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Get names of all files from a folder with Ruby

I want to get all file names from a folder using Ruby. 19 Answers 19 ...
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Can jQuery get all CSS styles associated with an element?

Is there a way in jQuery to get all CSS from an existing element and apply it to another without listing them all? 5 Answer...
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How do I delete specific lines in Notepad++?

...code files (C#) and want to remove the regions. And I would like to delete all the lines that have the string '#region'. That's just an example, and I can think of several more uses, but is that even possible? ...
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How to kill all processes with a given partial name? [closed]

I want to kill all processes that I get by: 14 Answers 14 ...
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How to join (merge) data frames (inner, outer, left, right)

...nner join: merge(df1, df2) will work for these examples because R automatically joins the frames by common variable names, but you would most likely want to specify merge(df1, df2, by = "CustomerId") to make sure that you were matching on only the fields you desired. You can also use the by.x and b...
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Why is volatile not considered useful in multithreaded C or C++ programming?

...roblem with volatile in a multithreaded context is that it doesn't provide all the guarantees we need. It does have a few properties we need, but not all of them, so we can't rely on volatile alone. However, the primitives we'd have to use for the remaining properties also provide the ones that vol...
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Just what is Java EE really? [closed]

...the libraries function outside of the application server environment? Actually they can. Most of the libraries can be directly used standalone (in Java SE) or included in a .war (practically that's nearly always Tomcat). Some parts of Java EE, like JPA, have explicit sections in their respective sp...
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Efficient way to remove ALL whitespace from String?

I'm calling a REST API and am receiving an XML response back. It returns a list of a workspace names, and I'm writing a quick IsExistingWorkspace() method. Since all workspaces consist of contiguous characters with no whitespace, I'm assuming the easiest way to find out if a particular workspace i...
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How to gzip all files in all sub-directories into one compressed file in bash

This post describes how to gzip each file individually within a directory structure. However, I need to do something slightly different. I need to produce one big gzip file for all files under a certain directory. I also need to be able to specify the output filename for the compressed file (e.g., ...
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MySQL indexes - what are the best practices?

...SQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white. ...