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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...生的数据,通过淘宝自主研发的数据传输组件DataX、DbSync和Timetunnel准实时地传输到一个有1500个节点的Hadoop集群上,这个集群我们称之为“云梯”,是计算层的主要组成部分。在“云梯”上,我们每天有大约40000个作业对1.5PB的原...
What are the dangers when creating a thread with a stack size of 50x the default?
...y excessive recursion. The size of the stack frame of managed methods are set in stone. Simply the sum of the arguments of the method and the local variables in a method. Minus the ones that can be stored in a CPU register, you can ignore that since there are so few of them.
Increasing the stack...
Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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Performance optimization strategies of last resort [closed]
...rogram code is actually generated (via preprocessor macros) from a smaller set of source, and in which the program is not constantly figuring out things that the programmer knows are fairly predictable. In other words, don't "interpret" the sequence of things to do, "compile" it.
That redesign is ...
华为公司的新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...司产品投放市场的时间就可缩短一半。例如,摩托罗拉的Codex部在两年内把平均产品研发时间缩短了46%。同样,Bolt,Beranek和Newman采用新过程研发后,第一项产品的投放市场时间大幅度缩短了50%~60%。这是一个什么概念呢?这告诉...
Backup/Restore a dockerized PostgreSQL database
I'm trying to backup/restore a PostgreSQL database as is explained on the Docker website, but the data is not restored.
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How to printf “unsigned long” in C?
I can never understand how to print unsigned long datatype in C.
8 Answers
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Pandas percentage of total with groupby
This is obviously simple, but as a numpy newbe I'm getting stuck.
14 Answers
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What is the difference between the dot (.) operator and -> in C++? [duplicate]
What is the difference between the dot (.) operator and -> in C++?
14 Answers
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How do I apply a diff patch on Windows?
...p each time. See this page for a how-to: math.nist.gov/oommf/software-patchsets/patch_on_Windows7.html
– Anttu
Feb 5 '14 at 6:41
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