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How do I use InputFilter to limit characters in an EditText in Android?

I want to restrict the chars to 0-9, a-z, A-Z and spacebar only. Setting inputtype I can limit to digits but I cannot figure out the ways of Inputfilter looking through the docs. ...
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mongorestore error: Don't know what to do with the dump file [closed]

I have mongo DB installed in the following path c:\mongodb\bin . I have configured my environment variable PATH in advanced settings.I also have mongod running .When I run the following command mongorestore dump from the following path c:\hw1-1\dump (This contains the BSON files) I'm getting th...
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How do I convert an NSString value to NSData?

How do I convert an NSString value to NSData ? 11 Answers 11 ...
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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 6 ...
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delete vs delete[] operators in C++

What is the difference between delete and delete[] operators in C++? 7 Answers 7 ...
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Sanitizing strings to make them URL and filename safe?

I am trying to come up with a function that does a good job of sanitizing certain strings so that they are safe to use in the URL (like a post slug) and also safe to use as file names. For example, when someone uploads a file I want to make sure that I remove all dangerous characters from the name. ...
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What does a type followed by _t (underscore-t) represent?

This seems like a simple question, but I can't find it with the Stack Overflow search or Google. What does a type followed by a _t mean? Such as ...
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How to fix SSL certificate error when running Npm on Windows?

When I try to install a package with npm, it doesn't work. After a long wait, I eventually get an error 'tunneling socket could not be established, sutatusCode=403'. ...
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How do you remove duplicates from a list whilst preserving order?

Is there a built-in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this: ...
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How to combine multiple conditions to subset a data-frame using “OR”?

I have a data.frame in R. I want to try two different conditions on two different columns, but I want these conditions to be inclusive. Therefore, I would like to use "OR" to combine the conditions. I have used the following syntax before with lot of success when I wanted to use the "AND" conditio...