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How does Trello access the user's clipboard?
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Daniel LeCheminant's code didn't work for me after converting it from CoffeeScript to JavaScript (js2coffee). It kept bombing out on the _.defer() line.
I assumed this was something to do with jQuery deferreds, so I changed it to $.Deferred() and it's working now. I tested i...
How do I URl encode something in Node.js?
... The domain gets encoded using punycode. You need a library like URI.js to convert between a URI and IRI (Internationalized Resource Identifier).
This is correct if you plan on using the string later as a query string:
> encodeURIComponent("http://examplé.org/rosé?rosé=rosé")
'http%3A%2F%2F...
How do you find the row count for all your tables in Postgres
...he outer xpath() will then extract the count information from that xml and convert it to a number
The derived table is not really necessary, but makes the xpath() a bit easier to understand - otherwise the whole query_to_xml() would need to be passed to the xpath() function.
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How to do an update + join in PostgreSQL?
...This approach lets you develop and test your select query and in two steps convert it to the update query.
So in your case the result query will be:
with t as (
select v.id as rowid, s.price_per_vehicle as calculatedvalue
from vehicles_vehicle v
join shipments_shipment s on v.shipment...
How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...cate_database exception (which is issued when database already exists) and converts it into notice with propagating errcode. String message has appended , skipping in the same way how it does CREATE SCHEMA IF NOT EXISTS.
CREATE EXTENSION IF NOT EXISTS dblink;
DO $$
BEGIN
PERFORM dblink_exec('', 'C...
UnicodeEncodeError: 'latin-1' codec can't encode character
...is why browsers got away with it, but it's annoying when you are trying to convert a sequences of bytes-as-Unicode.
– bobince
Oct 15 '10 at 15:03
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Using current time in UTC as default value in PostgreSQL
...low link and search the page for UTC. On input, a timestamp with time zone converts the incoming value to utc and stores that value WITH NO TIME ZONE OR OFFSET INFORMATION. On output, the stored utc value is converted to a local time using time zone of the client if available. This type is all abou...
What is the easiest way to ignore a JPA field during persistence?
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But then jackson will not serialize the field when converting to JSON...how to solve?
– MobileMon
Jan 20 '16 at 3:44
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How to make/get a multi size .ico file? [closed]
...changed slightly, you need to add magick in front of any commands.
magick convert icon-16.png icon-32.png icon-64.png icon-128.png icon.ico
See also http://www.imagemagick.org/Usage/thumbnails/#favicon, that has the example:
magick convert image.png -bordercolor white -border 0 \
\( -c...