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Number.sign() in javascript
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Ricardo Rocha
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answered Jan 31 '12 at 12:32
kbeckbec
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Simple proof that GUID is not unique [closed]
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30 Answers
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A simple command line to download a remote maven2 artifact to the local repository?
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3 Answers
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How to convert a NumPy array to PIL image applying matplotlib colormap
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3 Answers
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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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3 Answers
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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 ...
Is it better to call ToList() or ToArray() in LINQ queries?
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Unless you simply need an array to meet other constraints you should use ToList. In the major...