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What is the difference between linear regression and logistic regression?
...hours, etc.
Equation
Linear regression gives an equation which is of the form Y = mX + C,
means equation with degree 1.
However, logistic regression gives an equation which is of the form
Y = eX + e-X
Coefficient interpretation
In linear regression, the coefficient interpretation of independen...
How do you create different variable names while in a loop? [duplicate]
...it's called a dictionary:
d = {}
for x in range(1, 10):
d["string{0}".format(x)] = "Hello"
>>> d["string5"]
'Hello'
>>> d
{'string1': 'Hello',
'string2': 'Hello',
'string3': 'Hello',
'string4': 'Hello',
'string5': 'Hello',
'string6': 'Hello',
'string7': 'Hello',
'stri...
Should I use != or for not equal in T-SQL?
...Server AKA T-SQL. If you're using it in stored procedures there is no performance reason to use one over the other. It then comes down to personal preference. I prefer to use <> as it is ANSI compliant.
You can find links to the various ANSI standards at...
http://en.wikipedia.org/wiki/SQL
...
What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?
...turn 2xx the client can assume the order was accepted, regardless of any information you send in the body.
From RESTful Web Services Cookbook:
One common mistake that some web services make is to return a status
code that reflects success (status codes from 200 to 206 and from 300
to 307) b...
Sending Arguments To Background Worker?
...orker1_DoWork(object sender, DoWorkEventArgs e)
{
// Do not access the form's BackgroundWorker reference directly.
// Instead, use the reference provided by the sender parameter.
BackgroundWorker bw = sender as BackgroundWorker;
// Extract the argument.
int arg = (int)e.Argument...
How to pass macro definition from “make” command line arguments (-D) to C source code?
...hat use CPPFLAGS
n.o is made automatically from n.c with a recipe of the form:
$(CC) $(CPPFLAGS) $(CFLAGS) -c
n.o is made automatically from n.cc, n.cpp, or n.C with a recipe of the form:
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c
One would use the command make CPPFLAGS=-Dvar=123 to define the desi...
Convert Django Model object to dict with all of the fields intact
...d it has two unwanted extra things in it.
2. model_to_dict
from django.forms.models import model_to_dict
model_to_dict(instance)
which returns
{'foreign_key': 2,
'id': 1,
'many_to_many': [<OtherModel: OtherModel object>],
'normal_value': 1}
This is the only one with many_to_many, b...
Insert space before capital letters
...regex, you can use the following code from Javascript camelCase to Regular Form
"thisStringIsGood"
// insert a space before all caps
.replace(/([A-Z])/g, ' $1')
// uppercase the first character
.replace(/^./, function(str){ return str.toUpperCase(); })
...
What are the mechanics of short string optimization in libc++?
...e correctly dissected the long/short flag, and the size field in the short form.
what value would __min_cap, the capacity of short strings, take for different architectures?
In the short form, there are 3 words to work with:
1 bit goes to the long/short flag.
7 bits goes to the size.
Assumin...