[Solved] Reverse first n items of the list and return it

[ad_1] >>> def reverse(n, lst): if n <= 0: return [] return lst[:n][::-1] + lst[n:] >>> reverse(4, [‘f’, ‘o’, ‘o’, ‘t’, ‘b’, ‘a’, ‘l’, ‘l’]) [‘t’, ‘o’, ‘o’, ‘f’, ‘b’, ‘a’, ‘l’, ‘l’] >>> Explanation: if n <= 0:: if n is less than or equal to zero… return []: return an empty list. Otherwise… … Read more

[Solved] Java: Creating an object, specified by a variable

[ad_1] In java, you can do this by using Reflection: Reflection is commonly used by programs which require the ability to examine or modify the runtime behavior of applications running in the Java virtual machine. For example: try { addObject(c.newInstance(),x,y); } catch (InstantiationException | IllegalAccessException e) { e.printStackTrace(); } For more about reflection, you can … Read more

[Solved] Power of two failed to pass the test

[ad_1] Are you sure that you are checking power of 2? Rather, being checked divisible with 2. If you are serious, use the piece of cake snippet return n > 0 && ((n & -n) == n); The second way, private static boolean powerOf2(int num) { if(num <= 0){ return false; } while(num > 1) … Read more

[Solved] Removing words from a string- Python 2.7

[ad_1] I think that is what you need: s=”Here Comes The Sun And I Say It Is Alright”.split() for i in range(2, len(s), 3): s[i] = s[i – 1] print(‘ ‘.join(s)) # ‘Here Comes Comes Sun And And Say It It Alright’ 8 [ad_2] solved Removing words from a string- Python 2.7

[Solved] I am suffering this error: (58,19): error CS0019: Operator ‘-‘ cannot be applied to operands of type ‘string’ and ‘int’ [closed]

[ad_1] I am suffering this error: (58,19): error CS0019: Operator ‘-‘ cannot be applied to operands of type ‘string’ and ‘int’ [closed] [ad_2] solved I am suffering this error: (58,19): error CS0019: Operator ‘-‘ cannot be applied to operands of type ‘string’ and ‘int’ [closed]

[Solved] take a word from the user and prints it as shown below. Enter the word: Word d rd ord Word [closed]

[ad_1] To get the expected output, you can make the outer loop loop from word.length() – 1 down to 0 instead: #include <cstddef> // std::size_t #include <iostream> #include <string> int main() { std::cout << “Enter the word:”; if (std::string word; std::cin >> word) { for (auto i = word.length(); i–;) { // <- here for … Read more

[Solved] Difference between ArrayList and Array of object [duplicate]

[ad_1] The short answer is arrays have a set size you define where as an arraylist has infinite size. You’ll learn a lot about them from the api https://docs.oracle.com/javase/7/docs/api/java/lang/reflect/Array.html https://docs.oracle.com/javase/7/docs/api/java/util/ArrayList.html [ad_2] solved Difference between ArrayList and Array of object [duplicate]

[Solved] DLLImport of the origin function in the DLL

[ad_1] If only kernel32.dll is being changed you could call ntdll.dll!NtReadVirtualMemory (ReadProcessMemory itself calls this function). If ntdll.dll is also seems to be changed by 3rd party process you could copy ntdll.dll to another temporary file (ntdll_copy.dll), and use it: [DllImport(“ntdll_copy.dll”, EntryPoint = “NtReadVirtualMemory”)] private static extern bool NtReadVirtualMemory(IntPtr hProcess, UIntPtr lpBaseAddress, [Out] byte[] lpBuffer, … Read more

[Solved] browser freezes with this js code, why?

[ad_1] You define numberOfFaces as 5, and then start a while loop which checks if that variable has a truthy value – anything above 0 is truthy. That variable will never change though, resulting in an infinite loop. You need to decrement it somewhere inside the loop using numberOfFaces–; or similar. Maybe like this: <script> … Read more

[Solved] How to Set ListView Adapter

[ad_1] try the following Adapter…… public class MyAdapter extends BaseAdapter { Context con; ArrayList<your type> mlist; RoomModel sched; public MyAdapter(Context con,ArrayList<your type> mlist ) { this.con=con; this.mlist=mlist; } @Override public int getCount() { // TODO Auto-generated method stub return mlist.length; } @Override public Object getItem(int position) { // TODO Auto-generated method stub return mlist[position]; } … Read more