๐–„๐•บ๐ŸŒŽ๐•ฟ๐•ฝ๐•บยฅ

๐–„๐•บ๐ŸŒŽ๐•ฟ๐•ฝ๐•บยฅ

๐•ด ๐–‰๐–” ๐–’๐–†๐–Œ๐–Ž๐–ˆ
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่ฎก็ฎ—ๆœบๅฎ‰ๅ…จไธŽๅ–่ฏไน‹ๅ“ˆๅธŒๅ‡ฝๆ•ฐๅ’Œๅ…ฌ้’ฅๅŠ ๅฏ†

! ๅ“ˆๅธŒๅ‡ฝๆ•ฐๆ˜ฏไธ€็งๅฐ†ไปปๆ„้•ฟๅบฆ่พ“ๅ…ฅๅญ—็ฌฆไธฒๆ˜ ๅฐ„ๅˆฐๅ›บๅฎš้•ฟๅบฆๅ“ˆๅธŒๅ€ผ๏ผˆๆœ‰ๆ—ถ็งฐไธบๆถˆๆฏๆ‘˜่ฆ๏ผ‰็š„้ซ˜ๆ•ˆๅฏ่ฎก็ฎ—ๅ‡ฝๆ•ฐใ€‚ไธ็ฎก่พ“ๅ…ฅๅ‡ ไฝ๏ผŒ่พ“ๅ‡บ้ƒฝๆ˜ฏ N bitsใ€‚ ๅ“ˆๅธŒๅ‡ฝๆ•ฐไธๆ˜ฏ keyed primitive ๅŸบไบŽๅฏ†้’ฅ็š„ๅŽŸ่ฏญใ€‚ ๅŒ…ๆ‹ฌ message fingerprinting ๆถˆๆฏๆŒ‡็บน็”Ÿๆˆโ€ฆ
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่ฎก็ฎ—ๆœบๅฎ‰ๅ…จไธŽๅ–่ฏไน‹ๆ“ไฝœๆจกๅผๅ’Œๅกซๅ…… Oracle ๆ”ปๅ‡ป

ๅฏน็งฐๅŠ ๅฏ†็ฎ—ๆณ•๏ผˆๅฆ‚ AES๏ผ‰ไนŸๅฐฑๆ˜ฏๅŠ ๅฏ†ๅ’Œ่งฃๅฏ†่ฟ‡็จ‹ไฝฟ็”จ็›ธๅŒ็š„ๅฏ†้’ฅ keyใ€‚ๆœฌ่บซๅช่ƒฝๅฎ‰ๅ…จๅŠ ๅฏ†ๅ›บๅฎšๅคงๅฐ็š„ๆ•ฐๆฎๅ—ใ€‚ไธบไบ†ๅŠ ๅฏ†ไปปๆ„้•ฟๅบฆ็š„ๆถˆๆฏ๏ผŒ้œ€่ฆๅฐ†่ฟ™ไบ›ๅŸบๆœฌ็ฎ—ๆณ•่ฟ็”จๅœจ็‰นๅฎš็š„ๆ“ไฝœๆจกๅผไธญใ€‚ ไธ€ไธชๅ—็Šถๅฏ†็ ๅฏๅŠ ๅฏ† N bit ็š„ไฟกๆฏใ€‚ๅฆ‚ๆžœไธๆ˜ฏ N ็š„ๆ•ดๆ•ฐๅ€๏ผŒไธๆ˜ฏๅ›บๅฎš้•ฟๅบฆ๏ผŒๆˆ–่€…็ฑปไผผ TCP ๆตๅ‘ข๏ผŸโ€ฆ
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่ฎก็ฎ—ๆœบๅฎ‰ๅ…จไธŽๅ–่ฏไน‹็บฟๆ€งๅฏ†็ ๅˆ†ๆž

XOR ๆ˜ฏ โ€œๅผ‚ๆˆ–โ€ ่ฟ็ฎ—็š„็ฎ€็งฐ๏ผŒๆ˜ฏไธ€็งๅŸบๆœฌ็š„ไฝ่ฟ็ฎ—ใ€‚ๅฎƒ็š„่ฟ็ฎ—่ง„ๅˆ™ๆ˜ฏๅฏนไธคไธชๆฏ”็‰นไฝ่ฟ›่กŒๆฏ”่พƒ๏ผŒๅฆ‚ๆžœไธคไธชๆฏ”็‰นไฝ็›ธๅŒ๏ผŒๅˆ™็ป“ๆžœๆ˜ฏ 0๏ผ›ๅฆ‚ๆžœไธคไธชๆฏ”็‰นไฝไธๅŒ๏ผŒๅˆ™็ป“ๆžœๆ˜ฏ 1ใ€‚ ๅ› ไธบโ‰  0.5๏ผŒๆ‰€ไปฅๆ˜ฏๆœ‰ไฟกๆฏ็š„ใ€‚้‚ฃไนˆๅณไฝฟๅชๆœ‰ไธ€ไธชๅญ้›†็š„ๅ€ผ๏ผŒไนŸ่ƒฝไปฅๅคง่‡ด็›ธๅŒ็š„ๆ–นๅผๅˆฉ็”จๅๅทฎใ€‚็”š่‡ณ 0.5000001ใ€‚โ€ฆ
่ฎฐไธ€ๆฌกๅฐ†SSHๅ…ฌ้’ฅๆทปๅŠ ๅˆฐGitHub
ๅ‰่จ€ ssh key ๅˆ่ฟ‡ๆœŸไบ†๏ผŒๆฏๆฌก้‡ๆ–ฐๆทปๅŠ ้ƒฝ่ฆๅ›ž็œ‹ documentation๏ผŒ่‡ชๅทฑๅ†™ไธ€ไธชๆ–นไพฟ่ฎฐ็š„ใ€‚ ๆญฅ้ชค ไปฅ Ubuntu ไธบไพ‹ Copy $ ssh-keygen -t rsa -b 4096 Generating public/private rsa key pairโ€ฆ
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Haskell็ฌ”่ฎฐไบŒ

็ฑปๅž‹ ็‰นๆ€ง ๅผบ๏ผˆstrong๏ผ‰็ฑปๅž‹ ้™ๆ€๏ผˆstatic๏ผ‰ ๅฏไปฅ้€š่ฟ‡่‡ชๅŠจๆŽจๅฏผ๏ผˆautomatically inferred๏ผ‰ๅพ—ๅ‡บ ๅŸบๆœฌ็ฑปๅž‹ Copy Char Bool Int ๅธธ็”จ ๅฎš้•ฟ๏ผˆfixed-width๏ผ‰ๆ•ดๆ•ฐ ไธ€่ˆฌ32/64ไฝๅฎฝ Integer ไธๅธธ็”จ ไธๅฎš้•ฟ Doubleโ€ฆ
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Haskell็ฌ”่ฎฐไธ€ โ€”โ€” ๅ…ฅ้—จ ็ฎ—ๆ•ฐ ่ฟ็ฎ—็ฌฆ ๆœช.ๅฎšไน‰ๅ˜้‡ ๅˆ—่กจ ๅญ—็ฌฆ.ไธฒ ็ฑปๅž‹

ๆทปๅŠ ๆจกๅ— Copy ghci> :module + Data.Ratio ็ฎ—ๆ•ฐ + - * / ** ^ % ๅŸบๆœฌ็š„ Copy ghci> 7.0 / 2.0 3.5 ghci> 7 / 2 3.5 ghci> 2 + 2 4 ghci> (+) 2 2 4 ** ๅ’Œ ^ Coโ€ฆ
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Linuxๅฆ‚ไฝ•่ฎพ็ฝฎๅผ€ๅฏๅฏๅŠจๅ‘ฝไปค

็คบไพ‹ ๅ‡่ฎพๆˆ‘ๆƒณ่ฎฉๆˆ‘็š„ Linux ่ฎพๅค‡ๅฏๅŠจๆ—ถ่‡ชๅฏๅŠจไธคๆกๆŒ‡ไปค๏ผš Copy cd /test nohup python3 -m http.server 6666 โ—tips: ไธบไป€ไนˆ็”จ nohup๏ผŒๅ› ไธบ nohup ๆ˜ฏ้™้ป˜ๆŒ‡ไปคไธไผš่พ“ๅ‡บๆŒ‡ไปคๅˆฐ็ปˆ็ซฏ๏ผŒ่ฟ่กŒ log ไผšๅ‚จๅญ˜ๅœจ /testโ€ฆ
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wsl่ฎฟ้—ฎGitHubๅพˆๆ…ขๆ€ŽไนˆๅŠž๏ผŸ

ๆ–นๆกˆ ไธๅŒไปฃ็†่ฝฏไปถๆ“ไฝœๅฏ่ƒฝไธๅŒ๏ผŒไธ่ฟ‡ๅคš่งฃ้‡Šไบ†ใ€‚ใ€‚ใ€‚่ฟ™้‡ŒไปฅClashไธบไพ‹ใ€‚ ๅฆ‚ๅ›พไปฃ็†ๆœๅŠก็ซฏๅฃๅทๆ˜ฏ โ€œ7890โ€๏ผŒไธ€ๅฎš่ฎฐๅพ—ๆ‰“ๅผ€ALLOW LANใ€‚ ๆ‰“ๅผ€ wsl ็š„ bash ๆ–‡ไปถ๏ผŒไปฅ .bashrcๆ–‡ไปถไธบไพ‹๏ผš ๆทปๅŠ ไปฅไธ‹ Copy # proxy list # ๆณจๆ„ไธ exportโ€ฆ
ROS1 ๅŸบ็ก€ๅŠๅธธ็”จๆŒ‡ไปค ็ฌ”่ฎฐ
roslaunch# launch multiple ROS Nodes via launch files. Copy roslaunch {package name} {launch file} roslaunch turtlebot3_gazebo turtlebot3โ€ฆ
่ฎฐไธ€ๆฌกๅฎŒๅ…จ้‡่ฃ…Windows็ณป็ปŸ-ๆ‹ฏๆ•‘่€…้”ฎ็›˜ๅคฑ็ต-Y7000P2019ๅ†ๆˆ˜ไธคๅนด๏ผ
่ตทๅ› # ้™ชไผดๆˆ‘ไธ‰ๅนดๅŠๅคš็š„ Y7000P ้”ฎ็›˜ๅคฑ็ตไบ†๏ผŒๅ‡ ไนŽๆ‰€ๆœ‰ๆŒ‰้”ฎ๏ผŒๅŒ…ๆ‹ฌNum Lockใ€‚ไฝ†ไพ‹ๅฆ‚fn+spaceใ€fn+f10่ฐƒ้”ฎ็›˜่ƒŒๅ…‰ๅ’Œ่งฆๆŽงๆฟ็ญ‰็ป„ๅˆ้”ฎๆฒก้—ฎ้ข˜๏ผŒBIOS ๅ†…้”ฎ็›˜ไนŸ่ƒฝไฝฟ็”จใ€‚ ๅฐ่ฏ•# ่งฃๅ†ณๆ–นๆกˆ 1๏ผŸ# ๆฅๆบ ๅ…ณๆœบๅŽๆ‹”ๆŽ‰ๆ‰€ๆœ‰ๆŽฅๅฃๅผ€ๆœบ็ป“ๆŸๅŽๅ†ๆ’ไธŠ๏ผŒ่ฏ•ไบ†ๆ— ๆ•ฐ้่ฟ™ไนŸไธ่กŒๅ•Šใ€‚ ่งฃโ€ฆ
่ฎฐไธ€ๆฌกnginxๆ˜ ๅฐ„็ฝ‘็ซ™่ฎพ็ฝฎ
ๅœบๆ™ฏ ๆˆ‘่ฆๅœจๆœๅŠกๅ™จไธŠๆญๅปบ็ฎ€ๅ•็ฝ‘็ซ™๏ผŒๆœฌๅœฐ่ทฏๅพ„ไธบ/www/website๏ผŒๅŒๆ—ถ่ฆๆ˜ ๅฐ„ๅˆฐ่‡ชๅทฑ็š„ๅŸŸๅexample.comใ€‚ ้…็ฝฎ Nginx ็š„ไธป่ฆ้…็ฝฎๆ–‡ไปถไฝไบŽ /etc/nginx/nginx.conf ๆˆ– /etc/nginx/conf/nginx.conf ไธญใ€‚ ๅˆ›ๅปบ้…็ฝฎๆ–‡ไปถโ€ฆ
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่ฎฐไธ€ๆฌกzshๅฎ‰่ฃ… terminal็พŽๅŒ–่ฟ‡็จ‹

ๅ‰่จ€# terminal ๅคชไธ‘ไบ†ๆ€ŽไนˆๅŠž๏ผŸๅŠŸ่ƒฝไธๅ…จๆ€ŽไนˆๅŠž๏ผŸ็”จzsh๏ผ ็Žฏๅขƒ๏ผšUbuntu 22.04 zsh ๅฎ‰่ฃ…# ไปฅไธ‹ๆŒ‡ไปคๆŸฅ็œ‹ๆ˜ฏๅฆๅทฒๅฎ‰่ฃ… zsh๏ผš Copy zsh --version ่‹ฅ่พ“ๅ‡บ็ฑปไผผzsh 5.8.1 (x86_64-ubuntu-linux-gnu)ๅˆ™ๅทฒๅฎ‰่ฃ…โ€ฆ
่ฟœ็จ‹ๆœๅŠกๅ™จssh่ฟžๆŽฅ
.pem? ๆ˜ฏ่ฟžๆŽฅ่ฟœ็จ‹ๆœๅŠกๅ™จ็š„็ง้’ฅ๏ผŒไธ€่ˆฌ็ฝฎไบŽ.ssh/ไธ‹ ๅฆ‚ไฝ•่ฟžๆŽฅ๏ผŸ Copy ssh -i {.pemๆ–‡ไปถ} {username}@{ipๅœฐๅ€} Error WARNING: UNPROTECTED PRIVATE KEY FILE! ๆ–‡ไปถๆƒ้™้”™่ฏฏ๏ผŒๅบ”ๆ”นไธบๅช่ฏป Copy chmoโ€ฆ
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WSLๅฎ‰่ฃ…CUDA็‹ฌๆ˜พ PyTorch ๆทฑๅบฆๅญฆไน ็Žฏๅขƒ้…็ฝฎ๏ผŒๆต‹้€Ÿไธบไป€ไนˆ่ฆ็”จWSL๏ผŸ

ๆ˜“้”™็‚นๅœจๅœจCUDA็š„bash้…็ฝฎ้—ๆผๅ’ŒPyTorch็‰ˆๆœฌไธŠ๏ผŒ่ฆๅผ€ๅง‹็งƒๅคดไบ†
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่ฎฐไธ€ๆฌกๅฐ็ฑณๆ‰‹ๆœบๅˆทๆœบๅคฑ่ดฅๆ—ถ้š”ๅŠๅนดๅŽ็š„ๆ•‘็ –

ๅ‰่จ€ ๆˆ‘็š„ redmi k20 pro ๅŠๅนดๅ‰ๅ› ไธบๅˆท PixelExperience ๆญปๆœบไบ†ใ€‚ใ€‚ใ€‚ไปŠๅคฉๅŒๅญฆๆ‰พๆˆ‘ๅ€Ÿๆ‰‹ๆœบๆ‰ๆƒณ่ตท๏ผŒไบŽๆ˜ฏๆก่ตทๆฅๅ†่ฏ•่ฏ•ใ€‚ ๅŠๅนดๅ‰ๆฒก่งฃๅ†ณ็š„้—ฎ้ข˜ๆ˜ฏ๏ผšๆ‰‹ๆœบๅผ€ๆœบๅชไผš่ฟ›ๅ…ฅ fastboot ๆจกๅผ๏ผŒwindows ่ฏ†ๅˆซไธไบ†ๆ‰‹ๆœบ๏ผŒไนŸๅฐฑๆ— ๆณ•ๅผ€ๅฏ USB ่ฐƒ่ฏ•ใ€‚ ่ฟ™ๆฌก่งฃๅ†ณไบ†โ€ฆ
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ROS1 ๅฎ‰่ฃ… ubuntu22.04 ้‡ๅˆฐ็š„้—ฎ้ข˜ 404 Not Found & TURTLEBOT3_MODEL

็Žฏๅขƒ Windows 11 ๅฎ‰่ฃ…็š„ wsl-ubuntu Error: jammy Release 404 Not Found Copy Err:10 http://packages.ros.org/ros/ubuntu jammy Release 404 Not Foundโ€ฆ
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Artist: Lakiya: https://linktr.ee/lakiyalu, https://link3.cc/lakiya17 Troยฅ: https://linktr.ee/rtwtroy, https://link3.cc/rtwtroy Nil82: httpโ€ฆ
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ไปŽ0ๅผ€ๅง‹ๅŸบไบŽIDEAๅฎž็ŽฐJava่ฟžๆŽฅMySQLๆ•ฐๆฎๅบ“ใ€JDBCไบคไบ’ๅฎžไพ‹

ๅฎž็Žฐ java ๅ’Œๆ•ฐๆฎๅบ“ไบคไบ’๏ผŒๅŒ…ๆ‹ฌ้…็ฝฎ sql ็Žฏๅขƒ๏ผŒjava ๅบ“๏ผŒ็ฎ€ๅ•ไพ‹ๅญๅฎž็Žฐ ไธปๆœบ้…็ฝฎ๏ผšIntelliJ IDEA, SDK18, Windows11 ไธ‹่ฝฝ๏ผš Connector/J ็ณป็ปŸ้€‰ๆ‹ฉ Platform Independent MySQL Community 8โ€ฆ
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