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Easy way to turn JavaScript array into comma-separated list?

I have a one-dimensional array of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if...
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How do I join two SQLite tables in my Android application?

I have an Android project that has a database with two tables: tbl_question and tbl_alternative . 4 Answers ...
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Filter output in logcat by tagname

I'm trying to filter logcat output from a real device (not an emulator) by tag name but I get all the messages which is quite a spam. I just want to read messages from browser which should be something like "browser: " or "webkit: " , but it doesn't work... Here it is what I get: ...
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Convert a string to regular expression ruby

I need to convert string like "/[\w\s]+/" to regular expression. 5 Answers 5 ...
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How do I get a list of all the duplicate items using pandas in python?

I have a list of items that likely has some export issues. I would like to get a list of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one?...
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Getting binary content in Node.js using request

I was trying to GET a binary data using request , and had something like: 2 Answers ...
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What is the best way to clear a session variable in rails?

Is this is the best way to destroy a session variable. 1 Answer 1 ...
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What makes a SQL statement sargable?

By definition (at least from what I've seen) sargable means that a query is capable of having the query engine optimize the execution plan that the query uses. I've tried looking up the answers, but there doesn't seem to be a lot on the subject matter. So the question is, what does or doesn't make...
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How does Amazon RDS backup/snapshot actually work?

I am an Amazon RDS customer and am experiencing daily amazon RDS write latency spikes, corresponding roughly to the backup window. I will also see spikes at the end of a snapshot (case in point: running a snapshot takes appx 1 hour, and in the final 5 minutes, write latency spikes). I am running a m...
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Use of “this” keyword in formal parameters for static methods in C#

I've come across several instances of C# code like the following: 6 Answers 6 ...