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Shell command to sum integers, one per line?

I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers. ...
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jQuery Call to WebService returns “No Transport” error

... 1 Take a look at this blog post. Update 2 If this is indeed the problem (and I suspect it is), you might want to check out JSONP as a solution. Here are a few links that might help you get started: https://en.wikipedia.org/wiki/JSON http://remysharp.com/2007/10/08/what-is-jsonp/ http://www.west-...
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Difference between len() and .__len__()?

...y calling an object's __len__ method. __something__ attributes are special and usually more than meets the eye, and generally should not be called directly. It was decided at some point long ago getting the length of something should be a function and not a method code, reasoning that len(a)'s mean...
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When do I need to use a semicolon vs a slash in Oracle SQL?

...nits" of work (creating a PL/SQL object, running a PL/SQL anonymous block, and executing a DML statement) can be picked out more easily by eye. Also, if you eventually move to something like Ant for deployment it will simplify the definition of targets to have a consistent statement delimiter. ...
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The differences between .build, .create, and .create! and when should they be used?

So I've been seeing people using .build , .create , and .create! within their controllers more and more lately. What's the difference from just using .new and passing the param'd object and then .save ? Are there pros and cons? Does using these other methods offer benefits? ...
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IntelliJ inspection gives “Cannot resolve symbol” but still compiles code

... First of all you should try File | Invalidate Caches and if it doesn't help, delete IDEA system directory. Then re-import the Maven project and see if it helps. In some weird cases compiled classes may report wrong info and confuse IDEA. Verify that the classes from this jar r...
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Split code over multiple lines in an R script

... issue, try R> setwd(paste("~/a/very/long/path/here", "/and/then/some/more", "/and/then/some/more", "/and/then/some/more", sep="")) which also illustrates that it is perfectly fine to break code across multiple lines. ...
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Basic HTTP authentication with Node and Express 4

...n: 'yourlogin', password: 'yourpassword'} // change this // parse login and password from headers const b64auth = (req.headers.authorization || '').split(' ')[1] || '' const [login, password] = Buffer.from(b64auth, 'base64').toString().split(':') // Verify login and password are set and co...
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Graphical DIFF programs for linux [closed]

... I know of two graphical diff programs: Meld and KDiff3. I haven't used KDiff3, but Meld works well for me. It seems that both are in the standard package repositories for openSUSE 11.0 share ...
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how to change default python version?

... in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version? ...