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Having options in argparse with a dash
I want to have some options in argparse module such as --pm-export however when I try to use it like args.pm-export I get the error that there is not attribute pm . How can I get around this issue? Is it possible to have - in command line options?
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ManyRelatedManager object is not iterable
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Try
matches = [val for val in Store.attribute_answers.all() if val in WishList.attribute_answers.all()]
Notice the parenthesis at the end of WishList.attribute_answers.all(). Adding the parenthesis invokes the all function to r...
Differences in auto-unboxing between Java 6 vs Java 7
... a difference in auto unboxing behavior between Java SE 6 and Java SE 7. I'm wondering why that is, because I can't find any documentation of changes in this behavior between these two versions.
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how to avoid a new line with p tag?
How can I stay on the same line while working with <p> tag?
5 Answers
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How does Amazon RDS backup/snapshot actually work?
I am an Amazon RDS customer and am experiencing daily amazon RDS write latency spikes, corresponding roughly to the backup window. I will also see spikes at the end of a snapshot (case in point: running a snapshot takes appx 1 hour, and in the final 5 minutes, write latency spikes). I am running a m...
android fragment onRestoreInstanceState
Am I missing something or do Fragment s not have a onRestoreInstanceState() method? If not, how do I go about attaining something similar?
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How to enable zoom controls and pinch zoom in a WebView?
The default Browser app for Android shows zoom controls when you're scrolling and also allows for pinch zooming. How can I enable this feature for my own Webview?
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Can angularjs routes have optional parameter values?
Can I set a route with optional params (same template and controller, but some params should be ignored if they don't exist?
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Restrict varchar() column to specific values?
Is there a way to specify, for example 4 distinct values for a varchar column in MS SQL Server 2008?
4 Answers
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Useful example of a shutdown hook in Java?
I'm trying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice.
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