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How do I log a Python error with debug information?
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The exception method simply calls error(message, exc_info=1). As soon as you pass exc_info to any of the logging methods from an exception context, you will get a traceback.
– Helmut Grohne
Jun 25 '13 at 18:46
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Getting the SQL from a Django QuerySet [duplicate]
...et = MyModel.objects.all()
>>> print(queryset.query)
SELECT "myapp_mymodel"."id", ... FROM "myapp_mymodel"
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Convert a String In C++ To Upper Case
...pp>
#include <string>
std::string str = "Hello World";
boost::to_upper(str);
std::string newstr = boost::to_upper_copy<std::string>("Hello World");
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Forced naming of parameters in Python
...ition to other good answers for Python 2, please consider the following:
__named_only_start = object()
def info(param1,param2,param3,_p=__named_only_start,spacing=10,collapse=1):
if _p is not __named_only_start:
raise TypeError("info() takes at most 3 positional arguments")
return...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
I did a lot of searching and also read the PHP $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
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Can Python print a function definition?
...pile a regular expression pattern, returning a pattern object."
return _compile(pattern, flags)
This will work in the interactive prompt, but apparently only on objects that are imported (not objects defined within the interactive prompt). And of course it will only work if Python can find th...
Save classifier to disk in scikit-learn
... continue your example:
import cPickle
# save the classifier
with open('my_dumped_classifier.pkl', 'wb') as fid:
cPickle.dump(gnb, fid)
# load it again
with open('my_dumped_classifier.pkl', 'rb') as fid:
gnb_loaded = cPickle.load(fid)
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Using os.walk() to recursively traverse directories in Python
...!/usr/bin/env python
# -*- coding: utf-8 -*-
"""FileTreeMaker.py: ..."""
__author__ = "legendmohe"
import os
import argparse
import time
class FileTreeMaker(object):
def _recurse(self, parent_path, file_list, prefix, output_buf, level):
if len(file_list) == 0 \
or (self...
How do I get the path of the Python script I am running in? [duplicate]
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os.path.realpath(__file__) will give you the path of the current file, resolving any symlinks in the path. This works fine on my mac.
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What's the (hidden) cost of Scala's lazy val?
...nswered Jun 15 '10 at 7:51
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