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is it possible to update UIButton title/text programmatically?

...ou have the button specified as an IBOutlet in your view controller class, and is it connected properly as an outlet in Interface Builder (ctrl drag from new referencing outlet to file owner and select your UIButton object)? That's usually the problem I have when I see these symptoms. Edit: Whil...
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Return multiple values in JavaScript?

... first: getFirstValue(), second: getSecondValue(), }; } And to access them: var values = getValues(); var first = values.first; var second = values.second; Or with ES6 syntax: const {first, second} = getValues(); * See this table for browser compatibility. Basically, all mod...
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How to check if running as root in a bash script

I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits. ...
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Visual Studio Editor does not underline errors anymore

... or the MVC Beta (which I guess is unlikely). Furthermore have I installed and uninstalled both CodeRush and Resharper for evaluation purposes (decided not to keep either one of them). ...
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What is size_t in C?

... From Wikipedia: According to the 1999 ISO C standard (C99), size_t is an unsigned integer type of at least 16 bit (see sections 7.17 and 7.18.3). size_tis an unsigned data type defined by several C/C++ standards, e.g. the C99 ISO/IEC 9899 standard, that ...
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How do I create a custom Error in JavaScript?

... Update your code to assign your prototype to the Error.prototype and the instanceof and your asserts work. function NotImplementedError(message) { this.name = "NotImplementedError"; this.message = (message || ""); } NotImplementedError.prototype = Error.prototype; However, I wou...
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How can I do test setup using the testing package in Go

...outlined here in the Main section: TestMain runs in the main goroutine and can do whatever setup and teardown is necessary around a call to m.Run. It should then call os.Exit with the result of m.Run It took me some time to figure out that this means that if a test contains a function func...
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Why is document.write considered a “bad practice”?

I know document.write is considered bad practice; and I'm hoping to compile a list of reasons to submit to a 3rd party vendor as to why they shouldn't use document.write in implementations of their analytics code. ...
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What is the difference between “Flush Magento Cache” and “Flush Cache Storage” in magento's cache ma

What is the difference between "Flush Magento Cache" and "Flush Cache Storage" in magento's cache management? 10 Answers ...
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How to go back (ctrl+z) in vi/vim

... to Vim] there is a shortcut Ctrl + Z when you have done something nasty and want to return to the previous version of the text. Like BACK button in Word. I wonder how can you achieve this behaviour in Vim. ...