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How to remove duplicate white spaces in string using Java?

...atches a space, tab, new line, carriage return, form feed or vertical tab, and + says "one or more of those". Thus the above code will collapse all "whitespace substrings" longer than one character, with a single space character. Source: Java: Removing duplicate white spaces in strings ...
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FTP/SFTP access to an Amazon S3 Bucket [closed]

...o set up). Or you can mount the bucket to a file system on a Linux server and access the files using the SFTP as any other files on the server (which gives you greater control). Or you can just use a (GUI) client that natively supports S3 protocol (what is free). Managed SFTP Service In your...
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A non-blocking read on a subprocess.PIPE in Python

I'm using the subprocess module to start a subprocess and connect to its output stream (standard output). I want to be able to execute non-blocking reads on its standard output. Is there a way to make .readline non-blocking or to check if there is data on the stream before I invoke .readline ? I'...
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Can't use Swift classes inside Objective-C

...try to integrate Swift code in my app.My app is written in Objective-C and I added a Swift class. I've done everything described here . But my problem is that Xcode haven't created the -Swift.h file, only the bridging headers. So I created it, but it's actually empty. I can use all my Obj...
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git push says “everything up-to-date” even though I have local changes

I have a remote gitosis server and a local git repository, and each time I make a big change in my code, I'll push the changes to that server too. ...
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Go build: “Cannot find package” (even though GOPATH is set)

...e your foobar.go source file is not in a directory called foobar. go build and go install try to match directories, not source files. Set $GOPATH to a valid directory, e.g. export GOPATH="$HOME/go" Move foobar.go to $GOPATH/src/foobar/foobar.go and building should work just fine. Additional reco...
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How to organize large R programs?

...en I undertake an R project of any complexity, my scripts quickly get long and confusing. 11 Answers ...
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How to increase scrollback buffer size in tmux?

...story limit is a pane attribute that is fixed at the time of pane creation and cannot be changed for existing panes. The value is taken from the history-limit session option (the default value is 2000). To create a pane with a different value you will need to set the appropriate history-limit optio...
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MySQL table is marked as crashed and last (automatic?) repair failed

I was repairing this table suddenly server hanged and when I returned back all tables are ok but this one showing 'in use' and when I try to repair it doesn't proceed. ...
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Correct way to find max in an Array in Swift

... Note in Swift 3 these have been renamed to simply min() and max(). – jemmons Jul 10 '16 at 14:55 ...