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sed command with -i option failing on Mac, but works on Linux

... If you use the -i option you need to provide an extension for your backups. If you have: File1.txt File2.cfg The command (note the lack of space between -i and '' and the -e to make it work on new versions of Mac and on GNU): sed -i'.original' -e 's/old_link/new_link/g' * Crea...
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What is a user agent stylesheet?

I'm working on a web page in Google Chrome. It displays correctly with the following styles. 13 Answers ...
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How to print out all the elements of a List in Java?

...e your model and add to models ArrayList, to prevent NullPointerException for trying this example // Print the name from the list.... for(Model model : models) { System.out.println(model.getName()); } // Or like this... for(int i = 0; i < mode...
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Using sections in Editor/Display templates

I want to keep all of my JavaScript code in one section; just before the closing body tag in my master layout page and just wondering the best to go about it, MVC style. ...
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Practical non-image based CAPTCHA approaches?

It looks like we'll be adding CAPTCHA support to Stack Overflow. This is necessary to prevent bots, spammers, and other malicious scripted activity. We only want human beings to post or edit things here! ...
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unit testing of private functions with mocha and node.js

I am using mocha in order to unit test an application written for node.js 9 Answers 9 ...
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Convert float to double without losing precision

...ouble. Simply casting the float to double gives me weird extra precision. For example: 10 Answers ...
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How to check internet access on Android? InetAddress never times out

I got a AsyncTask that is supposed to check the network access to a host name. But the doInBackground() is never timed out. Anyone have a clue? ...
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How can I tell how many objects I've stored in an S3 bucket?

...ow and suck bandwidth - amazon seems to never compress the XML responses), or log into your account on S3, and go Account - Usage. It seems the billing dept knows exactly how many objects you have stored! Simply downloading the list of all your objects will actually take some time and cost some mo...
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How do I tell Spring Boot which main class to use for the executable jar?

My project has more than one class with a main method. How do I tell the Spring Boot Maven plugin which of the classes it should use as the main class? ...