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Is there a method to generate a UUID with go language

...amp; 0x4F // what's the purpose ? These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though. If you are on linux, ...
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Xcode/Simulator: How to run older iOS version?

...s in your binary you will not be able to run it on anything before iOS 4.0 and it will be rejected if you try and submit a binary like this. You can still run the simulator from 3.2 onwards after upgrading. In the iPhone Simulator try selecting Hardware -> Version -> 3.2 ...
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Extending from two classes

... You can only Extend a single class. And implement Interfaces from many sources. Extending multiple classes is not available. The only solution I can think of is not inheriting either class but instead having an internal variable of each class and doing more o...
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adding and removing classes in angularJs using ng-click

... You just need to bind a variable into the directive "ng-class" and change 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 (...
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Ignore python multiple return value

...= func()[0] to return the first value, x = func()[1] to return the second, and so on. If you want to get multiple values at a time, use something like x, y = func()[2:4]. share | improve this answe...
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URL encoding the space character: + or %20?

When is a space in a URL encoded to + , and when is it encoded to %20 ? 4 Answers 4 ...
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Difference between map and collect in Ruby?

I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails? ...
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How to get the first item from an associative PHP array?

... What if i want to get the key and value? – Timberman Jul 13 at 12:44 add a comment  |  ...
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How to undo “git commit --amend” done instead of “git commit”

...Note that HEAD@{1} is pointing somewhere different from the # previous command. It's now pointing at the erroneously amended commit.) git commit -C HEAD@{1} share | improve this answer | ...
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?

... lightweight front-controller. I need to match request paths to different handlers (actions) in order to choose the correct one. ...