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WCF:使用Array替代List - 更多技术 - 清泛网 - 专注IT技能提升

WCF:使用Array替代ListArray-instead-of-List-in-WCF本文主要介绍WCF中arrays 及 generic lists的区别。英文原文:http://www.codeproject.com/Articles/45298/Array-instead-of-List-in-WCF 最近我正在开发一个在消息报文中传输image的函数,因此习惯性地在消息类...
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解决#!/usr/bin/python: No such file or directory - 更多技术 - 清泛网 - 专注IT技能提升

解决#!/usr/bin/python: No such file or directoryNo-such-file-or-directory出现此类问题是因为文件的内容中特殊字符导致的:1、可能是Windows的换行符 r n导致的,改为Linux的 n。使用Notepad++修改:2、也可能是文件是UTF8(BOM)编码导致的,改为UTF8...
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python添加模块的搜索路径 - 更多技术 - 清泛网 - 专注IT技能提升

python添加模块的搜索路径ImportError-No-module-named-xxx运行python工程的时候,ImportError: No module named xxx 的错误,原因是该模块没有加到python的搜索路径导致的。以下提供几种方法添加搜索路径:1、函数添加import syssys 运行python工程的...
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解决Scrapy警告:You do not have a working installation of the service_i...

解决Scrapy警告:You do not have a working installation of the service_identity module: 'cannot import name opentype'. You-do-not-have-a-working-installation-of-the-service_identity-module使用scrapy进行爬虫项目的操作时,出现如下错误:从提示错误来看,我们需要安装...
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python MySQLdb模块安装 - 更多技术 - 清泛网 - 专注IT技能提升

python MySQLdb模块安装python-MySQLdb-installMySQLdb是python操作mysql数据库的一个库.mysql的几乎所有的操作都可以实现,在python2系列使用Mysqldb,在python3系列使用pymysql和mysql connect。安装步骤如下:1 pip方式安 MySQLdb是python操作mysql数据库...
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npm安装报错:rollbackFailedOptional verb npm-session - 更多技术 - 清泛网 - 专注IT技能提升

npm安装报错:rollbackFailedOptional verb npm-sessionrollbackFailedOptional-verb-npm-session使用npm install安装组件时报错:rollbackFailedOptional: verb npm-session xxxx原因:组件目标地址无法访问导致,切换npm内网源或国内源即可解决。npm config set regist ...
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reactjs中防止字符转义,字符串不转义 - 更多技术 - 清泛网 - 专注IT技能提升

reactjs中防止字符转义,字符串不转义reactjs-dangerouslySetInnerHTML使用标签的dangerouslySetInnerHTML 属性即可,注意:必须是这种写法:<span dangerouslySetInnerHTML={{__html: & 39;<font color="red">ERROR< font>& 39;}}>(此处必须为空! 使用标签的 dangerously...
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[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....

[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
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【解决】Missing FindPython3.cmake - C/C++ - 清泛网 - 专注IT技能提升

【解决】Missing FindPython3.cmakeMissing-FindPython3-cmake编译llvm时,报错:CMake Error at CMakeLists txt:729 (find_package): By not providing "FindPython3 cmake" in CMAKE_MODULE_PATH this project has asked 编译llvm时,报错: CMake Error at CMakeLists.txt:729 (find_package):...
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【解决】This is allowed only when policy CMP0079 is set to NEW. - C/C++ - 清泛网 - 专注IT技能提升

【解决】This is allowed only when policy CMP0079 is set to NEW.This-is-allowed-only-when-policy-CMP0079-is-set-to-NEWcmake最低版本设置为3 13以上,可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考:https: gitlab kitware com cmake cmake - issues 19693cma...