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Grasping the Node JS alternative to multithreading

If I understand correctly Node JS is non blocking...so instead of waiting for a response from a database or other process it moved on to something else and checks back later. ...
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(![]+[])[+[]]… Explain why this works

...he expression—between parentheses—is composed by ![]+[], the first operand of the Addition operator is ![] and it will produce false, because an array object—as any other Object instance—is truthy, and applying the Logical (!) NOT unary operator, it produces the value false, for example. ![...
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Overlaying histograms with ggplot2 in R

I am new to R and am trying to plot 3 histograms onto the same graph. Everything worked fine, but my problem is that you don't see where 2 histograms overlap - they look rather cut off. ...
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What does template mean?

...the Factorial<0> template would have static constexpr int value = 1, and template <int N> struct Factorial can have static constexpr int value = N * Factorial<N - 1>::value; – bobobobo Aug 7 '17 at 22:08 ...
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Good way of getting the user's location in Android

Getting the user's current location within a threshold ASAP and at the same time conserve battery. 10 Answers ...
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python pandas: apply a function with arguments to a series

I want to apply a function with arguments to a series in python pandas: 4 Answers 4 ...
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Sample settings.xml for maven

... implied. See the License for the specific language governing permissions and limitations under the License. --> Main docs and top: <!-- | This is the configuration file for Maven. It can be specified at two levels: | | 1. User Level. This settings.xml file provides configuration for a s...
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How to add http:// if it doesn't exist in the URL?

...//" . $url; } return $url; } Recognizes ftp://, ftps://, http:// and https:// in a case insensitive way. share | improve this answer | follow | ...
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Error-Handling in Swift-Language

... thing I noticed is that there are no exceptions. So how do they do error handling in Swift? Has anyone found anything related to error-handling? ...
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Differences between git remote update and fetch?

...etch Documentation/RelNotes/* | less Then I did a less search for --all, and this is what I found under the release notes for Git version 1.6.6: git fetch learned --all and --multiple options, to run fetch from many repositories, and --prune option to remove remote tracking branches that went ...