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Mean per group in a data.frame [duplicate]
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@FabianHabersack You’d ?merge the result with the raw data, but you need to use different names for the aggregated object. It’s easier to do what you’re after with dplyr: d %>% group_by(Name) %>% mutate(mean1=mean(Rate1), mean2=mean(Rate2))
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How to remove the left part of a string?
...requires section headers to be present
path = config.get(section, 'path', raw=1) # case-insensitive, no interpolation
Other options
str.split()
re.match()
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Making HTTP Requests using Chrome Developer tools
...opy as cURL
Open Postman
Click Import in the upper-left corner then Paste Raw Text
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Returning JSON from PHP to JavaScript?
...back ; callback({});
$Json = new json('callback', 'name');
// Just send a raw JSON ; {}
$Json = new json();
// Build data
$object = new stdClass();
$object->test = 'OK';
$arraytest = array('1','2','3');
$jsonOnly = '{"Hello" : "darling"}';
// Add some content
$Json->add('width', '565px');
$...
How to do URL decoding in Java?
...g (such as UTF-8 or ASCII) is what determines the mapping of characters to raw bytes. For a good intro to character encodings, see this article.
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Best way to create a simple python web service [closed]
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Raw CGI is kind of a pain, Django is kind of heavyweight. There are a number of simpler, lighter frameworks about, e.g. CherryPy. It's worth looking around a bit.
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Format a date using the new date time API
...field mapping is only the first step. The second step is then parsing to a raw object of type TemporalAccessor. And finally parsing delegates to the target type (here: LocalDate) and let it decide if it accepts all the field values in parsed intermediate object.
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Read an Excel file directly from a R script
... on MacOS and Linux, but takes an extra step on Windows, i.e. see http://strawberryperl.com/). There are various caveats, and alternatives, listed on the R wiki page.
The only reason I see not to do this directly is that you may want to examine the spreadsheet to see if it has glitches (weird heade...
Running a Python script from PHP
...d display the output
passthru() - Execute an external program and display raw output
Source: http://php.net/manual/en/function.exec.php
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Python 3: ImportError “No Module named Setuptools”
...ven't tested this, sorry :( ):
wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py -O - | python
easy_install pip
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