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Does JSON syntax allow duplicate keys in an object?
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@BenCrowell: As far as I know, JSON is not supposed to be valid JavaScript and there are cases where it's not, see timelessrepo.com/json-isnt-a-javascript-subset. With that said, it was of course heavily inspired by JavaScript (it even says so in the ...
Most underused data visualization [closed]
...to plot 3D scatter plots using rgl.
GGobi
Another package that is worth knowing is rggobi. There is a Springer book on the subject, and lots of great documentation/examples online, including at the "Looking at Data" course.
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Why am I seeing “TypeError: string indices must be integers”?
...;>> my_string[my_tuple]
TypeError: string indices must be integers
Now, at least, the error message makes sense.
Solution
We need to replace the comma , with a colon : to separate the two integers correctly:
>>> my_string = "hello world"
>>> my_string[0:5]
'hello'
A cl...
How can I auto increment the C# assembly version via our CI platform (Hudson)?
...o some more research into how that mechanism works, thanks! You wouldn't know how it determines what to put in as values, would you?
– Allen Rice
Jul 14 '09 at 18:02
1
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Adding up BigDecimals using Streams
... map it to a Stream<BigDecimal> and then reduce it to a BigDecimal.
Now, from an OOP design point I would advice you to also actually use the total() method, which you have already defined, then it even becomes easier:
List<Invoice> invoiceList = new ArrayList<>();
//populate
Big...
How to update SQLAlchemy row entry?
... Thanks for the link, after i spent the whole day searching, i know my problem is with db.session.commit(), it doesn't persist the changes in console as it should, i found similar questions but provided answers didn't work for me, in the actual web app it's even worse! the changes doesn't...
MySQL - ORDER BY values within IN()
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Careful. Any unknown property value (not in the list) will take precedence over the known values, i.e. FIELD(letter, 'A', 'C'), the list will first return entries with B letter first (assuming a set of records with A | B | C values). To avoi...
Is it possible to override the configuration of a plugin already defined for a profile in a parent P
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Ohh, ok, I get it now. However, I'm not sure (but I may be wrong) you can override a pom partially so I don't have any better solution with the provided details.
– Pascal Thivent
Nov 23 '09 at 12:29
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How do I calculate a point on a circle’s circumference?
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I've been trying to derive this equation for an hour now. Thanks. Who know the trig identities you learned in high school would be so helpful.
– Isioma Nnodum
May 28 '14 at 22:37
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How to generate the “create table” sql statement for an existing table in postgreSQL
....generate_create_table_statement(character varying)
OWNER TO postgres;
Now you can, for example, make the following query
SELECT * FROM generate_create_table_statement('.*');
which results like this:
CREATE TABLE public.answer ( ...