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First, hadoop's WebHDFS supports access to HDFS through the rest api through http. Link: http://hadoop.apache.org/common/docs/current/hadoop-yarn/hadoop-yarn-site/WebHDFS.html
You can perform many operations through the rest api, such as uploading and downloading, viewing files, and creating directories. the local hado
Modifying data requests(The client provides changed properties)
/v1/collection/id
Complete object information (in JSON format)
201 (Updated)403 (Forbidden)(Servererror)
The following comparison is less used
HEAD
Get metadata for a resource
OPTIONS
Get information,The client can modify the property set.
Whether success
The code for the Nova API is being looked at, and a test program is written in the rest implementation logic.The Nova API certainly supports more features such as Xml/json serialization, authentication, and so on. This test program only implements the rest invocation logic i
Label:The REST design principle is statelessness, but when the client is an app, the request from the app is not based on Bowers and cannot carry the same sessionid, so the better solution is to have a accesstoken for each request. Then the background is based on token to find the user, and then find the user resources But it is not always possible for each method to call token authentication method, or eve
In the previous article ASP.net Web API (i): Using preliminary, get and post data, we initially contacted Microsoft's Rest Api:web API.
We immediately discovered the need for security verification when we contacted the Web API, so this article discusses the simplest way to secure
Author: past Memory |Sina Weibo: Left hand in the right hand tel | Can be reproduced, but must be in the form of hyperlinks to indicate the original source of the article and author information and copyright notice
Blog Address: http://www.iteblog.com/
Article title: Introduction to the rest API for Web services in Hadoop yarn
This article link: http://www.iteblog.com/archives/960
Hadoop, Hive, Hbase, Flume
The main content of this article:1 common operations for ElasticSearch2 ElasticSearchBulk Command
ES REST APIThe Elasticsearch supports a variety of communications, including the HTTP request response service, so you can send HTTP requests with the Curl command and get the JSON return content.Common REST requests are:Check cluster statusCurl Localhost:9200/
for HTTP authentication when calling the RESTful API, where we can do this by adding a networkcredentials instance to the request. //Create the Web requestHttpWebRequest Request= WebRequest.Create ("https://api.del.icio.us/v1/posts/recent") asHttpWebRequest; //ADD authentication to requestRequest. Credentials =NewNetworkCredential ("username","Password"); //Get
:Headers:http/1.1 continuehttp/1.1204 No contentcontent-type:text /html; charset=utf-8Content0X-openstack-request-id:req-98582037-dca6- 4792-8d4a-: £ º GMTPersonal Impressions: OpenStack website to create the image of the API description is really few ah, and only the first step, is the above mentioned Request1. Request2 is the author of Dickens to find, and a start data source upload with the-D @/home/centos.tar this option, but after repeated test
Wild Dog Cloud is not much introduced, here is mainly to record the C # call them to provide the rest API, the data post to the Wild Dog cloud storage, directly on the codeStatic voidMain (string[] args) { stringstr ="Hello"; /** Note the link here to add. JSON * I was here in the pit for 1 hours. * Always exception: After the bad Request * I am in the Wild Dog cloud application Manually added a
["Predictions"] = []# Loop over the results and add them to the list of# returned predictions for(Imagenetid, label, prob)inchresults[0]: R = {"Label": Label,"Probability":float(Prob)} data["Predictions"].append (R)# indicate that's the request was a successdata["Success"] =True# Return the data dictionary as a JSON responsereturnFlask.jsonify (data)Although it is a core part, it is very easy to be reused. is the process of reading the data and then processing it. # If This is the main thread o
Use the Curl command in OpenStack to get token and access the underlying APIIn Oepnstack, access to the services provided (such as creating a virtual machine, etc.) requires first obtaining a certified token, which is a credential, obtained by sending a load authentication request to the OpenStack identity module, typically with a user name and password in the payload. When accessing the services provided a
*******instruction for geting RECORDS from JIRA by curl*****************Jira Supply Restfull API, so we can use the CURL to get data. Below is the steps,1. Install CURL;
2. Use Curl to send a Http GET request with the command is as below, (1k records per request);
Yii2 framework RESTful API format response, authorization authentication, and rate limit
I have previously written a quick start tutorial on creating RESTful APIs in the Yii2 framework. Today I want to explore the format response, authorization authentication, and Rate limiting of Yii2 RESTful APIs.
I. directory structure
First, list the files to be modified. The
Rest is a software architecture style. The RESTful API is an HTTP protocol-based API and is a stateless transport. Its core is to understand all the APIs as a network resource. Encapsulates the state transitions (actions) of all clients and servers into the Method of HTTP requests.You can read http://mengkang.net/620.html for details.This article is mainly about
the authenticator behavior in the controller class to specify which authentication method to use, modify the frontend/controllers/bookcontroller.php, and add the Red Tag code:
namespace frontend\controllers; use Yii\rest\activecontroller;
Use Yii\filters\auth\compositeauth;
Use Yii\filters\auth\queryparamauth;
Class Bookcontroller extends Activecontroller {public $modelClass = ' frontend\models\bo
/learning/en/us/Exam.aspx? Id = 70-518Note: multi-layer architecture design that includes WPF and winform
Exam 70-519, Pro: designing and developing Web applications using Microsoft. NET Framework 4. Set the Test Date: July 02,201 0. WeChat official materials: None. Exam net exam: http://www.microsoft.com/learning/en/us/Exam.aspx? Id = 70-519. Note: Includes ASP. net mvc, webform, Ajax, jquery, and rest.[2], WS-*, WCF, ADO. NET data services (
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