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How can I replace a newline (\n) using sed?
...retrieve the lines from the hold space
with x, g, or G; or (3) use address ranges (see section 3.3, above)
to match lines between two specified addresses.
Choices (1) and (2) will put an \n into the pattern space, where it
can be addressed as desired ('s/ABC\nXYZ/alphabet/g'). One example
of using '...
How to move certain commits to be based on another branch in git?
...
The simplest thing you can do is cherry picking a range. It does the same as the rebase --onto but is easier for the eyes :)
git cherry-pick quickfix1..quickfix2
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i...
What database does Google use?
...riented and column-oriented databases.
designed to scale into the petabyte range
it works across hundreds or thousands of machines
it is easy to add more machines to the system and automatically start taking advantage of those resources without any reconfiguration
each table has multiple dimensions ...
What is monkey patching?
...= just_foo_cols # monkey-patch the DataFrame class
df = pd.DataFrame([list(range(4))], columns=["A","foo","foozball","bar"])
df.just_foo_cols()
del pd.DataFrame.just_foo_cols # you can also remove the new method
To break this down, first we import our module:
import pandas as pd
Next we create ...
How do I get the opposite (negation) of a Boolean in Python?
...
Also, int in range (....) is inefficient. It will create a list and then perform a linear search. Better than x in range(low, high) is low <= x < high.
– MRAB
Aug 11 '11 at 19:24
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Best way to add page specific JavaScript in a Rails 3 app?
...gt;" + render(:file => file) + "</script>"
content_for(:head, raw(s))
end
and then in your particular view (app/views/books/index.html.erb in this example)
<% include_javascript 'books/index.js' %>
... seems to work for me.
...
How do I call ::std::make_shared on a class with only protected or private constructors?
...hiavelli classes, which has a private ctor and a create method returning a raw pointer, and I am trying to convert them to smart pointers.
– zahir
Aug 11 '15 at 7:09
2
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Returning first x items from array
...
A more object oriented way would be to provide a range to the #[] method. For instance:
Say you want the first 3 items from an array.
numbers = [1,2,3,4,5,6]
numbers[0..2] # => [1,2,3]
Say you want the first x items from an array.
numbers[0..x-1]
The great thing a...
How to force a Solution file (SLN) to be opened in Visual Studio 2013?
...v (name).sln /upgrade method made no change to my .sln file.
Hacking the raw text of the .sln file corrupted mine and it would not open at all.
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Is there a JavaScript / jQuery DOM change listener?
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In addition to the "raw" tools provided by MutationObserver API, there exist "convenience" libraries to work with DOM mutations.
Consider: MutationObserver represents each DOM change in terms of subtrees. So if you're, for instance, waiting for...