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Choose between ExecutorService's submit and ExecutorService's execute
...ding it NOT really required. Just that future object has to be consumed in order to know whether the task was success or not. thus, use submit() if you are planning to consume Future<t> otherwise simply use execute()
– prash
Dec 16 '16 at 13:58
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Determine the number of lines within a text file
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FYI: In order to do the ReadLines().Count() you will need to add a using System.Linq to your includes. It seemed fairly non-intuitive to require that addition, so that's why I mention it. If your are using Visual Studio it's likely t...
Paste multiple columns together
...e matrix conversion. Also, instead a for loop we could just use setdiff in order to remove unwanted columns
cols <- c('b','c','d')
data$x <- Reduce(function(...) paste(..., sep = "-"), data[cols])
data[setdiff(names(data), cols)]
# a x
# 1 1 a-d-g
# 2 2 b-e-h
# 3 3 c-f-i
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Java, How do I get current index/key in “for each” loop [duplicate]
...foreach was meant to hide the iterator. You must do the normal For loop in order to get the current iteration.
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How do I use .toLocaleTimeString() without displaying seconds?
... circumstances.
I just hope that there is no locale that would change the order of formatted time parts (e.g. make it ss:mm:hh). This left-to-right mark is making me a bit nervous about that though, that is why I don't remove the right-to-left mark (\u202E) - I prefer to not find a match in this ca...
What does “async: false” do in jQuery.ajax()?
...fulfilled. It's useful for performing some sequence of requests in a known order, though I find async callbacks to be cleaner.
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How to make a display in a horizontal row
... Floating them right will have an extra affect: it will swap the order of them so from left to right they will be last to first.
– Matthew James Taylor
May 25 '09 at 5:17
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Include all files in a folder in a single bundle
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can we order the files in the directory as done here ?
– shaijut
Jan 18 '16 at 8:12
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Why are Python lambdas useful? [closed]
... is part of a very important abstraction mechanism which deals with higher order functions. To get proper understanding of its value, please watch high quality lessons from Abelson and Sussman, and read the book SICP
These are relevant issues in modern software business, and becoming ever more popu...
Scala downwards or decreasing for loop?
In Scala, you often use an iterator to do a for loop in an increasing order like:
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