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Git: what is a dangling commit/blob and where do they come from?

...st the ability to recover dangling blobs and commits that you may not want now but you might want in the future. Once you run garbage collection you take away some pretty powerful revert functionality from git. Use with caution and as the exception, not the rule. --- Just let git do its thing. ...
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Is it possible to have a multi-line comments in R? [duplicate]

... <- function(x) { # Non! Comment it out! We'll just do it once for now. "if (x %in% 1:9) { doTenEverythings() }" doEverythingOnce() ... return(list( everythingDone = TRUE, howOftenDone = 1 )) } The main limitation is that when you'...
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How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin

...)v).isChecked(); setSomeBoolean(checked); } }); Now you only pick up click events and don't have to worry about programmatic changes. Answer 1: I have created a wrapper class (see Decorator Pattern) which handles this problem in an encapsulated way: public class Bette...
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How do I specify local .gem files in my Gemfile?

... Super trick! here is small addition for that. How to verify that gems are now available locally: gem list -r --clear-sources -s file:/repo – Алексей Лещук Oct 9 '19 at 14:50 ...
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Django Server Error: port is already in use

... 0 0 :::3306 :::* LISTEN So now just close the port in which Django/python running already by killing the process associated with it. kill -9 PID in my case kill -9 6599 Now run your Django app. ...
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How can I link to a specific glibc version?

...time objects were used, which is bad as mentioned previously, but I don't know how to work around it, e.g. it contains: COLLECT_GCC_OPTIONS=/usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/crt1.o Setup 1: modify glibc Now let's modify glibc with: diff --git a/nptl/thrd_create.c b/nptl/...
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Min/Max of dates in an array?

... IE <9 can die, and indeed, it now accounts for only 9.3% of global browser use as of April 2013. – wprl May 23 '13 at 15:58 ...
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How to handle many-to-many relationships in a RESTful API?

...registered in league yet POST /players # from payload you get back the id, now place it officially to team 1 PUT /teams/1/players/44 As you see I don't use POST for placing players to teams but PUT, which handles your n:n relationship of players and teams better. ...
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What is Unicode, UTF-8, UTF-16?

... by only two bytes, in a region called the Basic Multilingual Plane (BMP). Now a character encoding is needed to access this character set, and as the question asks, I will concentrate on UTF-8 and UTF-16. Memory considerations So how many bytes give access to what characters in these encodings? ...
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What is the apply function in Scala?

...val f = (x:Int) => x + 1 Since everything is an object in Scala f can now be treated as a reference to Function1[Int,Int] object. For example, we can call toString method inherited from Any, that would have been impossible for a pure function, because functions don't have methods: f.toString...