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安裝中文字典英文字典辭典工具!
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- c++ - What does for(;;) mean? - Stack Overflow
In C and C++ (and quite a few other languages as well), the for loop has three sections: a pre-loop section, which executes before the loop starts;
- loops - When to use while or for in Python - Stack Overflow
There's no need to be dogmatic While their built-in semantics differ, it is obvious that any for can be written with a while (get the iterator and deal with it manually), and any while can be written with a for (create a contrived iterator that checks the while-condition and raises StopIteration-- or whatever the protocol is)
- unix - Shell script for loop syntax - Stack Overflow
Very few systems have a dedicated sh, instead making it a link to other another shell Ideally, such a shell invoked as sh would only support those features in the POSIX standard, but by default let some of their extra features through
- In . NET, which loop runs faster, for or foreach?
In C# VB NET NET, which loop runs faster, for or foreach? Ever since I read that a for loop works faster than a foreach loop a long time ago I assumed it stood true for all collections, generic collections, all arrays, etc
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Classic Mopar Forum for B Body platform Plymouth, Dodge and Chrysler automobile enthusiasts
- Iterating over dictionaries using for loops - Stack Overflow
It's not that key is a special word, but that dictionaries implement the iterator protocol You could do this in your class, e g see this question for how to build class iterators
- javascript - Difference between ( for. . . in ) and ( for. . . of . . .
The for of loop in our example iterates over the values of a data structure The values in this specific example are 'el1', 'el2', 'el3'
- Syntax of for-loop in SQL Server - Stack Overflow
If you are not expert in SQL, you should not be considering using a loop There are only a few conditions where one is needed and most of the rest of the time, using a loop is the equivalent of pushing your car instead of driving it
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