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Find most frequent value in SQL column
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what if more than one value appear same no of times (which is max)? In this case, if three also appeared twice? LIMIT 1 will show only one record
– mustafa1993
Jan 17 '16 at 18:44
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Find merge commit which include a specific commit
...iz/faq/command-to-display-lines-common-in-files/ , which took it from "someone at comp.unix.shell news group").
See process substitution if you want to make it a one-liner.
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How can I list all commits that changed a specific file?
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Whats the difference between that one and just git log filename?
– VaTo
Jun 17 '15 at 17:45
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PHP best way to MD5 multi-dimensional array?
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(Copy-n-paste-able function at the bottom)
As mentioned prior, the following will work.
md5(serialize($array));
However, it's worth noting that (ironically) json_encode performs noticeably faster:
md5(json_encode($array));
In fact, the speed increase is two-fold here as...
Should I declare Jackson's ObjectMapper as a static field?
...impleDateFormat is not thread safe, thus ObjectMapper won't be unless it clones e.g. SerializationConfig before each writeValue() (I doubt). Could you debunk my fear?
– dma_k
Aug 2 '13 at 12:09
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How exactly does the python any() function work?
...hich is a list of some items. If it contained [0, False, '', 0.0, [], {}, None] (which all have boolean values of False) then any(lst) would be False. If lst also contained any of the following [-1, True, "X", 0.00001] (all of which evaluate to True) then any(lst) would be True.
In the code you pos...
Where to place JavaScript in an HTML file?
...cripts at the bottom of your page because of the way browsers download components.
Of course Levi's comment "just before you need it and no sooner" is really the correct answer, i.e. "it depends".
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Flags to enable thorough and verbose g++ warnings
...se positives to be used in a real build. I commented as to why each of the ones I excluded were excluded. This is my final set of suggested warnings:
-pedantic -Wall -Wextra -Wcast-align -Wcast-qual -Wctor-dtor-privacy -Wdisabled-optimization -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declaratio...
iOS / Android cross platform development [closed]
... cross-platform framework. There are a ton of companies in this space. New ones seem to spring up every week. Good news for you: you have a lot of choices.
These frameworks take different approaches, and many of them are fundamentally designed to solve different problems. Some are focused on games, ...
memcpy() vs memmove()
...nner. Simplistically, it just loops over the data (in order), copying from one location to the other. This can result in the source being overwritten while it's being read.
Memmove does more work to ensure it handles the overlap correctly.
EDIT:
(Unfortunately, I can't find decent examples, but t...