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

... var sum = 0; for( var i = 0; i < elmt.length; i++ ){ sum += parseInt( elmt[i], 10 ); //don't forget to add the base } var avg = sum/elmt.length; document.write( "The sum of all the elements is: " + sum + " The average is: " + ...
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Could not locate Gemfile

... answered Jul 25 '10 at 16:40 JoniJoni 2,85733 gold badges2121 silver badges2222 bronze badges ...
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Is it correct to use JavaScript Array.sort() method for shuffling?

... 110 It's never been my favourite way of shuffling, partly because it is implementation-specific as y...
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How to set a single, main title above all the subplots with Pyplot?

...plotlib.pyplot as plt import numpy as np fig=plt.figure() data=np.arange(900).reshape((30,30)) for i in range(1,5): ax=fig.add_subplot(2,2,i) ax.imshow(data) fig.suptitle('Main title') # or plt.suptitle('Main title') plt.show() ...
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Node.js + Nginx - What now?

...ng like: # the IP(s) on which your node server is running. I chose port 3000. upstream app_yourdomain { server 127.0.0.1:3000; keepalive 8; } # the nginx server instance server { listen 80; listen [::]:80; server_name yourdomain.com www.yourdomain.com; access_log /var/log/...
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Putting an if-elif-else statement on one line?

...st likely violate PEP-8 where it is mandated that lines should not exceed 80 characters in length. It's also against the Zen of Python: "Readability counts". (Type import this at the Python prompt to read the whole thing). You can use a ternary expression in Python, but only for expressions, not f...
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Equivalent of String.format in jQuery

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Rails I18n validation deprecation warning

I just updated to rails 4.0.2 and I'm getting this warning: 5 Answers 5 ...
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iOS 7 TableView like in Settings App on iPad

...PathCreateMutable(); CGRect bounds = CGRectInset(cell.bounds, 10, 0); BOOL addLine = NO; if (indexPath.row == 0 && indexPath.row == [tableView numberOfRowsInSection:indexPath.section]-1) { CGPathAddRoundedRect(pathRef, nil, bounds, cornerRa...
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Difference between exit(0) and exit(1) in Python

What's the difference between exit(0) and exit(1) in Python? 5 Answers 5 ...