Putting the keyword static in front of a local variable declaration creates a special type of variable, a so-called static local variable. This variable keeps its value even after the method ends. The next time you call this method, the variable isn’…
文地址:http://blog.163.com/benben_long/blog/static/199458243201481102257544/ 本文就自己编程时候遇到的一个问题,简要描述一下,并提出解决的方法: 出错信息:The final local variable xxx cannot be assigned, since it is defined in an enclosing type“,其中xxx是一个局部变量名 首先这是一个java编译时的错误,翻译成中文是:不可变的局部变量…
In C, we cannot access a global variable if we have a local variable with same name, but it is possible in C++ using scope resolution operator (::). 1 #include<iostream> 2 using namespace std; 3 4 int x; // Global x 5 6 int main() 7 { 8 int x = 10;…
Following code explain how 'global' works in the distinction of global variable and local variable. var = 'Global Variable' print(var) def func1(): var = 'Local Variable' print(var) def func2(): print(var) def func3(): global var print (var) var = 'G…
Issue: When you install RDO stack on CentOS, you may encounter following error. Error: [root@localhost ~]# packstack --allinone ERROR:root:Failed to load plugin from file prescript_000.py ERROR:root:Traceback (most recent call last): File "/usr/lib/p…