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Adding up BigDecimals using Streams
...returns the value of the Optional which is returned by the reduce call. If one wants to work with the Optional or just print out the sum, then yeah, get() isn't needed. But printing the Optional directly prints Optional[<Value>] based syntax which I doubt the user would need. So get() is neede...
How to get a pixel's x,y coordinate color from an image?
...(event.offsetX, event.offsetY, 1, 1).data;
Because you are only grabbing one pixel, pixelData is a four entry array containing the pixel's R, G, B, and A values. For alpha, anything less than 255 represents some level of transparency with 0 being fully transparent.
Here is a jsFiddle example: ht...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
... default for most .NET projects is again AnyCPU, but there is more than
one meaning to AnyCPU now. There is an additional sub-type of AnyCPU,
“Any CPU 32-bit preferred”, which is the new default (overall, there
are now five options for the /platform C# compiler switch: x86,
Itanium, x64...
Does a const reference class member prolong the life of a temporary?
...t enforce the passed in temporary to have the correct scope. It means that one day you may forgot about this requirement, pass invalid temporary value and the compiler won't warn you.
– Alex Che
Jul 20 '18 at 15:46
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...ript, which is interpreted. This is basically comparing two code snippets, one written in JavaScript and other is written in C++.
– Ramazan Polat
Apr 11 '18 at 13:00
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Knight's Shortest Path on Chessboard
...(1-0)/4)= 1-1/2=1. The is no whay I can move knight from (0,0) to (1,0) in one move. Question is does this algoritm work? Or what am I doing wrong?
– SimpleApp
Dec 7 '15 at 9:46
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ES6 class variable alternatives
...g forward to make this answer obsolete in a few months.
In the meantime anyone using TypeScript or babel can use the syntax:
varName = value
Inside a class declaration/expression body and it will define a variable. Hopefully in a few months/weeks I'll be able to post an update.
Update: Chrome 74 no...
How can I change my Cygwin home folder after installation?
...nderscore).
%% A per-cent character.
In place of a path, you can specify one of four named path schemata that are predefined.
windows The user's home directory is set to the same directory which is used as Windows home directory, typically something along the lines of %USERPROFILE% or C:\Users\...
Why declare unicode by string in python?
...
Those are two different things, as others have mentioned.
When you specify # -*- coding: utf-8 -*-, you're telling Python the source file you've saved is utf-8. The default for Python 2 is ASCII (for Python 3 it's utf-8). This just affects how the interpreter reads the ch...
Confused about stdin, stdout and stderr?
... onto this file. But this is not so.. So are these files not the same (the ones in the /dev directory).
– Shouvik
Aug 2 '10 at 5:42
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