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Copy a table from one database to another in Postgres
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19 Answers
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How to iterate object in JavaScript? [duplicate]
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143
You can do it with the below code. You first get the data array using dictionary.data and assi...
How to extract the substring between two markers?
Let's say I have a string 'gfgfdAAA1234ZZZuijjk' and I want to extract just the '1234' part.
18 Answers
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How to set the style -webkit-transform dynamically using JavaScript?
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201
The JavaScript style names are WebkitTransformOrigin and WebkitTransform
element.style.webkitTr...
How to extract text from a string using sed?
...ing line), use a substitution.
sed -n 's/.*\([0-9][0-9]*G[0-9][0-9]*\).*/\1/p'
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How to write multiple line string using Bash with variables?
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kernel="2.6.39"
distro="xyz"
cat >/etc/myconfig.conf <<EOL
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
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EOL
cat /etc/myconfig.conf
This construction is referred to as a Here Document and can be found in the Bash man pages under man --pager='less -p "\s*Here Documents"'...
SQL Server : Columns to Rows
...from yourtable
unpivot
(
indicatorvalue
for indicatorname in (Indicator1, Indicator2, Indicator3)
) unpiv;
Note, the datatypes of the columns you are unpivoting must be the same so you might have to convert the datatypes prior to applying the unpivot.
You could also use CROSS APPLY with UNIO...
How can I add new keys to a dictionary?
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16 Answers
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Looping over a list in Python
...n mylist[:] and your len(x) should be equal to 3.
>>> mylist = [[1,2,3],[4,5,6,7],[8,9,10]]
>>> for x in mylist:
... if len(x)==3:
... print x
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[1, 2, 3]
[8, 9, 10]
or if you need more pythonic use list-comprehensions
>>> [x for x in mylist if len(x)==3...