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Upload file to FTP using C#
...ernatives
– Pacharrin
Apr 16 '19 at 0:29
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C++ SFINAE examples?
...t(...);
public:
enum { Yes = sizeof(IsClassT<T>::test<T>(0)) == 1 };
enum { No = !Yes };
};
When IsClassT<int>::Yes is evaluated, 0 cannot be converted to int int::* because int is not a class, so it can't have a member pointer. If SFINAE didn't exist, then you would ge...
Emulate ggplot2 default color palette
...on(n) {
hues = seq(15, 375, length = n + 1)
hcl(h = hues, l = 65, c = 100)[1:n]
}
For example:
n = 4
cols = gg_color_hue(n)
dev.new(width = 4, height = 4)
plot(1:n, pch = 16, cex = 2, col = cols)
share
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How to base64 encode image in linux bash / shell
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You need to use cat to get the contents of the file named 'DSC_0251.JPG', rather than the filename itself.
test="$(cat DSC_0251.JPG | base64)"
However, base64 can read from the file itself:
test=$( base64 DSC_0251.JPG )
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Rotating a point about another point (2D)
...
twe4ked
2,6091717 silver badges2323 bronze badges
answered Feb 13 '10 at 23:18
Nils PipenbrinckNils Pipenbrinck
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How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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How to scroll to top of page with JavaScript/jQuery?
...op once it's fully loaded. This has Cross-browser support.
window.scrollTo(0,0);
history.scrollRestoration Browser support:
Chrome: supported (since 46)
Firefox: supported (since 46)
IE/Edge: not supported (Yet..)
Opera: supported (since 33)
Safari: supported
For IE/Edge if you want to re-s...
How to change checkbox's border style in CSS?
...I change checkbox (input) border's style? I've put border:1px solid #1e5180 upon it, but in FireFox 3.5, nothing happens!
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print call stack in C or C++
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80
For a linux-only solution you can use backtrace(3) that simply returns an array of void * (in fa...
What is the runtime performance cost of a Docker container?
...Docker container. I've found references to networking anecdotally being ~100µs slower .
3 Answers
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