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rake db:schema:load vs. migrations
...ets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all?
7 A...
How does “make” app know default target to build if no target is specified?
...e default goal; to do that, it may have to process other targets - specifically, ones the first target depends on.
The GNU Make Manual covers all this stuff, and is a surprisingly easy and informative read.
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How many Activities vs Fragments?
...at most closely matches the tutorial mentioned in the question is the one called "Layout" in the app; or FragmentLayoutSupport in the source code.
In this demo, the logic has been moved out of the Activity and into the Fragment. The TitlesFragment actually contains the logic for changing Fragments....
Plurality in user messages
...
If there is ever any chance, no matter how small, that this app will need to be translated to other languages then both are wrong. The correct way of doing this is:
string message = ( noofitemsselected==1 ?
"You have selected " + noofitemsselected + " item. Are you s...
How can I use getSystemService in a non-activity class (LocationManager)?
...l in onCreate function like this:
package com.atClass.lmt;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
import android.location.Location;
public class lmt extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super....
Optimising Android application before release [closed]
...
Thanks! I really like answers with resources. :-)
– Wroclai
Apr 11 '11 at 20:21
1
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iOS: Access app-info.plist variables in code
...ode (right click the info.plist - select Open As) then you will get to see all the various key names you can use.
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Set Page title using UI-Router
...
Actually, that's not quite accurace. The page title changes before the URL hash changes, so the browser thinks the new title is for the old page. The back button history is then 1 page off. Wrapping the element.text(title) call i...
Mac OS X Terminal: Map option+delete to “backward delete word”
... trial and error). now i wonder why there is so little documentation about all this.
– victor n.
Oct 7 '15 at 16:14
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If my interface must return Task what is the best way to have a no-operation implementation?
...mprove performance even more if you cache the already completed task since all instances of completed tasks are the same:
public static class TaskExtensions
{
public static readonly Task CompletedTask = Task.FromResult(false);
}
With TaskExtensions.CompletedTask you can use the same instance ...