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I ran the following code in both iOS 7 and iOS 8: UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation]; BOOL landscape = (orientation == UIInterfaceOrientationLandscapeLeft || orientation == UIInterfaceOrientationLandscapeRight); NSLog(@"Currently landscape: %@, width: %.2f, height: %.2f", (landscape ? @"Yes" : @"No"), [[UIScreen mainScreen] bounds].size.wi
The DOT Calculus (Dependent Object Types) Nada Amin Scala Days June 18, 2014 1 DOT: Dependent Object Types I DOT is a core calculus for path-dependent types. I Goals I simplify Scala’s type system by desugaring to DOT I simplify Scala’s type inference by relying on DOT I prove that DOT is type-safe 2 Types in Scala and DOT 3 Types in Scala modular named type scala.collection.BitSet compound type C
Do we Need Dependent Types? Daniel Fridlender Mia Indrika March 2001 Inspired by Danvy, we describe a technique for defining, within the Hindley-Milner type system, some functions which seem to require a language with dependent types. We illustrate this by giving a general definition of zipWith for which the Haskell library provides a family of functions, each member of the family having a differe
This post is based off of a talk I gave on March 8, 2019, that was unfortunately not recorded. In lieu of video, I decided to write this blog post so that I could share it with others. The slides of the talk are available here, although you do not need to read them in order to understand this post. I recently implemented a new sort of kind in GHC that you couldn’t write before. Here is one example
How to do dynamic dependent select box using Jquery, Ajax, PHP and Mysql. Dependent select box when a selection is made in a "Parent" box it allow to refresh a "child" box list data. In this post I had given a database relationship example betweent "catergory" and "subcategory". It's very simple jquery code hope you like this. Download Script Live Demo Database Sample database tables. Data tab
Fact Check-There is no evidence to suggest COVID-19 vaccines will kill people by causing antibody- dependent enhancement, current evidence demonstrates the opposite A baseless quote has been widely attributed to a Nobel Prize winner to claim people will die from antibody-dependent enhancement after receiving a COVID-19 jab. There is no evidence to back up this claim, nor was Reuters able to find a
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はじめに こんにちは、 id:RKTM です。 先日乗鞍岳にバックカントリースキーに行きました。昔は弱音を吐きながら必死で下りたルートを、今回は気持ちよく颯爽と(主観ですが)滑れるようになり、スキー技術の上達を感じて嬉しかったです。 位ヶ原から乗鞍岳剣ヶ峰方面 Rails 6.1の新機能:dependent: :destroy_async を使ってみた さて、最近MisocaはRails 6.1にアップデートしました。*1 早速Rails 6.1の新機能 dependent: :destroy_async を導入しましたので、その紹介をします。 dependent: :destroy_async は、関連を非同期で削除する Railsの関連を設定する際、 親 has_many :子, dependent: :destroyという設定を書いた人は多いと思います。これは「親のレコードを削除する
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Tomas Petricek, Dominic Orchard and Alan Mycroft Submitted to ESOP 2013 Monadic typing provides a unified way of tracking effects of computations, but there is no unified mechanism for tracking how computations rely on the environment in which they are executed. Since modern software runs in rich, distributed settings where each component executes on a different device, this is becoming an importa
移動速度に応じた自動ズーミング (デモ) (副題: よく見ると実は汚いくまちゃん) Copyright 2001 Takeo Igarashi 操作するときは、カーソルを中央に置くようにしてください。 自動ズーミングによるスクロール = 左マウスボタンでドラッグ 従来手法によるスクロール = 右マウスボタンでドラッグ + Z & X キー
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3 Dependent Type Systems as Macros STEPHEN CHANG, Northeastern University, USA and PLT Group, USA MICHAEL BALLANTYNE, Northeastern University, USA and PLT Group, USA MILO TURNER, Northeastern University, USA WILLIAM J. BOWMAN, University of British Columbia, Canada We present Turnstile+, a high-level, macros-based metaDSL for building dependently typed languages. With it, programmers may rapidly p
About SCONE Human language is contextual. In addition to understanding the surface meaning of words, a successful language understanding system should also interpret sentences relative to the environment and previous sentences. The task in the SCONE dataset is to execute a sequence of actions according to the instructions. Each scenario contains a world with several objects (e.g., beakers), each w
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The .gov means it’s official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site. The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Android Studio 2.3 has been released and I can talk a little about the data binding features that you’ll be able to use with it. One of the cool new things you can do is create dependent properties. Names, Names, NamesI have a view model representing a user in my application. It contains a first name, last name, user name, and a display name. The UI should update whenever these values change, so I
Temperature-dependent innate defense against the common cold virus limits viral replication at warm temperature in mouse airway cells Ellen F. Foxman, James A. Storer, Megan E. Fitzgerald, Bethany R. Wasik, Lin Hou, Hongyu Zhao, Paul E. Turner, Anna Marie Pyle, and Akiko Iwasaki Departments of aImmunobiology andbLaboratory Medicine, Yale University School of Medicine, New Haven, CT 06520;cDepartme
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今日はもう一つ。 以前書いた日記 "Not Exists" なクエリの最適化 のブックマークコメントで、id:bull2さんから「subquery 使った方がいいんじゃないか」という意見をいただいてました。 もともと MySQL 4.0 ばっかり使っていたので、あのエントリを書いた時点ではそもそも subquery を使うという発想が出てきてませんでした。で、 subquery を使った場合と得られる結果が本質的に同じならば、賢い MySQL さんが速いほうに勝手に書き換えてくれるはずなので、好きなほうを書けばいいことになります。すなわち書くのが簡単な subquery のほうが絶対いいですよね! というか、そもそもあのエントリは「"NOT EXISTS" なんていうのを実行計画でちゃんと考えているんだすげー」って話であって、最適なクエリを書くにはどうすればいいかって話ではないんですけどね
Windows Server 2008 for Itanium-Based Systems Windows Server 2008 Datacenter Windows Server 2008 Enterprise Windows Server 2008 Standard Windows Server 2008 Web Edition Microsoft Windows XP Professional x64 Edition Microsoft Windows Server 2003 Service Pack 2 Microsoft Windows XP Professional x64 Edition Microsoft Windows Server 2003 Service Pack 1 Microsoft Windows XP Service Pack 3 Microsoft Win
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A dependent territory, dependent area, or dependency (sometimes referred as an external territory) is a territory that does not possess full political independence or sovereignty as a sovereign state and remains politically outside the controlling state's integral area. As such, a dependent territory includes a range of non-integrated not fully to non-independent territory types, from associated s
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Type-Theory In Color Jean-Philippe Bernardy Guilhem Moulin Chalmers University of Technology and University of Gothenburg {bernardy,mouling}@chalmers.se Abstract Dependent type-theory aims to become the standard way to formal- ize mathematics at the same time as displacing traditional platforms for high-assurance programming. However, current implementa- tions of type theory are still lacking, in
Yesod is a Haskell web framework for productive development of type-safe, RESTful, high performance web applications. December 21, 2011By Greg WeberView source on Github There were some relatively recent discussions on Reddit about variable naming conventions. In my observations, Haskellers tend to go much to far to the extreme of very brief and succinct names. One reason why is because there are
Disclaimer: The opinions expressed here are my own and do not necessarily represent those of current or past employers. Recent CommentsJames Hamilton on Seagate HAMRTom Davies on Seagate HAMRMatt on Seagate HAMRJames Hamilton on Seagate HAMRMatt on Seagate HAMRJames Hamilton on Cost of Power in Large-Scale Data CentersChris K. on Cost of Power in Large-Scale Data CentersJames Hamilton on Cost of P
ワクチン接種ありきの対コロナ免疫プログラム - Vaccine Dependent Immunity Response Program (VDIRP)のご紹介 ワクチン二回接種後4~8か月後、定期的にブースターを打たず、COVIDに感染したらほぼ確実に重症化・死亡する確率が上がる。 それは何故か・・・ 要するに RNAやウイルスベクターによる不完全なコロナウイルスの情報の免疫システムへのインプットにより、免疫システムにパーマネントなバグ(不完全なコロナウイルスの情報)が生じ、そのバグはワクチンの効果が無くなった後も免疫システムのメモリーに残るわけ。 要するに免疫システムはそのバグをベースにワクチン接種ありきの対コロナ免疫プログラム(Vaccine Dependent Immunity Response Program)を組んでしまうんですね。 で、追加ブースター無しではもしコロナに感染した
Nikita Sobolev for wemake.services Posted on Jan 31, 2019 • Updated on Feb 9, 2019 Originally published in my blog: https://sobolevn.me/2019/01/simple-dependent-types-in-python I am quite excited about this new feature in python: simple dependent types. "Dependent types" might sound complex, but it is not. Instead, it is a useful feature and I am going to show how it works and when you should rely
dependentオプションとは? モデルのレコードがdestroyされたときの、関係付けされたモデルに対する挙動を定義するものです。 :destroy 関連付けられたモデルに対してもdestroyを実行することが出来る。 class User < ApplicationRecord # Userが削除された際に、それに関連付いているarticlesも削除される has_many :articles, dependent: :destroy end 削除時に、指定したモデルのレコードも同時に削除したい場合。 ActiveRecoreを介してdestroyに関連した処理も実行したい場合。 速度・サーバ負荷を気にする必要がない場合。 :delete/:delete_all destroy時に指定したモデルに対して、ActiveRecordを介せずに直接SQLクエリ(DELETE)が実行されます
This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting. The outbreak of SARS-CoV-2 in Wuhan, China caused a pandemic of COVID-19. However, it remains enigmatic why the mortality rate is variable among countries. Here we show that at least three types of SARS-CoV-2 virus, type S, K, and G, have spread globally and
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