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Float vs Decimal in ActiveRecord

Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case, 3 Answers ...
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Minimum and maximum date

I was wondering which is the minimum and the maximum date allowed for a Javascript Date object. I found that the minimum date is something like 200000 B.C., but I couldn't get any reference about it. ...
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Calculate total seconds in PHP DateInterval

What is the best way to calculate the total number of seconds between two dates? So far, I've tried something along the lines of: ...
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Add unique constraint to combination of two columns

I have a table and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique. ...
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How to create a loop in bash that is waiting for a webserver to respond?

How to create a loop in bash that is waiting for a webserver to respond? 6 Answers 6 ...
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Remove the first character of a string

I would like to remove the first character of a string. 4 Answers 4 ...
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How do I sort a dictionary by value?

I have a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary. ...
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How to compare types

Quick question: how to compare a Type type (pun not intended) with another type in C#? I mean, I've a Type typeField and I want to know if it is System.String , System.DateTime , etc., but typeField.Equals(System.String) doesn't work. ...
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Passing a 2D array to a C++ function

I have a function which I want to take, as a parameter, a 2D array of variable size. 15 Answers ...
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How to work around the stricter Java 8 Javadoc when using Maven

You'll quickly realize that JDK8 is a lot more strict (by default) when it comes to Javadoc. ( link - see last bullet point) ...