Schema evolution in Avro, Protocol Buffers and Thrift — Martin Kleppmann’s blog
Schema evolution in Avro, Protocol Buffers and Thrift Published by Martin Kleppmann on 05 Dec 2012. So you have some data that you want to store in a file or send over the network. You may find yourself going through several phases of evolution: Using your programming language’s built-in serialization, such as Java serialization, Ruby’s marshal, or Python’s pickle. Or maybe you even invent your ow
xkcd: ISO 8601
xkcd: ISO 8601 告知 日付を数値で表現する方法の表記ゆれは、オンライン上の混乱を招く。そのため、ISOは1988年に数値による日付表記の国際標準を定めた。 これが日付を数値で表記する正しい方法である。 2013-02-27 故に、以下の表記はすべて非推奨である。 2/27/2013 02/27/13 27/02/2013 27/02/13 20140227 2013.02.27 27.02.13 27-02-13 27.2.13 2013.Ⅱ.27. 27/2-13 2013.158904109 ⅯⅯⅩⅢ-Ⅱ-ⅩⅩⅤⅡ ⅯⅯⅩⅢ ⅬⅤⅡ/ⅭⅭⅭⅬⅩⅤ 1330300800 ((3+3))×(111+1)-1)×3/3-1/3^3 [再現断念] 実に、日付表記ゆれは甚だしい。皆早くISO 8601に準拠せよ。 Anonymous said... 自分で言ってやっと自分のブログの
Type–length–value - Wikipedia
This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article possibly contains original research. Please improve it by verifying the claims made and adding inline citations. Statements consisting only of original research should be removed. (April 2015) (Learn how and when to remove this messa
How to get 0-padded binary representation of an integer in java?
for example, for 1, 2, 128, 256 the output can be (16 digits): 0000000000000001 0000000000000010 0000000010000000 0000000100000000 I tried String.format("%16s", Integer.toBinaryString(1)); it puts spaces for left-padding: ` 1' How to put 0s for padding. I couldn't find it in Formatter. Is there another way to do it? P.S. this post describes how to format integers with left 0-padding, but it is not
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