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Print a string as hex bytes?
...ith debugging line breaks or other odd characters in a string:
For Python 2.7
for character in string:
print character, character.encode('hex')
For Python 3.7 (not tested on all releases of 3)
for character in string:
print(character, character.encode('utf-8').hex())
...
psycopg2: insert multiple rows with one query
...
New execute_values method in Psycopg 2.7:
data = [(1,'x'), (2,'y')]
insert_query = 'insert into t (a, b) values %s'
psycopg2.extras.execute_values (
cursor, insert_query, data, template=None, page_size=100
)
The pythonic way of doing it in Psycopg 2.6:
d...
What's the best Django search app? [closed]
... the latest version of haystack (2.1) is not working at all with my python 2.7 version of django 1.4.
– Chris Hawkes
Aug 18 '13 at 2:13
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Checking if a string is empty or null in Java [duplicate]
...
And all for the low low cost of adding 2.7 MB to your build.
– DavidS
Jan 17 at 20:19
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The order of keys in dictionaries
...
You could use OrderedDict (requires Python 2.7) or higher.
Also, note that OrderedDict({'a': 1, 'b':2, 'c':3}) won't work since the dict you create with {...} has already forgotten the order of the elements. Instead, you want to use OrderedDict([('a', 1), ('b', 2), (...
print memory address of Python variable [duplicate]
How do I print the memory address of a variable in Python 2.7?
I know id() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address.
I want to do something like print &x , where x is a C++ int variable for exam...
Removing all non-numeric characters from string in Python
...ke implementations using str.translate, this solution works in both python 2.7 and 3.4. Thank you!
– Alex
Jan 20 '16 at 14:47
1
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Is there something like RStudio for Python? [closed]
...m.io/downloads.html), which will install Spyder for you, as well as Python 2.7 and IPython. Spyder is very similar to RStudio.
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Best introduction to C++ template metaprogramming? [closed]
...ertions", 2.4 "Mapping Integral Constants to Types", 2.6 "Type Selection", 2.7 "Detecting Convertibility and Inheritance at Compile Time", 2.9 "NullType and EmptyType" and 2.10 "Type Traits".
The best intermediate/advanced resource I've found is C++ Template Metaprogramming by David Abrahams and Al...
How to check if string input is a number? [duplicate]
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Worth noting that in Python 2.7 this only works for unicode strings. A non-unicode string ("123456".isnumeric()) yields AttributeError: 'str' object has no attribute 'isnumeric', while U"12345".numeric() = True
– perlyking
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