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What is the difference between const_iterator and non-const iterator in the C++ STL?
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It does have legitimate uses, like caching the results of a long calculation within a const class. On the other hand, that's pretty much the only time I've used a mutable in nearly twenty years of C++ development.
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Pretty Printing a pandas dataframe
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Doesn't work very well when you have hierarchies in row index and columns.
– Siddharth
Jan 11 '17 at 6:20
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How do I exit the Vim editor?
...quit
:wq! to write and quit even if file has only read permission (if file does not have write permission: force write)
:x to write and quit (similar to :wq, but only write if there are changes)
:exit to write and exit (same as :x)
:qa to quit all (short for :quitall)
:cq to quit without saving and...
Git vs Team Foundation Server [closed]
...ew: are you sure that you will do successful development with that staff?
Does really every single person hate Git or are they influenced by some opinion leaders? Find the leaders and ask them what's the problem. Convince them and you'll convince the rest of the team.
If you cannot convince the le...
Possible to iterate backwards through a foreach?
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Am I missing something or does your .Net 3.5 solution not actually work? Reverse() reverses the list in place and doesn't return it. Too bad, as I was hoping for a solution like that.
– user12861
Mar 19 '12 at ...
What's the equivalent of use-commit-times for git?
... going to guarantee you that "make" gets confused in a really bad way, and does not recompile enough instead of recompiling too much.
Git does make it possible to do your "check the other branch out" thing very easily, in many different ways.
You could create some trivial script that does any of...
compareTo() vs. equals()
...pare for equality) and even somewhat dangerous (because compareTo() == 0 does not necessarily imply equality in all cases, even though I know it does for String 's) to me.
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Getting file names without extensions
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I got the error " 'builder' does not exist in the current context ". I added 'system.Text' but still got same error. What is the reason?
– ffttyy
Jan 27 '16 at 19:52
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Difference between fmt.Println() and println() in Go
.../test.go:12:12: inlining call to fmt.Printf
./test.go:6:10: new(struct {}) does not escape
./test.go:7:10: new(struct {}) does not escape
./test.go:10:10: new(struct {}) escapes to heap
./test.go:11:10: new(struct {}) escapes to heap
./test.go:12:35: c == d escapes to heap
./test.go:12:12: []interfa...
Greedy vs. Reluctant vs. Possessive Quantifiers
...character (leaving the "o" at the end of the string unmatched). That still doesn't match the f in the regex, so it backtracks one more step, making the greedy quantifier match one less character again (leaving the "oo" at the end of the string unmatched). That still doesn't match the f in the regex,...