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Can I change the root EBS device of my amazon EC2 instance?
...e2label works; check man e2label on your machine or visit http://linux.die.net/man/8/e2label for more information.
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How does the new automatic reference counting mechanism work?
...n-time which is very inefficient. That's why tracing GCs like the JVM and .NET are so much faster.
– J D
Jan 26 '14 at 19:32
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How can I specify a [DllImport] path at runtime?
... @Luca Piccioni: If you meant Assembly.LoadFrom, this only loads .NET assemblies, not native libraries. What did you mean?
– Ran
Jan 12 '12 at 15:54
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...配给手机终端的 IP 是运营商内网的 IP,手机要连接 Internet,就需要通过运营商的网关做一个网络地址转换(Network Address Translation,NAT)。简单的说运营商的网关需要维护一个外网 IP、端口到内网 IP、端口的对应关系,以确保内网的...
How do I implement basic “Long Polling”?
...ice thing about this approach is it is very resilient. If the clients internet connection dies, it will timeout, then try and reconnect - this is inherent in how long polling works, no complicated error-handling is required
Anyway, the long_poller.htm code, using the jQuery framework:
<html>...
Awaiting multiple Tasks with different results
...dSuccessfully to Status == TaskStatus.RanToCompletion; this now exists in .NET Core for Task, and everywhere for ValueTask<T>
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reStructuredText tool support
...edText , however the tools that support it are scattered all over the Internet. The official tool list is incomplete and/or outdated, and can be updated only via commit privileges. For some time there was a comprehensive list at the Wikipedia reStructuredText page , but this apparently " did not ...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...r example, a daemon process waiting for a client to connect to it over the network), so it may do nothing for days at a time of elapsed time. Second, if it is running, it may have multiple threads, and if it has, say, 4 threads and there are 4 or more cores on the system, it might rack up 4 CPU sec...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...《深入分析Java Web技术内幕》一书。个人网站http://xulingbo.net
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Can (domain name) subdomains have an underscore “_” in it?
...e very common in the wild. Check _jabber._tcp.gmail.com or _sip._udp.apnic.net.
Other RFC mentioned here deal with different things. The original
question was for domain names. If the question is for host
names (or for URLs, which include a host name), then this is
different, the relevant standard ...
