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Where do “pure virtual function call” crashes come from?
...0x00007ffff7499428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1 0x00007ffff749b02a in __GI_abort () at abort.c:89
#2 0x00007ffff7ad78f7 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x00007ffff7adda46 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so....
Print current call stack from a method in Python code
In Python, how can I print the current call stack from within a method (for debugging purposes).
7 Answers
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Python Write bytes to file
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I think this is a bug in python itself, given python can detect data types at runtime, and can detect between binary and text input, I think it should be fixed in python itself, why are hundreds of people ending up in this page, if it could have been...
How do I loop through a list by twos? [duplicate]
I want to loop through a Python list and process 2 list items at a time. Something like this in another language:
7 Answers...
JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...reak it down into components.
Programming language for generating JSON
Python - snake_case
PHP - snake_case
Java - camelCase
JavaScript - camelCase
JSON itself has no standard naming of keys
Programming language for parsing JSON
Python - snake_case
PHP - snake_case
Java - camelCase
JavaScript...
Retrieving parameters from a URL
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Python 2:
import urlparse
url = 'http://foo.appspot.com/abc?def=ghi'
parsed = urlparse.urlparse(url)
print urlparse.parse_qs(parsed.query)['def']
Python 3:
import urllib.parse as urlparse
from urllib.parse import parse_qs...
Does Python have a ternary conditional operator?
If Python does not have a ternary conditional operator, is it possible to simulate one using other language constructs?
26 ...
How to erase the file contents of text file in Python?
I have text file which I want to erase in Python. How do I do that?
12 Answers
12
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Python serialization - Why pickle?
I understood that Python pickling is a way to 'store' a Python Object in a way that does respect Object programming - different from an output written in txt file or DB.
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Pythonic way to check if a file exists? [duplicate]
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This answer is outdated. On Python 3.4+ use pathlib, like this: Path("path/to/file").is_file() if you want to check that it's a file and that it exists or Path("path/to/file").exists() if you only want to know that it exists (but might be a directory).
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