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how to override action bar back button in android?
I want to customize the activity back button in action bar, not in hard key back button. I have overriden the onBackPressed() method. It works with my emulator back button, but not with action bar back button.
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What columns generally make good indexes?
...uppose, we have a table named buyers where the SELECT query uses indexes like below:
SELECT
buyer_id /* no need to index */
FROM buyers
WHERE first_name='Tariq' /* consider to use index */
AND last_name='Iqbal' /* consider to use index */
Since "buyer_id" is referenced in the SELECT portion, M...
What is the difference between self-types and trait subclasses?
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It is predominately used for Dependency Injection, such as in the Cake Pattern. There exists a great article covering many different forms of dependency injection in Scala, including the Cake Pattern. If you Google "Cake Pattern and Scala", you'll get many links, including presentations and v...
Safe integer parsing in Ruby
...those starting with 0x for hex and 0b for binary, and potentially more tricky numbers starting with zero that will be parsed as octal.
Ruby 1.9.2 added optional second argument for radix so above issue can be avoided:
Integer('23') # => 23
Integer('0x23') ...
Any recommendations for a CSS minifier? [closed]
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The YUI Compressor is fantastic. It works on JavaScript and CSS. Check it out.
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How do I make HttpURLConnection use a proxy?
...0.0.0.1 with port 8080
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("10.0.0.1", 8080));
conn = new URL(urlString).openConnection(proxy);
If your proxy requires authentication it will give you response 407.
In this case you'll need the following code:
Authenticator authentic...
Camera access through browser
...hrough the web browser without being a native app. We are having trouble making this work in iOS. Is anyone aware of a solution for this?
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How do I match any character across multiple lines in a regular expression?
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Jeremy RutenJeremy Ruten
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Can I incorporate both SignalR and a RESTful API?
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Take a look at the video from this blog post. It explains exactly how you can use WebAPI with SignalR.
Essentially, Web API + SignalR integration consists in this class:
public abstract class ApiControllerWithHub<THub> ...
NSRange to Range
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Alex PretzlavAlex Pretzlav
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