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This one should be quite simple. Find and explain the bug in each of the following code snippets: 1. 'main Sub Process_Globals End Sub Sub Globals Dim sql1 As SQL End Sub Sub Activity_Create(FirstTime As Boolean) If FirstTime Then sql1.Initialize(File.DirRootExternal, "1.db", False) End If End Sub 2. 'main Sub Process_Globals Public sql1 As SQL End Sub S...

unfortunately this quiz is not for you... In this quiz you need to add 2000 buttons to the main activity. Each... implements this quiz. An excellent answer is an answer that correctly implements this quiz and doesn...
link: Hmmm....Very :cool:. I had never thought of this approach before. Thank you....
link: B4J solution: http://www.b4x.com/basic4android/images/SS-2014-01-13_08.43.42.png Sub Process_Glob...
link: But it was fun for me to take the quiz and i´m proud of my version. Its not as good as erels...

", True) End If End Sub Solution: https://www.b4x.com/android/forum/threads/quiz-find-the-bug...
link: https://www.b4x.com/basic4android/images/SS-2017-01-12_11.52.15.png...
link: Can you find the bug here ??? https://www.b4x.com/basic4android/images/SS-2015-12-21_12.53.05.png ...
link: It is a "hot spot" mission: Sub MapFragment1_Click (Point As LatLng) If missionManage...

https://www.b4x.com/basic4android/images/PI7jrPEBiD.gif code: Sub Process_Globals Private fx A...
link: That's the correct answer. ????:D...
link: Good job! Dim r As Reflector #region Secret Dim cache() As Object = r.GetStaticField(&q...
link: They are 2, inside the region Image shows three! 110826...

Task: You have a compact json string and you want to understand its structure. You can of course us...
link: Button Parse Json Tree Sub btnParse_Action Try Dim parser As JSONParser parser....
link: OK, I'll just do it this way: If msg.IndexOf(" msgJSON = msg.as(JSON).ToList.A...
link: That's a solution to a different problem. What if I don't know what the JSON is? Sub IsJso...

Edit: Don't miss the bonus question in post #11. Back to high school quiz. In your code should be a sub with the following signature: Sub Func(x As Double) As Double The user implements this function. The user enters (directly in the code) any math function they like. The quiz is to draw the math function. Some examples (the red graph will be explained soon): Sub Func(x As Double) As Double Return x End Sub http://www.b4x.com/basic4android/images/SS-2014-01-26_10.57.37.png...

Sub Class_Globals Private Root As B4XView Private xui As XUI Private LastClickedTime As...
link: As it was solved very quickly and I want to entertain Luca a bit: https://www.b4x.com/basic4android...
link: Fun Fact: If you had a time machine and went back to 1970 - the above code would work because then t...
link: LastClickedTime = DateTime.Now You should write that line before End Sub...

I've implemented a hash table / map as part of the "teachers examples": https://www.b4...
link: No. Correct answer is that A, B and D will work. Good, then I will use B in my next project becau...
link: Only D has a chance of working. No. Correct answer is that A, B and D will work....
link: Only D has a chance of working. Developers you should know how Map works. Why do I need a map? W...

We want to check whether the two values are either non-negative or negative. If (Func1 >= 0 An...
link: I hate to rain on your parade @RandomCoder, but @JordiCP already offered that in the second post Dam...
link: It'll be a first if I have the answer right! I hate to rain on your parade @RandomCoder, but @Jo...
link: I love these quizzes that @Erel presents every now and then. I'd have done Func1 * Func2 as alre...

1. What is the difference between: Sub Activity_Create(FirstTime As Boolean) For Each link As St...
link: Edited: Corrected bad reply However, I think that this thread is emblematic to prove the difficulty...
link: I'm afraid to say that your feedback is not relevant if you haven't bothered to make the min...
link: Press on the home key and then back to the app Unless the OS kills the app in the meanwhile.....