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Assign pandas dataframe column dtypes
...e types explicitly with pandas DataFrame.astype(dtype, copy=True, raise_on_error=True, **kwargs) and pass in a dictionary with the dtypes you want to dtype
here's an example:
import pandas as pd
wheel_number = 5
car_name = 'jeep'
minutes_spent = 4.5
# set the columns
data_columns = ['wheel_number...
How to round a number to n decimal places in Java
...tem.out.println("a="+a+" (a % .001)="+(a % 0.001));
int count = 0, errors = 0;
for (double x = 0.0; x < 1; x += 0.0001)
{
count++;
double d = x;
int scale = 2;
double factor = Math.pow(10, scale);
d = Math.round(d...
Directory does not exist. Parameter name: directoryVirtualPath
i just published my project to my host on Arvixe and get this error (Works fine local):
20 Answers
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Angular.js programmatically setting a form field to dirty
...u can use $setDirty() on fields (source). For example, for each field with error and marked required you can do the following:
angular.forEach($scope.form.$error.required, function(field) {
field.$setDirty();
});
share...
Generic method multiple (OR) type constraint
...
What I'm doing, in fact, is writing a simple error logging function. I'd like that last parameter to either be a string of info about the error, or an exception, in which case I save e.message + e.stacktrace as a string anyway.
– Mansfield
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How to correct TypeError: Unicode-objects must be encoded before hashing?
I have this error:
10 Answers
10
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How to use a decimal range() step value?
...s in terms of how many points you want. Otherwise, floating-point rounding error is likely to give you a wrong result.
You can use the linspace function from the NumPy library (which isn't part of the standard library but is relatively easy to obtain). linspace takes a number of points to return, a...
Is 23,148,855,308,184,500 a magic number, or sheer chance?
...kay, but for a pack of cigarettes? for milk and eggs‽
The space-padding error makes sense, except it does not account for the 0x1250 constant. Why is it that all of them ended up with 0x2020 2020 2020 1250 instead of 0x2020 2020 2020 2020 or different numbers in the last WORD?
Hmmm, if only 13,0...
Setting DIV width and height in JavaScript
...me very specific steps that were discovered through very painful trial and error. It might be that IE7 wouldn't work properly with setAttribute... I don't remember exactly, so I'll leave this as an exercise for the reader and will remove the part about chrome/FF, etc. I know the code works, even if ...
how to schedule a job for sql query to run daily?
I need to know how to make a SQL query run daily using a SQL Server Agent job, with minimum required configuration settings.
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