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StringBuilder vs String concatenation in toString() in Java
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Version 1 is preferable because it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever.
More importantly given we have only 3
properties it might not make a
difference, but at what point do you
switch from conc...
What does InitializeComponent() do, and how does it work in WPF?
What does InitializeComponent() do, and how does it work in WPF?
2 Answers
2
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“unrecognized selector sent to instance” error in Objective-C
I created a button and added an action for it, but as soon as it invoked, I got this error:
38 Answers
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Concat all strings inside a List using LINQ
... (i.Boo + delimiter + j.Boo)}).Boo);
Console.ReadKey();
}
}
And here is my best :)
items.Select(i => i.Boo).Aggregate((i, j) => i + delimiter + j)
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Is Java's assertEquals method reliable?
...hat String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTrue(str1.equals(str2)) , but then you don't get the benefit of seeing what ...
How to get a subset of a javascript object's properties
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Using Object Destructuring and Property Shorthand
const object = { a: 5, b: 6, c: 7 };
const picked = (({ a, c }) => ({ a, c }))(object);
console.log(picked); // { a: 5, c: 7 }
From Philipp Kewisch:
This is really just an anon...
SQL to find the number of distinct values in a column
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can you expand this example to distinct on multiple columns?
– eugene
Mar 5 '15 at 6:41
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Seeing the console's output in Visual Studio 2010?
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jonsca: i have a namespace in play and why can i just use console.writeline, i want my program to write to the console its not only for testing reasons??
– r3x
Mar 14 '11 at 16:16
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PyLint “Unable to import” error - how to set PYTHONPATH?
...inside Wing IDE on Windows. I have a sub-directory (package) in my project and inside the package I import a module from the top level, ie.
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Adding HTML entities using CSS content
...haracters being interpreted as part of the escape sequence reliably, add standard white-space: '>\a0 bc' is displayed > bc.
– PointedEars
Dec 21 '11 at 19:41
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