11 questions
From the source code below,Is there a way to get out of the overlapped repeat door at once using break?int main(){ for(int i=0; i<A; i++){ //... for (int j=0 ; j<B; j++) { //... for (int k=0...
std::vector<int> numbers = { 1, 2, 3, 4, 5, 6, 7 };for ( auto xyz : numbers ){ std::cout << xyz << std::endl;}In C++0x, vector for for if you turn the xyz door like this, int type w...
I'd like to remove all elements that have null values from the ArrayList or String array in JavaFor me,for (Tourist t : tourists) { if (t != null) { t.setId(idForm); } }I tried turning around the ...
In Java, there's the same for syntax at the bottom. String[] myStringArray = {Hello,World};for(String s : myStringArray){ //Do something}Is this not available in JavaScript?
I'm changing the C++ algorithm to C#, and I saw a for statement like this. for (u = b.size(), v = b.back(); u--; v = p[v]) b[u] = v;Errors appear on C# and work well on C++.I don't know what this repe...
for i in range(10): print(i) if i == 9: print(Too big - I'm giving up!) break;else: print(Completed successfully)I don't know why you use else when you have a code like this.At first, I thought the ...
Why do you use > or < instead of != when increasing by 1 in the for statement?In the chords that other people made,I've rarely seen a for statement that increases by 1.Is there any special reaso...
What is the difference between the potential increase (++i) and the posterior increase (i++) in C?Which of the two should I use when I go around the for door?
Is there a good way to check if the list is null when going around for loop in Java?if (someList != null) { for (Object object : someList) { // // do whatever }}//I if (someList == null) { return; //...
std::map< std::string, std::map<std::string, std::string> >My brother m[name1][value1] = data1;m[name1][value2] = data2;m[name2][value1] = data1;m[name2][value2] = data2;m[name3][value1] =...
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