IT |
気になる、記になる… |
「Studio Display」は64GBのストレージを搭載か |
https://taisy0.com/2022/03/21/154972.html
|
studiodisplay |
2022-03-21 10:04:00 |
TECH |
Engadget Japanese |
ちょっとそこまでにはこれひとつで。小銭が入る「本革コインキーケース」 |
https://japanese.engadget.com/leather-coin-key-case-101552919.html
|
|
2022-03-21 10:15:52 |
python |
Pythonタグが付けられた新着投稿 - Qiita |
Python GitHubトレンドデイリーランキング!!【自動更新】 |
https://qiita.com/hgaiji/items/67bec5ff9e43089c0756
|
PythonGitHubトレンドデイリーランキング【自動更新】GitHubTrendingをキャッチアップする習慣をつけて、強強エンジニアになろう。 |
2022-03-21 19:04:25 |
golang |
Goタグが付けられた新着投稿 - Qiita |
【Golang / Gorm】URLのクエリパラメータでレコードをフィルタして取得するにはどうすればいいの? |
https://qiita.com/SDTakeuchi/items/707b755401868aa432be
|
topriceがURLのクエリで渡されなかったときに、toPriceにが入ってしまい、SQLがpriceBETWEENANDで飛ぶためにフィルタしても何も引っ掛からなくなってしまう強引に構造体をWhereで使おうとしているため、本来の構造体AlbumからPriceがない状態でコードに登場していて気持ちが悪い表現力構造体でフィルタしようとすると、アルバム名とアーティスト名が完全一致でしかフィルタできなかったフィルタ結果が件だった時のレスポンスを用意していないGolangに対して気分が勝手に期待していた点として、「構造体を利用すればなんでも便利になるんじゃね」というのがあったのですが、今思うとさすがにチンパンジー過ぎました。 |
2022-03-21 19:13:31 |
海外TECH |
MakeUseOf |
How Tile's New Scan & Secure Feature Prevents Unwanted Tracking |
https://www.makeuseof.com/tile-scan-secure-prevent-stalking/
|
feature |
2022-03-21 10:30:13 |
海外TECH |
DEV Community |
The borrow checker |
https://dev.to/ayomide_bajo/the-borrow-checker-2bah
|
The borrow checkerHey guys Welcome to another blog post on Rust In the last post I mentioned the borrow checker briefly In this post I m going to share what I ve learned so far about the borrow checker Now before we go into that we need to go back to the foundational knowledge we had the last time Rust s uniqueness is memory safety the way it achieves this is by implementing a mechanism of ownership What is ownership Ownership is a set of rules created to manage how rust manages memory Languages like JavaScript uses garbage collection this basically means it frees the memory when they are not used anymore In Rust this is managed by a set of rules that the compiler checks if they are violated the program won t compile These rules are as follows Each value that is contained in a variable is tagged it s owner or simply put any variable initialised with a value is the owner of that value It is tagged it s owner For example let basket i The variable basket here is tagged the owner here There can be only one owner at a time This means that whatever value that is been allocated into the memory can only point to one owner at a time For example Using the example above but adding more modificationslet basket i let house basket If you re coming from JavaScript like me doing this won t bring any error when we call the first variable basket In Rust this will throw an error at compile time that we ve moved the ownership to the new variableOf course this won t be the exact error but this is what it means Therefore basket is no longer available When the owner goes out of scope the value will be dropped This means that when we initialise a variable in a function which is also a scope or any scope the value is dropped when the scope is over For example let apple apple println This fruit is an apple This won t compile because the scope of apple has been dropped before we could access it What is the borrow checker This can be referred to as the mechanism in the compiler that checks and validates the ownership rules in your program Whether is a reference or if the variable owns the value We can t talk about the borrow checker without talking about references the stack and the heap For you to understand the borrow checker well you need to learn how rust data types are stored Because of the uniqueness of the language you need to know whether a value is stored on the stack or the heap It s crucial in Rust development The Stack and the HeapBoth the the stack and the heap are available to you code at runtime but they are structured in different ways The stack stores the value in the order It gets them and removes the values in the opposite order This can be referred to as the the last in first out order To explain this convention think about a stack plates or a stack of books you have to remove from the top to avoid destruction Removing from the stack is called popping adding to it is called pushing All data stored on the stack must be a known fixed size The heap is less organised when you put data on the heap you request a certain amount of space The memory allocator finds an empty slot in the heap if the memory is big enough it allocates it to your value and returns a pointer which is the address of the location To explain this better think of a park Let s say John and his friends family decide to go out on a picnic they need to take a few things or a lot of things for the picnic John goes to look for a space at the park or rent a space The space depends on the people their things and so on this space can be compared to allocating memory on the heap The exact location of the picnic can be compared to the pointer Let s say the picnic is under a mango tree to locate the picnic John tells his friends the picnic is under the mango tree that s how his friends are able to locate him easily At the end of the picnic they go to their various homes The space for the picnic is no longer in use This can be compared to when the value on the heap is now deallocated or cleaned up at the end of the program The park can be compared to as the heap References A reference is like a pointer in that It s an address we can follow to access data stored in that address that is owned by some other variable A reference is guaranteed to point to a valid variable of a particular type unlike a pointer Let s go back to the picnic example remember John s picnic was under the mango tree which is a location A pointer will still point to a location even when it doesn t have any value References don t that s why there s another concept of lifetimes This will be another topic I don t want to overload this post So that s the basic concept of the borrow checker the rules that guides it the mechanism and my thought process I recommend reading through the Rust book It s where I m learning how to write Rust See you soon |
2022-03-21 10:05:50 |
海外TECH |
Engadget |
Brazil reverses its Telegram ban after just two days |
https://www.engadget.com/brazil-telegram-ban-reverse-supreme-court-101057363.html?src=rss
|
Brazil reverses its Telegram ban after just two daysA judge on Brazil s Supreme Court has reversed a ban on Telegram two days after blocking the messaging app for ignoring orders Telegram CEO Pavel Durov said the company missed the court s emails quot We complied with an earlier court decision in late February and responded with a suggestion to send future takedown requests to a dedicated email address quot Durov wrote on Telegram on Friday quot Unfortunately our response must have been lost because the Court used the old general purpose email address in further attempts to reach us As a result we missed its decision in early March that contained a follow up takedown request Luckily we have now found and processed it delivering another report to the Court today quot Durov added that Telegram will appoint a representative in Brazil and set up a framework so it can address requests more promptly According to The New York Times Telegram complied with the court s demands by taking down classified information posted on President Jair Bolsonaro s channel and deleting the accounts of a Bolsonaro supporter who was allegedly spreading misinformation The court then reversed the ban Telegram reacted so swiftly that the ban which was imposed by a judge who is running multiple investigations into Bolsonaro and his allies for spreading misinformation was never actually in effect The court order gave Apple Google ISPs and phone providers five days to block the app Durov and his team made some other changes to the app in Brazil in the hope of avoiding another ban Officials are said to be concerned about misinformation in the lead up to the general election in October As such Telegram will start promoting verified information and labeling posts containing falsehoods It will also monitor the most popular channels in the country Telegram says those account for percent of views of public posts The company has typically taken a hands off approach to content moderation The far right Bolsonaro has used it as a means of communication with his million followers after the likes of Twitter Facebook and YouTube took a firmer stance against misinformation Brazil has become a key market for Telegram According to data from Sensor Tower Brazilians have installed Telegram more than million times Between January st and March th the day before the court issued the ban Brazilian iOS and Android users downloaded the app an estimated million times |
2022-03-21 10:10:57 |
海外TECH |
CodeProject Latest Articles |
Get faster performance for Deep Learning Models with the help of Intel® Distribution of OpenVINO™ toolkit Execution Provider and Intel® DevCloud |
https://www.codeproject.com/Articles/5326992/Get-faster-performance-for-Deep-Learning-Models-wi
|
Get faster performance for Deep Learning Models with the help of IntelDistribution of OpenVINOtoolkit Execution Provider and IntelDevCloudThe IntelDistribution of OpenVINOtoolkit is a comprehensive toolkit for quickly developing applications and solutions that solve a variety of tasks including emulation of human vision automatic speech recognition natural language processing recommendation systems and many others |
2022-03-21 10:57:00 |
海外TECH |
CodeProject Latest Articles |
Must read for WPF developers: WPF Control Test Bench |
https://www.codeproject.com/Articles/5327985/Must-read-for-WPF-developers-WPF-Control-Test-Benc
|
benchwpftestbench |
2022-03-21 10:57:00 |
海外TECH |
CodeProject Latest Articles |
C++ Simple BOOST Asynchronous ASIO Reverse Proxy |
https://www.codeproject.com/Tips/5302180/Cplusplus-Simple-BOOST-Asynchronous-ASIO-Reverse-P
|
asynchronous |
2022-03-21 10:26:00 |
金融 |
ニュース - 保険市場TIMES |
アクサダイレクト生命、「第8回子どものおけいこ事に関する調査」結果を発表 |
https://www.hokende.com/news/blog/entry/2022/03/21/200000
|
アクサダイレクト生命、「第回子どものおけいこ事に関する調査」結果を発表新型コロナの感染拡大などが与えた影響はアクサダイレクト生命保険株式会社以下、アクサダイレクト生命は年月日、「第回子どものおけいこ事に関する調査」の結果を発表した。 |
2022-03-21 20:00:00 |
ニュース |
BBC News - Home |
China Eastern: Plane carrying 132 people crashes in Guangxi mountains |
https://www.bbc.co.uk/news/world-asia-china-60819760?at_medium=RSS&at_campaign=KARANGA
|
china |
2022-03-21 10:44:56 |
ニュース |
BBC News - Home |
Sabita Thanwani killing: Family pay tribute to 'irreplaceable angel' |
https://www.bbc.co.uk/news/uk-england-london-60821179?at_medium=RSS&at_campaign=KARANGA
|
sabita |
2022-03-21 10:34:22 |
ニュース |
BBC News - Home |
Free-range eggs no longer available in UK due to bird flu |
https://www.bbc.co.uk/news/business-60820595?at_medium=RSS&at_campaign=KARANGA
|
fluthe |
2022-03-21 10:40:30 |
ニュース |
BBC News - Home |
La Liga: Pierre-Emerick Aubameyang scores twice as Barcelona thrash Real Madrid |
https://www.bbc.co.uk/sport/av/football/60820697?at_medium=RSS&at_campaign=KARANGA
|
La Liga Pierre Emerick Aubameyang scores twice as Barcelona thrash Real MadridWatch highlights as Barcelona thrash Real Madrid in La Liga s El Classico match at the Bernabeu featuring goals from Pierre Emerick Aubameyang Ronald Araújo and Fernando Torres |
2022-03-21 10:07:35 |
サブカルネタ |
ラーブロ |
西所沢駅近くの「山田うどん食堂」で煮干し系醤油ラーメン! |
http://ra-blog.net/modules/rssc/single_feed.php?fid=197441
|
西所沢駅近くの「山田うどん食堂」で煮干し系醤油ラーメン昨日まで北浦和の美術館で企画展に参加しておりまして、何度か会場に足を運んでいた。 |
2022-03-21 10:23:51 |
北海道 |
北海道新聞 |
島川が初優勝、原は6位 全日本モーグル最終日 |
https://www.hokkaido-np.co.jp/article/659431/
|
全日本選手権 |
2022-03-21 19:17:11 |
北海道 |
北海道新聞 |
リュイス氏が暫定的に指揮 神戸、三浦前監督の後任 |
https://www.hokkaido-np.co.jp/article/659440/
|
神戸 |
2022-03-21 19:14:11 |
北海道 |
北海道新聞 |
中国南部で旅客機が墜落 132人搭乗、山火事発生 |
https://www.hokkaido-np.co.jp/article/659429/
|
中国民用航空局 |
2022-03-21 19:14:11 |
北海道 |
北海道新聞 |
夕張市内の名所めぐる第1回「バリバリメロンラン」 7月開催 |
https://www.hokkaido-np.co.jp/article/659457/
|
夕張市内 |
2022-03-21 19:21:00 |
北海道 |
北海道新聞 |
ロボットでベッド搬送補助 コロナ禍、医療の負担軽減 |
https://www.hokkaido-np.co.jp/article/659451/
|
北九州市 |
2022-03-21 19:04:00 |
北海道 |
北海道新聞 |
日ハム新球場 内部公開 最前列はホームまで15メートル |
https://www.hokkaido-np.co.jp/article/659456/
|
北海道日本ハム |
2022-03-21 19:17:00 |
北海道 |
北海道新聞 |
大牟田、佐賀商が初優勝 全国高校柔道最終日 |
https://www.hokkaido-np.co.jp/article/659454/
|
日本武道館 |
2022-03-21 19:07:00 |
ビジネス |
東洋経済オンライン |
元営業マンが語る「貯蓄型の保険は損する」の理由 「積み立てか掛け捨てか」の議論はもはや不毛 | 家計・貯金 | 東洋経済オンライン |
https://toyokeizai.net/articles/-/535949?utm_source=rss&utm_medium=http&utm_campaign=link_back
|
営業マン |
2022-03-21 19:30:00 |
コメント
コメントを投稿