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How to determine whether a Pandas Column contains a particular value

I am trying to determine whether there is an entry in a Pandas column that has a particular value. I tried to do this with if x in df['id'] . I thought this was working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data...
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Show/hide 'div' using JavaScript

For a website I'm doing, I want to load one div, and hide another, then have two buttons that will toggle views between the div using JavaScript. ...
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How to set a selected option of a dropdown list control using angular JS

I am using Angular JS and I need to set a selected option of a dropdown list control using angular JS. Forgive me if this is ridiculous but I am new with Angular JS ...
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What is a serialVersionUID and why should I use it?

Eclipse issues warnings when a serialVersionUID is missing. 26 Answers 26 ...
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Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time

I am really confused with the result I am getting with Calendar.getInstance(TimeZone.getTimeZone("UTC")) method call, it's returning IST time. ...
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How to find a hash key containing a matching value

...ven I have the below clients hash, is there a quick ruby way (without having to write a multi-line script) to obtain the key given I want to match the client_id? E.g. How to get the key for client_id == "2180" ? ...
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C# Sort and OrderBy comparison

I can sort a list using Sort or OrderBy. Which one is faster? Are both working on same algorithm? 7 Answers ...
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Allow multi-line in EditText view in Android?

How to allow multi-line in Android's EditText view? 15 Answers 15 ...
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How to get the focused element with jQuery?

Using jQuery, how can I get the input element that has the caret's (cursor's) focus? 8 Answers ...
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How do I handle ImeOptions' done button click?

I am having an EditText where I am setting the following property so that I can display the done button on the keyboard when user click on the EditText. ...