a label can only be part of statement and a declaratioin is not a statement

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a label can only be part of statement and a declaratioin is not a statement

参考资料: https://stackoverflow.com/questions/18496282/why-do-i-get-a-label-can-only-be-part-of-a-statement-and-a-declaration-is-not-a 问题背景: 写了一段code,如下: #include<stdio.h> int main() { int a;switch (a) { : break; : int aa; break; : break; default: break…

error: a label can only be part of a statement and a declaration is not a statement

GCC: error: a label can only be part of a statement and a declaration is not a statement switch(a){ swtch(a){ case 1: case 1: .................... { .................... ............... .................... ............... break; ................ cas…

c 编译异常 switch 之a label can only be part of a statement and a declaration is not a statement

client.c:996: error: a label can only be part of a statement and a declaration is not a statement switch(a){case 1:............................................................break;case 2:break;} 在GCC下编译会出现如下错误:error: a label can only be part of a st…

[MySQL复制异常]'Cannot execute statement: impossible to write to binary log since statement is in row format and BINLOG_FORMAT = STATEMENT.'

MySQL复制错误]Last_Errno: 1666 Last_Error: Error executing row event: 'Cannot execute statement: imposs 收到email报警, Last_Error: Error executing row event: 'Cannot execute statement: impossible to write to binary log since statement is in row format and BI…

Namespace declaration statement has to be the very first statement in the script-去除bom头

今天准备测试小程序的签名加密,但是刚引入官方的“加密数据解密算法”文件到项目里,然后为每个文件添加命名空间的时候,不管怎么加都报“Namespace declaration statement has to be the very first statement in the script” 苦恼了10分钟才发现原来是bom头导致的. BOM头是放在UTF-8编码的文件的头部的,占用三个字节(0xEF 0xBB 0xBF,即BOM),用来标识该文件属于UTF-8编码.现在已经有很多软件识别BOM…

ERROR 1666 (HY000): Cannot execute statement: impossible to write to binary log since statement is in row format and BINLOG_FORMAT = STATEMENT.

centos7.5 binlog恢复数据失败问题: mysql> \. /tmp/inc.sql ERROR 1050 (42S01): Table 'new_1' already exists ERROR 1666 (HY000): Cannot execute statement: impossible to write to binary log since statement is in row format and BINLOG_FORMAT = STATEMENT. 原因: 新库用…

PHP错误：Namespace declaration statement has to be the very first statement in the script

PHP错误:Namespace declaration statement has to be the very first statement in the script 原因:意思就是“namespace声明应写在第一行”.其实我们的代码是写在第一行的,原因就在于文本的格式! 解决方式: 方法一:该文件有BOM头问题,使用文本编辑器(比如UE),另存为UTF-8 时,选择无BOM头即可. 方法二:用系统建个纯txt文本,把名字(包括扩展名),如改成build.class.php代码内容复制过…