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Best way to store date/time in mongodb
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edited Feb 10 '14 at 10:52
Dan Dascalescu
98.3k3636 gold badges263263 silver badges333333 bronze badges
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Does Javascript pass by reference? [duplicate]
...arts . I am very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the function parameter, the inside area function is not able to access it.
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How to link C++ program with Boost using CMake
What should my CMake file look like for linking my program with the Boost library under Ubuntu?
6 Answers
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How to generate .NET 4.0 classes from xsd?
What are the options to generate .NET 4.0 c# classes (entities) from an xsd file, using Visual Studio 2010?
10 Answers
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Simple Log to File example for django 1.3+
... 'class':'logging.handlers.RotatingFileHandler',
'filename': SITE_ROOT + "/logfile",
'maxBytes': 50000,
'backupCount': 2,
'formatter': 'standard',
},
'console':{
'level':'INFO',
'class':'logging.StreamHandler',
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Cannot delete or update a parent row: a foreign key constraint fails
...the advertisers table before you can delete the row in the jobs table that it references. This:
ALTER TABLE `advertisers`
ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY (`advertiser_id`)
REFERENCES `jobs` (`advertiser_id`);
...is actually the opposite to what it should be. As it is, i...
How to get function parameter names/values dynamically?
.../d){}) // returns ['a','d']
getParamNames(function (){}) // returns []
Edit:
With the invent of ES6 this function can be tripped up by default parameters. Here is a quick hack which should work in most cases:
var STRIP_COMMENTS = /(\/\/.*$)|(\/\*[\s\S]*?\*\/)|(\s*=[^,\)]*(('(?:\\'|[^'\r\n])*')|...
Pandas percentage of total with groupby
...impler way -- just groupby the state_office and divide the sales column by its sum. Copying the beginning of Paul H's answer:
# From Paul H
import numpy as np
import pandas as pd
np.random.seed(0)
df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3,
'office_id': list(range(1...
Split files using tar, gz, zip, or bzip2 [closed]
I need to compress a large file of about 17-20 GB. I need to split it into several files of around 1GB per file.
4 Answers
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Iterate over the lines of a string
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Here are three possibilities:
foo = """
this is
a multi-line string.
"""
def f1(foo=foo): return iter(foo.splitlines())
def f2(foo=foo):
retval = ''
for char in foo:
retval += char if not char == '\n' else ''
if char == ...