Updates.

git-log-format.md

@@ -0,0 +1,35 @@
+---
+title: Git log format string
+layout: default
+---
+
+    git log --pretty="format: ..."
+
+    %H  - commit hash
+    %h  - commit hash, abbrew
+    %T  - tree hash
+    %T  - tree hash, abbrev
+    %P  - parent hash
+    %p  - parent hash, abbrew
+    %an - author
+    %aN - author, respecting mailmap
+    %ae - author email
+    %aE - author email, respending mailmap
+    %aD - date (rfc2882)
+    %ar - date (relative)
+    %at - date (unix timestamp)
+    %ai - date (iso8601)
+    %cn - committer name
+    %cN - committer name
+    %ce - committer email
+    %cE - committer email
+    %cd - committer date
+    %cD - committer date
+    %cr
+    %ct
+    %ci
+    %cd - ref names
+    %e  - econding
+    %s  - commit subject
+    %f  - commit subject, filename style
+    %b  - commit body

homebrew.md

@@ -16,20 +16,12 @@ layout: default
     brew edit git            # Edit this formula
     brew home git            # Open homepage
 
-### Stuff
-
-Nice Homebrew packages:
-
- * `tig` - Git "GUI" for the console
- * `mysql`
- * `postgresql`
- * `fmdiff` - Adaptor to use Apple's FileMerge as `diff` (`git config --global merge-tool fmdiff`)
- * `cmus` - Curses-based music player
- * `cclive` - Video downloader
-
- Not from brew:
-
-* `DiffMerge` - nice free merge tool for OSX
+### Tricks
+  
+```sh
+# Show latest casks
+cd "/usr/local/Library/Taps/caskroom/homebrew-cask/Casks" && git log --pretty=format: --name-only --since="30 days ago" | egrep "Casks" | uniq
+```
 
 Tmux
 ----

xpath.md

@@ -0,0 +1,49 @@
+---
+title: Xpath
+layout: default
+--
+
+### Prefixes
+
+    //  anywhere              # //hr[@class='edge']
+    ./  relative              # ./a
+    /   root                  # /html/body/div
+
+### Conditions (`[]`)
+
+                               # div[@class="head"]
+                               # div[@class="head" and @id="top"]
+
+    contains()                 # font[contains(@class,"head")]
+    starts-with()              # font[starts-with(@class,"head")]
+    ends-with()                # font[ends-with(@class,"head")]
+
+    text()                     # button[text()="Submit"]
+    name()                     # div[child[name()='div']]
+    lang(str)
+    namespace-uri()
+
+    count()                    # table[count(tr)=1]
+    last()                     # tr[last()]
+    position()                 # ol/li[position()=2]
+
+    not(expr)
+
+### Axes
+
+    /   child                 # div/a   div[child::a]
+    //  descendant            # div//a
+    @   attribute             # input[@type="text"]
+    ..  parent                # span[parent::[name()='div']]
+
+        ancestor
+        ancestor-or-self
+        following
+        following-sibling
+        preceding
+        preceding-sibling
+
+### Nesting
+
+    a[/span[@class="heading"]]
+