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How to specify a multi-line shell variable?
...ad with a heredoc as shown below:
read -d '' sql << EOF
select c1, c2 from foo
where c1='something'
EOF
echo "$sql"
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MySQL: Order by field size/length
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edited Sep 17 '12 at 4:54
Virendra
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Multiple aggregations of the same column using pandas GroupBy.agg()
...e a pandas built-in way to apply two different aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times?
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How can I detect if this dictionary key exists in C#?
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924
You can use ContainsKey:
if (dict.ContainsKey(key)) { ... }
or TryGetValue:
dict.TryGetValu...
How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
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266
Just use Ctrl+K, Ctrl+D.
(for OS X: Cmd+K, Cmd+D)
Needs a bit of practice, but gets the job ...
Cannot pass null argument when using type hinting
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362
PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null ...
How to remove multiple indexes from a list at the same time? [duplicate]
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240
You need to do this in a loop, there is no built-in operation to remove a number of indexes at...
How to merge two files line by line in Bash
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279
You can use paste:
paste file1.txt file2.txt > fileresults.txt
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How to refer environment variable in POM.xml?
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225
Check out the Maven Properties Guide...
As Seshagiri pointed out in the comments, ${env.VARIA...
Git: How to return from 'detached HEAD' state
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edited Jan 25 '16 at 18:32
answered Aug 3 '12 at 18:20
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