data-serialization

Data validation in AVRO

痞子三分冷 提交于 2020-01-11 05:26:07
问题 I am new to AVRO and please excuse me if it is a simple question. I have a use case where I am using AVRO schema for record calls. Let's say I have avro schema { "name": "abc", "namepsace": "xyz", "type": "record", "fields": [ {"name": "CustId", "type":"string"}, {"name": "SessionId", "type":"string"}, ] } Now if the input is like { "CustId" : "abc1234" "sessionID" : "000-0000-00000" } I want to use some regex validations for these fields and I want take this input only if it comes in

Why should you use XML CDATA blocks?

偶尔善良 提交于 2019-12-04 03:51:41
问题 When creating XML I'm wondering why the CDATA blocks are uses rather than just escaping the data. Is there something allowed in a CDATA block that can't be escaped and placed in a regular tag? <node><![CDATA[ ...something... ]]></node> instead of <node>...something...</node> Naturally you would need to escape the data in either case: function xmlspecialchars($text) { return str_replace(''', '&apos;', htmlspecialchars($text, ENT_QUOTES, 'utf-8')); } From the spec it seems that CDATA was just a

Java Serialization vs JSON vs XML

陌路散爱 提交于 2019-12-03 04:14:43
问题 I am wondering what serialized mechanism should we choose when dealing with object transferring over the network. What are the pros and cons ? I know most of the time we use JSON or XML for AJAX since the transfer format are pretty much Javascript format, and plus JSON is pretty lightweight with its small footprint, therefore is Java serialization totally out of the table ? 回答1: In general the important question is which client will receive the serialized objects - browsers/JavaScript engines

Java Serialization vs JSON vs XML

时光毁灭记忆、已成空白 提交于 2019-12-02 17:32:31
I am wondering what serialized mechanism should we choose when dealing with object transferring over the network. What are the pros and cons ? I know most of the time we use JSON or XML for AJAX since the transfer format are pretty much Javascript format, and plus JSON is pretty lightweight with its small footprint, therefore is Java serialization totally out of the table ? Ariel T In general the important question is which client will receive the serialized objects - browsers/JavaScript engines like (node-js), Java client, unknown/multiple clients. JSON - JSON syntax is basically JavaScript

Why should you use XML CDATA blocks?

╄→尐↘猪︶ㄣ 提交于 2019-12-01 18:53:18
When creating XML I'm wondering why the CDATA blocks are uses rather than just escaping the data. Is there something allowed in a CDATA block that can't be escaped and placed in a regular tag? <node><![CDATA[ ...something... ]]></node> instead of <node>...something...</node> Naturally you would need to escape the data in either case: function xmlspecialchars($text) { return str_replace(''', '&apos;', htmlspecialchars($text, ENT_QUOTES, 'utf-8')); } From the spec it seems that CDATA was just a posible solution when you don't the option to escape the data - yet you still trust it. For example, a

Data validation in AVRO

僤鯓⒐⒋嵵緔 提交于 2019-12-01 07:33:56
I am new to AVRO and please excuse me if it is a simple question. I have a use case where I am using AVRO schema for record calls. Let's say I have avro schema { "name": "abc", "namepsace": "xyz", "type": "record", "fields": [ {"name": "CustId", "type":"string"}, {"name": "SessionId", "type":"string"}, ] } Now if the input is like { "CustId" : "abc1234" "sessionID" : "000-0000-00000" } I want to use some regex validations for these fields and I want take this input only if it comes in particular format shown as above. Is there any way to specify in avro schema to include regex expression? Any

google protocol buffers vs json vs XML [closed]

夙愿已清 提交于 2019-11-28 14:56:16
I would like to know the merits & de-merits of Google Protocol Buffers JSON XML I want to implement one common framework for two application, one in Perl and second in Java. So, would like to create common service which can be used by both technology i.e. Perl & Java. Both are web-applications. Please share me your valuable thoughts & suggestion on this. I have seen many links on google but all have mixed opinions. Json human readable/editable can be parsed without knowing schema in advance excellent browser support less verbose than XML XML human readable/editable can be parsed without

google protocol buffers vs json vs XML [closed]

馋奶兔 提交于 2019-11-27 19:40:33
问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 6 years ago . I would like to know the merits & de-merits of Google Protocol Buffers JSON XML I want to implement one common framework for two