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How to put a label on an issue in GitHub if you are not a contributor / owner?

I've submitted an issue for a project on GitHub which is not mine and I'm not a contributor, but I cannot find a way to label my issue. Is there a way for me to label it, or is this only available for contributors? ...
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How to concatenate two IEnumerable into a new IEnumerable?

I have two instances of IEnumerable<T> (with the same T ). I want a new instance of IEnumerable<T> which is the concatenation of both. ...
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How to remove the last character from a string?

I want to remove the last character from a string. I've tried doing this: 32 Answers 3...
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Why does PostgreSQL perform sequential scan on indexed column?

Very simple example - one table, one index, one query: 4 Answers 4 ...
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return query based on date

I have a data like this in mongodb 7 Answers 7 ...
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How to create a new java.io.File in memory?

How can I create new File (from java.io ) in memory, not on the hard disk? 3 Answers ...
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Detect & Record Audio in Python

I need to capture audio clips as WAV files that I can then pass to another bit of python for processing. The problem is that I need to determine when there is audio present and then record it, stop when it goes silent and then pass that file to the processing module. ...
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C++ Double Address Operator? (&&)

I'm reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h : ...
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NULL vs nullptr (Why was it replaced?) [duplicate]

I know that in C++ 0x or NULL was replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement? ...
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Get city name using geolocation

I managed to get the user's latitude and longitude using HTML-based geolocation. 11 Answers ...