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How to make the tab character 4 spaces instead of 8 spaces in nano?

...d idea to convert tabs to spaces. Edit your ~/.nanorc file (or create it) and add: set tabsize 4 set tabstospaces If you already got a file with tabs and want to convert them to spaces i recommend the expandcommand (shell): expand -4 input.py > output.py ...
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What should I use Android AccountManager for?

I've seen AccountManager in the Android SDK and that it is used for storing account information. Thus, I cannot find any general discussion of what it is intended for. Does anyone know of any helpful discussions of what the intention behind AccountManager is and what it buys you? Any opinions of wha...
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Sleeping in a batch file

... UPDATE The timeout command, available from Windows Vista and onwards should be the command used, as described in another answer to this question. What follows here is an old answer. Old answer If you have Python installed, or don't mind installing...
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How to use Session attributes in Spring-mvc

...)request.getSession().setAttribute("cart",value); return "testJsp"; } and you can get it from controller like this : ShoppingCart cart = (ShoppingCart)session.getAttribute("cart"); Make your controller session scoped @Controller @Scope("session") Scope the Objects ,for example you have user...
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Private and protected constructor in Scala

...vate/protected by inserting the appropriate keyword between the class name and the parameter list, like this: class Foo private () { /* class body goes here... */ } share | improve this answer ...
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Convert Iterator to ArrayList

...tor to ArrayList<Element> (or List<Element> ) in the best and fastest way possible, so that we can use ArrayList 's operations on it such as get(index) , add(element) , etc. ...
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How can I access “static” class variables within class methods in Python?

...e self.bar or Foo.bar. Assigning to Foo.bar will create a static variable, and assigning to self.bar will create an instance variable. share | improve this answer | follow ...
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What is a git topic branch?

... Topic branches are typically lightweight branches that you create locally and that have a name that is meaningful for you. They are where you might do work for a bug fix or feature (they're also called feature branches) that is expected to take some time to complete. Another type of branch is the ...
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Difference between List, List, List, List, and List

...the differences between List, List<?>, List<T>, List<E>, and List<Object>? 10 Answers ...
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Why doesn't Git ignore my specified file?

... Make sure that your .gitignore is in the root of the working directory, and in that directory run git status and copy the path to the file from the status output and paste it into the .gitignore. If that doesn’t work, then it’s likely that your file is already tracked by Git. You can confirm...