wesley tanaka


Running a SQLite database transaction in Android


The idiom for SQLite transactions in Android is:

try {
  // Do database operations here ...
} finally {

Responsive AdSense Leaderboard ad unit for Twitter Bootstrap 2.3.2


Twitter Bootstrap 2.3.2 sets its media query responsive layout breaks at 768px, 980px, (and 1200px), which are suitable for including a Mobile Banner (320 x 50), Leaderboard (728 x 90), or a  Large Leaderboard (970 x 90). It's possible to do this with the new beta Responsive ad unit AdSense ad size.

java.lang.IllegalArgumentException: transactions on multiple entity groups only allowed in High Replication applications


If you run a Java Google App Engine unit test with a vanilla LocalDatastoreServiceTestConfig instance, you will run into the error java.lang.IllegalArgumentException: transactions on multiple entity groups only allowed in High Replication applications:

Keys-only query using JDO in Google App Engine Java


To turn a Java Google App Engine JDO query into a keys-only query, call setResult(String) on it to specify that only the @PrimaryKey column should be returned.  JDO will convert this into a keys-only query on the datastore.

For example, if your entity class looks like this:

public class YourEntity {
  private String name;
// ...

Call a JSP from a servlet


If you want to include/execute a .jsp file from within a servlet, you can use the forward() method of the request dispatcher.

Move Android SearchView Icon inside the text field


The Android SearchView, which allows you to display a search UI embedded inside the ActionBar at the top of your activity, can sometimes display a magnifying glass icon outside and to the left of the EditText like this:

and other times display the magnifying glass icon inside the EditText like this, much more like the search dialog:

Android AccountManager com.google auth token types


Several AccountManager methods accept a String authTokenType which controls the "They are requesting permission to" list in the Permission request activity.

Here are some available values of authTokenType for the "com.google" accountType:

Make iTerm always quit when closing last window


While iTerm is not running, run:

defaults write com.googlecode.iterm2 MinRunningTime -float 0


Android Menu vs Action Bar


The options menu in Android will be displayed differently in the UI of your app depending on the value of android:targetSdkVersion that you set in AndroidManifest.xml. If android:targetSdkVersion is not set, or is set to a value less than 11, you will always get a grid of up to six menu items in one or two rows near the bottom of the screen.

View HTTP requests made by Internet Explorer


Tools that can inspect HTTP traffic coming from IE8, IE9, IE10 etc.Browser plugins

Network sniffers

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by Wesley Tanaka