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Changing git commit message after push (given that no one pulled from remote)

I have made a git commit and subsequent push. I would like to change the commit message. If I understand correctly, this is not advisable because someone might have pulled from the remote repository before I make such changes. What if I know that no one has pulled? ...
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Pandas convert dataframe to array of tuples

I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe. ...
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Number of elements in a javascript object

... implementations might keep track of such a value internally, there's no standard way to get it. In the past, Mozilla's Javascript variant exposed the non-standard __count__, but it has been removed with version 1.8.5. For cross-browser scripting you're stuck with explicitly iterating over the pro...
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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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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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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 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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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 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. ...