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Useless use of cat?
...single greps you learn the placement of the file argument and it is ready knowledge that the first is the pattern and the later ones are file names.
It was a conscious choice to use cat when I answered the question, partly because of a reason of "good taste" (in the words of Linus Torvalds) but chi...
What is the >>>= operator in C?
...0.
The value of 0xF is way bigger than zero, so it passes. The expression now becomes:
a[ 0 :>>>=a<:!!0X.1P1 ]
Next, :> is a digraph. It is a construct that expands to ]:
a[0 ]>>=a<:!!0X.1P1 ]
>>= is the signed right shift operator, we can space that out from a t...
What is the Haskell response to Node.js?
... presentation layer and your backend? Do we really aim having programmers knowing just one language?
– gawi
Jun 22 '11 at 16:25
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libxml install error using pip
...python-dev
For Debian based systems, it should be enough to install the known build dependencies of python-lxml or python3-lxml, e.g.
sudo apt-get build-dep python3-lxml
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Framework vs. Toolkit vs. Library [duplicate]
...e other hand is a collection of functionality that you can call.
I don't know if the term toolkit is really well defined. Just the word "kit" seems to suggest some kind of modularity, i.e. a set of independent libraries that you can pick and choose from. What, then, makes a toolkit different from j...
What is the most ridiculous pessimization you've seen? [closed]
We all know that premature optimization is the root of all evil because it leads to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc...
CSS triangle custom border color
...
I know you accept that but check this one also with less css:
.container {
margin-left: 15px;
width: 200px;
background: #FFFFFF;
border: 1px solid #CAD5E0;
padding: 4px;
position: relative;
min-heigh...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...d to be called the normalization stage of query processing
This stage is now called binding or algebrizing and it takes the expression parse tree output from the previous parse stage and outputs an algebrized expression tree (query processor tree) to go forward to optimization (trivial plan optimi...
GridLayout and Row/Column Span Woe
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Starting from API 21, the GridLayout now supports the weight like LinearLayout. For details please see the link below:
https://stackoverflow.com/a/31089200/1296944
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Default constructor vs. inline field initialization
... ...
}
}
Study case 2
We will modify the original Car class.
Now,Car declare 5 fields and 3 constructors that have no relation between them.
1.Using constructor to value fields with default values is undesirable
public class Car {
private String name;
private String origin; ...