前言 我在使用pip install opencv-python 时报错 Could not find a version that satisfies the requirement opencv (from versions: ) No matching distribution found for opencv 树莓派的镜像是默认装的镜像,没怎么装过其他东西的.我查看了python的版本,python是2.7版本的,树莓派镜像默认是装好了python2.分析原因,python2版本过久,无
机器上装了两个python,一个是默认的,一个是anaconda.安装opencv时就报错了: -- Found PythonInterp: /home/deeplp/anaconda2/bin/python2 (found suitable version "2.7.12", minimum required is "2.0") -- Could NOT find PythonLibs: Found unsuitable version "2.7.6&q
解决方案: the cause is the google tests is looking for the generic regex.h but cmake used the regex.h from boost. and boost is not linked. I'm not sure how to fix it properly but renaming /usr/local/include/boost/regex.h temporarily to something else fix
备注: 我上次遇到这个问题的原因是项目设置为MTd导致的 OpenCV是MTd的,我要是改成MDd就编译报错,所以不能采用把项目改为MDd的办法,只能把OpenCV重新编译为MDd的,下载CMAKE,打开OPENCV的sources,把CMakeLists.txt打开,搜索BUILD_WITH_STATIC_CRT,把ON IF MSVC改为OFF IF MSVC,然后用CMAKE重新编译. 注意编译出来之后的build目录下有个lib要加入链接器目录,然后build\3rdparty\lib也
simplejson.errors.JSONDecodeError: Expecting value: line column () 提示说是解码错误 可以用下面的方法判断json文件是否为空 import json#读取 with open('tmp.json', 'r') as f: data = f.read() if(not bool(data)): print("json is empty!") 但是在非空情况下会报错!!! import json data ={"
错误提示: ubuntu opencv imshow() 报错 windows.cpp报错 the function is not implemented If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function 'cvShowImage' 原因: opencv在ubuntu需要的一些依赖包没有安装.按照提示安装li
将 数据库表 映射成hibernate 实体类时 将number --- double 如果数据库中number 为空,查找数据时将报错 Can not set double field ***** to null value double 基本类型 不能为空 Double 对象类型 可以为空 所以需要 number --- Double
openCV/OpenCV-android-sdk/samples/tutorial-2-mixedprocessing 工程 - ::): Trying to get library list - ::): OpenCV error: Cannot load info library for OpenCV - ::): Library list: "" - ::): First attempt to load libs - ::): Trying to init OpenCV lib
在oracle修改user表字段name类型时遇到报错:“ORA-01439:要更改数据类型,则要修改的列必须为空”,是因为要修改字段的新类型和原来的类型不兼容. 如果要修改的字段数据为空时,则不会报这种类型的错误,可以进行字段类型的修改. alter table user modify (name varchar2(20)); 要修改字段的新类型和原来的类型不兼容时,可以通过如下方式解决该问题: 1.修改原字段名name为临时字段name_new: alter table user renam