cc52fcd8-cf7b-11e6-8bd6-f935d9ff4a6b.png)

Author: Liwei Lin <lwlin7@gmail.com>

Closes #16442 from lw-lin/ss-pro-guide-.