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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
... @GabrielBurkholder there is also an opposite view: awk is standardised by POSIX but grep's options -o and -P are not! Your example will work fine with GNU grep (but GNU still says that the PCRE implementation is experimental) but it will probably not work with other implementations.
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Extending an Object in Javascript
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As stated by Felix, 'Robot.prototype = Person.prototype;' is a bad idea if anyone desires the 'Robot' type to have its own prototype instance. Adding new Robot specific functions would also add it to person.
– Ja...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
I am trying to do authorization using JavaScript by connecting to the RESTful API built-in Flask . However, when I make the request, I get the following error:
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Session timeout in ASP.NET
...thentication?
Forms authentication uses it own value for timeout (30 min. by default). A forms authentication timeout will send the user to the login page with the session still active. This may look like the behavior your app gives when session times out making it easy to confuse one with the othe...
pdftk compression option
...ed solutions for me. A few large images went down from 23MB to 1.4MB with by far the least quality loss.
– AerandiR
Feb 26 '13 at 5:19
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Beginner's guide to ElasticSearch [closed]
...of my articles were transferred over to the Elastic blog, and can be found by filtering on my name: https://www.elastic.co/blog/author/zachary-tong
To be perfectly honest, the best source of beginner knowledge is now Elasticsearch - The Definitive Guide written by myself and Clinton Gormley.
It...
How does Google calculate my location on a desktop?
... database, so they can be reused later.
As you see, the system builds up by itself. The only thing you need is good seeding. After that, it extends in "50 meters chunks" (the range of a newly found wifi connection).
Of course, if you really want the system go banana, you can start exchanging wifi...
Abstraction VS Information Hiding VS Encapsulation
...is question with several citations that he had found, namely in an article by Edward V. Berard titled, "Abstraction, Encapsulation, and Information Hiding". I am re-posting a slightly expanded and reformatted version of the OP's update, since it should be an answer in its own right.
(All citations a...
How to handle exceptions in a list comprehensions?
...catch(lambda : 1/egg) for egg in eggs]
[1, 0, ('integer division or modulo by zero'), 0, 0]
You can of course make the default handle function whatever you want (say you'd rather return 'None' by default).
Hope this helps you or any future viewers of this question!
Note: in python 3, I would mak...
How to get Git to clone into current directory
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agreed, note that on a mac, a .DS_Store file auto created by finder will block the clone. check with ls -la
– ptim
Nov 1 '13 at 6:08
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