How do you format an unsigned long long int using printf?
Use the ll (el-el) long-long modifier with the u (unsigned) conversion. (Works in windows, GNU).
syntax
Why is System.out.print() not working?
You can’t use a method while declaring the attributes/methods for a class. The code should be something like this EDIT: based in your comment, this is what you’re trying to achieve:
Python def marked as invalid syntax
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 7 years ago. Im working on a (in-shell) geometry calculator in Python, and I get a syntax error everytime marked as the def … Read more
What does @@variable mean in Ruby?
A variable prefixed with @ is an instance variable, while one prefixed with @@ is a class variable. Check out the following example; its output is in the comments at the end of the puts lines: You can see that @@shared is shared between the classes; setting the value in an instance of one changes the value for all other instances of that class and … Read more
What does ‘wb’ mean in this code, using Python?
File mode, write and binary. Since you are writing a .jpg file, it looks fine. But if you supposed to read that jpg file you need to use ‘rb’ More info On Windows, ‘b’ appended to the mode opens the file in binary mode, so there are also modes like ‘rb’, ‘wb’, and ‘r+b’. Python on … Read more
Syntax error on token “;”, { expected after this token in Random string creator
In Java, you cannot directly write the executable statements in class. You need to move your code in a method. Only variables declaration is allowed outside the method/blocks. Just for the sake of testing, ,move everthing to main method. Try this: Note: system.out.println(arrayList); will throw an error because there is no varaible called arrayList, i think it should … Read more
Inline for loop
What you are using is called a list comprehension in Python, not an inline for-loop (even though it is similar to one). You would write your loop as a list comprehension like so: When using a list comprehension, you do not call list.append because the list is being constructed from the comprehension itself. Each item … Read more
Best way to “negate” an instanceof
No, there is no better way; yours is canonical.
No Multiline Lambda in Python: Why not?
Look at the following: Is this a lambda returning (y, [1,2,3]) (thus map only gets one parameter, resulting in an error)? Or does it return y? Or is it a syntax error, because the comma on the new line is misplaced? How would Python know what you want? Within the parens, indentation doesn’t matter to python, so you … Read more
Cross-reference (named anchor) in markdown
should be the correct markdown syntax to jump to the anchor point named pookie. To insert an anchor point of that name use HTML: Markdown doesn’t seem to mind where you put the anchor point. A useful place to put it is in a header. For example: works very well. (I’d demonstrate here but SO’s … Read more