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Who is “us” and who is “them” according to Git?
...ore, "us" = HEAD, but since git did a new checkout behind-the-scenes to perform this rebase, HEAD is NOT the branch you were on when you typed git rebase master. Instead, us, or HEAD, is some merge-base commit at which point a conflict occurred, and them is the other commit, which is some commit fro...
asynchronous vs non-blocking
...ure out.
To make a good choice, you must analyze your need and test the performance of different architectures. There is no such an architecture that is suitable for various of needs.
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What's the difference between SoftReference and WeakReference in Java?
...rather than expand the heap, whereas the -server JRE tries to keep your performance high by preferring to expand the heap (if possible) rather than clear SoftReferences. One size does not fit all.
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Does Parallel.ForEach limit the number of active threads?
... when it really needs to.
Have a look at the PFX Team Blog for loads of information about how it allocates work and all kinds of other topics.
Note that in some cases you can specify the degree of parallelism you want, too.
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Why can't decimal numbers be represented exactly in binary?
... see that any rational with a terminating 10-representation will be of the form p/q exactly when q has only 2s and 5s in its prime factorisation; and that same number will have a terminating 2-representatiion exactly when q has only 2s in its prime factorisation.
But one of these cases is a subset ...
How do I get the current Date/time in DD/MM/YYYY HH:MM format?
... it's easy to change):
Time.now.strftime("%d/%m/%Y %H:%M")
#=> "14/09/2011 14:09"
Updated for the shifting:
d = DateTime.now
d.strftime("%d/%m/%Y %H:%M")
#=> "11/06/2017 18:11"
d.next_month.strftime("%d/%m/%Y %H:%M")
#=> "11/07/2017 18:11"
You need to require 'date' for this btw.
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How do I use $scope.$watch and $scope.$apply in AngularJS?
... digest loop would take ages to evaluate and you would quickly run into performance issues. That is why the AngularJS team gave us two ways of declaring some $scope variable as being watched (read below).
$watch helps to listen for $scope changes
There are two ways of declaring a $scope variable a...
What is the best way to solve an Objective-C namespace collision?
...e classes from both frameworks at the same time, and you are targeting platforms which support NSBundle unloading (OS X 10.4 or later, no GNUStep support), and performance really isn't an issue for you, I believe that you could load one framework every time you need to use a class from it, and then ...
Filter rows which contain a certain string
...35 19.90 1 1 4 1 Toyota Corolla
4 21.5 4 120.1 97 3.70 2.465 20.01 1 0 3 1 Toyota Corona
If you would like to do it the other way round, namely excluding Toyota and Mazda cars, the filter command looks like this:
dplyr::filter(mtcars, !grepl('Toyota|Mazda', type))
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How does Facebook Sharer select Images and other metadata when sharing my URL?
...e, use the Facebook Url Debugger / Linter Tool that they launched in June 2010 to refresh the cache and troubleshoot any meta tag issues on your page.
Also, the images on the page must be publicly accessible to the Facebook crawler. You should specify absolute url's like http://example.com/youri...