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Finding local maxima/minima with Numpy in a 1D numpy array
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If you are looking for all entries in the 1d array a smaller than their neighbors, you can try
numpy.r_[True, a[1:] < a[:-1]] & numpy.r_[a[:-1] < a[1:], True]
You could also smooth your array before this step usi...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...he problems with the JavaScript-style have been fixed in Ruby 2.2. You can now use quotes if you have symbols that aren't valid labels, for example:
h = { 'where is': 'pancakes house?', '$set': { a: 11 } }
But you still need the hashrocket if your keys are not symbols.
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How to pass a URI to an intent?
...implement Parcelable, and you can implement Parcelable on your own objects if required.
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Android: How can I validate EditText input?
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you're welcome! :) now that you're validating it, could you share how are you going to inform the user of the validation failure? I'm currently looking for best methods for the same.
– Niks
May 19 '10 at 6...
Using arrays or std::vectors in C++, what's the performance gap?
...e they suggest not to use C++ arrays on new projects anymore. As far as I know Stroustroup himself suggests not to use arrays. But are there significant performance differences?
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How can I use getSystemService in a non-activity class (LocationManager)?
...om the main Activities OnCreate method onto another class to do the heavy lifting.
5 Answers
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Get a CSS value with JavaScript
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If you want to change background color of a div for example, be careful to NOT USE "backgroundColor" instead of "backgroung-color" ;)
– baptx
May 20 '12 at 17:24
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How to change language settings in R
...force US-english setting regardless of the system
setting. If you don't know what Terminal is you can use this R command
instead:
system("defaults write org.R-project.R force.LANG en_US.UTF-8")
but do not forget to quit R and start R.app again afterwards. Please
note that you must alw...
What does this symbol mean in JavaScript?
This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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How to change the docker image installation directory?
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I comment here to let people know which version could use this, after github.com/docker/docker.github.io/pull/5978 release, It change officail website.
– zhongjiajie
Mar 27 '19 at 1:17
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