If you want to extend your solution to make sure the leading digit isn’t 0, there’s probably no super-concise way to write it; just be explicit: first = random.choice(range(1, 10)) leftover = set(range(10)) – {first} rest = random.sample(leftover, 3) digits = [first] + rest Notice that I’m taking advantage of the fact that sample takes … Read more
The first thing I want to tell you is that a Salesforce developer need not necessarily work for Salesforce. Like myself, I work on the Salesforce platform, I develop Visualforce pages and code in Apex language for a living. And I do not work for the company “Salesforce” aka SFDC. Salesforce is a company who … Read more
Here A is a class and B is another class right, Let’s take a simple addition example A(int x,int y) { b=new B(x+y);//let be a reference of class B //this will call B’s constructor } B(int z) { this.z=z;//lets’s assume that z is a variable in B class } 5 solved C pointers and objects … Read more
It looks like you have something wrong in your compiler settings. Maybe look at this question: CodeBlocks : [highlight: No such directory found All I did was go to “Compiler Settings” (“Settings” -> “Compiler” -> Global compiler settings), and selected “Reset Defaults”. Does that work for you? 1 solved CodeBlocks C++ program not running
This is some kind of obfuscation or micro-optimization: ret << 3 is ret * 8 ret << 1 is ret * 2 So (ret << 3) + (ret << 1) is actually ret * 10. Then, on common implementation, the integer value of the character ‘0’ is 48 (ascii value), so: (ret << 3) + … Read more
Your problem is that you don’t return any value at the end of your method. You can re write your method like this. It is more understandable and should fill your reqirments. public bool CanJoyride(int age, int cm, bool hasHeartCondition) { if (hasHeartCondition) return false; if(age >= 18 && cm >= 130 && cm <= … Read more
You will need to install the Oracle Client first. Google “Oracle Database Client windows” to find the download from Oracle’s site. 1) Install the 64-bit package first. (VERY important as there is a bug that messes things up if you install the x86 package first) 2) Change the install path to “C:\oracle\x64” 3) Once installed … Read more
You have a lot of error in your code : First Don’t ever name your variables with Upper letter in beginning, java use camelCase Second Don’t declare your variable with private public in your method. private ArrayList<Object> List = new ArrayList<Object>(); Third You can’t declare a method inside another method you have to close the … Read more
double sum = 0; //use a double instead of a float for (String str : strings) { sum += Double.parseDouble(str); //same as: sum = sum + Double.parseDouble(str); //+= means: add the value from the right of the operator (+=) to the left } System.out.println(sum); 0 solved How to addition of all the elements of an … Read more
Android studio takes more memory as well as internet because Android studio is capable of handling all the dependencies automatically (using gradle just like maven in java EE). All tools that does debugging on the real time occupied memory and process cycles. Also the emulator UI quality improved in Android Studio emulator in comparison to … Read more
There are many ways to do this. The one below is not what I would recommend, but I think it’s the easiest to understand. Here’s one way to do this: Create a public static property on your Form1 class to hold the value of this variable Use the property from step #1 for the MessageBox … Read more
A common way to visualise logical conditions like this is as a truth table: | 0 | 1 –+—— 0 | | –+—+– 1 | | Across the top, we have the possible values of $QuantityOrdered; down the side, the values of $QuantityShipped. In the grid, we put the result of the expression; I’ll use … Read more
Should be : import *.B public class A extends B { private A (java.lang.String[] args) { super(args); } } solved Java: How can I inherit a constructor from a superclass with “java.lang.String[] args” as a parameter?
public DateTime GetLastDayOfMonth(int year, int month) { month += 1; if (month>12) { month = 1; } return new DateTime(year, month, 1).AddDays(-1); } solved C# DateTime The last 1 days of each month [closed]
If you’re going to use C strings, you need to add a null terminator at the end of each string do { b[I][k]=a[j]; k++; } while(j+k<strlen(a) && a[j+k]!=’ ‘); b[I][k] = ‘\0’; As ppeterka noted, you also need to change your loop exit condition to avoid an infinite loop. Note also that the repeated calls … Read more