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はてなキーワード: IT Proとは
In today’s fast-paced travel industry, small businesses need to stay nimble and connected. One way to do this is by tapping into flight APIs. These powerful tools can elevate your travel booking system, making it easier to offer competitive flight options. So, what’s the the best flight API for your small travel business? Let’s explore some of the top choices out there.
Understanding Flight APIs: What Are They?
At their core, flight APIs allow access to flight data. Think of them as a bridge connecting users to various airlines and travel service providers. By integrating these APIs, small businesses can fetch flight schedules, availability, and prices, helping travelers find the deals they need, all in one place.
Skyscanner API: A Treasure Trove of Options
Skyscanner API stands out as a favorite. It's like having your own travel assistant at your fingertips. This API provides comprehensive data on flights, accommodations, and car rentals across multiple airlines. With its user-friendly structure, you can seamlessly integrate it into your website. Plus, it’s excellent for small businesses looking to offer a wide range of options without getting bogged down by complex systems.
Amadeus API: Powering Your Travel Solutions
Amadeus isn't just a giant in the travel world; it’s a goldmine for small businesses too. This API provides robust functionalities, allowing you to access information about flight availability, fare rules, and even check-in details. Imagine being able to offer your customers personalized travel experiences, all thanks to the wealth of data Amadeus supplies.
Kiwi.com API: The Flexibility You Need
Kiwi.com API gives you the flexibility to combine different airlines and find unique routes. It’s like having a magic wand that creates unconventional itineraries! You can cater to budget travelers who love to explore offbeat paths. In a world where travelers crave personalized experiences, this API offers just that.
Travelport API: A Well-Rounded Option
If you’re looking for a well-rounded travel API, Travelport does not disappoint. It offers access to a multitude of airlines and provides detailed pricing and availability. Using Travelport, you can manage bookings and even handle customer service queries seamlessly. It’s like having a one-stop shop for all your travel API needs.
Sabre API: The Industry Leader
Sabre API is another heavyweight champion in the travel industry. With a vast network and established reputation, it provides detailed flight information and booking capabilities. If your small business aims to grow into a trusted name, partnering with Sabre can help you reach a broader audience.
What to Consider When Choosing an API
Choosing the right API can be overwhelming, but it boils down to a few essential factors:
• Cost: Is there a fee to use the API? Always weigh the costs against your potential revenue.
• Documentation: How easy is it to integrate? Well-documented APIs are easier and less time-consuming to implement.
• Support: If you run into issues, how responsive is their support team? Quality customer support can save you a lot of headaches.
For small travel businesses, flight APIs are more than just tools; they’re keys to unlocking wider opportunities. Each API has its unique perks, so it’s crucial to find the one that aligns with your business goals. With the right flight API, you can simplify booking processes, enhance customer satisfaction, and ultimately boost your bottom line. Embrace the innovation, and let your travel business soar!
Source & Published by: https://www.namantechnolab.com/
In today’s fast-paced travel industry, small businesses need to stay nimble and connected. One way to do this is by tapping into flight APIs. These powerful tools can elevate your travel booking system, making it easier to offer competitive flight options. So, what’s the the best flight API for your small travel business? Let’s explore some of the top choices out there.
Understanding Flight APIs: What Are They?
At their core, flight APIs allow access to flight data. Think of them as a bridge connecting users to various airlines and travel service providers. By integrating these APIs, small businesses can fetch flight schedules, availability, and prices, helping travelers find the deals they need, all in one place.
Skyscanner API: A Treasure Trove of Options
Skyscanner API stands out as a favorite. It's like having your own travel assistant at your fingertips. This API provides comprehensive data on flights, accommodations, and car rentals across multiple airlines. With its user-friendly structure, you can seamlessly integrate it into your website. Plus, it’s excellent for small businesses looking to offer a wide range of options without getting bogged down by complex systems.
Amadeus API: Powering Your Travel Solutions
Amadeus isn't just a giant in the travel world; it’s a goldmine for small businesses too. This API provides robust functionalities, allowing you to access information about flight availability, fare rules, and even check-in details. Imagine being able to offer your customers personalized travel experiences, all thanks to the wealth of data Amadeus supplies.
Kiwi.com API: The Flexibility You Need
Kiwi.com API gives you the flexibility to combine different airlines and find unique routes. It’s like having a magic wand that creates unconventional itineraries! You can cater to budget travelers who love to explore offbeat paths. In a world where travelers crave personalized experiences, this API offers just that.
Travelport API: A Well-Rounded Option
If you’re looking for a well-rounded travel API, Travelport does not disappoint. It offers access to a multitude of airlines and provides detailed pricing and availability. Using Travelport, you can manage bookings and even handle customer service queries seamlessly. It’s like having a one-stop shop for all your travel API needs.
Sabre API: The Industry Leader
Sabre API is another heavyweight champion in the travel industry. With a vast network and established reputation, it provides detailed flight information and booking capabilities. If your small business aims to grow into a trusted name, partnering with Sabre can help you reach a broader audience.
What to Consider When Choosing an API
Choosing the right API can be overwhelming, but it boils down to a few essential factors:
• Cost: Is there a fee to use the API? Always weigh the costs against your potential revenue.
• Documentation: How easy is it to integrate? Well-documented APIs are easier and less time-consuming to implement.
• Support: If you run into issues, how responsive is their support team? Quality customer support can save you a lot of headaches.
For small travel businesses, flight APIs are more than just tools; they’re keys to unlocking wider opportunities. Each API has its unique perks, so it’s crucial to find the one that aligns with your business goals. With the right flight API, you can simplify booking processes, enhance customer satisfaction, and ultimately boost your bottom line. Embrace the innovation, and let your travel business soar!
Source & Published by: https://www.namantechnolab.com/
The Sacrament—and the Sacrifice
Of the Quorum of the Twelve Apostles
I pray for your faith and prayers that my utterances will be received and understood “by the Spirit of truth” and that my expressions will be given “by the Spirit of truth” so that we might all be “edified and rejoice together.” (See D&C 50:21–22.)
As I stand here today—a well man—words of gratitude and acknowledgment of divine intervention are so very inadequate in expressing the feelings in my soul.
Six months ago at the April general conference, I was excused from speaking as I was convalescing from a serious operation. My life has been spared, and I now have the pleasant opportunity of acknowledging the blessings, comfort, and ready aid of my Brethren in the First Presidency and Quorum of the Twelve, and other wonderful associates and friends to whom I owe so much and who surrounded my dear wife, Ruby, and my family with their time, attention, and prayers. For the inspired doctors and thoughtful nurses I express my deepest gratitude, and for the thoughtful letters and messages of faith and hope received from many places in the world, many expressing, “You have been in our prayers” or “We have been asking our Heavenly Father to spare your life.” Your prayers and mine, thankfully, have been answered.
One unusual card caused me to ponder upon the majesty of it all. It is an original painting by Arta Romney Ballif of the heavens at night with its myriad golden stars. Her caption, taken from Psalms, reads:
“He healeth the broken in heart, and bindeth up their wounds.
“He telleth the number of the stars; he calleth them all by their names.
“… His understanding is infinite.” (Ps. 147:1, 3–5.)
As I lay in the hospital bed, I meditated on all that had happened to me and studied the contemplative painting by President Marion G. Romney’s sister and the lines from Psalms: “He telleth the number of the stars; he calleth them all by their names.” I was then—and continue to be—awed by the goodness and majesty of the Creator, who knows not only the names of the stars but knows your name and my name—each of us as His sons and daughters.
“When I consider thy heavens, the work of thy fingers, the moon and the stars, which thou hast ordained;
“What is man, that thou art mindful of him? …
“For thou hast made him a little lower than the angels, and hast crowned him with glory and honour.” (Ps. 8:3–5.)
To be remembered is a wonderful thing.
The evening of my health crisis, I knew something very serious had happened to me. Events happened so swiftly—the pain striking with such intensity, my dear Ruby phoning the doctor and our family, and I on my knees leaning over the bathtub for support and some comfort and hoped relief from the pain. I was pleading to my Heavenly Father to spare my life a while longer to give me a little more time to do His work, if it was His will.
While still praying, I began to lose consciousness. The siren of the paramedic truck was the last that I remembered before unconsciousness overtook me, which would last for the next several days.
The terrible pain and commotion of people ceased. I was now in a calm, peaceful setting; all was serene and quiet. I was conscious of two persons in the distance on a hillside, one standing on a higher level than the other. Detailed features were not discernible. The person on the higher level was pointing to something I could not see.
I heard no voices but was conscious of being in a holy presence and atmosphere. During the hours and days that followed, there was impressed again and again upon my mind the eternal mission and exalted position of the Son of Man. I witness to you that He is Jesus the Christ, the Son of God, Savior to all, Redeemer of all mankind, Bestower of infinite love, mercy, and forgiveness, the Light and Life of the world. I knew this truth before—I had never doubted nor wondered. But now I knew, because of the impressions of the Spirit upon my heart and soul, these divine truths in a most unusual way.
I was shown a panoramic view of His earthly ministry: His baptism, His teaching, His healing the sick and lame, the mock trial, His crucifixion, His resurrection and ascension. There followed scenes of His earthly ministry to my mind in impressive detail, confirming scriptural eyewitness accounts. I was being taught, and the eyes of my understanding were opened by the Holy Spirit of God so as to behold many things.
The first scene was of the Savior and His Apostles in the upper chamber on the eve of His betrayal. Following the Passover supper, He instructed and prepared the sacrament of the Lord’s Supper for His dearest friends as a remembrance of His coming sacrifice. It was so impressively portrayed to me—the overwhelming love of the Savior for each. I witnessed His thoughtful concern for significant details—the washing of the dusty feet of each Apostle, His breaking and blessing of the loaf of dark bread and blessing of the wine, then His dreadful disclosure that one would betray Him.
He explained Judas’s departure and told the others of the events soon to take place.
Then followed the Savior’s solemn discourse when He said to the Eleven: “These things I have spoken unto you, that in me ye might have peace. In the world ye shall have tribulation: but be of good cheer; I have overcome the world.” (John 16:33.)
Our Savior prayed to His Father and acknowledged the Father as the source of His authority and power—even to the extending of eternal life to all who are worthy.
He prayed, “And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.”
Jesus then reverently added:
“I have glorified thee on the earth: I have finished the work which thou gavest me to do.
“And now, O Father, glorify thou me with thine own self with the glory which I had with thee before the world was.” (John 17:3–5.)
He pled not only for the disciples called out from the world who had been true to their testimony of Him, “but for them also which shall believe on me through their word.” (John 17:20.)
When they had sung a hymn, Jesus and the Eleven went out to the Mount of Olives. There, in the garden, in some manner beyond our comprehension, the Savior took upon Himself the burden of the sins of mankind from Adam to the end of the world. His agony in the garden, Luke tells us, was so intense “his sweat was as … great drops of blood falling … to the ground.” (Luke 22:44.) He suffered an agony and a burden the like of which no human person would be able to bear. In that hour of anguish our Savior overcame all the power of Satan.
The glorified Lord revealed to Joseph Smith this admonition to all mankind:
“Therefore I command you to repent …
“For … I, God, … suffered … for all, that they might not suffer if they would repent; …
“Which suffering caused myself, even God, the greatest of all, to tremble because of pain, and to bleed at every pore, …
“Wherefore, I command you again to repent, lest I humble you with my almighty power; and that you confess your sins, lest you suffer these punishments.” (D&C 19:15–16, 18, 20.)
During those days of unconsciousness I was given, by the gift and power of the Holy Ghost, a more perfect knowledge of His mission. I was also given a more complete understanding of what it means to exercise, in His name, the authority to unlock the mysteries of the kingdom of heaven for the salvation of all who are faithful. My soul was taught over and over again the events of the betrayal, the mock trial, the scourging of the flesh of even one of the Godhead. I witnessed His struggling up the hill in His weakened condition carrying the cross and His being stretched upon it as it lay on the ground, that the crude spikes could be driven with a mallet into His hands and wrists and feet to secure His body as it hung on the cross for public display.
Crucifixion—the horrible and painful death which He suffered—was chosen from the beginning. By that excruciating death, He descended below all things, as is recorded, that through His resurrection He would ascend above all things. (See D&C 88:6.)
Jesus Christ died in the literal sense in which we will all die. His body lay in the tomb. The immortal spirit of Jesus, chosen as the Savior of mankind, went to those myriads of spirits who had departed mortal life with varying degrees of righteousness to God’s laws. He taught them the “glorious tidings of redemption from the bondage of death, and of possible salvation, … [which was] part of [our] Savior’s foreappointed and unique service to the human family.” (James E. Talmage, Jesus the Christ, Salt Lake City: Deseret Book Co., 1977, p. 671.)
I cannot begin to convey to you the deep impact that these scenes have confirmed upon my soul. I sense their eternal meaning and realize that “nothing in the entire plan of salvation compares in any way in importance with that most transcendent of all events, the atoning sacrifice of our Lord. It is the most important single thing that has ever occurred in the entire history of created things; it is the rock foundation upon which the gospel and all other things rest,” as has been declared. (Bruce R. McConkie, Mormon Doctrine, Salt Lake City: Bookcraft, 1966, p. 60.)
Father Lehi taught his son Jacob and us today:
“Wherefore, redemption cometh in and through the Holy Messiah; for he is full of grace and truth.
“Behold, he offereth himself a sacrifice for sin, to answer the ends of the law, unto all those who have a broken heart and a contrite spirit; and unto none else can the ends of the law be answered.
“Wherefore, how great the importance to make these things known unto the inhabitants of the earth, that they may know that there is no flesh that can dwell in the presence of God, save it be through the merits, and mercy, and grace of the Holy Messiah, who layeth down his life according to the flesh, and taketh it again by the power of the Spirit, that he may bring to pass the resurrection of the dead, being the first that should rise.
“Wherefore, he is the firstfruits unto God, inasmuch as he shall make intercession for all the children of men; and they that believe in him shall be saved.” (2 Ne. 2:6–9.)
Our most valuable worship experience in the sacrament meeting is the sacred ordinance of the sacrament, for it provides the opportunity to focus our minds and hearts upon the Savior and His sacrifice.
The Apostle Paul warned the early Saints against eating this bread and drinking this cup of the Lord unworthily. (See 1 Cor. 11:27–30.)
Our Savior Himself instructed the Nephites, “Whoso eateth and drinketh my flesh and blood unworthily [brings] damnation to his soul.” (3 Ne. 18:29.)
Worthy partakers of the sacrament are in harmony with the Lord and put themselves under covenant with Him to always remember His sacrifice for the sins of the world, to take upon them the name of Christ and to always remember Him, and to keep His commandments. The Savior covenants that we who do so shall have His spirit to be with us and that, if faithful to the end, we may inherit eternal life.
Our Lord revealed to Joseph Smith that “there is no gift greater than the gift of salvation,” which plan includes the ordinance of the sacrament as a continuous reminder of the Savior’s atoning sacrifice. He gave instructions that “it is expedient that the church meet together often to partake of bread and wine in the remembrance of the Lord Jesus.” (D&C 6:13; D&C 20:75.)
Immortality comes to us all as a free gift by the grace of God alone, without works of righteousness. Eternal life, however, is the reward for obedience to the laws and ordinances of His gospel.
I testify to all of you that our Heavenly Father does answer our righteous pleadings. The added knowledge which has come to me has made a great impact upon my life. The gift of the Holy Ghost is a priceless possession and opens the door to our ongoing knowledge of God and eternal joy. Of this I bear witness, in the holy name of Jesus Christ, amen.
「ネットde真実を止めろ」というくせに、原典に当たらずに自分に都合のいいネット情報を組み合わせてるだけなんだよお前
When to use a mask
・If you are healthy, you only need to wear a mask if you are taking care of a person with suspected 2019-nCoV infection.
・Wear a mask if you are coughing or sneezing.
・Masks are effective only when used in combination with frequent hand-cleaning with alcohol-based hand rub or soap and water.
・If you wear a mask, then you must know how to use it and dispose of it properly.
マスクを装着すべきケース
(async () => console.log( (await Promise.all( [ 'xevra', 'Hamachiya2', 'zyzy', 'naoya', 'amerio', 'nitoyon', //'sbedit1234', 'blueboy', 'aikoku_sensei', 'aflat_1000dai4', 'kyo_ju', 'MermaidSong', 'anigoka', 'miruna', 'the_sun_also_rises', 'enderuku', 'frothmouth', 'tanaka_yuuma', 'rag_en', 'comzoo', 'Yagokoro', 'kowyoshi', 'quick_past', 'zaikabou', 'gui1', 'scopedog', 'qwerton', 'white_rose', 'kaitoster', 'ninosan', 'n2s', //'atsupi0420', //'hidamari1993', //'ketudan', 'synonymous', 'narwhal', 'cloq', 'kazuyomugi', 'Doen', 'Ilovenoel', 'ribbentrop189', 'htnmiki', 'botuyoku', 'hagex', 'p_shirokuma', 'takayoz', //'moko_chan', 'Delete_All' ].map( async id => (await fetch(`http://b.hatena.ne.jp/api/internal/cambridge/user/${id}`)).json() ) )).sort((a,b)=>b.user.total_followers-a.user.total_followers).map(e=>`${e.user.display_name}:${e.user.total_followers}`).join('\n') ) )()
先日の大規模障害について理解の確認を兼ねて書いてみたいと思います。多分来週辺りに日経IT Proが特集してると思いますが。
インターネットは「ネットワークのネットワーク」とも言われ、要はISPが沢山繋がったイメージです。
ただISPの中もそれなりに大きなネットワークですので、ある統一したポリシに従って運用される必要があります。そのポリシが適用されるネットワーク単位がAS＝autonomous system＝自律システムです。なので必ずしも1ISP＝1つのASであるとは限りませんし、最近はコンテンツやサービスを持つ事業者、つまりAmazonやYahoo、GoogleもまたASを運用しています。
ASは自分の情報を他のASに伝え、他のAS内に居る人がアクセスできるようにします。それが「経路情報」と呼ばれるものです。これを交換することで地球の裏側のネットワークにでも辿り着けるようにするわけです。
フラットな関係でお互いに情報交換すれば解決しそうな話ですが、現実世界と同じようにAS間には力関係、つまり上下関係が生じます。
ISPですと、下位のISPはより上位のISPから「経路情報」を購入しなければ世界へ繋がれません。その最上位に位置するのがTier1と呼ばれる事業者です。現在は約10社ほどですが、彼らが経路情報を互いに交換して作られるのがインターネット上の全ての経路情報＝フルルートになります。
Tier1は米国の事業者が多いのですが、買収したことでNTT-ComやソフトバンクはTier1となっています。
いよいよ本題です。
AS間でやり取りする経路情報はざっくり言えば「10.0.0.1/24のアドレスを持つAS1に行くには、AS10とAS20とAS30を通ってきてね！」という情報です。この情報を受けたAS200は、この逆順に辿るように案内すれば10.0.0.1/24に辿れるわけです。簡単ですね。
ただし、ISPであれば複数のASと接続しているのが普通です。なので別のAS100からは「10.0.0.1/24のアドレスを持つAS1に行くには、AS150とAS100を通ってきてね！」という情報がもたらされるかも知れません。単純に考えて、AS100の経路の方が経由するASが少ないので速そうですのでこれを優先して案内するようにします。単純ですね（実際には他要素を加味して制御します）。
これら情報を受けたAS200は繋がっている他のASに対して、同様に「10.0.0.1/24のアドレスを持つAS1に行くには、AS150とAS100とAS200を通ってきてね！」と伝搬してあげたりもします(しない場合もあります)。
こんな風に経路情報を交換するプロトコルがBGPです。経路情報は定期的に交換するのではなく、変更があった際に広告(advertise)されます。
ところでASは基本的に自分の情報を出すものですが、実は誰でも他ネットワークの情報を出すことができます。つまり「自分(AS)の管理していないIPアドレス」に対しても「この順路で来てね！」という案内が出せてしまいます。認証なんて面倒なものはありません。IPアドレスが割り当てられたからといって、それがどのAS内に属しているかは実は別問題なのです。
もちろんある程度防ぐ仕組み、チェックする仕組み（経路フィルタ）は存在しますが、どのような経路情報を出すか、来た経路情報をどう料理するかは非常に難しいもので、また全てのASが同じポリシで運用する保証はありません。
Googleの管理するAS15169はNTT-Comに関する誤った経路情報を広告したとの報道があります。
詳細は不明ですが、素直に読むならNTT-Comが管理しているIPアドレスについて「ここにこんなネットワークがあるよ、ここを通ってきてね！」情報を出したと言うことでしょう。
NTT-Comに関する間違った経路情報が流れたなら迷惑するのはNTT-Comだけのはずです。
が、実際には多くのネットワークに波及しました。不思議ですね。
もしTier1が受け取った経路情報を何もフィルタすることなく下位のISPに伝搬すれば、当然下位ISPへどんどん誤った経路情報が伝わっていきます。
最上位であるTier1から到達性のない経路情報を知らされても、下位ISPはそれを信じるしかありません。
誤った経路情報で誤った経路に誘導されることを経路吸い込みといい、悪意を以て行われる場合であれば経路ハイジャックと呼ばれます。
ただし本来のNTT-Comが出している正しい経路情報が無くなったわけではないのです。
上述の通りBGPでは優先度判断の一つにASパスの長さがあります。
それまで「NTT-Com→AS1000→AS2000→AS3000→AS4000」だった経路情報が「NTT-Com→AS1111→AS2222」となったなら、後者がBGPレベルで優先されてしまう可能性はあります。
NTT-ComはTier1ですから、海底ケーブルを含む多くのバックボーンを持っています。他ネットワークへの中継点としてISPに限らず通信網として非常に重要です。
NTT-Comと全く関係のない業者のWebサイトであっても、「Webサイトが属するAS→AS3333→AS4444→NTT-ComのAS→AS5555→…」という経路情報が伝搬されている可能性があります。
通常は途中のNTT-Comを通ればはやーいとなるはずが、そのNTT-Comへ行くための経路情報が変わってしまえば大きく迂回してしまう経路になるかも知れません。
パケットには生存時間(TTL)と呼ばれるものがあり、あまりに多くのルータを経由すると(Windowsなら128)到達不能として破棄されます。
ただそもそもが誤った経路情報なので、途中のNTT-Comに辿り着いたと思ったら全く別のネットワークのためデフォルトルートに投げられてしまい、彷徨って同様に消えたのかも知れません。
10.1.0.0/24とか10.1.0.0/25の意味がわかる人向けです。
そもそもルータはより細かい（プレフィックスが長い）ネットワークへ優先してルーティングする（ロンゲストマッチ）ため、長いプレフィックスで広告してしまうことで経路吸い込みを起こせてしまえます（ロンゲストマッチはルータに於ける大原則なので最優先されます）。
この事象は割りとよくあり、2008年にパキスタンのASが国内からのYoutubeへのアクセスを規制するための偽情報を誤って外部へ広告しアクセスできなくさせる事象を起こしています。
現在のフルルートは約65万経路と言われてますが、お高いBGPルータにとってもこの経路情報の大きさは非常に大きな負荷であり課題とされてます。
経路情報はASの内部に対しても（内部ネットワーク内での経路情報として）伝搬する必要があり、どちらかといえばこの各AS内部での伝搬時にルータ負荷上昇が発生し遅延が生じたのではという説があります（この辺は自信なく怪しいです。IGP詳しい人に）。
巨大なネットワークであればあるほど内部の経路情報の収束には時間を要してしまうこと、わずか8分の間に約10万経路の追加とその取消が生じたことで完全復旧まで時間を要した可能性があります。
いかがでしたか？（キュレーションサイト風）
AS自体は条件(https://www.nic.ad.jp/ja/ip/asnumber.html)を満たせば事業者に限らず誰でもAS番号を取得し運用できますので、興味を持った人はBGPオペレータになって「指先一つでインターネットを壊せる」緊張感に酔いしれましょう（※BGPオペレータに対する個人の感想です）。
企業の業務システムの開発で出てくる単語だが、最適化する際の基準が異なっている。
日本では事業部門ごとの最適化、部分最適がよく行われているらしい。
それ故に事業部門レベルでは効率的な業務を行っているが、全社レベルで見ると非効率的な仕組みになっていることが多い。
これを業務システムの更新時に全体最適化を施そうとすると事業部門の反発が起きることが多いらしい。
各事業部門において最適化され非常に効率的に進めていたものが、全体のために非効率的な方法に変更されることもあるからだ。
だからこそ、全体最適化はトップダウンで行わなければならない、みたいなことがIT Proに書かれていた。
この構図を一言でいうと、全体の最適化のために個別のものが割を食う、だろうか。
こう考えたとき、政治や経済、外交などでよく聞くものを連想した。
自由貿易と保護主義、ありていに言うとトランプ政権の経済政策とその批判だ。
保護主義を国家という個別に対する最適化と考えると、何となく先ほどの話に似ているようにも思える。
こう考えるとトランプ政権の保護主義も間違っていないようにも思える。
世界のために割を食うのを許容できないというのも納得できる。
たまに調べ物をしていると引っかかるIT Proというサイトに、さらにたまに表示される「芦屋広太のプロマネ歌留多」というものがある。これがまたどうしようもなくダサい。あまりにもダサすぎて他を読むためにググってしまったくらいだ。
せっかくなので、目についたものから選りすぐりにダサいものを挙げてみる。
なんかもう、字面をみただけで技術に疎い「IT系」のおじさんの顔が浮かぶ。こんな人種がまだ呼吸をしているようだからSIerはウォーターフォールで時代遅れの言語を使い、価値の低い仕事しかできないのだろう。これらの加留多は5年以上前に書かれたもののようなので、現代ではもう少しマシになっていることを願う。
ちなみに下記も古い記事だが、やはり作者の芦屋広太氏自身どうしようもないパワハラおじさんだということがわかる。
今更、芦屋広太氏の話。
http://blog.goo.ne.jp/njomoparo/e/18e68f93e56ec9c58c2d6704f26ce144
原文：https://community.spiceworks.com/how_to/125475-teslacrypt-2-2-0-removal-and-decryption
原題：TeslaCrypt 2.2.0 Removal and Decryption
原著者：Isaac Rush's (hewhowearsascarf) Portfolio of IT Projects - Spiceworks 氏 (Thank you for your contribution! This article is a translation of your post.)
私たちのワークステーションのうちの一つがTeslacryptランサムウェアに感染しました。すべての文書が暗号化され、拡張子はvvvに変えられました。マルウェア感染のにおいて最も安全な回復方法はコンピューターをワイプしてバックアップから復元させることです。しかし、それは場合によっては選択肢にならないことがあります。私たちの場合、ユーザはローカルコンピュータに何のバックアップもとっていませんでした。それで、私たちはランサムウェアを取り除く方法とファイルを復号する方法を確認する必要がありました。復号を達成させてくれたPythonスクリプトの作者であるGoogulatorに大きな感謝を送ります。https://github.com/Googulator/TeslaCrack
そこに書いてある説明に従うといいです。引用していくつか説明を付けたものを以下に用意しました。元の記事にはたくさんの指示が書いてありますが、私たちが行った手順は以下の通りです。
セーフモードで再起動し、Malwarebytes scanを走らせて、見つかったすべてのマルウェアを削除します。私は複数の信頼できるマルウェアクリーナーを使ってこれが消えたか確認することをお勧めします。必要だと言われたら再起動します。これでウィルスはきれいになったはずです。次はドキュメントを復号します。
私たちはPythonスクリプトを使って、AES公開鍵を特定して、その数値を因数分解して、それから秘密鍵を特定して、そしてファイルを一つ復号します。一度復号に成功したら、コンピュータすべてを対象に実行できます。できるなら、多く速く処理するために他のコンピューターを使ってください。
インストールは管理者権限で行ってください。また、インストール中の操作で、Pythonをパスに追加するオプションを必ず選択すること。
python -c "import urllib2; print urllib2.urlopen('https://bootstrap.pypa.io/ez_setup.py').read()"; | python easy_install pip
pip install http://www.voidspace.org.uk/python/pycrypto-2.6.1/pycrypto-2.6.1-cp27-none-win_amd64.whl
pip install ecdsa
私の実行結果は以下の通りです:
Cannot decrypt ./VENDOR LISTING BY CATAGORY.xlsx.vvv, unknown key
Software has encountered the following unknown AES keys, please crack them first using msieve: A1373BCF4EDB39BCFEDD44FA86A82498410A7E83456D8E80E52966F6717CB8B8E5846BBC7A540647AE770FEDEAA0E7F8A0466082156DB332A757407A12C9FB0 found in ./VENDOR LISTING BY CATAGORY.xlsx.vvv
Alternatively, you can crack the following Bitcoin key(s) using msieve, and use them with TeslaDecoder: 5ECA19D475A313AC3DEF915CE6FA37BE012CD1676590C8F253135A3AD92345B78C32C46DB3246ED84A7B9A8C62F1A13D2AF08F09FFB3551701E7B75CCC79457C found in ./VENDOR LISTING BY CATAGORY.xlsx.vvv
私の場合は以下の値をコピーしました。 A1373BCF4EDB39BCFEDD484FA86A82498410A7E83456D8E80E52966F6717CB8B8E5846BBC7A540647AE770FEDEAA0E7F8A0466082156DB332A757407A12C9FB0
さっきの数値はこのようになります: 8443554284208758706290725803426642738777516291375882082881197977752270634322152168104703798454983966849000112082164921264407639940139993317228747401502640
私の場合だと、8443554284208758706290725803426642738777516291375882082881197977752270634322152168104703798454983966849000112082164921264407639940139993317228747401502640 を入力して「Factorize!」を押してみました。もしあなたがラッキーなら、画面の左端には「FF」と表示されるでしょう。これは完全に因数分解されていて、すべての因数がリストされていることを意味します。この場合、あなたは以下のyafuを使う手順を行う必要はありません。unfactor.pyのところ(訳者注：手順19)までスキップできます。
もし「CF」や「C」と表示された場合、私たちはまず因数分解をするためにyafuを実行する必要があります。因数分解ができたら、 factordb.com に戻ってその整数を下のほうにあるレポートフィールドからレポートしましょう。そうすることで、その数値が「FF」で表示されるようになります。因数分解は数値の複雑さによって数時間・数日間・数週間かかります。因数分解が終わったら、私たちは秘密鍵を得るのに使用するたくさんの数値(因数)を得ていることでしょう。私はmsieve, yafuとこれらのバリエーションを試しました。これを動かすのは結構大変でした。いくつかの問題は説明が不完全で、すべての構文を与えられていませんでした。しかし、ついに私はyafuを動かしました。私が何をしたか、以下に書きます。
例: yafu-x64.exe "factor(8443554284208758706290725803426642738777516291375882082881197977752270634322152168104703798454983966849000112082164921264407639940139993317228747401502640)" –v –threads 4
因数分解を始めると、小さな因数は素早く見つかり、このようにリストされるでしょう : 「div: found prime factor = x」。ログファイルの中から「found prime factor」を検索します。
さらに「prp」も検索します。このような行が見つかるでしょう。: prp32 = 25647545727466257054833379561743
これが私の実行結果です:
unfactor-ecdsa.py VENDOR.xlsx.vvv 2 2 2 2 3 5 367 12757 25647545727466257054833379561743 75938537910569673895890812481364802067167 3858259146292441335085163995598583072203543699186432807503634945432314399
Found AES private key: b'\xbd\xa2\x54\x3a\x21\x75\xb9\xf3\x0d\xf6\xf3\x09\x60\xec\x08\x2f\x3e\xc5\xef\x61\xd4\x03\xa3\x5b\xc1\x47\x7e\x10\x47\x0a\x7c\x88' (BDA2543A2175B9F30DF6F30960EC082F3EC5EF61D403A35BC1477E10470A7C88)
'A1373BCF4EDB39BCFEDD484FA86A82498410A7E83456D8E80E52966F6717CB8B8E5846BBC7A540647AE770FEDEAA0E7F8A0466082156DB332A757407A12C9FB0': b'\xbd\xa2\x54\x3a\x21\x75\xb9\xf3\x0d\xf6\xf3\x09\x60\xec\x08\x2f\x3e\xc5\xef\x61\xd4\x03\xa3\x5b\xc1\x47\x7e\x10\x47\x0a\x7c\x88',
ファイルが復号されるはずです。
あなたの重要なファイルをバックアップしましょう！できればすべてのシステムで。同じようなことが起こった場合でも、回復するために無数の時間を使うかわりに、バックアップから復元できるようになるから。
きっとこれらの追加の手順は皆さんを助けます。自分がこの手順を行ったときはたくさんの問題がありました。それでもしあなたがこれを不完全だと思うなら、手順を更新するのでお知らせください。たぶん私たちはいっしょにこの手順をより完璧にすることができます。ありがとう！
https://community.norton.com/en/forums/how-decrypt-teslacrypt-vvv-files
http://www.mobilefish.com/services/big_number/big_number.php
http://gilchrist.ca/jeff/factoring/nfs_beginners_guide.html
http://www.mersenneforum.org/showthread.php?t=20779
安倍晋三は、経済の救済者ではなく、ナショナリストで、第二次世界大戦の残虐行為を否定し、経済政策に明らかに少ししか関心が無く、もし彼が正統派を否定していたとしても、良く考えて異端理論を採用したと言うよりも、学問的意見に対する一般の侮蔑を反映したものであろうと書いてありますね。
Now comes Shinzo Abe. As Noah Smith informs us, he is not anybody’s idea of an economic hero; he’s a nationalist, a denier of World War II atrocities, a man with little obvious interest in economic policy. If he’s defying the orthodoxy, it probably reflects his general contempt for learned opinion rather than a considered embrace of heterodox theory. - Is Japan the Country of the Future Again?
しかしムッソリーニを暗示しつつ、悪い人が正しい事をする事もあると言っています。
It will be a bitter irony if a pretty bad guy, with all the wrong motives, ends up doing the right thing economically, while all the good guys fail because they’re too determined to be, well, good guys. But that’s what happened in the 1930s, too …
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they feel はなくても意味が通じるものというか、ない方が形としてはすっきりする。
... can use whichever outline format (they feel) provides ...
で、()の中はないものとすれば、一応普通に読めるでしょ？
でも、provides するというのは客観的に決まってることじゃなくて、they = font creatorsがそう判断するものを使えるよって話だから、they feel が挿入されてる。形としては普通じゃないけど。
can use any outline format という文と、they feel it provides という文が繋げられて関係節が作られている、というような理解でもいい…のかな。
自分としてはこの説明で精一杯かなあ。連鎖関係詞節というらしいのでそれで調べてください。
How to install Rails 2.1 on Ubuntu in 5 steps
http://agileweb.wordpress.com/2008/07/18/how-to-install-rails-21-on-ubuntu-in-5-steps/
Automatic Rails on Ubuntu 8.04 LTS « Enjoying Rails
http://blog.erichsen.net/2008/10/16/automatic-rails-on-ubuntu-804-lts/
http://blog.fiveruns.com/2008/9/24/rails-automation-at-slicehost
# Install Passenger
http://blog.s21g.com/articles/1131
http://blog.footfun.jp/archives/21
http://d.hatena.ne.jp/conceal-rs/20081124/1227497924
Rails 2.0.2 は 5 行でアプリ雛形作成／起動ができる！
http://youichi-kato.cocolog-nifty.com/blog/2008/01/rails_202_5_9198.html
Ruby on Rails 2.0アプリを10秒で作る2.0
http://ukstudio.jp/2008/06/13/rails2_1min/
Ruby on Rails 2.0アプリを1分で作る : IT Pro
