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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...
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How do I create an empty array in YAML?

... I just wanted to add that you can go into irb and type something like: "require 'yaml'; YAML::dump({ :hi => [] })" to see what the yaml should be for an object. – Mike A. Feb 24 '11 at 21:15 ...
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How can I check if string contains characters & whitespace, not just whitespace?

... of non whitespace: if (/\S/.test(myString)) { // string is not empty and not just whitespace } share | improve this answer | follow | ...
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Why doesn't .NET/C# optimize for tail-call recursion?

...ugh analysis to keep the application competitive in the long term with a standard ahead-of-time compilation. Interestingly the NGen compilation steps are not targeted to being more aggressive in their optimizations. I suspect this is because they simply don't want to have bugs where the behaviour i...
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Is it possible to cherry-pick a commit from another git repository?

...ository as a remote, then fetch its changes. From there you see the commit and you can cherry-pick it. Like that: git remote add other https://example.link/repository.git git fetch other Now you have all the information to simply do git cherry-pick. More info about working with remotes here: ht...
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How do I write a short literal in C++?

...ictly a short literal, more of a casted-int, but the behaviour is the same and I think there isn't a direct way of doing it. That's what I've been doing because I couldn't find anything about it. I would guess that the compiler would be smart enough to compile this as if it's a short literal (i....
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Python: how to print range a-z?

... Hints: import string print string.ascii_lowercase and for i in xrange(0, 10, 2): print i and "hello{0}, world!".format('z') share | improve this answer | ...
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EditText maxLines not working - user can still input more lines than set

...ds to the maximum height of the EditText, it controls the outer boundaries and not inner text lines. share | improve this answer | follow | ...
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Error: Argument is not a function, got undefined

...ve the [] from the name ([myApp]) of module angular.module('myApp', []) And add ng-app="myApp" to the html and it should work. share | improve this answer | follow ...
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Shadow Effect for a Text in Android? [duplicate]

... Perhaps you'd consider using android:shadowColor, android:shadowDx, android:shadowDy, android:shadowRadius; alternatively setShadowLayer() ? share | im...