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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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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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What do @, - and + do as prefixes to recipe lines in Make?
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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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How to know/change current directory in Python shell?
...tever, you need to double up backslashes if you use them in a regular (non-raw) Python string. Python also lets you use forward slashes instead. Thus, either os.chdir('C:/Users/Ajeya/Documents'), or os.chdir('C:\\Users\\Ajeya\\Documents'), or os.chdir(r'C:\Users\Ajeya\Documents').
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How to support UTF-8 encoding in Eclipse
...Russian language but eclipse won't support it. What should I do? Please guide me.
7 Answers
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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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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');
$...
Deleting all pending tasks in celery / rabbitmq
How can I delete all pending tasks without knowing the task_id for each task?
9 Answers
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