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Grep not as a regular expression
... variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 Answers
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How to loop backwards in python? [duplicate]
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range() and xrange() take a third parameter that specifies a step. So you can do the following.
range(10, 0, -1)
Which gives
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
But for iteration, you should really be using xrange instead. So,
xr...
How to get a specific output iterating a hash in Ruby?
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Regarding order I should add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it will be iterated in the order of the literal.
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Retrieve CPU usage and memory usage of a single process on Linux?
I want to get the CPU and memory usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
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How to remove stop words using nltk or python
... this converts the sentence to a SET which removes all the duplicate words and therefore you will not be able to use frequency counting on the result
– David Dehghan
Feb 21 '17 at 23:59
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How to get the response of XMLHttpRequest?
...like to know how to use XMLHttpRequest to load the content of a remote URL and have the HTML of the accessed site stored in a JS variable.
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What's the $unwind operator in MongoDB?
...om your mind. The way that it stores your data is in the form of documents and collections, which allows for a dynamic means of adding and obtaining the data from your storage locations.
That being said, in order to understand the concept behind the $unwind parameter, you first must understand what...
Remove non-utf8 characters from string
...END;
preg_replace($regex, '$1', $text);
It searches for UTF-8 sequences, and captures those into group 1. It also matches single bytes that could not be identified as part of a UTF-8 sequence, but does not capture those. Replacement is whatever was captured into group 1. This effectively removes a...
Is there an opposite of include? for Ruby Arrays?
...name)
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end
ActiveSupport adds the exclude? method to Array, Hash, and String. This is not pure Ruby, but is used by a LOT of rubyists.
Source: Active Support Core Extensions (Rails Guides)
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How to prevent open last projects when intellij idea start
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Usefull for both intelij and android studio. Thanks!
– Andrew
Jul 25 '18 at 14:32
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