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Parsing a JSON string in Ruby
...able, e.g. json_string, like so:
require 'json'
JSON.parse(json_string)
If you’re using an older Ruby, you may need to install the json gem.
There are also other implementations of JSON for Ruby that may fit some use-cases better:
YAJL C Bindings for Ruby
JSON::Stream
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How to select distinct rows in a datatable and store into an array
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if i have 2 columns "mo" and "name" i need to get the distinct "mo" but not the distinct "name" but i need to keep the column "name" in my datatable what shall i do?
– User7291
Dec 5 '13...
How to check a radio button with jQuery?
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If you want the other radio buttons in the radio group to update properly use $("#radio_1").prop("checked", true).trigger("click");
– Paul LeBeau
Mar 29 '16 at 13:52
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Format date to MM/dd/yyyy in JavaScript [duplicate]
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If using angular, you may want to consider: docs.angularjs.org/api/ng/filter/date
– Soferio
Jan 5 '15 at 2:43
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How to assign the output of a Bash command to a variable? [duplicate]
... edited Jul 5 '19 at 13:01
uzaif
3,27911 gold badge1717 silver badges3030 bronze badges
answered Feb 22 '10 at 22:27
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Return multiple columns from pandas apply()
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If the pd.Series needs an index, you need to supply it with pd.Series(data, index=...). Otherwise you get cryptic errors when you try to assign the result back into the parent dataframe.
– smci
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Getting list of parameter names inside python function [duplicate]
...f func(a,b,c):
print(locals().keys())
prints the list of parameters. If you use other local variables those will be included in this list. But you could make a copy at the beginning of your function.
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Generating file to download with Django
...ontent-Disposition'] = 'attachment; filename=myfile.zip'
return response
If you don't want the file on disk you need to use StringIO
import cStringIO as StringIO
myfile = StringIO.StringIO()
while not_finished:
# generate chunk
myfile.write(chunk)
Optionally you can set Content-Length ...
What is a memory fence?
...nly found in device drivers than application code.
The CPU reordering is different from compiler optimisations - although the artefacts can be similar. You need to take separate measures to stop the compiler reordering your instructions if that may cause undesirable behaviour (e.g. use of the volat...
YYYY-MM-DD format date in shell script
...e
# -1 -> explicit current date, bash >=4.3 defaults to current time if not provided
# -2 -> start time for shell
printf -v date '%(%Y-%m-%d)T\n' -1
# put current date as yyyy-mm-dd HH:MM:SS in $date
printf -v date '%(%Y-%m-%d %H:%M:%S)T\n' -1
# to print directly remove -v flag, as such...