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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
... (int?)null;
Basically what is happening is that conditional operator is unable to determine the "return type" of the expression. Since the compiler implictitly decides that 10 is an int it then decides that the return type of this expression shall be an int as well. Since an int cannot be null...
How to insert a value that contains an apostrophe (single quote)?
... identifier). Until last year when somebody told me his password and I was unable to login in to his system. we could not figure out until hours that I am typing ' as `.
– Learner
Apr 11 '19 at 8:48
...
get UTC time in PHP
...
@bksi I'm unable to repeat your described behaviour. (My machine is not on GMT and my UNIX timestamps are correct. Also gmdate("U") == time().) Sounds like potentially buggy behaviour. Double check and file a bug with the PHP project.
...
NPM clean modules
...path.join(process.cwd(), packageFileName))) {
console.log(util.format("Unable to find file '%s'.", packageFileName));
process.exit();
}
deleteFolder(path.join(process.cwd(), modulesDirName));
process.env.npm_config_cache = cacheDirectory;
downloadSource(process.cwd());
...
Is Tomcat running?
...e installed Tomcat8 on Ubuntu, but going to localhost:8080 results in the "Unable to connect" message.
– ibodi
Aug 9 '18 at 12:18
1
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...它:
shell> service syslog stop
shell> service rsyslog start
如果运行Rsyslog时出现问题,那么可以通过激活调试模式来查找原因:
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use th...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...它:
shell> service syslog stop
shell> service rsyslog start
如果运行Rsyslog时出现问题,那么可以通过激活调试模式来查找原因:
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use th...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...它:
shell> service syslog stop
shell> service rsyslog start
如果运行Rsyslog时出现问题,那么可以通过激活调试模式来查找原因:
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use th...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...它:
shell> service syslog stop
shell> service rsyslog start
如果运行Rsyslog时出现问题,那么可以通过激活调试模式来查找原因:
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use th...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...它:
shell> service syslog stop
shell> service rsyslog start
如果运行Rsyslog时出现问题,那么可以通过激活调试模式来查找原因:
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options are deprecated since rsyslog v3.
# If you want to use th...
