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How to convert a NumPy array to PIL image applying matplotlib colormap
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Check if a Postgres JSON array contains a string
...ch rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(info->'food') as food
d(# where food::text = '"carrots"'
d(# );
Execution time: 3084.927 ms
d=...
How to edit one specific row in Microsoft SQL Server Management Studio 2008?
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Ways to iterate over a list in Java
...hey all boil down to the same thing (or, rather, two things).
EDIT: As @iX3 points out in a comment, you can use a ListIterator to set the current element of a list as you are iterating. You would need to use List#listIterator() instead of List#iterator() to initialize the loop variable (which, obv...
Open-Source Examples of well-designed Android Applications? [closed]
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edited Feb 23 '13 at 16:51
Jesse Rusak
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How to succinctly write a formula with many variables from a data frame?
... the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also do things like this, to use all variables but one (in this case x3 is excluded):
mod <- lm(y ~ . - x3, data = d)
Technically, . means all ...
How to check SQL Server version
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230
Following are possible ways to see the version:
Method 1: Connect to the instance of SQL Serve...
Is it better to call ToList() or ToArray() in LINQ queries?
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375
Unless you simply need an array to meet other constraints you should use ToList. In the major...
How to open multiple pull requests on GitHub
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edited Oct 27 '19 at 13:17
ahmednabil88
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How to merge two arrays in JavaScript and de-duplicate items
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