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error: passing xxx as 'this' argument of xxx discards qualifiers

...ere the value type is the same as the key type, both iterator and const_iterator are constant iterators. It is unspecified whether or not iterator and const_iterator are the same type. So VC++ 2008 Dinkumware implementation is faulty. Old answer: You got that error because in certain...
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How to rollback a specific migration?

...nt to go back. For example: rake db:rollback STEP=5 Will also rollback all the migration that happened later (4, 3, 2 and also 1). To roll back all migrations back to (and including) a target migration, use: (This corrected command was added AFTER all the comments pointing out the error in the ...
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Data binding to SelectedItem in a WPF Treeview

...SelectedItemChanged += new RoutedPropertyChangedEventHandler<object>(___ICH); } void ___ICH(object sender, RoutedPropertyChangedEventArgs<object> e) { if (SelectedItem != null) { SetValue(SelectedItem_Property, SelectedItem); } } ...
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Create a new object from type parameter in generic class

...this in a non-generic way by passing the type into the constructor. class TestOne { hi() { alert('Hi'); } } class TestTwo { constructor(private testType) { } getNew() { return new this.testType(); } } var test = new TestTwo(TestOne); var example = test.ge...
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How to rename a file using Python

...3.7 ubuntu, works for me using relative paths – toing_toing Feb 28 '19 at 15:51 2 @toing_toing of...
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Conventions for exceptions or error codes

...on what you measure and how you measure. It's pretty easy to come up with tests that show exception-based APIs can be far faster. – Mooing Duck Jan 30 '14 at 0:04 1 ...
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How to remove elements from a generic list while iterating over it?

...e(i)); Alternately, you can use the RemoveAll method with a predicate to test against: safePendingList.RemoveAll(item => item.Value == someValue); Here's a simplified example to demonstrate: var list = new List<int>(Enumerable.Range(1, 10)); Console.WriteLine("Before:"); list.ForEach(...
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Node.js Unit Testing [closed]

Are there any good node.js (server side js) unit testing frameworks currently out there? I'm looking for something a little deeper than the Assert module provided. ...
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Multi-project test dependencies with gradle

...Gradle 5.6 and above use this answer. In Project B, you just need to add a testCompile dependency: dependencies { ... testCompile project(':A').sourceSets.test.output } Tested with Gradle 1.7. share | ...
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Android: how to make keyboard enter button say “Search” and handle its click?

...w v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_SEARCH) { performSearch(); return true; } return false; } }); share | ...