DeveloperLoad - DeveloperLoad

In updateMany, update the field only if field exists, and do not create a new key

So what I want to do inside the $set is check if the field exists and then update the value, but only if this field exists. The $cond is very close to what I wa

Render Different View (template) for ActionMailer

I'm trying to do a conditional render of a different template from ActionMailer (Rails 3.1.1). I want most users to get the normal welcome.html.erb template, bu

Delete rows with date's before the required date point based on key value

I have a pd.dataframe that looks like this: key_value date value_01 2017-01-13 value_01 2018-02-17 value_01 2018-04-02 value_01 2018-05-13 value_01

Why am I getting the same result when using p.adjust for the Holm and Bonferroni methods?

I've run several regressions and I'm trying to see if any of the significant findings hold after a multiple comparison adjustment. I know that Bonferroni adjust

java: unclosed character literal while running test in IntelliJ

I'm having trouble launching single unit tests from IntelliJ IDEA IDE because of the error: java: unclosed character literal which is found in many places of

Syntax to take user input from SQL and insert those values into a table in MySQL?

So, I'm not sure how to go about this. I've installed and imported MySQL Connector. fit=sql.connect(host='localhost',user='root',passwd='xez23%',database='fitne

Joining or merging a column to a dataframe [duplicate]

We have two dataframes exported from Excel. Both have a column called "PN", which was set at the exporting. "First" and "Second" are the varia