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Stop pip from failing on single package when installing with requirements.txt
...sed '/^\s*$/d' | xargs -n 1 pip install to remove anything in the comments and get rid of empty lines.
– Narek
Apr 17 '18 at 20:47
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Remove all values within one list from another list? [duplicate]
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What if I've a list [1,2,2,2,3,4] and a sublist [2,3], then the result should be [1,2,2,4], is there a Pythonic way to do that?
– user
Mar 2 '14 at 5:20
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
...ving it at the end, you might want to make your own concatenation function and substitute it for the "textcat" above. Here is one I put together and tested on 8.3.12:
CREATE FUNCTION commacat(acc text, instr text) RETURNS text AS $$
BEGIN
IF acc IS NULL OR acc = '' THEN
RETURN instr;
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To switch from vertical split to horizontal split fast in Vim
...an you switch your current windows from horizontal split to vertical split and vice versa in Vim?
8 Answers
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What goes into your .gitignore if you're using CocoaPods?
I've been doing iOS development for a couple of months now and just learned of the promising CocoaPods library for dependency management.
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How many bytes in a JavaScript string?
...6 text:
4.3.16 String Value
A string value is a member of the type String and is a
finite ordered sequence of zero or
more 16-bit unsigned integer values.
NOTE Although each value usually
represents a single 16-bit unit of
UTF-16 text, the language does not
place any restrictions or requirements
on...
What is the template binding vs binding?
I could not understand BorderThickness="{TemplateBinding BorderThickness} .
Here the code:
4 Answers
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How to upgrade all Python packages with pip?
...finite potential variations for this. I'm trying to keep this answer short and simple, but please do suggest variations in the comments!
In older version of pip, you can use this instead:
pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs -n1 pip install -U
The grep is to skip editable...
How do I change the IntelliJ IDEA default JDK?
I use IntelliJ IDEA as my development environment, and Maven for dependency management. I frequently build my project structure (directories, poms, etc) outside of IDEA and then import the project into IDEA using Import project from external model . This works great, except that in my poms I spec...
Unittest setUp/tearDown for several tests
... is fired at the beginning/end of a scenario of tests? The functions setUp and tearDown are fired before/after every single test.
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