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Adding new column to existing DataFrame in Python pandas
I have the following indexed DataFrame with named columns and rows not- continuous numbers:
24 Answers
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How to change colors of a Drawable in Android?
...g up from a source image. On this image, I'd like to convert all of the white pixels to a different color, say blue, and then cache the resultant Drawable object so I can use it later.
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...ut for reasons unknown (likely consistency in this context), Python treats it as an assignment). The Python interpreter sees this at module load time and decides (correctly so) that the global scope's Var1 should not be used inside the local scope, which leads to a problem when you try to reference ...
Callback to a Fragment from a DialogFragment
... callback from a DialogFragment to another Fragment. In my case, the Activity involved should be completely unaware of the DialogFragment.
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...oughput that can be generated in an asynchronous manner vs a classical multithreaded approach.
3 Answers
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Background task, progress dialog, orientation change - is there any 100% working solution?
...and display a progress dialog while downloading. Orientation changes, Activity is restarted and then my AsyncTask is completed - I want to dismiss the progess dialog and start a new Activity. But calling dismissDialog sometimes throws an exception (probably because the Activity was destroyed and new...
Swift: #warning equivalent
Does Swift have a #warning equivalent?
It's simply used to show a warning in Xcode's own GUI
14 Answers
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Why does Eclipse complain about @Override on interface methods?
...ike Eclpse to stop complaining about the annotation, as I can still build with Maven.
10 Answers
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No Exception while type casting with a null in java
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You can cast null to any reference type without getting any exception.
The println method does not throw null pointer because it first checks whether the object is null or not. If null then it simply prints the string "null". Otherwise it will call the toString met...
Abandoning changes without deleting from history
There is a commit that just didn't work, so I want to abandon it without deleting it from history .
9 Answers
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