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What is an unsigned char?
In C/C++, what an unsigned char is used for? How is it different from a regular char ?
17 Answers
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Python Linked List
...ail. This is very useful for dynamic algorithms that require saved values from previous iterations where sharing list tails can reduce memory complexity from quadratic to linear and eliminate time overhead due to copying.
– saolof
Jun 25 '17 at 12:08
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is there a require for json in node.js
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var someObject = require('./somefile.json')
In ES6:
import someObject from ('./somefile.json')
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How to increase the gap between text and underlining in CSS
...s that even with padding-bottom: 0, the underline tends to be too far away from the text to look good. So we still don't have complete control.
One solution that gives you pixel accuracy is to use the :after pseudo element:
a {
text-decoration: none;
position: relative;
}
a:after {
con...
Why can't I call read() twice on an open file?
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With Python3, use pathlib. from pathlib import Path; text = Path(filename).read_text() Takes care of open, close, etc.
– PaulMcG
Jun 19 '17 at 12:06
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Is it possible to change the package name of an Android app on Google Play?
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From Dianne Hackborn:
Things That Cannot Change:
The most obvious and visible of these is the “manifest package name,” the unique name you give to your application in its AndroidManifest.xml. The name uses a Java-languag...
Test if a vector contains a given element
...x is which(v == b) or any other logical operator. In this case, the return from this would be 2. If v were c("b", "b", "c", "b", "d"), the return to which(v == b) would be 1, 2, 4.
– khtad
Jun 26 at 21:33
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Get the last item in an array
... anArray.pop();
Important : This returns the last element and removes it from the array
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What are the differences between JSON and JavaScript object? [duplicate]
.../deserialize .NET objects.
So it's just a format allowing you to convert from objects to string and back which is convenient if you want to transfer them over the wire.
It is very close to javascript object representation and if you simply eval() a JSON string you will get the corresponding objec...
How do I iterate over the words of a string?
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For what it's worth, here's another way to extract tokens from an input string, relying only on standard library facilities. It's an example of the power and elegance behind the design of the STL.
#include <iostream>
#include <string>
#include <sstream>
#include &...