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How to pass a user defined argument in scrapy spider
I am trying to pass a user defined argument to a scrapy's spider. Can anyone suggest on how to do that?
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Git production/staging server workflow
Currently my website (production server) already have a lot of code in it.
And now I want to start using Git for my projects and setup a staging server for my team.
Can anybody give me any advise?
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How to not wrap contents of a div?
I've got a fixed-width div with two buttons in it. If the labels of the buttons are too long, they wrap – one button stays on the first line, and the next button follows underneath it instead of adjacent to it.
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NameError: global name 'xrange' is not defined in Python 3
I am getting an error when running a python program:
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Handling very large numbers in Python
I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit:
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Oracle SQL Developer multiple table views
In Oracle SQL Developer , one can list the data in a table using the Data tab when viewing a table. there where can add, delete, edit or just viewing records of table currently viewd
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SQL: How to get the count of each distinct value in a column?
I have a SQL table called "posts" that looks like this:
1 Answer
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How to retrieve a user environment variable in CMake (Windows)
I know how to retrieve a normal machine wide environment variable in CMAKE using
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Python: Is it bad form to raise exceptions within __init__?
Is it considered bad form to raise exceptions within __init__ ? If so, then what is the accepted method of throwing an error when certain class variables are initialized as None or of an incorrect type?
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How to convert lazy sequence to non-lazy in Clojure
I tried the following in Clojure, expecting to have the class of a non-lazy sequence returned:
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