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How to remove “disabled” attribute using jQuery?

...fault(); $('.inputDisabled').prop("disabled", false); // Element(s) are now enabled. }); jsFiddle example here. Why use prop() when you could use attr()/removeAttr() to do this? Basically, prop() should be used when getting or setting properties (such as autoplay, checked, disabled and ...
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Using querySelectorAll to retrieve direct children

...do "combinator rooted queries" (as John Resig called them) did not exist. Now the :scope pseudo-class has been introduced. It is not supported on [pre-Chrominum] versions of Edge or IE, but has been supported by Safari for a few years already. Using that, your code could become: let myDiv = getEle...
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Update R using RStudio

...ork for you, try using installed.packages() to find the proper pathnames.] now you can update your packages by typing update.packages() in your RStudio console, and answering 'y' to all of the prompts. > update.packages(checkBuilt=TRUE) class : Version 7.3-7 installed in /Library/Frameworks/R.f...
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How to remove the lines which appear on file B from another file A?

...e a set, where there won't be any duplicate values (keys) !($0 in a) we're now in the next file(s), in is a contains test, here it's checking whether current line is in the set we populated in the first step from the first file, ! negates the condition. What is missing here is the action, which by...
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How to compile a 64-bit application using Visual C++ 2010 Express?

...ind your project, hit the Platform drop-down, select New, then select x64. Now change the "Active solution platform" drop-down menu to "x64." When you return to the Properties dialog box, the "Platform" drop-down should now read "x64." Finally, change your toolset. In the Properties menu of your pr...
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Best way to check if object exists in Entity Framework?

... I know this is a very old thread but just incase someone like myself needs this solution but in VB.NET here's what I used base on the answers above. Private Function ValidateUniquePayroll(PropertyToCheck As String) As Boolean ...
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Maven Modules + Building a Single Specific Module

... For anyone hitting this page in 2011, this is the better answer. There's now better support for multi-modules within maven itself (Maven 2.1 and above), you don't need to use the reactor plugin. – Spedge May 20 '11 at 9:39 ...
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pycharm running way slow

...hon file was focused in the editor, but this was fixed with version 5. But now with version 2016.1.2 the IDE seems to randomly start using >50% even with all editor files closed and nothing running and in Power Save mode, and it carries on indefinitely until I close PyCharm, and soon starts again...
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why windows 7 task scheduler task fails with error 2147942667

...e i am running it using the option Run whether user is logged on or not . Now when i run the task it is not working. I get following 2 errors. I don't understand this error. Please help me resolve this issue. ...
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How to implement history.back() in angular.js

... I've changed the example a bit. Now there are two buttons (back and forward). It uses jQuery now, which means scope.$apply() is needed on click. – asgoth Dec 28 '12 at 14:24 ...