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How to determine whether a Pandas Column contains a particular value

...y 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 frame only containing entries matching the missi...
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How to limit the maximum value of a numeric field in a Django model?

...erRangeField(min_value=-100, max_value=100) What would be really cool is if it could be called with the range operator like this: size = fields.IntegerRangeField(range(1, 50)) But, that would require a lot more code since since you can specify a 'skip' parameter - range(1, 50, 2) - Interesting ...
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How to check if a specific key is present in a hash or not?

... my_hash2.has_key?("my_key".to_sym) => false But when creating hash if you pass string as key then it will search for the string in keys. But when creating hash you pass symbol as key then has_key? will search the keys by using symbol. If you are using Rails, you can use Hash#with_indiffe...
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Set a default font for whole iOS app?

...e in iOS 5 using the UIAppearance proxy. [[UILabel appearance] setFont:[UIFont fontWithName:@"YourFontName" size:17.0]]; That will set the font to be whatever your custom font is for all UILabels in your app. You'll need to repeat it for each control (UIButton, UILabel, etc.). Remember you'll ...
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android ellipsize multiline textview

... use this code freely and without attribution, or under the Apache license if you would prefer. Note that there is a listener to notify you when the text becomes ellipsized, which I found quite useful myself. import java.util.ArrayList; import java.util.List; import android.content.Context; impor...
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How do I check whether a checkbox is checked in jQuery?

...e of the element. Given your existing code, you could therefore do this: if(document.getElementById('isAgeSelected').checked) { $("#txtAge").show(); } else { $("#txtAge").hide(); } However, there's a much prettier way to do this, using toggle: $('#isAgeSelected').click(function() { ...
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How to convert milliseconds into human readable form?

...in the above, it is assumed that / represents truncating integer division. If you use this code in a language where / represents floating point division, you will need to manually truncate the results of the division as needed. ...
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Setting dynamic scope variables in AngularJs - scope.

...und is to use $parse. "Converts Angular expression into a function." If anyone has a better one please add a new answer to the question! Here is the example: var the_string = 'life.meaning'; // Get the model var model = $parse(the_string); // Assigns a value to it model.assign($scope, 42);...
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Detailed 500 error message, ASP + IIS 7.5

... I have come to the same problem and fixed the same way as Alex K. So if "Send Errors To Browser" is not working set also this: Error Pages -> 500 -> Edit Feature Settings -> "Detailed Errors" Also note that if the content of the error page sent back is quite short and you're using...
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How to find out if a file exists in C# / .NET?

... File.Exists(path) returns false even if the file exists BUT caller lacks permission to read it. Is there a different way to handle this kind of situations and check whether a file exists even if the caller cannot read it? – ADTC ...