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NameError: global name 'xrange' is not defined in Python 3
...nge().
For the record, what you are seeing is not a syntax error but a runtime exception instead.
If you do know what your are doing and are actively making a Python 2 codebase compatible with Python 3, you can bridge the code by adding the global name to your module as an alias for range. (Take...
Why are global variables evil? [closed]
...ng your code (open-source community, colleagues etc) they will have a hard time trying to understand where the global variable is being set, where has been changed and what to expect from this global variable as opposed to an isolated function that its functionality can be determined by reading the ...
How can I use UUIDs in SQLAlchemy?
...he space - 16bytes vs 32 chars - not including any formatters. Processing time - more bytes = more processing time by the CPU as your dataset gets bigger. uuid string formats differ by language, adding addition required translations. Easier for someone to misuse the column, as you can put anythin...
How do you implement a class in C? [closed]
...or even defining the reference to each object as a constant before compile time. Feel free to make assumptions about which OOP concept I will need to implement (it will vary) and suggest the best method for each.
...
Regular expression to get a string between two strings in Javascript
I have found very similar posts, but I can't quite get my regular expression right here.
11 Answers
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how to permit an array with strong parameters
... types are String, Symbol, NilClass, Numeric, TrueClass, FalseClass, Date, Time, DateTime, StringIO, IO,
ActionDispatch::Http::UploadedFile and Rack::Test::UploadedFile.
To declare that the value in params must be an array of permitted scalar values map the key to an empty array:
params.perm...
Best/Most Comprehensive API for Stocks/Financial Data [closed]
...PI for accessing financial market stats and stock quotes (preferrably real-time quotes)? I'm not too picky about how it's exposed (SOAP, REST, some proprietary XML setup, etc.), as long as it's got some decent documentation.
...
When to use LinkedList over ArrayList in Java?
...d array operations, the various methods will have different algorithmic runtimes.
For LinkedList<E>
get(int index) is O(n) (with n/4 steps on average), but O(1) when index = 0 or index = list.size() - 1 (in this case, you can also use getFirst() and getLast()). One of the main benefits of L...
SQLite - UPSERT *not* INSERT or REPLACE
...ent TEXT,
author INTEGER NOT NULL REFERENCES user (id),
ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
Note in particular that name is the natural key of the row – id is used only for foreign keys, so the point is for SQLite to pick the ID value itself when inserting a new row. But w...
How to enter command with password for git pull?
...stores the credentials indefinitely.
git config credential.helper 'cache --timeout=3600'- stores for 60 minutes
For ssh-based access, you'd use ssh agent that will provide the ssh key when needed. This would require generating keys on your computer, storing the public key on the remote server and ...