I would try this: var array:[[Person]] = [[person1, person2, person3], [person9, person10, person11]] /*Casting it like this should keep from getting an error later and/or having to recast the objects*/ for people in array { /*This is going to look at each array in arrays, and call each one ‘people’ within this loop*/ for person … Read more
byte is a 1-byte type so can vary between -128…127, so condition i < 128 is always true. When you add 1 to 127 it overflows and becomes -128 and so on in a (infinite) loop…
Unfortunately, you can’t put the increment into the range based for loop. However, in your specific case – as std::vector stores its elements contigously in memory – you can simulate option 2 by falling back to pointers (thanks to @M.M and @Jarod42 for corrections and improvements): for ( const int& val : v ) { … Read more
If I understand correctly, what you want to do, in pseudo-code is the following: for (Tweet tweet : tweets) { if (!db.containsTweet(tweet.getId())) { db.insertTweet(tweet.getText(), tweet.getId()); } } I assume your db class actually uses an sqlite database as a backend? What you could do is implement containsTweet directly and just query the database each time, … Read more
Here’s how to use product: x1 = range(min1, max1, step1) x2 = range(min2, max2, step2) x3 = range(min3, max3, step3) … for v1, v2, v3, v4, v5, v6 in itertools.product(x1, x2, x3, x4, x5, x6): do_something_with(v1, v2, v3, v4, v5, v6) or a bit more compactly: ranges = [ range(min1, max1, step1), range(min2, max2, step2), … Read more
When the built in enumerate() function is called on a list, it returns an object that can be iterated over, returning a count and the value returned from the list. for i, val in enumerate(array): array[i] += 1
JavaScript has a foreach-style loop (for (x in a)), but it is extremely bad coding practice to use it on an Array. Basically, the array.length approach is correct. There is also a a.forEach(fn) method in newer JavaScripts you can use, but it is not guaranteed to be present in all browsers – and it’s slower … Read more
There is no need to use find. You could try the following: for file in /path/to/directory/**/*(.); do echo $file; done or for file in /path/to/directory/**/*(.); echo $file the ** pattern matches multiple directories recursively. So a/**/b matches any b somewhere below a. It is essentially matches the list find a -name b produces. (.) is … Read more
You can use label. Have a labeled statement and break to that label. outerLoop is the label I have used here. //code before outerLoop: for (var a in b) { switch (something) { case ‘case1’: //code inside break outerLoop; } } //code after