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【OpenCV】OpenCV2.4.6 与Visiual Studio 2008,Python2.7.5配置和图像载入显示

自从OpenCV2.2开始,OpenCV库便分成几个模块并位于lib文件中,本节介绍从OpenCV2.4.6与VS2008、Python2.7.5如何配置环境,如何外部文件载入图像、在窗口中显示图像。InstallingOpenCV2.4.6forVisualStudio2008 Step1:Download...

整合SSH三大框架用注解时报An AnnotationConfiguration instance is required to use

Causedby:org.springframework.beans.factory.BeanCreationException:Errorcreatingbeanwithname'sessionFactory'definedinServletContextresource[/WEB-INF/classes/appli...

AsyncTask delay延迟执行 或者顺序执行 问题

惯用AsyncTask的朋友可能会发现AsyncTask的坑:Androidexecutes AsyncTask tasksbeforeAndroid1.6andagainasofAndroid3.0insequencebydefault.即:Android从3.0开始,AsyncTask为顺序执行...

appearance格式化表单元素的边框,在chrome和FF下鼠标点击时会多出一个蓝色边框

可在元素上添加样式-webkit-appearance:none;-moz-appearance:none;outline:none;清除掉元素所有的外貌,以便自定义风格...

tail -f 报错 file truncated

  操作:循环覆盖向tmp文件写入坐标tmp:-45.6976089525,-26.1528715421,-0.0188627654187 报错如下:-15.2517398838,-5.1216965666,1.62749776805tail:/opt/xxx/tmp:filetrunca...
代码星球 ·2020-08-09

c++ std::advance

 //advanceexample#include<iostream>//std::cout#include<iterator>//std::advance#include<list>//std::listintmain(){std::list<int>myli...
代码星球 ·2020-08-09

Program type already present:okio.AsyncTimeout$Watchdog Message{kind=ERROR, text=Program type :okio

 在app中的build.gradle中加入如下代码,configurations{all*.excludegroup:'com.google.code.gson'all*.excludegroup:'com.squareup.okhttp3'all*.excludegroup:'com.squareup.o...

Redis报错:ERR This instance has cluster support disabled

异常分析从报错误的信息ERRThisinstancehasclustersupportdisabled很明显看得出来,是没有启动redis集群功能,可是我项目配置的集群的配置方式,要么修改代码为单机配置,要么修改redis为集群方式。解决办法在安装redis的目录找到redis配置文件redis.conf,里面会找到配...

hive creating temporary folder on: Error encountered near token 'TOK_TMP_FILE'

执行createtmp.tablename asselect.....语句的时候报以下错误:SemanticException0:0 creatingtemporaryfolderon:xxxxErrorencounteredneartoken'TOK_TMP_FILE'查看hivejira,有以下...

python中time.strftime不支持中文,报错UnicodeEncodeError: 'locale' codec can't encode character 'u5e74' in position 2: encoding error

使用time.strftime将 "2020-10-1010:10:10"转化为 2020年10月10日10时10分10报错:importtimetimestr="2020-10-1010:10:10"t=time.strptime(timestr,"%Y-%m-%d%H:%M:%S")print(...

Ubuntu环境下,项目出现:Call to undefined function curl_init() 提示

原因:没有开启curl扩展 安装或者开启扩展 ubuntu执行安装Curl的扩展 sudoapt-getinstall-yphp-curl同:mysql,redis,curl,等。 转自:https://www.cnblogs.com/bing-yu12/p/7617028.ht...

d3.svg.line()错误:TypeError: d3.svg.line is not a function

varline_generator=d3.svg.line().x(function(d,i){returni;}).y(function(d){returnd;})  错误:TypeError:d3.svg.lineisnotafunction原因:  你使用D3 v4 。从版本4开始,没有d3....

Prncnfg.vbs参数详解

语法:Cscript Prncnfg {-g | -t | -x | -?} [-S <ServerName>] [-P <PrinterName>] [-z&nbs...
代码星球 ·2020-08-09

解决UnicodeEncodeError: 'gbk' codec can't encode character u'u25aa' in position 344 : illegal multiby

  Python拿来做爬虫的确很不错,但是字符串的编码的确是稍不留神就是一个坑,GBK编码和Unicode编码的转化出现问题也是很多的,今天在解析网页数据的时候出现上述错误,解决方案如下: one_str.encode("GBK","ignore")   由于...

UnicodeEncodeError: 'gbk' codec can't encode character 'u25aa' in position 15: illegal multibyte sequence

 UnicodeEncodeError:'gbk'codeccan'tencodecharacter'u25aa'inposition15:illegalmultibytesequence ...
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