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getting the last item in a javascript object
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No. Order is not guaranteed in JSON and most other key-value data structures, so therefore the last item could sometimes be carrot and at other times be banana and so on. If you need to rely on ordering, your best bet is to go with arr...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...ore the new Gallery) the Intent.ACTION_GET_CONTENT returned a URI like this
19 Answers
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Vagrant error: NFS is reporting that your exports file is invalid
I am trying to set up the Discourse development environment using these instructions . However when I run Vagrant I get the error:
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Android Studio Project Structure (v.s. Eclipse Project Structure)
... by the different project structures between Eclipse and Android Studio. This makes it difficult to follow tutorials designed for Eclipse. Could anyone let me know why these differences exist? Should they exist?
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Are lists thread-safe?
I notice that it is often suggested to use queues with multiple threads, instead of lists and .pop() . Is this because lists are not thread-safe, or for some other reason?
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Convert .pem to .crt and .key
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I was able to convert pem to crt using this:
openssl x509 -outform der -in your-cert.pem -out your-cert.crt
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Why is not in HTML 5 Tag list while is?
...uldn't both be removed? Or does it mean we should use <small> ? Why is <big> removed but <small> is not? What is the problem with <big> which does not apply to <small> ?
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How can I programmatically determine if my app is running in the iphone simulator?
As the question states, I would mainly like to know whether or not my code is running in the simulator, but would also be interested in knowing the specific iphone version that is running or being simulated.
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How to put a line comment for a multi-line command [duplicate]
...that, in general, you can't do what you're asking for. The best you can do is a comment on the lines before the command, or one single comment at the end of the command line, or a comment after the command.
You can't manage to intersperse comments inside a command this way. The \s express an intent...
Efficient way to remove keys with empty strings from a dict
...tems() if v)
Python 2.7 - 3.X
{k: v for k, v in metadata.items() if v is not None}
Note that all of your keys have values. It's just that some of those values are the empty string. There's no such thing as a key in a dict without a value; if it didn't have a value, it wouldn't be in the dic...