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Read String line by line
...air comparison though - String.split relies on the entire input being read into memory, which isn't always feasible (e.g. for large files).
– Adamski
Jul 8 '09 at 8:00
3
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How do I serialize an object and save it to a file in Android?
...unctionality is implicitly added to your class if you use the Serializable interface. If all you want is simple object serialization, that is what I would use. It is extremely easy to implement too. developer.android.com/reference/java/io/Serializable.html
– mtmurdock
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Class does not implement its superclass's required members
...convenience required init(coder: NSCoder) {
self.init(stringParam: "", intParam: 5)
}
Note the call to an initializer in self. This allows you to only have to use dummy values for the parameters, as opposed to all non-optional properties, while avoiding throwing a fatal error.
The third opt...
Any way to Invoke a private method?
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So then what is the point of having private methods if they can be called from outside the class?
– Peter Ajtai
Sep 19 '13 at 22:56
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How to display count of notifications in app launcher icon [duplicate]
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Android ("vanilla" android without custom launchers and touch interfaces) does not allow changing of the application icon, because it is sealed in the .apk tightly once the program is compiled. There is no way to change it to a 'drawable' programmatically using standard APIs. You may ac...
What's the difference between echo, print, and print_r in PHP?
I use echo and print_r much, and almost never use print .
11 Answers
11
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How to set RelativeLayout layout params in code not in xml?
...you have to do:
Create a RelativeLayout.LayoutParams object.
Use addRule(int) or addRule(int, int) to set the rules. The first method is used to add rules that don't require values.
Set the parameters to the view (in this case, to each button).
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Counting DISTINCT over multiple columns
...adding them to the CHECKSUM() function). The REVERSE() function turns the ints into varchars to make the distinct more reliable
SELECT COUNT(DISTINCT (CHECKSUM(DocumentId,DocumentSessionId)) + CHECKSUM(REVERSE(DocumentId),REVERSE(DocumentSessionId)) )
FROM DocumentOutPutItems
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How can I tell PyCharm what type a parameter is expected to be?
...format a bit (see jetbrains.com/help/pycharm/…), but thanks! The lack of intellisense on parameters was driving me insane.
– stubs
Oct 15 '17 at 19:56
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How to get string width on Android?
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You can use the getTextBounds(String text, int start, int end, Rect bounds) method of a Paint object. You can either use the paint object supplied by a TextView or build one yourself with your desired text appearance.
Using a Textview you Can do the following:
Rect...