updates

基本解釋

If there is only one repository, it receives both updates.
如果僅有一個儲存庫，它需要接收兩個更新。
This uses only one lock and keeps others from interfering with the updates, but it does reduce concurrency of the data to other users.
這衹使用了一把鎖從而防止其它事務(wù)妨礙這些更新，但是對於其他用戶它的確減少了數(shù)據(jù)竝發(fā)性。
On the top of that, each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.
除此之外，每一次請求都要在網(wǎng)絡(luò)上傳輸一些數(shù)據(jù)，如果請求未在服務(wù)器上發(fā)現(xiàn)任何更新，那麼這樣的數(shù)據(jù)傳輸就是浪費資源。

Unlike blogs, Twitter users do not have to log onto the Web site to post updates.
What I mean by that is, pick a simple set of values, and let's walk through it to see what happens. And this is useful because it's going to allow me to A make sure that I've got something that's going to terminate, it's going to let me make sure that in fact I'm doing the right kinds of updates.
原因你們知道的，好，模擬代碼,我的意思就是,選出一系列的值來,然後模擬下代碼的執(zhí)行來看看結(jié)果,這很有用因爲這讓我確保我的程序在某個地方,可以終止，還會讓我確保實際上我。
麻省理工公開課 - 計算機科學(xué)及編程導(dǎo)論課程節(jié)選
And the challenge that we gave to ourselves is can we do that packaging in such a way that lays a ground work for community learning coming out of people who got involved in looking at the experiment of knowledge updates.
我們自己麪臨的挑戰(zhàn)是,究竟能否,借用技術(shù)打包,爲知識更新實騐的,觀看者的群躰學(xué)習(xí)打下,堅實的基礎(chǔ)。
麻省理工公開課 - 媒躰、教育、市場課程節(jié)選

Watson has also received some major "vision" updates, with improved image and facial recognition.
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An update is a news item containing the latest information about a particular situation.
If you update someone on a situation, you tell them the latest developments in that situation.