Error compile in “Use Facebook Login example”
May you forgot to define Activity in your AndroidManifest.xml <activity android:name=”com.facebook.LoginActivity” android:label=”@string/title_facebook_login” > </activity>
sample
Google Maps Android API v2 – Sample Code crashes
Follow the crib sheet very, very carefully: https://docs.google.com/document/pub?id=19nQzvKP-CVLd7_VrpwnHfl-AE9fjbJySowONZZtNHzw In particular, I think you need to: Import the actual source for the “google-play-services_lib” project and link it as an Android library. Do this through Project -> Properties -> Android -> Library, Add -> google-play-services_lib (you can right click on your project and choose Properties, then select … Read more
Android sample bluetooth code to send a simple string via bluetooth
private OutputStream outputStream; private InputStream inStream; private void init() throws IOException { BluetoothAdapter blueAdapter = BluetoothAdapter.getDefaultAdapter(); if (blueAdapter != null) { if (blueAdapter.isEnabled()) { Set<BluetoothDevice> bondedDevices = blueAdapter.getBondedDevices(); if(bondedDevices.size() > 0) { Object[] devices = (Object []) bondedDevices.toArray(); BluetoothDevice device = (BluetoothDevice) devices[position]; ParcelUuid[] uuids = device.getUuids(); BluetoothSocket socket = device.createRfcommSocketToServiceRecord(uuids[0].getUuid()); socket.connect(); outputStream = socket.getOutputStream(); … Read more
Random Sample of a subset of a dataframe in Pandas
You can use the sample method*: In [11]: df = pd.DataFrame([[1, 2], [3, 4], [5, 6], [7, 8]], columns=[“A”, “B”]) In [12]: df.sample(2) Out[12]: A B 0 1 2 2 5 6 In [13]: df.sample(2) Out[13]: A B 3 7 8 0 1 2 *On one of the section DataFrames. Note: If you have a … Read more
Where can I find some good examples of Android UI? [closed]
1) A good summary on everything UI design in Android can be found here. 2) The best place to get started is directly from the official website. And here are relevant examples that are considered as good design in Android.
Where can I find some sample WPF animations? [closed]
Honestly I think the best way to learn is to use an animation tool. If you have access to Expression Blend you can use it to learn a lot about how WPF animations are setup in Xaml. There are many nuances to animation, like keyframe easing, that are just hard to understand and get right … Read more
MVC tutorial that doesn’t rely on a framework? [closed]
Almost every framework does MVC differently, so you might end up getting even more confused. The general principles of MVC are very simple: “Model is state; view reacts to model; controller reacts to view; controller changes model”. The model, view and controller are concepts – they are whatever you feel them to be. Classes, bunches … Read more
Where can I find sample databases with common formatted data that I can use in multiple database engines? [closed]
The datawrangling blog posted a nice list a while back: http://www.datawrangling.com/some-datasets-available-on-the-web Includes financial, government data (labor, housing, etc.), and too many more to list here.
Sample http range request session
The following exchange is between Chrome and a static web server, retrieving an MP4 video. Initial request – for the video. Note the Accept-Ranges response header to indicate the server has range header support: GET /BigBuckBunny_320x180.mp4 Cache-Control: max-age=0 Connection: keep-alive Accept-Language: en-GB,en-US,en Host: localhost:8080 Range: Accept: text/html,application/xhtml+xml,application/xml,*/* User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.7 … Accept-Encoding: … Read more