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Should I return a Collection or a Stream?
... if the caller filters the stream to return only lines matching a pattern, etc.
An idiom that seems to be emerging is to name stream-returning methods after the plural of the name of the things that it represents or contains, without a get prefix. Also, while stream() is a reasonable name for a str...
How do I give text or an image a transparent background using CSS?
...if you want to do something fancier (e.g. animation, multiple backgrounds, etc.), or if you don't want to rely on CSS3, you can try the “pane technique”:
.pane, .pane > .back, .pane > .cont { display: block; }
.pane {
position: relative;
}
.pane > .back {
position: absolute;
...
What is the difference between shallow copy, deepcopy and normal assignment operation?
...
In python, when we assign objects like list, tuples, dict, etc to another object usually with a ' = ' sign, python creates copy’s by reference. That is, let’s say we have a list of list like this :
list1 = [ [ 'a' , 'b' , 'c' ] , [ 'd' , 'e' , 'f' ] ]
and we assign another li...
What is the difference between MVC and MVVM? [closed]
...l only make sense when using WPF's two way data binding. Otherwise MVC/MVP etc would be sufficient.
– Jeff
Sep 20 '10 at 23:42
268
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...hics (color conversion, computational geometry, animation easing/blending, etc.) often times normalized numbers are used. That is, numbers between 0.0 and 1.0.
It is important to know the edge cases if the endpoints are inclusive or exclusive:
(0,1) = 1e-M .. 0.999...
(0,1] = 1e-M .. 1.0
[0,1) = ...
C++11 rvalues and move semantics confusion (return statement)
...move overloads for nearly anything (hash key and values, vector insertion, etc), and is where you will see them the most.
You can also use them to normal functions, and if you only provide an rvalue reference argument you can force the caller to create the object and let the function do the move. ...
Is JavaScript guaranteed to be single-threaded?
...etInterval, HTTP-request onload events (XHR), and UI events (click, focus, etc.) provide a crude impression of multi-threadedness - they are still all executed along a single timeline - one at a time - so even if we don't know their execution order beforehand, there's no need to worry about external...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
... this day and age just sux big time (no option to tell it to use CamelCase etc.). But if you can live with namespace/classname.php structure, don't look any further.
– stamster
Sep 19 '16 at 14:32
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Generic type parameter naming convention for Java (with multiple chars)?
...he Java Collections Framework)
K - Key
N - Number
T - Type
V - Value
S,U,V etc. - 2nd, 3rd, 4th types
You'll see these names used throughout the Java SE API and the rest of this lesson.
I'd stick to it to avoid the confusion among the developers and possible maintainers.
...
HEAD and ORIG_HEAD in Git
...e to operate on --- resetting and growing the branch tip via commit/rebase/etc.).
Reflog is a vehicle to go back in time and time machines have interesting interaction with the notion of "current".
HEAD@{5.minutes.ago} could mean "dereference HEAD symref to find out what branch we are on R...