increment tag

4 questions

1 answers
72 views
0

--, Do ++

There is no posterior operator in Python, but there is a potential operator?So I used it, but the price doesn't increase.Why doesn't Python support front and rear increments like C++?a = 1++aprint a

python increment decrement operator

2 years ago

1 answers
76 views
0

What is the value of x if "x = x++"?

int x = 7;x = x++;What happens when there's a code like this?Does the variable increase after calculation and assign a value to itself? When I compiled it, x still has a value of 7. In my book, it say...

java post-increment operator

2 years ago

1 answers
147 views
0

What is the difference between inserting NULL or '' in the auto_increment column in mysql?

Example) member_tableno - auto increment,id - not null,pw - not null,email, phone, address $sql1= INSERT INTO member_table (no ,id, pw, email,phone,address) VALUES (NULL, '$id', '$pw', '$email', '$...

mysql insert auto_increment

2 years ago

2 answers
86 views
0

I want to know the difference between ++i and i++

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?

c for-loop post-increment pre-increment

2 years ago

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