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How to check if a specific key is present in a hash or not?
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answered Dec 24 '10 at 22:09
sepp2ksepp2k
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How does having a dynamic variable affect performance?
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Eric LippertEric Lippert
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Sublime 3 - Set Key map for function Goto Definition
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244
For anyone else who wants to set Eclipse style goto definition, you need to create .sublime-mou...
Why is it wrong to use std::auto_ptr with standard containers?
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124
The C++ Standard says that an STL element must be "copy-constructible" and "assignable." In oth...
What is the difference between encode/decode?
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4
.decode() on Unicode strings might be useful e.g., print u'\\u0203'.decode('unicode-escape')
– jfs
De...
How to export revision history from mercurial or git to cvs?
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answered Feb 25 '09 at 14:42
Brian PhillipsBrian Phillips
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How can I select rows with most recent timestamp for each key value?
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94
For the sake of completeness, here's another possible solution:
SELECT sensorID,timestamp,senso...
Benefits of header-only libraries
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edited Nov 28 '12 at 19:42
answered Oct 1 '12 at 10:18
Lu...
Expand Python Search Path to Other Source
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edited Aug 28 '19 at 13:41
Oleg Kokorin
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answered J...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
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143
Yes, it's subassignment in R using <- (or = or ->) that makes a copy of the whole object....