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Remove 'a' from legend when using aesthetics and geom_text

How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though. ...
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Making text background transparent but not text itself

So I am having a problem. I have looked around and looked around but no luck. I would like to make the background of my body transparent but leave the text non transparent. As it is right now I keep making both the same opacity. Here is my code: ...
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How I can I lazily read multiple JSON values from a file/stream in Python?

I'd like to read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects. ...
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ORA-01882: timezone region not found

I'm accessing an Oracle Database from a java application, when I run my application I get the following error: 19 Answers ...
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How do you generate dynamic (parameterized) unit tests in python?

I have some kind of test data and want to create a unit test for each item. My first idea was to do it like this: 25 Answer...
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How to read a file in reverse order?

How to read a file in reverse order using python? I want to read a file from last line to first line. 21 Answers ...
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Python speed testing - Time Difference - milliseconds

What is the proper way to compare 2 times in Python in order to speed test a section of code? I tried reading the API docs. I'm not sure I understand the timedelta thing. ...
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What does the star operator mean, in a function call?

What does the * operator mean in Python, such as in code like zip(*x) or f(**k) ? 5 Answers ...
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Notification passes old Intent Extras

i am creating a notification inside a BroadcastReceiver via this code: 6 Answers 6 ...
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Will strlen be calculated multiple times if used in a loop condition?

I'm not sure if the following code can cause redundant calculations, or is it compiler-specific? 18 Answers ...