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Getting attribute using XPath
Given an XML structure like so:
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PHP passing $_GET in linux command prompt
Say we usually access via
13 Answers
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Cleaning `Inf` values from an R dataframe
In R, I have an operation which creates some Inf values when I transform a dataframe.
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Find column whose name contains a specific string
I have a dataframe with column names, and I want to find the one that contains a certain string, but does not exactly match it. I'm searching for 'spike' in column names like 'spike-2' , 'hey spike' , 'spiked-in' (the 'spike' part is always continuous).
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Is it possible to use JS to open an HTML select to show its option list? [duplicate]
Is it possible to use JavaScript to open an HTML select to show its option list?
11 Answers
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For-each over an array in JavaScript
How can I loop through all the entries in an array using JavaScript?
40 Answers
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string.charAt(x) or string[x]?
Is there any reason I should use string.charAt(x) instead of the bracket notation string[x] ?
6 Answers
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How to handle dependency injection in a WPF/MVVM application
I am starting a new desktop application and I want to build it using MVVM and WPF.
9 Answers
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What does “Content-type: application/json; charset=utf-8” really mean?
When I make a POST request with a JSON body to my REST service I include Content-type: application/json; charset=utf-8 in the message header. Without this header, I get an error from the service. I can also successfully use Content-type: application/json without the ;charset=utf-8 portion.
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Formatting Decimal places in R
I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that?
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