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Linux日志切分工具:Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术

...似的还有Verbose选项,这里就不多说了。 Logrotate的疑问 问题:sharedscripts的作用是什么? 大家可能注意到了,我在前面Nginx的例子里声明日志文件的时候用了星号通配符,也就是说这里可能涉及多个日志文件,比如:access.log和e...
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求助!关于拓展模块NotificationStyle的demo运行时报错的问题 - App Invent...

我使用的是demo程序进行测试,拓展程序链接: https://www.fun123.cn/reference/extensions/NotificationStyle.html 结果无论点什么按键都会报错: edu.mit.appinventor.aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be...
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新手程序员应该知道的7件事 - 创意 - 清泛网 - 专注C/C++及内核技术

...的甚至是几十年)作为专业软件工程师的工作经验。我的问题是,如果他们现在回过头去,哪些技能和知识是他们第一次以写代码为生的时候就希望能够掌握的。无论你是一个刚毕业刚开始自己第一份开发工作的大学生,还是年...
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Compiling with g++ using multiple cores

...ge projects quicker (for example 4 source files at a time for a multi-core CPU)? 8 Answers ...
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Volatile vs. Interlocked vs. lock

...at all. The point of volatile is that multiple threads running on multiple CPUs can and will cache data and re-order instructions. If it is not volatile, and CPU A increments a value, then CPU B may not actually see that incremented value until some time later, which may cause problems. If it is vol...
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Generating a unique machine id

...FirmwareTables and GetSystemFirmwareTable. IIRC, the "unique id" from the CPUID instruction is deprecated from P3 and newer. share | improve this answer | follow ...
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c++ volatile关键字简析 - C/C++ - 清泛网 - 专注C/C++及内核技术

c++ volatile关键字简析volatile防范冲突,提高效率。降低CPU Cache Line锁冲突的几率。不同于普通变量在于:CPU缓存中有值的话,也得从内存中重新加载到缓存(普通变量不会);即认为寄存器值不可靠, volatile 防范冲突,提高效...
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...不好恢复老版本不验证了) -------- 怀疑 kawa Scheme 生成问题,更新新版本试试。(也不容易更新) https://community.appinventor.mi ... or-d8-failed/141334
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How efficient can Meteor be while sharing a huge collection among many clients?

...onnection to its client and updates its server-side in-memory copy. Total CPU cost is the cost to diff one Mongo query, plus the cost of 1,000 merge boxes checking their clients' state and constructing a new DDP message payload. The only data that flows over the wire is a single JSON object sent t...
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低效程序员的7个坏习惯 - 创意 - 清泛网 - 专注C/C++及内核技术

...le的Charles解释道,“低效的工程师会错误地表征用户体验问题为其他人的问题。” 遗憾的是,似乎很多软件工程师都持有这种态度,这也是为什么企业要寻求能够移情和了解他人问题的代码战士。 “雇主正在竭力寻找那些拥有...