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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
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I recently read a detailed article about React's diff algorithm here: http://calendar.perfplanet.com/2013/diff/. From what I understand, what makes React fast is:
Batched DOM read/write operations.
Efficient update of sub-tree only.
Compared to dirty-check, the key differences IMO are:
Mo...
How can I center an absolutely positioned element in a div?
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top: 0;
right: 0;
bottom: 0;
left: 0;
margin: auto;
}
Demo:
http://jsbin.com/rexuk/2/
It was tested in Google Chrome, Firefox, and Internet Explorer 8.
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fatal: git-write-tree: error building trees
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How to shrink the .git folder
...ng to make sure that this one
actually finds good candidates.
source: http://gcc.gnu.org/ml/gcc/2007-12/msg00165.html
Will this get rid of binary data that is orphaned in my repo? "git repack" will not git rid of images or binary data that you have checked into your repo and then deleted it. T...
What does it mean to “program to an interface”?
...ma discusses his quote, "Program to an interface, not an implementation."
http://www.artima.com/lejava/articles/designprinciples.html
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Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
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MySQL: How to copy rows, but change a few fields?
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What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
...and delete records in a batch
When to use which interface:
According to http://jtuts.com/2014/08/26/difference-between-crudrepository-and-jparepository-in-spring-data-jpa/
Generally the best idea is to use CrudRepository or PagingAndSortingRepository depending on whether you need sorting and pag...
android View not attached to window manager
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//Can't touch other View of other Activiy..
//http://stackoverflow.com/questions/23458162/dismiss-progress-dialog-in-another-activity-android
if ( (progressdialog != null) && progressdialog.isShowing()) {
//is it the same context from...
How to create a generic array in Java?
...variable, making it not much different from (E[])new Object[n]. Please see http://ideone.com/T8xF91. It is by no means more type safe than any other answer.
– Radiodef
Apr 6 '15 at 4:13
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