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How do I write unit tests in PHP? [closed]

I've read everywhere about how great they are, but for some reason I can't seem to figure out how exactly I'm supposed to test something. Could someone perhaps post a piece of example code and how they would test it? If it's not too much trouble :) ...
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@Column(s) not allowed on a @ManyToOne property

I have a JPA entity with a property set as 4 Answers 4 ...
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Getting an “ambiguous redirect” error

The following line in my Bash script 11 Answers 11 ...
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column

I am working with the pandas library and I want to add two new columns to a dataframe df with n columns (n > 0). These new columns result from the application of a function to one of the columns in the dataframe. ...
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Convert timestamp to date in MySQL query

I want to convert a timestamp in MySQL to a date. 10 Answers 10 ...
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When should I use double or single quotes in JavaScript?

console.log("double"); vs. console.log('single'); 44 Answers 44 ...
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What are the differences between the different saving methods in Hibernate?

Hibernate has a handful of methods that, one way or another, takes your object and puts it into the database. What are the differences between them, when to use which, and why isn't there just one intelligent method that knows when to use what? ...
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How do I turn a python datetime into a string, with readable format date?

How do I turn that into a string?: 7 Answers 7 ...
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Servlet for serving static content

I deploy a webapp on two different containers (Tomcat and Jetty), but their default servlets for serving the static content have a different way of handling the URL structure I want to use ( details ). ...
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Using sed, how do you print the first 'N' characters of a line?

Using sed what is an one liner to print the first n characters ? I am doing the following: 6 Answers ...