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scrapyd 转入后台daemon守护模式运行的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...tus}
二、设置为系统启动项
1、启用禁用命令：
sysv-rc-conf scrapyd on/off
scrapy scrapyd
Linux 堆内存快照可视化，快照比较，跟踪内存变化，定位内存泄漏等问题 - ...
...sp;# 预加载 jemalloc.so 动态库，需要自行编译
export MALLOC_CONF="prof:true,prof_active:true,lg_prof_interval:29" #29 2^29内存满了重新打一个.heap快照文件
jeprof xxx -pdf xxx.heap > 1.pdf #分析.heap文件，可视化生成pdf
jeprof...
mqtt协议一般最大支持订阅几个主题？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
...。Mosquitto： 轻量级的开源Broker。在其配置文件 (mosquitto.conf) 中，可以使用 max_subscriptions 参数来设置每个客户端允许的最大订阅数。默认值也是没有限制（-1），但你可以根据需要进行设置。HiveMQ： 企业级MQTT Broker。它同样提供...
How to debug an apache virtual host configuration?
Once again, I have a problem with my apache virtual host configuration. (The default configuration is used instead of my specific one).
...
How exactly do Django content types work?
...That being said, if I'm going to use Django then I have to work within the confines of the framework.
2 Answers
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How do I find numeric columns in Pandas?
...',
'previous',
'emp.var.rate',
'cons.price.idx',
'cons.conf.idx',
'euribor3m',
'nr.employed',
'pmonths',
'pastEmail']
Thanks
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How to delete/create databases in Neo4j?
...run your tests and use it normally simultaneously. To change the port open conf/neo4j-server.properties and set org.neo4j.server.webserver.port to an unused one.
Start the test server on setup. Do ./neo4j stop and rm -rf data/graph.db on teardown
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...OP，将包丢弃：
iptables -A LOGGING -j DROP
另可以配置syslog.conf文件，指定iptables的日志输出。
Have fun!
iptables 配置 实例
Can't access RabbitMQ web management interface after fresh install
...t login with guest/guest
# remove guest from loopback_users in rabbitmq.config like this
[{rabbit, [{loopback_users, []}]}].
# It is danger for default user and default password for remote access
# better to change password
rabbitmqctl change_password guest NEWPASSWORD
If you want create a ne...
How do you force a CIFS connection to unmount
... /mnt/my_share
where serv_share is that set up and pointed to in the smb.conf file.
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