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What does “Git push non-fast-forward updates were rejected” mean?
... there have been other commits pushed to the remote repository that differ from your commits. You can usually solve this with a
git pull
before you push
Ultimately, "fast-forward" means that the commits can be applied directly on top of the working tree without requiring a merge.
...
How can I use getSystemService in a non-activity class (LocationManager)?
I'm having trouble offloading tasks from the main Activities OnCreate method onto another class to do the heavy lifting.
5 ...
Time complexity of Euclid's Algorithm
...gGidney: Thanks for fixing that. Now I recognize the communication problem from many Wikipedia articles written by pure academics. Consider this: the main reason for talking about number of digits, instead of just writing O(log(min(a,b)) as I did in my comment, is to make things simpler to understa...
What's the difference between '$(this)' and 'this'?
...ind the function being called with the current element. This element comes from the jQuery object's element array. Each jQuery object constructed contains an array of elements which match the selectorjQuery API that was used to instantiate the jQuery object.
$(selector) calls the jQuery function (...
HTML “overlay” which allows clicks to fall through to elements behind it [duplicate]
...k it inside of a element on top of everything, but this prevents the user from clicking on any links/buttons/etc.
Is there a way to have its content float on top of everything (it's semi-transparent, so you can still see what is behind) and have the user interact with the layer below it?
...
Create Directory if it doesn't exist with Ruby
...
Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment):
> system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"'
=> true
But that seems (at least to me) as worse approach as you are using external 'tool' which may be u...
Using scanf() in C++ programs is faster than using cin?
...
Here's a quick test of a simple case: a program to read a list of numbers from standard input and XOR all of the numbers.
iostream version:
#include <iostream>
int main(int argc, char **argv) {
int parity = 0;
int x;
while (std::cin >> x)
parity ^= x;
std::cout <<...
MongoDB - Update objects in a document's array (nested updating)
... Nice examples. I felt like I was making this direction apparent from the links in my answer, but I kept getting resistance saying its not what he was looking for. Guess the OP just needed to see examples on how to do multiple $inc.
– jdi
May 9 '12 at...
Increase number of axis ticks
...d on Daniel Krizian's comment, you can also use the pretty_breaks function from the scales library, which is imported automatically:
ggplot(dat, aes(x,y)) + geom_point() +
scale_x_continuous(breaks = scales::pretty_breaks(n = 10)) +
scale_y_continuous(breaks = scales::pretty_breaks(n = 10))
All y...
When should we implement Serializable interface?
...
From What's this "serialization" thing all about?:
It lets you take an object or group of
objects, put them on a disk or send
them through a wire or wireless
transport mechanism, then later,
perhaps on another com...