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In mongoDb, how do you remove an array element by its index?
In the following example, assume the document is in the db.people collection.
8 Answers
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How do I check if a type provides a parameterless constructor?
I'd like to check if a type that is known at runtime provides a parameterless constructor. The Type class did not yield anything promising, so I'm assuming I have to use reflection?
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WebAPI Delete not working - 405 Method Not Allowed
I appreciate any help on this as the site is supposed to go live tonight!
14 Answers
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Change “on” color of a Switch
I'm using a standard Switch control with the holo.light theme in a ICS app.
22 Answers
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Insert a row to pandas dataframe
I have a dataframe:
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What does do?
What's the difference if one web page starts with
12 Answers
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How do I round a decimal value to 2 decimal places (for output on a page)
When displaying the value of a decimal currently with .ToString() , it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places.
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
In JavaScript you can declare a variable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
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How do I use a custom deleter with a std::unique_ptr member?
I have a class with a unique_ptr member.
6 Answers
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How do I create test and train samples from one dataframe with pandas?
I have a fairly large dataset in the form of a dataframe and I was wondering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing.
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