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In which order should floats be added to get the most precise result?
...lue to the total that best matches its magnitude, and when a running total starts to get too big for its magnitude, add it into the next total up and start a new one. Taken to its logical extreme, this process is equivalent to performing the sum in an arbitrary-precision type (so you'd do that). But...
Using sed to mass rename files
...ile/#F0000/F000}"
# ${file/#F0000/F000} means replace the pattern that starts at beginning of string
done
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BeanFactory vs ApplicationContext
...n file,and manages the life cycle of the spring bean as and WHEN CONTAINER STARTS.It won't wait until getBean("springbeanref") is called.
BeanFactory
It loads spring beans configured in spring configuration file,manages the life cycle of the spring bean when we call the getBean("springbeanref").So...
How can I generate a list or array of sequential integers in Java?
..., or perhaps an Integer[] or int[] , with sequential values from some start value to an end value?
8 Answers
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...ip-xxx-xxx-xxx-xxx:0cf585f5e93e1850eee1ae4613a08e45-70328697677500:default:started"
3) "sidekiq_staging:worker:ip-xxx-xxx-xxx-xxx:7635c39a29d7b255b564970bea51c026-69853672320140:default:started"
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The solution was:
irb(main):003:0> Sidekiq.redis { |r| r.del "workers", 0, -1 }
=> ...
Peak detection in a 2D array
... rough and ready approach, "the dumbest thing that could possibly work":
Start with five toe coordinates in roughly the place you expect.
With each one, iteratively climb to the top of the hill. i.e. given current position, move to maximum neighbouring pixel, if its value is greater than current p...
Getting the class name of an instance?
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@EduardLuca Double underscores at the start only are similar to a single underscore at the start, but even more "private" (look up "python name mangling"). Double underscores at beginning and end are different - those are reserved for python and are not private (...
Creating a copy of a database in PostgreSQL [closed]
...atabase in this fashion does not lock originaldb. PostgreSQL only prevents starting the copy if there are others accessing originaldb--not after the copy starts, so it is possible that another connection could modify the database while the "copy" is occurring. IMHO, this may be the easiest answer, b...
Jquery UI tooltip does not support html content
Today, I upgraded all of my jQuery plugs-in with jQuery 1.9.1. And I started to use jQueryUI tooltip with jquery.ui.1.10.2. Everything was good. But when I used HTML tags in the content (in the title attribute of the element I was applying the tooltip to), I noticed that HTML is not supported.
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Import CSV to mysql table
...x:
The IGNORE number LINES option can be used to ignore lines at the
start of the file. For example, you can use IGNORE 1 LINES to skip
over an initial header line containing column names:
LOAD DATA INFILE '/tmp/test.txt' INTO TABLE test IGNORE 1 LINES;
Therefore, you can use the followi...