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Default constructor vs. inline field initialization
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davindavin
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add a comm...
C++ unordered_map using a custom class type as the key
... // http://stackoverflow.com/a/1646913/126995
size_t res = 17;
res = res * 31 + hash<string>()( k.first );
res = res * 31 + hash<string>()( k.second );
res = res * 31 + hash<int>()( k.third );
return res;
}
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Simultaneously merge multiple data.frames in a list
... = 4:6, stringsAsFactors=FALSE)
z <- data.frame(i = c("c","d","a"), l = 7:9, stringsAsFactors=FALSE)
Update June 2018: I divided the answer in three sections representing three different ways to perform the merge. You probably want to use the purrr way if you are already using the tidyverse pac...
What is the maximum length of latitude and longitude? [closed]
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7 Answers
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Exporting functions from a DLL with dllexport
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joshperryjoshperry
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what exactly is device pixel ratio?
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167
Short answer
The device pixel ratio is the ratio between physical pixels and logical pixels. Fo...
How do I put a bunch of uncommitted changes aside while working on something else
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answered Jul 17 '12 at 9:57
Adam HouldsworthAdam Houldsworth
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Set font-weight using Bootstrap classes
...order to emphasize them when necessary. Tested in Windows x64 in Chrome ver76 and IE11.
– timmi4sa
Sep 8 '19 at 19:36
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How do I install Python packages on Windows?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Mar 25 '13 at 23:34
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generate days from date range
... union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9) as a
cross join (select 0 as a union all select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select...