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Could not find any version that matches com.android.support:appcompat-v7:29.+.安裝Android Studio之后琉兜，運(yùn)行第一個(gè)空項(xiàng)目報(bào)錯(cuò) Could not find any version that matches co...
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comparing floating point with == or != is unsafe
comparing floating point with == or != is unsafe 因?yàn)閒loat數(shù)據(jù)類型存儲(chǔ)的原因，導(dǎo)致編譯器對(duì)...
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Git tag
1. git tag 列出所有標(biāo)簽 2. git tag v1.0 將當(dāng)前項(xiàng)目的標(biāo)簽設(shè)定為V1.0 3. git tag -a v1.0 -m ...
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MarkdowmPad2 HTML Rendering Error
WIN10系統(tǒng)安裝完成MarkdowmPad2毙玻，打開文件豌蟋，滾動(dòng)滑輪后會(huì)彈窗“An error occured with the the HTML...
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VS2017安裝opencv-4.1.11.下載并安裝VS2017（網(wǎng)上很多帖子） 2.下載并安裝opencv opencv的官網(wǎng)：https://opencv.org/ 網(wǎng)絡(luò)不好的，...
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PX4 make px4fmu-v4_default 問題按照官網(wǎng)的教程進(jìn)行編譯桑滩，執(zhí)行make px4fmu-v4_default發(fā)現(xiàn)報(bào)錯(cuò) CMake Error: CMAKE_CXX_COMPILER...
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PX4 vmware ubuntu 環(huán)境搭建問題按照官網(wǎng)教程采用vmware +ubuntu16.04 lts版本 首先有兩個(gè)問題 1.vmware tools安裝梧疲，按照vmware給出的提示...