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How to exit if a command failed?
I am a noob in shell-scripting. I want to print a message and exit my script if a command fails. I've tried:
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How to detect the device orientation using CSS media queries?
In JavaScript the orientation mode can be detected using:
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Python super() raises TypeError
In Python 2.5, the following code raises a TypeError :
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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
I have looked at this question but still don't understand the difference between Iterable and Traversable traits. Can someone explain ?
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How to delete (not cut) in Vim?
How can I delete a line without putting it into my default buffer?
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Give all the permissions to a user on a DB
I would like to give an user all the permissions on a database without making it an admin.
The reason why I want to do that is that at the moment DEV and PROD are different DBs on the same cluster so I don't want a user to be able to change production objects but it must be able to change objects on...
Convert Python dictionary to JSON array
Currently I have this dictionary, printed using pprint :
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How to forward declare a template class in namespace std?
and used that function in my main. I get errors. Of course, I know that there are more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it?
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How add “or” in switch statements?
This is what I want to do:
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CSS table column autowidth
Given the following how do i make my last column auto size to its content?
(The last column should autosize-width to the content. Suppose i have only 1 li element it should shrink vs. having 3 li elements etc):
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