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Interactive search/replace regex in Vim?
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Add the flag c (in the vim command prompt):
:%s/old/new/gc
will give you a yes/no prompt at each occurrence of 'old'.
Vim's built-in help offers useful info on the options available once substitution with confirmation has been selected. Use:
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SQLAlchemy ORDER BY DESCENDING?
How can I use ORDER BY descending in a SQLAlchemy query like the following?
6 Answers
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Reactjs: Unexpected token '
i am just starting with Reactjs and was writing a simple component to display
li tag and came across this error:
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Copy folder structure (without files) from one location to another
I want to create a clone of the structure of our multi-terabyte file server. I know that cp --parents can move a file and it's parent structure, but is there any way to copy the directory structure intact?
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How to hide the “back” button in UINavigationController?
...NavigationController?
Also, how to show it back, but I guess that's very similar to hiding it...
14 Answers
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Automatic counter in Ruby for each?
...dex
but if you want indices with an iterator different to "each" (for example, if you want to map with an index or something like that) you can concatenate enumerators with the each_with_index method, or simply use with_index:
blahs.each_with_index.map { |blah, index| something(blah, index)}
bla...
ImportError: No module named six
I'm trying to build OpenERP project, done with dependencies. It's giving this error now
7 Answers
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What does map(&:name) mean in Ruby?
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It's shorthand for tags.map(&:name.to_proc).join(' ')
If foo is an object with a to_proc method, then you can pass it to a method as &foo, which will call foo.to_proc and use that as the method's block.
The Symbol#to_proc method was origin...
How Does Modulus Divison Work
I don't really understand how modulus division works.
I was calculating 27 % 16 and wound up with 11 and I don't understand why.
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I can't install python-ldap
When I run the following command:
20 Answers
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