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Importing data from a JSON file into R
... file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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What does -XX:MaxPermSize do?
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The permanent space is where the classes, methods, internalized strings, and similar objects used by the VM are stored and never deallocated (hence the name).
This Oracle article succinctly presents the working and parameterization of the HotSpot GC and advises you to augment this space ...
Reorder levels of a factor without changing order of values
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I wish to add another case where the levels could be strings carrying numbers alongwith some special characters : like below example
df <- data.frame(x = c("15-25", "0-4", "5-10", "11-14", "100+"))
The default levels of x is :
df$x
# [1] 15-25 0-4 5-10 11-14 100+
# L...
How do you determine which backend is being used by matplotlib?
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Use the get_backend() function to obtain a string denoting which backend is in use:
>>> import matplotlib
>>> matplotlib.get_backend()
'TkAgg'
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Best content type to serve JSONP?
...bservice that when called without specifying a callback will return a JSON string using application/json as the content type.
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How can I use “puts” to the console without a line break in ruby on rails?
... I think setting stdout to sync is an overkill to output one string. Then if you app outputs a lot it will be slower.
– akostadinov
May 11 '17 at 20:44
add a com...
BigDecimal setScale and round
...of your BigDecimal getting set? How are you outputting the value (using a String.format() might hide significant digits)?
– dale peters
Oct 25 '16 at 14:58
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PHP sprintf escaping %
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Escape it with another %:
$stringWithVariables = 'About to deduct 50%% of %s %s from your Top-Up account.';
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What is the lifecycle of an AngularJS Controller?
..... the docs say the opposite, but they are refering to raw template: "HTML STRING" when it's a template file it gets loaded async like.
– user3338098
Apr 9 '15 at 15:12
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How to create index on JSON field in Postgres?
...cts them as TEXT, though. If you want to do integer comparisons instead of string comparisons, you have to add a cast: ((info->>'name')::INT).
– jpmc26
Oct 6 '15 at 19:44
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