diff --git a/angularjs.md b/angularjs.md
new file mode 100644
index 000000000..941dfe95d
--- /dev/null
+++ b/angularjs.md
@@ -0,0 +1,57 @@
+---
+title: Angular.js
+layout: default
+---
+
+    <html ng-app="nameApp">
+
+### Lists (ng-repeat)
+
+    <ul ng-controller="MyListCtrl">
+      <li ng-repeat="phone in phones">
+        {{phone.name}}
+      </li>
+
+### Model (ng-model)
+
+    <select ng-model="orderProp">
+      <option value="name">Alphabetical</option>
+      <option value="age">Newest</option>
+    </select>
+
+### Defining a module
+
+    App = angular.module('myApp', []);
+
+    App.controller('MyListCtrl', function ($scope) {
+      $scope.phones = [ ... ];
+    });
+
+### Controller with protection from minification
+
+    App.controller('Name', [
+      '$scope',
+      '$http',
+      function ($scope, $http) {
+      }
+    ]);
+
+    a.c 'name', [
+      '$scope'
+      '$http'
+      ($scope, $http) ->
+    ]
+
+
+### HTTP
+
+  App.controller('PhoneListCtrl', function ($scope, $http) {
+    $http.get('/data.json').success(function (data) {
+      $scope.phones = data;
+    })
+  });
+
+References:
+
+ * https://github.com/angular/angular-seed
+ * https://angularjs.org/
diff --git a/git-branch.md b/git-branch.md
new file mode 100644
index 000000000..6701ca690
--- /dev/null
+++ b/git-branch.md
@@ -0,0 +1,24 @@
+---
+title: Git branches
+layout: default
+---
+
+    # create a new branch
+      git checkout -b $branchname
+      git push origin $branchname --set-upstream
+
+    # get a remote branch
+      git fetch origin
+      git checkout --track origin/$branchname
+
+    # delete local remote-tracking branches (lol)
+      git remote prune origin
+
+    # list merged branches
+      git branch -a --merged
+
+    # delete remote branch
+      git push origin :$branchname
+
+    # get current sha1 (?)
+      git show-ref HEAD -s
diff --git a/git.md b/git.md
index 13028c1ef..e9427bb00 100644
--- a/git.md
+++ b/git.md
@@ -1,8 +1,33 @@
 ---
-title: Git
+title: Git tricks
 layout: default
 ---
 
+## Refs
+
+    HEAD^       # 1 commit before head
+    HEAD^^      # 2 commits before head
+    HEAD~5      # 5 commits before head
+
+## Branches
+
+    # create a new branch
+      git checkout -b $branchname
+      git push origin $branchname --set-upstream
+
+    # get a remote branch
+      git fetch origin
+      git checkout --track origin/$branchname
+
+    # delete local remote-tracking branches (lol)
+      git remote prune origin
+
+    # list merged branches
+      git branch -a --merged
+
+    # delete remote branch
+      git push origin :$branchname
+
 ## Submodules
 
     # Import .gitmodules
@@ -18,3 +43,24 @@ layout: default
 ## Cherry pick
 
     git rebase 76acada^
+
+## Misc
+
+    # get current sha1 (?)
+      git show-ref HEAD -s
+
+    # show single commit info
+      git log -1 f5a960b5
+
+## Short log
+
+     $ git shortlog
+     $ git shortlog HEAD~20..    # last 20 commits
+
+     James Dean (1):
+         Commit here
+         Commit there
+
+     Frank Sinatra (5):
+         Another commit
+         This other commit
diff --git a/resolutions.md b/resolutions.md
index 3c3428617..ff19dca8a 100644
--- a/resolutions.md
+++ b/resolutions.md
@@ -3,5 +3,21 @@ title: Resolutions
 layout: default
 ---
 
- * iPhone 4S: 640 x 960 (320 x 480)
- * iPhone 5: 640 x 1136 (320 x 568)
+### Phones
+
+| Resolution | DPPX | Actual resolution | PPI     | Actual PPI | Size | Devices    |
+| ---        | ---  | ---               | ---     | ---        | ---  | ---        |
+| 320 x 480  | @1x  | 320 x 480         | 163 ppi | 163 ppi    | 3.5" | iPhone 3GS |
+| 320 x 480  | @2x  | 640 x 960         | 163 ppi | 326 ppi    | 3.5" | iPhone 4S  |
+| 320 x 568  | @2x  | 640 x 1136        | 163 ppi | 326 ppi    | 4"   | iPhone 5   |
+| 375 x 667  | @2x  | 750 x 1334        | 163 ppi | 326 ppi    | 4.7" | iPhone 6   |
+| 414 x 736  | @3x  | 828 x 2208        | 133 ppi | 401 ppi    | 5.5" | iPhone 6+  |
+| ---        | ---  | ---               | ----    | ---        | ---  | ---        |
+| 360 x 640  | @3x  | 1080 x 1920       | 147 ppi | 441 ppi    | 5"   | Galaxy S4 |
+
+### Tablets
+
+| Resolution | DPPX | Actual resolution | PPI     | Actual PPI | Size | Devices          |
+| ---        | ---- | ---               | ---     | ---        | ---- | ---              |
+| 1024 x 768 | @2x  | 2048 x 1536       | 163 ppi | 326 ppi    | 7.9" | iPad Mini Retina |
+| 1024 x 768 | @2x  | 2048 x 1536       | 132 ppi | 264 ppi    | 9.7" | iPad Air         |
