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改用 443 端口连接 Github 修复 git push 时出现 Connection timed out 的...

改用 443 端口连接 Github 修复 git push 时出现 Connection timed out 的问题use-443-port-fix-github-connection-timeout参考资料最近几天我这里出现了git push出现 timeout 的问题:$ git pushssh: connect to host github com port 22: Connection timed outfatal: Could not read ...
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App Inventor 2 开发多用户注册登录签到系统 - AppInventor连接网络微数据...

... App Inventor 2 开发多用户注册登录签到系统 - AppInventor连接网络微数据库保姆级教程 “网络微数据库”如何保存值到网络,如何读取网络值 如何存储用户列表信息 如何存储用户的每日签...
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How large should my recv buffer be when calling recv in the socket library

...w how big to make the buffer passed to recv()? SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is tran...
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Makefile经典教程(入门必备) - C/C++ - 清泛网移动版 - 专注C/C++及内核技术

...值是“src/foo src/bar”。 $(join <list1>,<list2> ) 名称:连接函数——join。 功能:把<list2>中的单词对应地加到<list1>的单词后面。如果<list1>的单词个数要比< list2>的多,那么,<list1>中的多出来的单词将保持原样。如果<list2>...
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Scala 2.8 breakOut

..., "BB", "CCC").map(s => (s, s.length)) The compiler would complain: error: type mismatch; found : Seq[(String, Int)] required: Map[String,Int] The reason being that Seq only knows how to build another Seq (i.e. there is an implicit CanBuildFrom[Seq[_], B, Seq[B]] builder factory available...
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accepting HTTPS connections with self-signed certificates

... return sf; } catch (Exception e) { throw new AssertionError(e); } } } We have created our custom HttpClient, now we can use it for secure connections. For example when we make a GET call to a REST resource: // Instantiate the custom HttpClient DefaultHttpClient clie...
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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...以自动投票,选举出新的Master,并引导其余的Slave服务器连接新的Master, 而这个过程对于应用是透明的。可以说MongoDB的副本集是自带故障转移功能的主从复制。 1 相对于传统主从模式的优势 传统的主从模式,需要手工指定...
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...隔。 后台任务要尽可能少的唤醒CPU,譬如IM通信的长连接心跳时间间隔、一些应用的后台定时唤醒时间间隔等要设计合理。 特殊耗电业务情况可以进行弹窗等友好的交互设计提醒用户该操作会耗用过多电量。 可以看...
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Fast Linux File Count for a large number of files

...es to be usable on any system where it will compile. There is very little error checking, and the count function itself doesn't really report errors. The only calls that can really fail are opendir and stat (if you aren't lucky and have a system where dirent contains the file type already). I'm not...
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Get item in the list in Scala?

... Lift is beautiful. I can avoid arrayIndexOutOfBound errors, without checking size of array.. – Naveen Sachar Mar 27 '17 at 6:09 ...