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How to compute the sum and average of elements in an array?

I am having problems adding all the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below. ...
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Android device chooser - My device seems offline

...n application and i was planning to deploy it to my HTC Desire. I have installed USB driver. I turned on USB debugging on the phone and choosed charge only when phone plugged-in. When I run application Android device chooser show my device offline. I am stuck at this point. Any help would be appreci...
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Why use JUnit for testing?

Maybe my question is a newbie one, but I can not really understand the circumstances under which I would use junit ? 11 An...
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check if a std::vector contains a certain object? [duplicate]

Is there something in <algorithm> which allows you to check if a std:: container contains something? Or, a way to make one, for example: ...
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var functionName = function() {} vs function functionName() {}

...); function functionTwo() { console.log("Hello!"); } Historically, function declarations defined within blocks were handled inconsistently between browsers. Strict mode (introduced in ES5) resolved this by scoping function declarations to their enclosing block. 'use strict'; ...
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How to remove a package from Laravel using composer?

...following command will remove the package from vendor (or wherever you install packages), composer.json and composer.lock. Change vendor/package appropriately. composer remove vendor/package Obviously you'll need to remove references to that package within your app. I'm currently running the ...
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Validate that a string is a positive integer

...nclude 0, even though 0 is not positive. I include notes if you want to disallow 0. Based on Parsing If you want it to be a normalized decimal integer string over a reasonable range of values, you can do this: function isNormalInteger(str) { var n = Math.floor(Number(str)); return n !== I...
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How do I find the most recent git commit that modified a file?

...ts looking at the history of specific files (and directories), so you can call it like this: git log my/file.c If you really only want to list the one most recent commit, for example to use it in a script, use the -n 1 option: git log -n 1 --pretty=format:%H -- my/file.c --pretty=format:%h tel...
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“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]

... Hmm thats weird. Can you make sure that the process that segfaults actually is the on you are attached gdb to? check dmesg for the pid of the segfaulted process. – Mattias Wadman Aug 19 '12 at 19:54 ...
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How do I fetch a single model in Backbone?

... @SimplGy that works because model.id is essentially synonymous with model.attributes.id. If you call model.set('id'), Backbone sets model.id to whatever you specified. And model.id is what gets used when creating the model-specific URL. – Lambart ...