#ARCH

oracle数据库中varchar2陷阱

https://www.cnblogs.com/iyangyuan/archive/2013/12/25/3491215.html 对应该类型,在oracle中有三种比较常用的类型:varchar2(byte)、varchar2(char)、nvarchar2()。   &nbs...

解读:Hadoop Archive

hdfs并不擅长存储小文件,因为每个文件最少一个block,每个block的元数据都会在NameNode中占用150byte内存。如果存储大量的小文件,它们会吃掉NameNode节点的大量内存。MR案例:小文件处理方案HadoopArchive或者HAR,是一个高效地将小文件放入HDFS块中的文件存档工具。它能将多个小...
代码星球 ·2020-03-30

Detectron系统实现了最先进的物体检测算法https://github.com/facebookresearch/Detectron

 ,包括MaskR-CNN。它是用Python编写的,支持Caffe2深度学习框架。 不久前,FAIR才开源了语音识别的工具wav2letter,戳这里看大数据文摘介绍《快讯|Facebook开源语音识别工具包wav2letter》。这一系列工具的开源,将使更多研究人员能使用到Facebook的平台...

API Management Architecture Notes

Kong/Tyk/Zuul/strongloop/Ambassador/GraviteeIBMReferenceArchitectureforAPIManagement:https://developer.ibm.com/apiconnect/documentation/api-101/ibm-reference-ar...

Taking A Fresh Look At What Open Source API Management Architecture Is Available

http://apievangelist.com/2014/10/05/taking-a-fresh-look-at-what-open-source-api-management-architecture-is-available/05Oct2014I’vebeena outspokenadvo...

6 Multi-Cloud Architecture Designs for an Effective Cloud

https://www.simform.com/multi-cloud-architecture/Enterprisesincreasinglywanttotakeadvantageoftheflexibilityandchoiceofmultiplecloudofferingsinordertousebestclou...

An introduction to High Availability Architecture

https://www.getfilecloud.com/blog/an-introduction-to-high-availability-architecture/Intherealworld,therecanbesituationswhenadipinperformanceofyourserversmightoc...

js通过location.search来获取页面传来的参数

这篇文章主要介绍了通过window.location.search来获取页面传来的参数,经测试是OK的?12345functionGetQueryString(name){varreg=newRegExp("(^|&)"+name+"=([^&]*)(&|$)","i");varr=window...

mysql字段varchar区分大小写utf8_bin、utf8_general_ci编码区别

mysql字段varchar区分大小写utf8_bin、utf8_general_ci编码区别在mysql中存在着各种utf8编码格式:utf8_bin将字符串中的每一个字符用二进制数据存储,区分大小写。utf8_genera_ci不区分大小写,ci为caseinsensitive的缩写,即大小写不敏感。utf8_ge...
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