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Converting strings to floats in a DataFrame
...pd.to_numeric(s)
s = pd.Series(['apple', '1.0', '2', -3])
pd.to_numeric(s, errors='ignore')
pd.to_numeric(s, errors='coerce')
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Can't get Gulp to run: cannot find module 'gulp-util'
...n't know. )
To recap, I kept getting the "cannot find module 'gulp-util'" error when just checking to see if gulp was installed by running:
gulp --version
...again, the 'gulp-util' error kept appearing...
So, I followed the npm install [package name] advice listed above, but ended up getting s...
How to change the name of a Django app?
...er, imports and all its references (templates/indexes). But now I get this error when I try to run python manage.py runserver
...
What is TypeScript and why would I use it in place of JavaScript? [closed]
...fits is to enable IDEs to provide a richer environment for spotting common errors as you type the code.
To get an idea of what I mean, watch Microsoft's introductory video on the language.
For a large JavaScript project, adopting TypeScript might result in more robust software, while still being d...
How to check for null in Twig?
...se (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be:
{% if var is not defined or var is null %}
which can be shortened to:
{% if var|default is null %}
If you don't provide an argument to the default filter, it assumes NU...
Calling a class function inside of __init__
...|
edited Sep 28 '12 at 20:05
Paolo Moretti
45.4k2121 gold badges9191 silver badges8888 bronze badges
ans...
SQL Add foreign key to existing column
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Error indicates that there is no UserID column in your Employees table. Try adding the column first and then re-run the statement.
ALTER TABLE Employees
ADD CONSTRAINT FK_ActiveDirectories_UserID FOREIGN KEY (UserID)
REF...
How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
...
Just wanted to say that I was having the same error and tried everything on this page, with nothing working. Turned out I was missing a ">" close tag on a div that had runat="server". Running VS-2008.
– Ber53rker
May 16 '12 at 14...
Any reason not to use '+' to concatenate two strings?
...----------------------------------------------------------------------
TypeError Traceback (most recent call last)
/home/izkata/<ipython console> in <module>()
/home/izkata/<ipython console> in foo(zeta)
TypeError: cannot concatenate 'str' and 'in...
Why does changing the returned variable in a finally block not change the return value?
...ue.why?
– Devendra
Apr 17 '13 at 13:05
6
@dev - I discuss that in the second paragraph of my answ...