May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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153
4
関連用語
用語に関連する話
用語の使用例
サムネ イル
縮小した画像を一覧で表示する
元々の意味は「親指の爪」という意味で、親指の爪くらいの大きさで表示した画像のこと。
例えば、多くの画像を表示するときファイル名の一覧だけでなく画像を縮小表示して一覧
にすることで見つけや すくする。また、Web ページなどで多くの 画像を表 示する場合は、
小さい画像を表示することで転送量が少なくなり、高速に表示できる。
アイキャッチとの違い
Webページ内で記事の途中に注
意を引くための小さな画像を挿
入することをアイキャッチと言
うが、サムネイルはあくまでも縮
小の意味で使う。
動画の場合のサムネイル
複数の動画を一覧表示したとき
にも、その中身が一目でわかるよ
うに、冒頭や特徴的な場面を切り
取った1枚の画像が使われること
が多い。
ディスクの消費に注意
サムネイルは小さな画像ではあ
るものの、その数が増えるとディ
スク容量を消費するため、不要な
場合は削除したり、生成しないよ
うに設定すると良い。
Keyword
133
▶
さむ ね いる
「 保存した画 像が 多くなると、サムネイルがないと見つけにくいね。」
アイコンとピクトグ ラム
……P77
JPEGとPNG
……P172
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.