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Can I update a component's props in React.js?
...s own props even if possible is an anti-pattern), but can update its state and the props of its children.
For instance, a Dashboard has a speed field in its state, and passes it to a Gauge child thats displays this speed. Its render method is just return <Gauge speed={this.state.speed} />. Wh...
Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFa
I am totally new to Spring and started to do the official guides from this site:
https://spring.io/guides
27 Answers
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CSS div element - how to show horizontal scroll bars only?
I have a div container and have defined its style as follows:
10 Answers
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Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
...simply type python -m SimpleHTTPServer in the root directory of your site, and find it hosted at localhost:8000.
– Thomas
Sep 4 '11 at 17:00
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How do I know the current width of system scrollbar?
...m.Windows.Forms.SystemInformation class members: HorizontalScrollBarHeight and VerticalScrollBarWidth.
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express.js - single routing handler for multiple routes in a single line
...rrays for paths is deprecated but it is explicitly described in Express 4, and it works in Express 3.x. Here's an example of something to try:
app.get(
['/test', '/alternative', '/barcus*', '/farcus/:farcus/', '/hoop(|la|lapoo|lul)/poo'],
function ( request, response ) {
}
);
From in...
Get DateTime.Now with milliseconds precision
...esolution of around 10-15 ms. See Eric Lippert's blog post about precision and accuracy for more details.
If you need more accurate timing than this, you may want to look into using an NTP client.
However, it's not clear that you really need millisecond accuracy here. If you don't care about the e...
How do I turn off “Automatically Switch to Debug Perspective” mode in eclipse?
Is there a way to turn off this mode? I must have clicked it by accident, and now it's getting really annoying.
4 Answer...
Exclude .svn directories from grep [duplicate]
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If you use ack (a 'better grep') it will handle this automatically (and do a lot of other clever things too!). It's well worth checking out.
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What is cardinality in MySQL?
...ow.
Cardinality is a property which affects the ability to cluster, sort and search data. It is therefore an important measurement for the query planners in DBs, it is a heuristic which they can use to choose the best plans.
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