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Difference between final and effectively final
...eferenced from a lambda expression must be final or effectively final . I know that when I use variables inside anonymous class they must be final in outer class, but still - what is the difference between final and effectively final ?
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Can dplyr package be used for conditional mutating?
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dplyr now has a function case_when that offers a vectorised if. The syntax is a little strange compared to mosaic:::derivedFactor as you cannot access variables in the standard dplyr way, and need to declare the mode of NA, but it ...
Is there any “font smoothing” in Google Chrome?
...n (unproven) solution that recommends using only TTF/OTF fonts as they are now supported by nearly all browsers.
3.) The Google Chrome developer team works on that issue. As there have been several huge changes in the rendering engine there's obviously something in progress.
I've written a large b...
MySQL ON vs USING?
...Id,city,hasAirport) values (6,"Monaco",false);
-- Gah. Left outer join is now effectively an inner join
-- because of the where predicate
select *
from country left join city using (countryId)
where hasAirport
;
-- Hooray! I can see Monaco again thanks to
-- moving my predicate into the ON
sele...
How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at
...is the real deal. This is the power. This is the way. I went with this and now I'm happy.
– user1576978
Aug 30 '15 at 2:07
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What is the difference between `sorted(list)` vs `list.sort()`?
...ontent is still the same.
nums
[-3, 1, 4, 5, 7, 8, 9, 14]
nums.sort()
Now the original nums list is changed and looking at nums we see our original list has changed and is now sorted.
nums
[-3, 1, 2, 4, 5, 7, 8, 14]
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Generating Random Passwords
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Didn't know that the Framework has such a method! Awesome! Will swap out my current code for this!
– FryHard
Sep 11 '08 at 4:19
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Why is SELECT * considered harmful?
...tables, both of which contain a column called "ID". How would a consumer know which was which? SELECT * can also confuse views (at least in some versions SQL Server) when underlying table structures change -- the view is not rebuilt, and the data which comes back can be nonsense. And the worst pa...
What is the HEAD in git?
...want to commit if you're not on a branch (detached HEAD state) unless you know what you're doing (e.g. are in an interactive rebase).
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Advantage of creating a generic repository vs. specific repository for each object?
We are developing an ASP.NET MVC application, and are now building the repository/service classes. I'm wondering if there are any major advantages to creating a generic IRepository interface that all repositories implement, vs. each Repository having its own unique interface and set of methods.
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