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How to configure MongoDB Java driver MongoOptions for production use?
...rite backlog so we have this on false (the default) in production.
j *(NEW 2.7+)*. Boolean that when set to true forces MongoDB to wait for a successful journaling group commit before returning. If you have journaling enabled you can enable this for additional durability. Refer to http://www.mongodb...
高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...还未更新此数据）的数据通常并不会带来大问题，比如，我在“山推”上发了一个推文，“关注我的人”并没有即时同步地看到我的最新推文，并没有太大影响，只要“稍后”它们能看到最新的数据即可，这就是所谓的最终一致...
地图组件（高德地图） · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 地图组件（高德地图） ...
Why aren't python nested functions called closures?
...ions written like this the ability to have "internal memory". As of Python 2.7 this is not possible. If you try
def initCounter():
x = 0;
def counter ():
x += 1 ##Error, x not defined
print x
return counter
count = initCounter();
count(); ##Error
count();
count();
Yo...
What is the difference between Google App Engine and Google Compute Engine?
...behind a Google Cloud Load Balancer. Limited to
supported runtimes: Python 2.7, Java 7 and 8, Go 1.6-1.9, and PHP
5.5. In Java, there is some support for Servlets but not the full J2EE standard.
App Engine Flex
Pros
Can use a custom runtime
Native integration with GCE networking
Version and tra...
Why does Ruby have both private and protected methods?
...ave to) call it with self to separate it from local variables."
Since Ruby 2.7 the self receiver can be explicit, self.some_private_method is allowed. (Any other explicit receiver is still disallowed, even if the runtime value is the same as self.)
In Ruby, these distinctions are just advice from...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...ith a different error message (unexpected comma). You'd have to go back to 2.7 or 2.8 to get the original error, probably.
– Daniel C. Sobral
Aug 2 '19 at 8:30
...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
数据传输中的Sequence Number
下图是我从Wireshark中截了个我在访问coolshell.cn时的有数据传输的图给你看一下，SeqNum是怎么变的。（使用Wireshark菜单中的Statistics ->Flow Graph… ）
你可以看到，SeqNum的增加是和传输的字节数相关...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...作会拖延标准完成的时间。已经有决定要在标准的下一个版本中包含哈希容器。
第4章 迭代器
第26条：iterator优先于const_iterator、reverse_iterator以及const_reverse_iterator。
减少混用不同类型的迭代器的机会，尽量用iterator代替const_...
Difference between DateTime and Time in Ruby
...ied Time.new(2012,6,30,23,59,60,0) in different Ruby versions, from 2.0 to 2.7, and always got 2012-07-01 00:00:00 +0000.
– michau
Jul 22 '19 at 15:34
...