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Postgresql GROUP_CONCAT equivalent?
I have a table and I'd like to pull one row per id with field values concatenated.
7 Answers
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How to get current CPU and RAM usage in Python?
What's your preferred way of getting current system status (current CPU, RAM, free disk space, etc.) in Python? Bonus points for *nix and Windows platforms.
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Python division
I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
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explicit casting from super class to subclass
The assignment Dog dog = (Dog) animal; does not generate a compilation error, but at runtime it generates a ClassCastException . Why can't the compiler detect this error?
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How do I increase the number of displayed lines of a Java stack trace dump?
Is there a way to make Throwable.printStackTrace(PrintStream s) print the full stack trace, so that I can see beyond the final line of "... 40 more" ?
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Get all related Django model objects
How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE).
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Is there a way to specify how many characters of a string to print out using printf()?
Is there a way to specify how many characters of a string to print out (similar to decimal places in int s)?
8 Answers
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Javascript: Setting location.href versus location
When would you set location to a URL string versus setting location.href ?
7 Answers
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HTML list-style-type dash
Is there a way to create a list-style in HTML with a dash (i.e. - or – – or — — ) i.e.
17 Answer...
Java Delegates?
Does the Java language have delegate features, similar to how C# has support for delegates?
15 Answers
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