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Why fragments, and when to use fragments instead of activities?
... me elaborate;
The ActionBar. If you want tabs up there to navigate your app, you quickly see that ActionBar.TabListener interface gives you a FragmentTransaction as an input argument to the onTabSelected method. You could probably ignore this, and do something else and clever, but you'd be workin...
How to prevent UINavigationBar from covering top of view in iOS 7?
After updating to Xcode 5, the navigation bars in all of my app's views have shifted down. Here are some screenshots, the first showing everything in the view as it's pulled down, and the second showing all of it untouched. The search bar should begin where the navigation bar.
...
Iterating through directories with Python
...
C:/Users/sid/Desktop/test\src\app/cool.txt C:/Users/sid/Desktop/test\src\app/woohoo.txt Ya in the open statement of my code, i think i have to give the absolute path to the file. import os rootdir ='C:/Users/spemmara/Desktop/test/src/app/' for subdir,...
How to model type-safe enum types?
.../docu/files/api/scala/Enumeration.html
Example use
object Main extends App {
object WeekDay extends Enumeration {
type WeekDay = Value
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value
}
import WeekDay._
def isWorkingDay(d: WeekDay) = ! (d == Sat || d == Sun)
WeekD...
Share data between AngularJS controllers
...controllers work with a reference to the same object:
JS:
// declare the app with no dependencies
var myApp = angular.module('myApp', []);
// Create the factory that share the Fact
myApp.factory('Fact', function(){
return { Field: '' };
});
// Two controllers sharing an object that has a strin...
Android SharedPreference security
...e in the filesystem on the device. They are, by default, stored within the app's data directory with filesystem permissions set that only allow the UID that the specific application runs with to access them. So, they are private in so much as Linux file permissions restrict access to them, the same ...
Missing styles. Is the correct theme chosen for this layout?
...ditor. I changed from Holo to Theme and the layout displayed and error disappeared.
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How do I plot in real-time in a while loop using matplotlib?
...t instead create two lists x and y and call plt.plot(x,y) 2. in your loop, append new data values to the two lists 3. call plt.gca().lines[0].set_xdata(x); plt.gca().lines[0].set_ydata(y); plt.gca().relim(); plt.gca().autoscale_view(); plt.pause(0.05);
– Trevor Boyd Smith
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How to draw a line in android
...int);
}
}
The activity to start it:
StartDraw.java
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
public class StartDraw extends Activity {
DrawView drawView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCre...
Advantages and disadvantages of GUID / UUID database keys
...o int's, which makes it REALLY hard)
ORM's usually like them
Unique across applications. So We can use the PK's from our CMS (guid) in our app (also guid) and know we are NEVER going to get a clash.
Disadvantages:
Larger space use, but space is cheap(er)
Can't order by ID to get the insert order...