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Detail change after Git pull
...ing to master. You can refer to the previous position of master by master@{1} (or even master@{10.minutes.ago}; see the specifying revisions section of the git-rev-parse man page), so that you can do things like
See all of the changes: git diff master@{1} master
See the changes to a given file: gi...
Specify custom Date format for colClasses argument in read.table/read.csv
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159
You can write your own function that accepts a string and converts it to a Date using the form...
Check if value exists in Postgres array
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Simpler with the ANY construct:
SELECT value_variable = ANY ('{1,2,3}'::int[])
The right operand of ANY (between parentheses) can either be a set (result of a subquery, for instance) or an array. There are several ways to use it:
SQLAlchemy: how to filter on PgArray column types?
IN ...
Is it possible for a unit test to assert that a method calls sys.exit()
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155
Yes. sys.exit raises SystemExit, so you can check it with assertRaises:
with self.assertRaise...
[ :Unexpected operator in shell programming [duplicate]
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answered Aug 5 '10 at 1:08
WolphWolph
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How to undo 'git reset'?
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Short answer:
git reset 'HEAD@{1}'
Long answer:
Git keeps a log of all ref updates (e.g., checkout, reset, commit, merge). You can view it by typing:
git reflog
Somewhere in this list is the commit that you lost. Let's say you just typed git reset HE...
Formatting Numbers by padding with leading zeros in SQL Server
We have an old SQL table that was used by SQL Server 2000 for close to 10 years.
13 Answers
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Compare JavaScript Array of Objects to Get Min / Max
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16 Answers
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For each row in an R dataframe
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105
You can try this, using apply() function
> d
name plate value1 value2
1 A P1 ...