有人能解释一下HackerRank的这段代码吗?
class DoNotTerminate {
public static class ExitTrappedException extends SecurityException {
private static final long serialVersionUID = 1;
}
public static void forbidExit() {
final SecurityManager securityManager = new SecurityManager() {
在Windows7上使用管理员帐户安装Node.js并验证它是否运行后,我尝试安装and服务器。
C:\nodejs> npm install connect
我得到以下npm-debug日志:
0 info it worked if it ends with ok
1 verbose cli [ 'C:\\nodejs\\\\node.exe',
1 verbose cli 'C:\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli 'install',
1 ve
在MSDN article for the EventLog Class中,它包含以下代码块: public static void Main(){
// Create the source, if it does not already exist.
if(!EventLog.SourceExists("MySource"))
{
//An event log source should not be created and immediately used.
//There is a latency time t