#ROR

JSP error: Only a type can be imported

错误:  [14]inthegeneratedjavafile:[E:apache-tomcat-7.0.63-windows-x64apache-tomcat-7.0.63workCatalinalocalhostbsorgapachejspMyJsp_jsp.java]Onlyatypecan...
代码星球 ·2020-08-12

ERROR CL .exe……错误

这个错误遇见了两次,一次是在装VC时,解决办法见这个还有一次是VS2012时,遇见了:解决办法:Add this to your PATH environment variables:C:Program Files (x86)Microso...
代码星球 ·2020-08-09

20180607pip install xxx报错SyntaxError invalid syntax

用pip安装时都要在cmd命令行里启动的,而在python中无法运行。退出python运行环境就再执行pip可以了。而且最好用管理员身份运行cmdC:WINDOWSsystem32>cdD:PythonAPIC:WINDOWSsystem32>D:D:PythonAPI>pipinstallwordc...

AttributeError: module 'shutil' has no attribute 'copyfileobj'

importshutil#1.copyfileobj(源文件,目标文件)将文件内容复制到另一个文件shutil.copyfileobj(open('config.log','r'),open('pic.json','a'))------------------------------------------------...

FATAL ERROR: please install the following Perl modules before executing /usr/bin/mysql_install_db:

报错:FATALERROR:pleaseinstallthefollowingPerlmodulesbeforeexecuting/usr/bin/mysql_install_db: 解决办法:安装autoconf依赖yuminstallautoconf-y    ...

插入光盘后,双击光盘无法播放,弹出run-time error 339错误消息

mscomctl.oxl是公用ActiveX插件控制模块。解决方法:  1.先下载mscomctl.oxl插件控制模块。  2.在将解压出来的mscomctl.ocx复制到指定的地方    --32位系统:复制到C:Windowssystem32    --64位系统:复制到C:WindowsSysWOW64  3.打...

pip安装scrapy时出现的错误:error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual....

python3+win10在pipinstall安装scrapy下载了一大堆东西到最后出现题目错误  解决方法:去此网址  http://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted  下载与之对应的版本如:Twist...

An error occurred while updating the entries. See the inner exception for details.

EF插入或更新数据时出现错误提示:Anerroroccurredwhileupdatingtheentries.Seetheinnerexceptionfordetails.的解决办法。原因一:数据库字段类型为datetime已设置默认值(getdate()).但EF插入和更新的时候是没有主动设置其值,程序自动赋值为&...
代码星球 ·2020-08-09

Uploadify提示-Failed,上传不了文件,跟踪onUploadError事件,errorMsg:2156 SecurityError Error #2156 null

在使用Uploadify上传文件时,提示-Failed,上传不了文件折腾中.....,没有结果.....%>_<%...于是跟踪onUploadError事件,发现errorMsg:2156SecurityErrorError#2156nullerrorCode:250why?....-----------...

ImportError: No module named rospy

 Traceback(mostrecentcalllast):File"manage.py",line4,in<module>importrospyImportError:Nomodulenamedrospy解决:source/opt/ros/indigo/setup.bash参考:网址:http...

Python2.7编码问题:UnicodeDecodeError: 'ascii' codec can't decode byte 0xe8 in position...解决方法

 解决方法:在Python程序最前面加上以下语句:importsysreload(sys)sys.setdefaultencoding('utf-8') ...

requests SSLError: hostname 'ccc.xxx.com' doesn't match '*.b0.upaiyun.com'

 证书不匹配问题1.对于python自带的urllib库 解决办法importsslssl.match_hostname=lambdacert,hostname:True2.对于requests库,解决办法requests.get(url='https://192.168.1.223',verify...

python2.7使用requests时报错SSLError: HTTPSConnectionPool(host='b-ssl.duitang.com', port=443)

 importrequestsurl='https://www.duitang.com/napi/blog/list/by_search/?kw=%E6%A0%A1%E8%8A%B1&start=0&limit=1000.tar.gz'page=requests.get(url) 代...

Error: Program type already present: okhttp3.Authenticator$1

 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...
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