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How does Go update third-party packages?
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This literal interpretation does not work. Some more context would be helpful.
– muad
Sep 8 '19 at 23:56
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How do DATETIME values work in SQLite?
...ve date/time of the creation record. The SQLite docs say, however, "SQLite does not have a storage class set aside for storing dates and/or times" and it's "capable of storing dates and times as TEXT, REAL, or INTEGER values".
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How to get whole and decimal part of a number?
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How does floor account for negatives?
– LanceH
Jul 8 '11 at 15:08
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Animated GIF in IE stopping
Does anyone know a work around to make animated GIF's continue to be animated after you click a link or submit a form on the page your on in IE? This works fine in other browsers.
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How does Python manage int and long?
Does anybody know how Python manage internally int and long types?
9 Answers
9
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Check if a given key already exists in a dictionary and increment it
..., which takes two parameters - the key you want, and a default value if it doesn't exist. I prefer this method to defaultdict as you only want to handle the case where the key doesn't exist in this one line of code, not everywhere.
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Why does C++ not allow inherited friendship?
...k of something along the lines of virtual friend class Foo; puzzles me. Does anyone know the historical background behind this decision? Was friendship really just a limited hack that has since found its way into a few obscure respectable uses?
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What does “export” do in shell programming? [duplicate]
As far as I can tell, variable assignment is the same whether it is or is not preceded by "export". What's it for?
3 Answer...
data.table vs dplyr: can one do something well the other can't or does poorly?
...= shallow(DT) ## shallow copy DT
DT[, newcol := 1L] ## does not affect the original DT
DT[x > 2L, newcol := 2L] ## no need to copy (internally), as this column exists only in shallow copied DT
DT[x > 2L, x := 3L] ## have to copy (like base R / dplyr does alw...
Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
...the beginning of the second path; maybe write your own Combine method that does that and then calls Path.Combine().
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