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Increase number of axis ticks
..._continuous. For example:
library(ggplot2)
dat <- data.frame(x = rnorm(100), y = rnorm(100))
ggplot(dat, aes(x,y)) +
geom_point()
Gives you this:
And overriding the scales can give you something like this:
ggplot(dat, aes(x,y)) +
geom_point() +
scale_x_continuous(breaks = round(seq(...
scrollIntoView Scrolls just too far
...relative;">
<div id="anchor-name" style="position: absolute; top: -100px; left: 0"></div>
</div>
Now the offset is specified as -100px relative to the element. Create a function to create this anchor for code reuse, or if you are using a modern JS framework such as React do t...
Callback functions in C++
...
tranform_every_int(&a[0], 5, square_int);
// now a == {4, 16, 36, 64, 100};
2. Pointer to member function
A pointer to member function (of some class C) is a special type of (and even more complex) function pointer which requires an object of type C to operate on.
struct C
{
int y;
...
How can I remove the decimal part from JavaScript number?
...
the following shows this answer is unstable:> (2.305*100)|0 > 230 > (2.3*100)|0 > 229
– Jake
Feb 18 '16 at 8:28
...
How to sort with lambda in Python
...
lst = [('candy','30','100'), ('apple','10','200'), ('baby','20','300')]
lst.sort(key=lambda x:x[1])
print(lst)
It will print as following:
[('apple', '10', '200'), ('baby', '20', '300'), ('candy', '30', '100')]
...
drag drop files into standard html file input
...;body>
<div id="dropContainer" style="border:1px solid black;height:100px;">
Drop Here
</div>
Should update here:
<input type="file" id="fileInput" />
</body>
</html>
You'll probably want to use addEventListener or jQuery (etc.) to register your ...
Best way to reverse a string
...] args)
{
int[] lengths = new int[] {1,10,15,25,50,75,100,1000,100000};
foreach (int l in lengths)
{
int iterations = 10000;
string text = StringOfLength(l);
Benchmark(String.Format("String Builder (Length:...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...d_file :avatar, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
validates_attachment_content_type :avatar, :content_type => /\Aimage\/.*\Z/
end
Rails 4
class User < ActiveRecord::Base
has_attached_file :avatar, :sty...
How to implement history.back() in angular.js
... it to work by using:
setTimeout(function() {
$window.history.back();
},100);
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What's the best way to set a single pixel in an HTML5 canvas?
...
using getImageData()/putImageData() on the entire canvas; this is about 100× slower than other options.
creating a custom image using a data url and using drawImage() to show it:
var img = new Image;
img.src = "data:image/png;base64," + myPNGEncoder(r,g,b,a);
// Writing the PNGEncoder is left a...