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How do I call one constructor from another in Java?
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It's true that you can call static methods in this way in order to perform complex calculations for argument values, which is fine. However, if one feels that code is needed before constructor delegation (this(...)) then it would be reasonable to assume that an horrible mistake has ...
CodeIgniter: How to get Controller, Action, URL information
...al, undocumented methods, but we’ve opted to
deprecate them for now in order to maintain backwards-compatibility
just in case. If some of you have utilized them, then you can now just
access the properties instead:
$this->router->directory;
$this->router->class;
$this->router...
Getting all names in an enum as a String[]
...e Strings. You could use EnumUtils.getEnumMap(enumClass).keySet(), but the order might be different.
– Dan Halbert
Nov 1 '16 at 15:47
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Using Intent in an Android application to show another activity
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The issue was the OrderScreen Activity wasn't added to the AndroidManifest.xml. Once I added that as an application node, it worked properly.
<activity android:name=".OrderScreen" />
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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UPDATE 10/17/2012: This functionality now exists in Chrome Stable v22. In order to use this functionality in Chrome, one must enable two flags in chrome://flags:
Enable MediaStream
Enable PeerConnection
Then you can visit the AppRTC Demo Page to try out the demo. See the WebRTC - Running the De...
How to delete an SMS from the inbox in Android programmatically?
... broadcasts (android.provider.Telephony.SMS_RECEIVED) are delivered as an "ordered broadcast" — meaning that you can tell the system which components should receive the broadcast first."
This means that you can intercept incoming message and abort broadcasting of it further on.
In your AndroidMa...
Fastest way to convert Image to Byte array
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So is there any other method to achieve this goal?
No. In order to convert an image to a byte array you have to specify an image format - just as you have to specify an encoding when you convert text to a byte array.
If you're worried about compression artefacts, pick a lossless fo...
What is a mutex?
...eduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to access the shared data. Therefore, the result of the change in data is dependent on the thread scheduling algorithm, i.e. both threads are "racing" to access/change the data.
Real li...
How to turn off caching on Firefox?
During development I have to "clear cache" in Firefox all the time in order to make it use the latest version of JavaScript files.
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Extract month and year from a zoo::yearmon object
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