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Swift how to sort array of custom objects by property value
lets say we have a custom class named imageFile and this class contains two properties.
18 Answers
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Why would anybody use C over C++? [closed]
Although people seem to like to complain about C++, I haven't been able to find much evidence as to why you would want to choose C over C++. C doesn't seem to get nearly as much flak and if C++ has all these problems why can't you just restrict yourself to the C subset? What are your thoughts/expe...
valueOf() vs. toString() in Javascript
In Javascript every object has a valueOf() and toString() method. I would have thought that the toString() method got invoked whenever a string conversion is called for, but apparently it is trumped by valueOf().
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sql query to return differences between two tables
I am trying to compare two tables, SQL Server, to verify some data. I want to return all the rows from both tables where data is either in one or the other. In essence, I want to show all the discrepancies. I need to check three pieces of data in doing so, FirstName, LastName and Product.
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Mocha / Chai expect.to.throw not catching thrown errors
I'm having issues getting Chai's expect.to.throw to work in a test for my node.js app. The test keeps failing on the thrown error, but If I wrap the test case in try and catch and assert on the caught error, it works.
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UPDATE multiple tables in MySQL using LEFT JOIN
I have two tables, and want to update fields in T1 for all rows in a LEFT JOIN.
5 Answers
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Comparing strings with == which are declared final in Java
I have a simple question about strings in Java. The following segment of simple code just concatenates two strings and then compares them with == .
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What is the difference between “pom” type dependency with scope “import” and without “import”?
Starting from Maven 2.0.9 there is possibility to include
3 Answers
3
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Android emulator shows nothing except black screen and adb devices shows “device offline”
I am just trying to start development in Android.
So, the problem is that when I try to launch an emulator by issuing the command emulator @A2 , an emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or t...
Is it possible to determine whether ViewController is presented as Modal?
Is it possible to check inside ViewController class that it is presented as modal view controller?
14 Answers
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