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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
... to understand classic HTTP web traffic first.
Regular HTTP:
A client requests a webpage from a server.
The server calculates the response
The server sends the response to the client.
Ajax Polling:
A client requests a webpage from a server using regular HTTP (see HTTP above).
The client re...
asynchronous vs non-blocking
What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls (with examples please)?
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Should I use a data.frame or a matrix?
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Something not mentioned by @Michal is that not only is a matrix smaller than the equivalent data frame, using matrices can make your code far more efficient than using data frames, often considerably so. That is one reason why internally, a lot of R functions will coerce to matrices data th...
How to insert tab character when expandtab option is on in Vim
...Also, as noted by @feedbackloop, on Windows you may need to press <CTRL-Q> rather than <CTRL-V>.
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adding directory to sys.path /PYTHONPATH
... or manipulating sys.path directly. See, for example, the answers to this question.
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Open a file with Notepad in C#
... from windows.
Note to those in the comments, thankyou for your input. My quick n' dirty answer was slightly off, i've updated the answer to reflect the correct way.
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Disable file preview in VS2012
...by unckecking "Solution explorer" under Preview tab.
I find it using the "Quick launch" new feature. Simply type "preview", and a link to the setting will be suggested. Great new feature of VS
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
..., a class only gets one where clause, and it goes at the end for any & all generic type constraints.
– Andy V
Aug 22 '16 at 16:18
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Getting current directory in .NET web application
...e website.
You want HttpRuntime.AppDomainAppPath.
If you're in an HTTP request, you can also call Server.MapPath("~/Whatever").
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Should CSS always preceed Javascript?
...e recommendation to include CSS prior to JavaScript. The reasoning is generally, of this form :
14 Answers
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