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How do I close an open port from the terminal on the Mac?

...w | edited Apr 3 '15 at 11:51 Ram Patra 13.9k1212 gold badges5858 silver badges6969 bronze badges ...
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Using an SSH keyfile with Fabric

...tching gist). Basically, the usage goes something like this: from fabric.api import * env.hosts = ['host.name.com'] env.user = 'user' env.key_filename = '/path/to/keyfile.pem' def local_uname(): local('uname -a') def remote_uname(): run('uname -a') The important part is setting the en...
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Test or check if sheet exists

... Some folk dislike this approach because of an "inappropriate" use of error handling, but I think it's considered acceptable in VBA... An alternative approach is to loop though all the sheets until you find a match. Function WorksheetExists(shtNam...
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AWS S3: The bucket you are attempting to access must be addressed using the specified endpoint

...-west-1', with what? – Aamir Afridi Apr 2 '16 at 23:22 @AamirAfridi it depends on which SDK you're using. I'm using iO...
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AWS S3 copy files and folders between two buckets

...e bucket at once. Thanks! – odigity Apr 3 '14 at 16:54 It throws the following error A client error (PermanentRedirect...
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How do I print out the contents of an object in Rails for easy debugging?

...e found that some YAML outputs of records display more data (metadata, perhaps?) than I care to see. If I'm looking for the YAML version of a record I'll use y record_name.attributes. #y is an alias for to_yaml. – Tass Jan 14 '16 at 15:16 ...
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How do I move to end of line in Vim?

... You can use A to move to the end of the line and switch to editing mode (Append). To jump the last non-blank character, you can press g then _ keys. The opposite of A is I (Insert mode at beginning of line), as an aside. Pressing just the ^ will place your cursor at the first non-white-space ch...
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How to split a comma-separated value to columns

...a code-only answer and does not even solve the issue There are much better approaches around! For SQL-Server 2016+ look for STRING_SPLIT() (which does not carry the fragment's position, a huge fail!) or the really fast JSON-hack. For older version look for the well-known XML-hack (json and xml detai...
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adding and removing classes in angularJs using ng-click

...nge it from the controller. Here is an example of how to do this: var app = angular.module("ap",[]); app.controller("con",function($scope){ $scope.class = "red"; $scope.changeClass = function(){ if ($scope.class === "red") $scope.class = "blue"; else $scope.clas...
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How to “pretty” format JSON output in Ruby on Rails

... The original poster said nothing about where in a Rails app he wants to use this, so I answered with a line of Ruby that will work anywhere. To use it to generate the JSON response in a Rails controller, you already answered your own question: format.json { render :json => JSO...