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Shell equality operators (=, ==, -eq)
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197
It's the other way around: = and == are for string comparisons, -eq is for numeric ones. -eq i...
Creating Multifield Indexes in Mongoose / MongoDB
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194
You call the index method on your Schema object to do that as shown here. For your case it wo...
Custom Python list sorting
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edited Feb 5 '15 at 17:33
Charlie
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answered Aug 7 '...
How do I replace NA values with zeros in an R dataframe?
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21 Answers
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Extracting the last n characters from a ruby string
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101
Here you have a one liner, you can put a number greater than the size of the string:
"123".sp...
What is the >>>= operator in C?
... compiles and runs. What is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???"
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CocoaPods - use specific pod version
...a macOS app. I have compilation errors with AFNetworking (current version, 1.2.1) and saw that these didn't exist in the previous version (1.2.0).
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How can I convert immutable.Map to mutable.Map in Scala?
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128
The cleanest way would be to use the mutable.Map varargs factory. Unlike the ++ approach, thi...
how to mysqldump remote db from local machine
...t at serverfault yet, and the answer is quite simple:
Change:
ssh -f -L3310:remote.server:3306 user@remote.server -N
To:
ssh -f -L3310:localhost:3306 user@remote.server -N
And change:
mysqldump -P 3310 -h localhost -u mysql_user -p database_name table_name
To:
mysqldump -P 3310 -h 127.0....