see the following two examples, the conclusion is that we should define variable in the loop if it can. //test1.cc outside the loop #include<stdio.h> int main() { int tmp = 0; for (int i = 0; i < 64; ++i) { tmp = i; } return 0; } //test2.cc insid…
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…
原文网址:http://blog.csdn.net/yuanjingjiang/article/details/34857623 Please define the NDK_PROJECT_PATH variable to point to it 在用ndk-buld 编译c/c++工程的时候, 会遇到上面提示的错误原因是你的当前目录不是一个名为"jni"的目录, 所以NDK_PROJECT_PATH, APP_BUILD_SCRIPT, NDK_APPLICATION_MK 是一个空…
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…
