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syohexã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (1,643)

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syohex 2024/06/12
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ZAZEN BOYSåŠ å…¥ã‹ã‚‰ã®5å¹´é–“ã¨ã€ ã‚¢ãƒ«ãƒãƒ ã€Žã‚‰ã‚“ã©ã€ã«è¾¼ã‚ãŸé‰„å£ã®ã‚°ãƒ«ãƒ¼ãƒ´ å‰ä½œã‹ã‚‰ç´„12å¹´ã¶ã‚Šã¨ãªã‚‹ã‚¢ãƒ«ãƒãƒ ã€Žã‚‰ã‚“ã©ã€ã‚’1æœˆ24æ—¥ã«ãƒªãƒªãƒ¼ã‚¹ã—ãŸã€å‘äº•ç§€å¾³çŽ‡ã„ã‚‹ZAZEN BOYSã€‚æœ¬ä½œã§ãƒ™ãƒ¼ã‚·ã‚¹ãƒˆã‚’å‹™ã‚ã‚‹ã®ã¯ã€2018å¹´ã«å‰ç”°ä¸€éƒŽã®å¾Œä»»ã¨ã—ã¦åŠ å…¥ã—ãŸMIYAã ã€‚ã“ã“ã§ã¯å½¼å¥³ã«ã€ãƒãƒ³ãƒ‰åŠ å…¥å¾Œåˆã®ã‚ªãƒªã‚¸ãƒŠãƒ«ãƒ»ã‚¢ãƒ«ãƒãƒ ã¨ãªã£ãŸæœ¬ä½œã‚’ä¸å¿ƒã«ZAZEN BOYSã§ã®åˆ¶ä½œã‚„ãƒ©ã‚¤ãƒ´ã«ã¤ã„ã¦èªžã£ã¦ã‚‚ã‚‰ã£ãŸã€‚1998å¹´ã«çµæˆã—ãŸãƒãƒ¼ãƒ‰ã‚³ã‚¢ãƒ»ãƒãƒ³ãƒ‰BLEACHã§å›½å¤–ã§ã‚‚é«˜ã„è©•ä¾¡ã‚’é›†ã‚ã€è§£æ•£å¾Œã¯åœ°å…ƒæ²–ç¸„ã§385ã®ãƒ™ãƒ¼ã‚¹ãƒ»ãƒ´ã‚©ãƒ¼ã‚«ãƒ«ã¨ã—ã¦æ´»èºã—ã¦ã„ãŸå½¼å¥³ãŒã€ã©ã®ã‚ˆã†ãªçµŒç·¯ã§ZAZEN BOYSã«åŠ å…¥ã™ã‚‹ã“ã¨ã«ãªã£ãŸã®ã‹ï¼Ÿâ€¦â€¦ã¾ãšã¯ãã“ã‹ã‚‰è©±ã‚’èžã„ãŸã€‚ãƒãƒ³ãƒ‰åŠ å…¥æ™‚ã®é€¡å·¡ã‹ã‚‰ã€ã‚¹ãƒ†ãƒ¼ã‚¸å“²å¦ã€ä½¿ç”¨æ©Ÿæã€å¥æ³•ï¼ˆå®Ÿæ¼”å‹•ç”»ã‚‚ï¼ï¼‰ã¾ã§ã€ãŸã£ã·ã‚Šã¨æ˜Žã‹ã—ã¦ãã‚ŒãŸæœ¬ã‚¤ãƒ³ã‚¿ãƒ“ãƒ¥ãƒ¼ã‚’ãŠæ¥½ã—ã¿ã„ãŸã ããŸã„ã€‚ ã¡ã‚‡ã†ã©â€œãƒ™ãƒ¼ã‚¹
syohex 2024/02/16
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Search, watch, and cook every single Tasty recipe and video ever - all in one place! News, Politics, Culture, Life, Entertainment, and more. Stories that matter to you.
syohex 2023/10/21
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Linux Kernel vs DPDK: HTTP Performance Showdown
# OverviewIn this post I will use a simple HTTP benchmark to do a head-to-head performance comparison between the Linux kernel's network stack, and a kernel-bypass stack powered by DPDK. I will run my tests using Seastar, a C++ framework for building high-performance server applications. Seastar has support for building apps that use either the Linux kernel or DPDK for networking, so it is the per
syohex 2022/07/05
linux

dpdk

http
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Building a toy browser
In the last several weeks, I have been building a toy browser based on an online book, Web Browser Engineering. As someone who spent a fair share of his career on web frontend, it was eye-opening and satisfying. It felt like I had been living on one side of a wall for years and finally visited the other side of the wall. I imagine other web frontend folks would like it as well. The book Web Browse
syohex 2022/06/08
browser

python
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Whatâ€™s new with io_uring
Jens Axboe Software Engineer Whatâ€™s new with io_uring FASTER IO WITH A CONSISTENT MODEL? YES PLEASE Quick primer Source: https://medium.com/nttlabs/rust-async-with-io-uring-db3fa2642dd4 System calls io_uring_setup(2) Sets up an io_uring instance, application then mmap(2)â€™s the SQ and CQ ring memory. Returns a file descriptor, application closes fd when done (or on process exit). io_uring_enter(2)
syohex 2022/06/02
linux

io_uring
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Learning F# â€” Web Scraping With F# Data - citizen428.net
syohex 2022/03/09
f#
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GitLabã§å¦ã‚“ã æœ€é«˜ã®åƒãæ–¹ Developers Summit 2022-02-18
Page Scrolling Vertical Scrolling Horizontal Scrolling Wrapped Scrolling
syohex 2022/02/21
work
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syohex 2021/12/27
english
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Noã‚’ä¼ãˆã‚‹æŠ€è¡“ #pmconf2021
mROS 2: yet another runtime environment onto embedded devices
syohex 2021/10/26
ãƒªãƒ³ã‚¯
æ¡ä»¶å¤‰æ•°ã¨spurious wakeup - yohhoyã®æ—¥è¨˜
æ¡ä»¶å¤‰æ•°(condition variable)åŒæœŸãƒ—ãƒªãƒŸãƒ†ã‚£ãƒ–ã«ã¾ã¤ã‚ã‚‹ "spurious wakeup" ã«ã¤ã„ã¦ãƒ¡ãƒ¢ã€‚ å®‰å®šã—ãŸå¯¾è¨³èªžãŒå˜åœ¨ã—ãªã„ã‚ˆã†ãªã®ã§ã€æœ¬è¨˜äº‹ã§ã¯ãã®ã¾ã¾è‹±èªžè¡¨è¨˜ã¨ã™ã‚‹*1ã€‚spurious ã¯ â€œå½ã®; ç–‘ä¼¼; ä¼¼éžâ€ ã¨ã„ã£ãŸæ„å‘³ã®å˜èªžã§ã‚ã‚Š*2ã€wakeup ã¯ â€œæ¡ä»¶å¤‰æ•°ã§å¾…æ©Ÿã—ã¦ã„ãŸã‚¹ãƒ¬ãƒƒãƒ‰ãŒãƒ–ãƒãƒƒã‚¯è§£é™¤ã•ã‚Œã¦å®Ÿè¡Œå†é–‹ã™ã‚‹â€ï¼ˆï¼å¯ã¦ã„ãŸã‚¹ãƒ¬ãƒƒãƒ‰ãŒèµ·ãã‚‹ï¼‰ã“ã¨ã‚’æ„å‘³ã™ã‚‹ã€‚ ã¾ã¨ã‚ï¼š spurious wakeup ã¯ã€ã€Œæ¡ä»¶å¤‰æ•°ã§ã®å¾…æ©Ÿ(wait)å‡¦ç†ã«ãŠã„ã¦ã€ä½•ã‚‚ã—ã¦ã„ãªã„ã®ã«ãƒ–ãƒãƒƒã‚¯è§£é™¤ã•ã‚Œã‚‹ç¾è±¡ã€ã‚’æŒ‡ã™ã€‚ãƒ©ã‚¤ãƒ–ãƒ©ãƒªå†…éƒ¨å®Ÿè£…ã‚„ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ï¼OSã®éƒ½åˆã¨ã„ã£ãŸã€åŒæœŸãƒ—ãƒªãƒŸãƒ†ã‚£ãƒ–ã®åˆ©ç”¨è€…ã‹ã‚‰é–¢ä¸Žã§ããªã„åŽŸå› ã«ã‚ˆã£ã¦ç”Ÿã˜ã‚‹ã€‚ãã®ç™ºç”Ÿé »åº¦ã¯ç‰¹ã«è¨€åŠã•ã‚Œãªã„ãŒã€ä¸€èˆ¬çš„ã«ã¯ä½Žç¢ºçŽ‡ã§ã—ã‹ç”Ÿã˜ãªã„ã¯ãšã€‚ spurious wakeup ã«å¯¾å¿œã™ã‚‹ãŸã‚ã€æ¡ä»¶å¤‰æ•°ã§ã®
syohex 2021/10/26
thread
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DBã‚µãƒ¼ãƒ“ã‚¹ã‚’ä½œã‚ã† ãã®0 æº–å‚™ - è±ªé¬¼ãƒ¡ãƒ¢
Tkrzwæœ¬ä½“ã§ã‚„ã‚ŠãŸã„äº‹ã‚’ã‚„ã‚Šåˆ‡ã£ãŸã®ã§ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒ“ã‚¹ã§ã‚‚ä½œã£ã¦ã¿ã‚ˆã†ã€‚æ—¢ã«ã‚¬ãƒãªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒ“ã‚¹ã¯å±±ã»ã©ã‚ã‚‹ã®ã§ã€ãƒ¬ãƒƒãƒ‰ã‚ªãƒ¼ã‚·ãƒ£ãƒ³ã«æ•¢ãˆã¦é£›ã³è¾¼ã‚€ã®ã‚‚æ°—ãŒå¼•ã‘ã‚‹ã€‚ã¨ã¯ã„ãˆã€gRPCã‚’ä½¿ã†ã¨ã‹ãªã‚Šæ°—è»½ã«é«˜æ€§èƒ½ãªã‚µãƒ¼ãƒ“ã‚¹ã‚’å®Ÿè£…ã§ãã‚‹ã®ã§ã€æ—¥æ›œå¤§å·¥ã®ã¤ã‚‚ã‚Šã§å–ã‚Šçµ„ã‚€ã€‚ãŠãã‚‰ã10å›žãã‚‰ã„ã®é€£è¼‰ã«ãªã‚‹ã ã‚ã†ã‹ã€‚ã“ã‚Œã‹ã‚‰ã—ã°ã‚‰ããƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒ“ã‚¹ã®è¨è¨ˆã¨å®Ÿè£…ã«ã¤ã„ã¦è¿°ã¹ã¦ã„ããŸã„ã€‚ åˆå›žã¯ã€gRPCã®åŸºæœ¬çš„ãªä½¿ã„æ–¹ã‚’ç¢ºèªã™ã‚‹ã€‚ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³•ã€ãƒ“ãƒ«ãƒ‰ã®è‡ªå‹•åŒ–ã€APIã®å®šç¾©ã€å®Ÿè£…ã€ãã—ã¦ãƒ†ã‚¹ãƒˆã¾ã§ã®ä¸€é€£ã®æµã‚Œã‚’è¿½ã†ã€‚ ã¾ãšæŠ€è¡“é¸å®šã«ã¤ã„ã¦ã ãŒã€ã“ã‚Œã¯ã‚‚ã†gRPCä¸€æŠžãªã®ã ã€‚Tokyo Tyrantã‚„Kyoto Tycoonã§ã¯ã€socketã¨ã‹selectã¨ã‹pollã¨ã‹epollã¨ã‹kqueueã¨ã‹ã„ã£ãŸã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’é§†ä½¿ã—ã¦è‡ªåˆ†ã§RPCæ©Ÿèƒ½ã‚’å®Ÿè£…ã—ã¦ã„ãŸãŒã€é¢å€’ãã•ã™ãŽã‚‹ã€‚ç«¶äº‰
syohex 2021/09/26
db

c++

gRPC
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How TCP backlog works in Linux
When an application puts a socket into LISTEN state using the listen syscall, it needs to specify a backlog for that socket. The backlog is usually described as the limit for the queue of incoming connections. Because of the 3-way handshake used by TCP, an incoming connection goes through an intermediate state SYN RECEIVED before it reaches the ESTABLISHED state and can be returned by the accept s
syohex 2021/09/19
tcp

linux
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16.2.2.7Â Memory Allocation within memcached
syohex 2021/09/17
memcached

slab allocator
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Billing Library v4.0.0 ã¸ã®æ›´æ–° - Studyplus Engineering Blog
ã“ã‚“ã«ã¡ã¯ã€ãƒ¢ãƒã‚¤ãƒ«ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚°ãƒ«ãƒ¼ãƒ—ã®ä¸å³¶ã§ã™ã€‚ æœ€è¿‘ã€ãƒ‡ã‚£ã‚¹ãƒ—ãƒ¬ã‚¤ã®ä¸Šã«å¼•ã£æŽ›ã‘ã¦ç‰©ã‚’ç½®ã‘ã‚‹ã‚ˆã†ã«ã™ã‚‹ãƒœãƒ¼ãƒ‰ã‚’è²·ã„ã¾ã—ãŸã€‚æ€ã£ãŸã‚ˆã‚Šä¾¿åˆ©ã«å°ç‰©ã‚’ç½®ã‘ã‚‹ã®ã§è‰¯ã•ã’ã§ã™ã€‚ ã•ã¦ã€ä»Šå›žã¯ Google Play Billing Library (ä»¥ä¸‹Billing Library) ã‚’ã€2021å¹´5æœˆã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸv4.0.0ã¸æ›´æ–°ã—ãŸã“ã¨ã«ã¤ã„ã¦ãŠè©±ã—ã¾ã™ã€‚ ã¾ãŸé–¢é€£äº‹é …ã¨ã—ã¦ã€ä»¥å‰ã®ãƒ–ãƒã‚°ã§ãŠè©±ã—ã—ã¾ã—ãŸå®šæœŸè³¼å…¥ã®ã‚°ãƒ¬ãƒ¼ãƒ‰åˆ‡ã‚Šæ›¿ãˆã«ã¤ã„ã¦ã‚‚ã€æ–°ã—ã„ã‚‚ã®ãŒè¿½åŠ ã•ã‚Œã¦ã„ã¾ã—ãŸã®ã§è»½ãè§¦ã‚Œã¦ãŠãã¾ã™ã€‚ tech.studyplus.co.jp Google Play Billing Library 4.0.0 ç´¹ä»‹ã•ã‚ŒãŸæ–°æ©Ÿèƒ½ ã‚³ãƒ¼ãƒ‰ä¸Šã®å¤‰æ›´ç‚¹ 1. Purchase#getSku() -> Purchase#getSkus() 2. BillingClient#queryPurchase
syohex 2021/09/16
android

billing_library
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Safer Usage Of C++
Safer UsageÂ Of C++ This document is PUBLIC. Chromium committers can comment on the original doc. If you want to comment but canâ€™t, ping palmer@. Thanks for reading! Google-internal short link:Â go/safer-cpp Authors/Editors:Â adetaylor, palmer Contributors:Â ajgo, danakj, davidben, dcheng, dmitrig, enh, jannh, jdoerrie, joenotcharles, kcc, markbrand, mmoroz, mpdenton, pkasting, rsesek, tsepez, awhalle
syohex 2021/09/09
c++
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GitHub - zoidyzoidzoid/awesome-ebpf: A curated list of awesome projects related to eBPF.
A curated list of awesome projects related to eBPF. BPF, as in Berkeley Packet Filter, is an in-kernel virtual machine running programs passed from user space. Initially implemented on BSD, then Linux, the (now legacy) "classic BPF" or cBPF machine would be used with tools like tcpdump for filtering packets in the kernel to avoid useless copies to user space. More recently, the BPF infrastructure
syohex 2021/08/31
linux

eBPF
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Windows / Visual Studio ä½¿ã„ãŒ WSL 2 / Visual Studio Code ã§ç’°å¢ƒæ§‹ç¯‰ã—ãŸæ™‚ã®æ‰‹é † - ã—ã°ã‚„ã‚“é›‘è¨˜
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syohex 2021/08/23
wsl2

windows
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ES modulesã®export defaultã¯ä½¿ã‚ãªã„ã»ã†ãŒã‚ˆã„ - Islands in the byte stream
ES modulesã«export defaultã£ã¦ã®ãŒã‚ã‚‹ã‚“ã§ã™ãŒã€default exportã®exportå¯¾è±¡ã«åå‰ãŒå¿…é ˆã§ãªã„ãŸã‚ã€IDEã«ã‚ˆã‚‹ã‚³ãƒ¼ãƒ‰è£œå®Œã¨ç›¸æ€§ãŒæ‚ªã„ã§ã™ã€‚ ä»–ã®ã¨ã“ã‚ã¯ã©ã†ã—ã¦ã‚‹ã®ã‹ãªã¨æ€ã£ã¦èª¿ã¹ã¦ã¿ã‚‹ã¨ã€Googleã®TypeScript Style Guide ã§ã¯ç¦æ¢ã•ã‚Œã¦ã¾ã—ãŸ(v1.0.0, 2019/07 ç¾åœ¨ï¼‰ã€‚ https://github.com/google/gts/blob/v1.0.0/tslint.json#L40 ("no-default-export": true) TypeScript compiler coding guidelineã«ã¯ç‰¹ã«è¨€åŠã¯ãªã„ã¿ãŸã„ã§ã™ãã€‚ https://github.com/Microsoft/TypeScript/wiki/Coding-guidelines ãã‚‚ãã‚‚export defaultã¯
syohex 2021/08/18
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syohex 2021/03/31
chrome

webview

performance
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