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Removing duplicate rows in vi?
... a long list of entries (one on each line). Some of these are duplicates, and I would like to know if it is possible (and if so, how) to remove any duplicates. I am interested in doing this from within vi/vim, if possible.
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PostgreSQL query to list all table names?
...able_name
FROM information_schema.tables
WHERE table_schema='public'
AND table_type='BASE TABLE';
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“Cannot start compilation: the output path is not specified for module…”
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You just have to go to your Module settings > Project and specify a "Project compiler output" and make your modules inherit from project. (For that go to Modules > Paths > Inherit project.
This did the trick for me.
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...his question by me 8 September 2015 so use the above line in your Gem file and run:
bundle install
You should be good to go
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Eclipse git checkout (aka, revert)
...Staging" view, right click the deleted file in the "Unstaged Changes" list and select "Replace with HEAD Revision"
– Vlasta Dolejs
Sep 5 '17 at 8:03
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How can my iphone app detect its own version number?
... is stored in the kRevisionNumber constant. I can then access the version and revision number using something similar to the following:
[NSString stringWithFormat:@"Version %@ (%@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"], kRevisionNumber]
which will create a st...
Syntax error on print with Python 3 [duplicate]
... to write it as
print("Hello World")
But if you write this in a program and someone using Python 2.x tries to run it, they will get an error. To avoid this, it is a good practice to import print function:
from __future__ import print_function
Now your code works on both 2.x & 3.x.
Check o...
How do I find the maximum of 2 numbers?
...unction max takes any number of arguments, or (alternatively) an iterable, and returns the maximum value.
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How can I count the number of children?
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What if, its not known that the child is "li", and could be anything?
– Starx
Sep 24 '12 at 10:41
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How can I make text appear on next line instead of overflowing? [duplicate]
...u pick where to stuff those characters? That depends on the actual string and what it means, I guess.
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