data-formats | 易学教程

What kind of data format is this (colon and semicolon separated entries)?

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问题 I'm integrating two poorly documented systems, and in the process I've come across a strange data format I haven't seen before. It's stored as plain text in the db with no indication as to what the format is and how to deal with it. a:17:{s:2:"id";s:27:"145219921F990B11C39E7220000";s:16:"purchase_country";s:2:"no";s:17:"purchase_currency";s:3:"nok";s:6:"locale";s:5:"nb-no";s:6:"status";s:17:"checkout_complete";s:9:"reference";s:27:"145212221F990B11C39E7221000";s:11:"reservation";s:10:

What kind of data format is this (colon and semicolon separated entries)?

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ITL (iTunes Library) Format

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问题 I´m developing a Java solution for manage an iTunes Library (ITL file). The ITL format is a propietary one. I'm looking for an implementation or a documentation about ITL format but Google can't find anything useful. Does anyone have experience about that? Where to find more information? Thanks in advance. 回答1: There is an open source project called titl that sounds exactly what you're looking for. The repository is here: http://code.google.com/p/titl/ Harri 回答2: iTunes has an api that you

Is it possible to read and write Parquet using Java without a dependency on Hadoop and HDFS?

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问题 I've been hunting around for a solution to this question. It appears to me that there is no way to embed reading and writing Parquet format in a Java program without pulling in dependencies on HDFS and Hadoop. Is this correct? I want to read and write on a client machine, outside of a Hadoop cluster. I started to get excited about Apache Drill, but it appears that it must run as a separate process. What I need is an in-process ability to read and write a file using the Parquet format. 回答1:

Is it possible to read and write Parquet using Java without a dependency on Hadoop and HDFS?

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What data formats can AJAX transfer?

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问题 I'm new to AJAX, but as an overview I'd like to know what formats you can upload and download. Is it limited to JSON or XML or can you even send binary types like MP3 or UTF-8 HTML. And finally, do you have full control over the data, byte for byte in something like a byte array, or is only a string sent/received. 回答1: If we are talking about ajax we are talking about javascript? And about XMLHTTPRequest? The XMLHttpRequest which is only a http request can transfer everything. But there is no

How to parse rabbitmq status output?

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问题 I installed RabbitMQ on Linux, it's a great piece of software. When I run this command: sudo rabbitmqctl status I get a mess of output: [{pid,18665}, {running_applications, [{rabbitmq_management,"RabbitMQ Management Console","3.1.5"}, {rabbitmq_web_dispatch,"RabbitMQ Web Dispatcher","3.1.5"}, {webmachine,"webmachine","1.10.3-rmq3.1.5-gite9359c7"}, {mochiweb,"MochiMedia Web Server","2.7.0-rmq3.1.5-git680dba8"}, {rabbitmq_management_agent,"RabbitMQ Management Agent","3.1.5"}, {rabbit,"RabbitMQ"

Is it possible to read and write Parquet using Java without a dependency on Hadoop and HDFS?

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I've been hunting around for a solution to this question. It appears to me that there is no way to embed reading and writing Parquet format in a Java program without pulling in dependencies on HDFS and Hadoop. Is this correct? I want to read and write on a client machine, outside of a Hadoop cluster. I started to get excited about Apache Drill, but it appears that it must run as a separate process. What I need is an in-process ability to read and write a file using the Parquet format. Krishas You can write parquet format out side hadoop cluster using java Parquet Client API. Here is a sample

ITL (iTunes Library) Format

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I´m developing a Java solution for manage an iTunes Library (ITL file). The ITL format is a propietary one. I'm looking for an implementation or a documentation about ITL format but Google can't find anything useful. Does anyone have experience about that? Where to find more information? Thanks in advance. There is an open source project called titl that sounds exactly what you're looking for. The repository is here: http://code.google.com/p/titl/ Harri iTunes has an api that you can use to inform iTunes of changes without having to modifying the iTunes ITL file directly. On OSX you can use

What is the spec for formatting data in QR codes? I can not find it anywhere

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问题 I'm specifically asking if, and what, is the specification for formatting the text inside a QR code - not how to generate a code (which I can do). I need to put hCard data into a QR code, however I don't know how to mark the QR code as VCF data (versus URL, text, etc) so the decoder knows what to do. All the info I've seen online has to do with generating the QR code, not formatting the data inside. 回答1: Who says you have to pay for this info? just go to this page http://qrcodenet.codeplex