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What does “./bin/www” do in Express 4.x?
...plication server and port settings are written and everything others like middleware and routing is defined in ./app.js file.
...
ASP.NET: This method cannot be called during the application's pre-start initialization stage
...It automatically defines security and membership rules so you have to override them before you add custom ones. Tricky.
– Jonathan Allen
May 25 '11 at 8:46
4
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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
...; break }
}
result
}
}
In contrast, the Iterable subtract overrides this implementation and calls find on the Iterator, which simply stops iterating once the element is found:
trait Iterable {
override /*TraversableLike*/ def find(p: A => Boolean): Option[A] =
iterator.find(p)
...
Naming convention for utility classes in Java
When writing utility classes in Java, what are some good guidelines to follow?
5 Answers
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What is the difference between a pseudo-class and a pseudo-element in CSS?
...ncept is introduced to permit selection based on information that lies outside of the document tree or that cannot be expressed using the other simple selectors.
A pseudo-class always consists of a "colon" (:) followed by the name of the pseudo-class and optionally by a value between parenthese...
adding noise to a signal in python
...
# covers 95.4% of the dataset.
# Since, anomalies are considered to be rare and typically within the
# 5-10% of the data; this filtering
# technique might work
#for us(https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule)
indexes_furhter_aw...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
...port
< client > < server >
Inside the TCP stack, these four fields are used as a compound key to match up packets to connections (e.g. file descriptors).
If a client has many connections to the same port on the same destination, then three of those fields...
How can I reset a react component including all transitively reachable state?
...eact components that are conceptually stateful which I want to reset. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
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Automatically add newline at end of curl response body
...d up with this really annoying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes the wrong characters.
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How to switch a user per task or set of tasks?
...udo privileges ( sudo: yes ) because I'd like to do it for a certain user. Ideally I'd much rather use sudo to switch to that user and execute the commands normally. Because then I won't have to do my usual post commands clean up such as chowning directories. Here's a snippet from one of my playbook...