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Rotating and spacing axis labels in ggplot2
...labels are long. While probably not an ideal visualization, for now I'd like to simply rotate these labels to be vertical. I've figured this part out with the code below, but as you can see, the labels aren't totally visible.
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How do I create a file and write to it in Java?
...ach of the code samples below may throw IOException. Try/catch/finally blocks have been omitted for brevity. See this tutorial for information about exception handling.
Note that each of the code samples below will overwrite the file if it already exists
Creating a text file:
PrintWriter writer =...
Fragments within Fragments
... fragment within the UI of another fragment will result in undefined and likely broken behavior.
Update: Nested fragments are supported as of Android 4.2 (and Android Support Library rev 11) : http://developer.android.com/about/versions/android-4.2.html#NestedFragments
NOTE (as per this docs):...
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
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Don't drop, just take the rows where EPS is not NA:
df = df[df['EPS'].notna()]
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Difference between freeze and seal
...d about the JavaScript methods freeze and seal , which can be used to make any Object immutable.
8 Answers
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Use 'import module' or 'from module import'?
...between import module and from module import foo is mainly subjective. Pick the one you like best and be consistent in your use of it. Here are some points to help you decide.
import module
Pros:
Less maintenance of your import statements. Don't need to add any additional imports to start usi...
Converting from a string to boolean in Python?
Does anyone know how to do convert from a string to a boolean in Python? I found this link . But it doesn't look like a proper way to do it. I.e. using built-in functionality, etc.
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Operator overloading in Java
... define your own operators which act in the same way though.
For a Java-like (and JVM-based) language which does support operator overloading, you could look at Kotlin or Groovy. Alternatively, you might find luck with a Java compiler plugin solution.
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How do I clone a Django model instance object and save it to the database?
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Just change the primary key of your object and run save().
obj = Foo.objects.get(pk=<some_existing_pk>)
obj.pk = None
obj.save()
If you want auto-generated key, set the new key to None.
More on UPDATE/INSERT here.
Official docs on copying...
How do I detect “shift+enter” and generate a new line in Textarea?
...olution:
Tim's solution below is better I suggest using that:
https://stackoverflow.com/a/6015906/4031815
My solution
I think you can do something like this..
EDIT : Changed the code to work irrespective of the caret postion
First part of the code is to get the caret position.
Ref: How to...