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How to check if array element exists or not in javascript?
I am working with Titanium, my code looks like this:
18 Answers
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How to convert an xml string to a dictionary?
I have a program that reads an xml document from a socket. I have the xml document stored in a string which I would like to convert directly to a Python dictionary, the same way it is done in Django's simplejson library.
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When to use in vs ref vs out
...r keyword out instead of ref . While I (I think) understand the difference between the ref and out keywords (that has been asked before ) and the best explanation seems to be that ref == in and out , what are some (hypothetical or code) examples where I should always use out and not ...
PowerShell equivalent to grep -f
...-file=filename . If you don't know grep , filename is a text file where each line has a regular expression pattern you want to match.
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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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SQLite: How do I save the result of a query as a CSV file?
I'm new to SQLite. Is there a way I can export the results of a query into a CSV file?
6 Answers
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Convert blob to base64
This is a snippet for the code that I want to do Blob to Base64 string:
9 Answers
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Bootstrap select dropdown list placeholder
I am trying to make a dropdown list that contains a placeholder. It doesn't seem to support placeholder="stuff" as other forms do. Is there a different way to obtain a placeholder in my dropdown?
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Choosing between qplot() and ggplot() in ggplot2 [closed]
I'm starting to use the great ggplot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?"
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How can I grep for a string that begins with a dash/hyphen?
... the string that starts with a dash/hyphen, like -X , in a file, but it's confusing this as a command line argument.
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