added tips to readme

Author: Steve Krouse

README.md

@@ -1,11 +1,78 @@
-# futureofcoding.org
-
-Hello! My name is Steve Krouse. This is the repo for http://futureofcoding.org. 
+# [futureofcoding.org](http://futureofcoding.org)
 
 If you find any typos or have any suggestions, feel free to edit anything and send me a pull request.
 
 You can also take a look at [the issues](https://github.com/stevekrouse/futureofcoding.org/issues) to see the other things in my todo list. I'd appreciate your feedback on any of those items. Or if you have anything to add there, feel free to create a new issue and I'll comment on it to let you know if I'm going to get it done. 
 
 Feel free to shoot me an email as well. I'm steve at futureofcoding.org.
 
+## Stuff to know
+
+### Remove large media files locally
+
+First run:
+
+```bash
+git config core.sparsecheckout true
+```
+
+Then put the following into `.git/info/sparse-checkout`:
+
+```
+*.html
+*.md
+*.gitignore
+*.txt
+*.js
+*.css
+*.yml
+*.json
+```
+
+And then run 
+
+
+```bash
+git read-tree -mu HEAD
+```
+
+
+### Add _data/git-log.json changes
+
+This is how I generage [futureofcoding.org/log](futureofcoding.org/log).
+
+First, `pip install git2json` as explained [here](https://github.com/tarmstrong/git2json#installation).
+
+Then create `.git/hooks/post-commit` with the following contents:
+
+```bash
+git2json > _data/git-log.json
+
+previousMessage=$(git log -1 --pretty=%B)
+
+if [ "$previousMessage" != "updated git log" ]
+then
+    git add _data/git-log.json
+    git commit -m "updated git log" 
+fi
+
+exit 1
+```
+
+### Quick access to journal
+
+Add the following to `~/.bashrc`:
+
+```bash
+function empty_message {
+  sleep 0.1
+  echo -e "## Title\n\n* TOC\n{: toc }\n\n" > .git/COMMIT_EDITMSG
+}
+
+function journal {
+  empty_message & 
+  git commit --allow-empty --cleanup=verbatim
+}
+```
+
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