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When increasing the size of VARCHAR column on a large table could there be any problems?
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How can I list (ls) the 5 last modified files in a directory?
...tput of ls in multiple columns, but the output of ls is piped to following command with 1 file/dir at a time
– Alex
Mar 28 '13 at 20:22
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EJB's - when to use Remote and/or local interfaces?
...s that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and Local interfaces come in? Are you supposed to use Remote interfaces if you expect your application to have different components on different servers? And use Local in...
Strange \n in base64 encoded string in Ruby
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Apparently this exists to maintain backwards compat with software that cannot handle long lines. stackoverflow.com/a/20065991/5749914
– Warlike Chimpanzee
Aug 21 '17 at 23:57
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Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
... format would be like so:
Yes ?id=1,2,3
No ?id=1&id=2&id=3
The complete list of JPA repository keywords can be found in the current documentation listing. It shows that IsIn is equivalent – if you prefer the verb for readability – and that JPA also supports NotIn and IsNotIn.
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How to add \newpage in Rmarkdown in a smart way?
I wonder if one could simply use LaTeX \newpage command in R markdown v2 in a different way than this:
3 Answers
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How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?
... Android Studio "Redo" action shortcut is CTRL + Shift + Z and this is a common problem for Windows users.
2 Answers
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When and why would you seal a class?
...he inheritance to the places where it really made full sense, because it becomes expensive performance-wise if left untreated. The sealed keyword tells the CLR that there is no class further down to look for methods, and that speeds things up.
In most performance-enhancing tools on the market nowa...
Await on a completed task same as task.Result?
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There are already some good answers/comments here, but just to chime in...
There are two reasons why I prefer await over Result (or Wait). The first is that the error handling is different; await does not wrap the exception in an AggregateException. Ideally, a...
Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
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