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Does Java have a using statement?
...ot implement AutoCloseable. So you'll need to be on Hibernate >= 5.0 in order to use this feature.
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How do I use .toLocaleTimeString() without displaying seconds?
... circumstances.
I just hope that there is no locale that would change the order of formatted time parts (e.g. make it ss:mm:hh). This left-to-right mark is making me a bit nervous about that though, that is why I don't remove the right-to-left mark (\u202E) - I prefer to not find a match in this ca...
Which rows are returned when using LIMIT with OFFSET in MySQL?
... LIMIT 8, 18
visual representation (R is one record in the table in some order)
OFFSET LIMIT rest of the table
__||__ _______||_______ __||__
/ \ / \ /
RRRRRRRR RRRRRRRRRRRRRRRRRR RRRR...
\________________/
||
your r...
Why are Python lambdas useful? [closed]
... is part of a very important abstraction mechanism which deals with higher order functions. To get proper understanding of its value, please watch high quality lessons from Abelson and Sussman, and read the book SICP
These are relevant issues in modern software business, and becoming ever more popu...
Paste multiple columns together
...e matrix conversion. Also, instead a for loop we could just use setdiff in order to remove unwanted columns
cols <- c('b','c','d')
data$x <- Reduce(function(...) paste(..., sep = "-"), data[cols])
data[setdiff(names(data), cols)]
# a x
# 1 1 a-d-g
# 2 2 b-e-h
# 3 3 c-f-i
Alternative...
Include all files in a folder in a single bundle
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can we order the files in the directory as done here ?
– shaijut
Jan 18 '16 at 8:12
2
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ActiveRecord: List columns in table from console
...e columns in a table I usually go with this:
Model.column_names.sort.
i.e. Orders.column_names.sort
Sorting the column names makes it easy to find what you are looking for.
For more information on each of the columns use this:
Model.columns.map{|column| [column.name, column.sql_type]}.to_h.
Thi...
How can I debug a HTTP POST in Chrome?
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How to install XNA game studio on Visual Studio 2012?
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How to read the RGB value of a given pixel in Python?
...rint(image.shape)
Smoke testing the code
You might be uncertain about the order of width / height / channel. For this reason I've created this gradient:
The image has a width of 100px and a height of 26px. It has a color gradient going from #ffaa00 (yellow) to #ffffff (white). The output is:
[[255...