[Solved] Interpose C struct function pointer

If I understand correctly, you want all calls to sub (or rather _Z3subP7AStructii) to actually be calling your _sub function instead? The problem is that when the “client” calls some_astruct->sub(…) it doesn’t actually call _Z3subP7AStructii directly, and therefore your _sub function won’t be called. In other words, the “client” doesn’t have a call to _Z3subP7AStructii, … Read more

[Solved] I don’t understand this common java principle [duplicate]

Consider Apollo’s comment and google it. This is not only a java principle but a generall programming principle. You’re creating a new Answer Object. Let’s look at this example: public class Answer{ // The class private String answer; // internal variable only visible for the class public Answer(String answer){ // This is a constructor this.answer … Read more

[Solved] Auto Generate a ProductID along with a Sting Prefix in MVC [closed]

I Used Random function in MVC, and Solved this Problem With Following : Firstly created a random String Generator: private static Random random = new Random(); public static string RandomString(int length) { const string chars = “ABCDEFGHIJKLMNOPQRSTUVWXYZ”; return new string(Enumerable.Repeat(chars, length) .Select(s => s[random.Next(s.Length)]).ToArray()); } Then created a random Number Generator: public static int randomNoGenerator() … Read more

[Solved] What is the best way of learning Digital Image processing? [closed]

The only problem with MATLAB, for a beginner, is that it is really expensive. Some universities buy it without the Image Processing Toolbox, in which case it is not so useful. Octave is well supported by the open source community, that is another alternative “Processing” is a language that is easy to learn and powerful. … Read more

[Solved] How do I open the default contacts screen on Android? [closed]

Hey there and welcome to StackOverflow AND Android development. In order to open the contacts screen, you need to capture the OnClick event for your button and create an intent to open the contact screen. Something like this: Button myButton = (Button) myLayout.findViewById(R.id.myButton); myButton..setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent intent= new … Read more

[Solved] MySQL Query to Oracle SQL [closed]

All you need to do is remove the < and > characters: SELECT r1.rnr, r1.anaam FROM regisseur r1, regisseur r2 WHERE r2.anaam = ‘input last name director’ AND r1.gdatum < r2.gbdatum Here’s a working demo on SQLFiddle. Presuming you don’t have a good reason to SELECT from regisseur twice, this can be further condensed down … Read more

[Solved] How to count number of rows in a table when table row is added dynamically [closed]

The DOM element for the <table> will have a rows collection: document.getElementById(‘table-id’).rows.length; You can also select the rows in supporting browsers: document.querySelectorAll(‘#table-id > tr’).length; Or if you’re using a library such as jQuery: $(‘#table-id > tr’).length; 5 solved How to count number of rows in a table when table row is added dynamically [closed]

[Solved] how do i iterate across a json array? [closed]

objectVariableName.output.description; This will return an object with a single key “wikipedia” that has an array value with one element, which is probably the description you want. objectVariableName.output.description.wikipedia[0] solved how do i iterate across a json array? [closed]

[Solved] Count Numbers of 0 and 1 in an array

Assuming you only continues values(0,1,2,3….) int[] A = {0, 0, 0, 0, 1, 1, 1, 2, 2, 2}; // any number and values will work! int max = IntStream.of(A).max().getAsInt(); // gets max value in array int[] counter = new int[max + 1]; for (int i = 0; i < A.length; ++i) counter[A[i]]++; 4 solved Count … Read more

[Solved] Simple Double Split [duplicate]

The real simplest way to do this is to use regular expressions, not gobs of split and indexof operations. Regular expressions allow you to specify a pattern out of which pieces of a string can be extracted in a straightforward fashion. If the format changes, or there is some subtlety not initially accounted for, you … Read more

[Solved] why does this program not work? [closed]

While your code is really messy (and not easy to read) your problem is that you are adding a different instance of Sc to the Pane rather than adding the one you were drawing on: frame.getContentPane().add(new Sc()); Instead you have to add “this” which you can’t do from a static method, but you can create … Read more