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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...le libraries. Essentially, React knows when to re-render the scene because it is able to observe when this data changes. Dirty checking is slower than observables because you must poll the data at a regular interval and check all of the values in the data structure recursively. By comparison, settin...
Nested or Inner Class in PHP
I'm building a User Class for my new website, however this time I was thinking to build it little bit differently...
10 A...
Fastest method to escape HTML tags as HTML entities?
I'm writing a Chrome extension that involves doing a lot of the following job: sanitizing strings that might contain HTML tags, by converting < , > and & to &lt; , &gt; and &amp; , respectively.
...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...rders (orders are a list in the customer object). There can't be an order without a customer. So the customer seems to be the owner of the orders.
But in the SQL world, one item will actually contain a pointer to the other. Since there is 1 customer for N orders, each order contains a foreign key t...
How to exit in Node.js
What is the command that is used to exit? (i.e terminate the Node.js process)
19 Answers
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Difference between maven scope compile and provided for JAR packaging
...e maven scope compile and provided when artifact is built as a JAR? If it was WAR, I'd understand - the artifact would be included or not in WEB-INF/lib. But in case of a JAR it doesn't matter - dependencies aren't included. They have to be on classpath when their scope is compile or provided...
F12 no longer works in Visual Studio
... Studio keybindings got mixed up and I had problems sorting them out.
If it is only one or two bindings you care about then you can change them by going to the
Tools->Customize->Keyboard menu option.
share
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How to get object length [duplicate]
...therwise (notably in IE < 9), you can loop through the object yourself with a for (x in y) loop:
var count = 0;
var i;
for (i in a) {
if (a.hasOwnProperty(i)) {
count++;
}
}
The hasOwnProperty is there to make sure that you're only counting properties from the object literal, ...
Change bundle identifier in Xcode when submitting my first app in IOS
I'm trying to submit my first app in iOS . I have entered iOS Provisioning Portal and I am about to create an app ID.
1...
How do I update a GitHub forked repository?
...
In your local clone of your forked repository, you can add the original GitHub repository as a "remote". ("Remotes" are like nicknames for the URLs of repositories - origin is one, for example.) Then you can fetch all the branches from that upstream repository, a...