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What is JSON and why would I use it?
...Thanks mson)
Using JSON with Yahoo! Web Services (Thanks gljivar)
JSON to CSV Converter
Alternative JSON to CSV Converter
JSON Lint (JSON validator)
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php Replacing multiple spaces with a single space [duplicate]
...t/manual/en/function.mb-ereg-replace.php
– Juha Palomäki
Oct 3 '16 at 13:03
1
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Negative matching using grep (match lines that do not contain foo)
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@OlleHärstedt, I think I misunderstood your scenario in my previous comment, the following may be what you're looking for grep "" /dev/null * | grep foo | grep -v bar | cut -d: -f1 | sort -u (why the first grep?, there's always a ...
UILabel Align Text to center
... Apr 30 '18 at 11:58
Linus Unnebäck
14k99 gold badges5959 silver badges7575 bronze badges
answered Jul 12 '12 at 8:20
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...omial (x-a1)...(x-ak) the coefficients will be exactly c1, ..., ck - see Viète's formulas. Since every polynomial factors uniquely (ring of polynomials is an Euclidean domain), this means ai are uniquely determined, up to permutation.
This ends a proof that remembering powers is enough to recover ...
Python Pandas merge only certain columns
...umns,
and only t1_a, id, t2_a are required in the final table, then
mergedCSV = table_1[['t1_a','id']].merge(table_2[['t2_a','id']], on = 'id',how = 'left')
# save resulting output file
mergedCSV.to_csv('output.csv',index = False)
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What does 'wb' mean in this code, using Python?
...n writing text files (whether using plain text or a text-based format like CSV), while binary mode must be used when writing non-text files like images.
References:
https://docs.python.org/3/tutorial/inputoutput.html#reading-and-writing-files
https://docs.python.org/3/library/functions.html#open
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What exactly is Apache Camel?
... (add metadata) and IF condition X, then send it to Receiver D too, but as CSV.
So now you need:
translate between protocols
glue components together
define routes - what goes where
filter some things in some cases
Camel gives you the above (and more) out of the box:
with a cool DSL langua...
SQLAlchemy: What's the difference between flush() and commit()?
...ed Jan 6 '18 at 8:55
Ilja Everilä
36.5k55 gold badges7272 silver badges8686 bronze badges
answered Nov 17 '10 at 6:25
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Regular expression for letters, numbers and - _
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Thanks, This works fine for me : ^[\w\d_.-]+\.(csv|CSV)$
– Dharam Mali
Jun 21 '18 at 10:22
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