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Google Guice vs. PicoContainer for Dependency Injection
...ge setter injection but other than that, your classes don't need to know about Pico. It's only the wiring that needs to know (true for all DI frameworks).
Guice - Guice now supports the standard JSR 330 annotations, so you do not need Guice specific annotations in your code anymore. Spring also supp...
What is the difference between a pseudo-class and a pseudo-element in CSS?
...
The CSS 3 selector recommendation is pretty clear about both, but I'll try to show the differences anyway.
Pseudo-classes
Official description
The pseudo-class concept is introduced to permit selection based on information that lies outside of the document tree or that c...
C# switch statement limitations - why?
...stant time branch using a jump table. However, in sparse cases as pointed out by Ivan Hamilton the compiler may generate something else entirely.
This is actually quite easy to verify by writing various C# switch statements, some sparse, some dense, and looking at the resulting CIL with the ildasm...
Java 8 Streams - collect vs reduce
...lt, and it would even work in parallel.
However, we might not be happy about the performance! Such an
implementation would do a great deal of string copying, and the run
time would be O(n^2) in the number of characters. A more performant
approach would be to accumulate the results into a Str...
Adding a regression line on a ggplot
...s case x will be interpreted as x.plot and y as y.plot. More information about smoothing methods and formula you can find in help page of function stat_smooth() as it is default stat used by geom_smooth().
ggplot(data,aes(x.plot, y.plot)) +
stat_summary(fun.data=mean_cl_normal) +
geom_smooth(m...
How can I reset a react component including all transitively reachable state?
...
Just out of curiosity when you say 'component will be thrown away and created from scratch' do you mean the virtual DOM will be thrown away and created from scratch but the DOM updates will still happen based on the diff algorithm...
Using property() on classmethods
...r
3
or, using Python 3's metaclass=... syntax, and the metaclass defined outside of the foo class body, and the metaclass responsible for setting the initial value of _var:
>>> class foo_meta(type):
... def __init__(cls, *args, **kwargs):
... cls._var = 5
... @property
.....
Creating an instance of class
...ult constructor. The memory is released automatically when the object goes out of scope.
Similar to 3. Notionally, the named object foo4 is initialised by default-constructing, copying and destroying a temporary object; usually, this is elided giving the same result as 3.
Allocates a dynamic object,...
DynamoDB vs MongoDB NoSQL [closed]
I'm trying to figure it out what can I use for a future project, we plan to store from about 500k records per month in the first year and maybe more for the next years this is a vertical application so there's no need to use a database for this, that's the reason why I decided to choose a noSQL data...
Bulk insert with SQLAlchemy ORM
...commit() to actually save the records (it took me a bit to figure this one out).
– horcle_buzz
Dec 4 '15 at 1:30
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