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NameError: global name 'unicode' is not defined - in Python 3
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If you need to have the script keep working on python2 and 3 as I did, this might help someone
import sys
if sys.version_info[0] >= 3:
unicode = str
and can then just do for example
foo = unicode.lower(foo)
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Run a callback only if an attribute has changed in Rails
...ods/Dirty.html
Before Saving (OPTIONAL CHANGE)
After modifying an object and before saving to the database, or within the before_save filter:
changes should now be changes_to_save
changed? should now be has_changes_to_save?
changed should now be changed_attribute_names_to_save
<attribute>_...
How does “304 Not Modified” work exactly?
...e then does the browser need to make the request? (as it could stub in 304 and not make the request at all)... you want this e.g. with "fingerprinted" assets (they're good forever). Else what's the point of max-age...
– Andy Hayden
Apr 6 '16 at 7:16
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How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
... function is int fileno(FILE *stream). It can be found in <stdio.h>, and is a POSIX standard but not standard C.
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How to make Sequelize use singular table names
...de to freezeTableName is that it also prevents sqlz from lowercasing table and column names. Which means that later, when you're hand-writing SQL to dig through data, you have to cope with mixed-case names (whatever that means for your dialect). On pg, it means having to use double-quotes around eve...
What's the simplest way to list conflicted files in Git?
... @Pacerier, it's just messier. If you had a million unconflicting merges and one conflicting merge, you'd want something succinct for output.
– xster
Jan 7 '16 at 20:50
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How to check if a path is absolute path or relative path in cross platform way with Python?
...'/', whereas Windows starts with alphabet 'C:' or '\'.
Does python has a standard function to check if a path is absolute or relative?
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How to create an exit message
Is there a one line function call that quits the program and displays a message? I know in Perl it's as simple as:
4 Answer...
Performing regex Queries with pymongo
...ored at the start (ie: starting with ^) are able to use indexes in the db, and will run much faster in that case.
– drevicko
Aug 13 '13 at 23:31
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Convert an integer to a float number
...oint numbers
complex64 the set of all complex numbers with float32 real and imaginary parts
complex128 the set of all complex numbers with float64 real and imaginary parts
byte alias for uint8
rune alias for int32
Which means that you need to use float64(integer_value).
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