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map vs. hash_map in C++
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An unordered_map should give slightly better performance for accessing known elements of the collection, but a map will have additional useful characteristics (e.g. it is stored in sorted order, which allows traversal from start to finish). unordered_map will be faster on insert and delete than ...
Laravel Redirect Back with() Message
...('msg')// an extra 's' on end
Should be:
Session::get('msg')
I think, now it should work, it does for me.
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Is there a way to list pip dependencies/requirements?
...idiculously, --download has been deprecated as well. The canonical command now appears to be pip download <package> -d /tmp --no-binary :all: as suggested by The Card Cheat.
– Cecil Curry
Aug 9 '16 at 5:03
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Is there a cross-domain iframe height auto-resizer that works?
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These links are now dead (404) and the content isn't summarized in the answer. :(
– StockB
Dec 5 '19 at 17:10
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No appenders could be found for logger(log4j)?
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Warning messages are not appearing now but still the logs are not written at desired location
– Arpan Saini
Mar 3 '17 at 9:06
add a com...
Why should casting be avoided? [closed]
...e cast does nothing more than tell the compiler (in essence): "shut up, I know what I'm doing" -- i.e., it ensures that even when you do a conversion that could cause problems, the compiler won't warn you about those potential problems. Just for example, char a=(char)123456;. The exact result of thi...
How to build jars from IntelliJ properly?
...t answers and none of it worked. And its the same story every single time. Now I reserve a week to just output it as a jar as everyone in our company thinks its a genuine effort that needs to be go in producing an output jar.
– Awesome
Jan 15 '18 at 9:02
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How dangerous is it to access an array out of bounds?
...unds (in C)? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program sometimes crashes, but sometimes just runs, only givi...
How can I use pointers in Java?
I know Java doesn't have pointers, but I heard that Java programs can be created with pointers and that this can be done by the few who are experts in java. Is it true?
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Redis: Show database size/size for keys
...acticable for debugging to me, not too mention that the dump is a few gigs now!
– Bernhard Vallant
Oct 3 '11 at 23:47
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