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What's the use of do while(0) when we define a macro? [duplicate]

...er foo holds. Edit: Further explanation at http://c-faq.com/cpp/multistmt.html and http://developer.apple.com/documentation/DeveloperTools/gcc-4.0.1/cpp/Swallowing-the-Semicolon.html#Swallowing-the-Semicolon share ...
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What's the difference between `=` and `

... avoid assigning globally. Look at these examples: mayin.org/ajayshah/KB/R/html/b1.html. If you used name<-"paypal", x<-2, ... it would set x at the top level. Try running that example but writing <- instead of = and see what happens. – Mark Byers Feb ...
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Make a bucket public in Amazon S3 [closed]

... a policy generator tool: https://awspolicygen.s3.amazonaws.com/policygen.html After that, you can enter the policy requirements for the bucket on the AWS console: https://console.aws.amazon.com/s3/home share | ...
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How can I beautify JSON programmatically? [duplicate]

... on html page, wrap your output in <pre></pre> tags – codefreak May 9 '13 at 7:21 ...
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how to check if a file is a directory or regular file in python? [duplicate]

...yway! You're looking for os.path.exists: docs.python.org/3/library/os.path.html#os.path.exists – b4ux1t3 Feb 12 at 14:06 add a comment  |  ...
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css3 drop shadow under another div, z-index not working [duplicate]

...ore i know that part of the code is working properly. i have the following html code: 3 Answers ...
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Maven equivalent for python [closed]

...lains basics: http://docs.activestate.com/activepython/3.2/diveintopython3/html/packaging.html In short, you will have setup.py file, which has dependency and script compilation/installation information, and you can build eggs, dist tarballs, binary tarballs, etc with it. ...
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Escape string for use in Javascript regex [duplicate]

...be. . . . . Test Case: A typical url escapeRegExp("/path/to/resource.html?search=query"); >>> "\/path\/to\/resource\.html\?search=query" The Long Answer If you're going to use the function above at least link to this stack overflow post in your code's documentation so that it does...
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How do I clear the content of a div using JavaScript? [closed]

...function clearBox(elementID) { document.getElementById(elementID).innerHTML = ""; } Then add the button on click event: <button onclick="clearBox('cart_item')" /> In JQuery (for reference) If you prefer JQuery you could do: $("#cart_item").html(""); ...
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Negative matching using grep (match lines that do not contain foo)

...ead a negative clause to the find command, e.g. find /home/baumerf/public_html/ -mmin -60 -not -name error_log If you want to include wildcards in the name, you'll have to escape them, e.g. to exclude files with suffix .log: find /home/baumerf/public_html/ -mmin -60 -not -name \*.log ...