Tag：Server side
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Understand Ajax in one article, and attach Ajax interview questions
catalogue preface text What is Ajax? Implementation core / working principle: XMLHttpRequest object General usage of XMLHttpRequest Create XMLHttpRequest object Send request Server response 1. ResponseText attribute 2. Responsexml attribute data processing 1. ReadyState attribute 2. Onreadystatechange event attribute 3. Status attribute Callback function (callback function) Interview questions 1. What is Ajax? 2. What are […]
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Remote backup from Linux to windows with Rsync
Rsync yesLinuxsystemData mirroring backup tool under, fromSoftwareIt can be seen from the naming of remote sync. Rsync supports most UNIX likesystem, whether it isLinux, Solaris or BSD have been well tested. The latest version of Rsync can be downloaded fromhttp://rsync.samba.org/rsync/get. Its characteristics are as follows: 1. You can mirror and save the entire directory tree […]
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Example explanation JSP model2 architecture (Part 1)
Recently, there have been many related introductions. JSP is becoming an excellent Java technology, which can be used to create dynamic web applications. Java programmers love JSP for countless reasons. Some people like the “write once, use everywhere” way it brings to interactive pages; Others appreciate it because it is easy to learn and allows […]
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Dart series: the exclusive domain of HTML. In addition to JavaScript, dart can also
brief introduction Although dart can be used as both client and server, it is basically used as the basic language of flutter development. In addition to andorid and IOS, the web is the most common and common platform. Dart also provides native support for HTML, which is dart:html package. Dart:html provides various useful operations on […]
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Netty series: performance is king! Create a multiplexed http2 server
brief introduction In the previous article, we mentioned that the client of netty can support multiplexing by using http2framecodec and http2multiplexhandler, that is, create multiple sub channels on the basis of a connected channel, and process different streams through sub channels, so as to achieve the purpose of multiplexing. Since the client side can be […]
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Dart series part: Dancers in browsers send HTTP requests with dart
brief introduction Dart: the HTML package provides dart with some necessary components for building browser clients. We mentioned the operations of HTML and DOM before. In addition, another common operation on the browser side is to use XMLHttpRequest to make asynchronous HTTP resource requests, that is, AJAX requests. Dart also provides a package similar to […]
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GRC go source code analysis and practical column introduction
1. Background introduction Whether it is distributed architecture or micro service architecture, how to efficiently and reliably communicate between services is a certain challenge; Then, one of the solutions is to use RPC communication;Grpc go developed by Google is a high-performance, open source and general RPC framework, which is designed for mobile and http2.Grpc go […]
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Dart series: real time communication, using WebSockets in browsers
brief introduction There are two ways to communicate between the web client and the server. One is to use HTTP request to request data from the server. The disadvantage of this request is that only the client can pull the data from the server, and only polling can be performed. Another way is to use […]
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Create the mobileconfig file by hand, and create the H5 web page desktop icon on the iPhone
1. Download the mobileconfig file creation tool Download address: click follow official account to replyappicon, get the download address of the tool newly buildConfiguration description file, fill incurrencyinformation fill inWeb Clipinformation Click export in the menu bar. Note that you must selectnothing, export file namedunsigned.mobileconfig 2. Sign the mobieconfig file with the certificate of the […]
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Asp.Net Core SignalR
1.Asp.Net Core SignalR Websocket is based on TCP protocol and supports binary communication and duplex communication. Better performance and concurrency. Websocket is independent of the HTTP protocol. However, we generally deploy the websocket server to the web server, because the initial handshake can be completed with the help of the HTTP protocol (optional), and the […]
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Netty series part: netty implements flow control in http2
brief introduction An important improvement of http2 over HTTP1.1 is the flow control flowcontrol. Why is there flow control? This is because no matter what protocol is used, both the client and the server have a buffer to store temporarily unprocessed data when receiving data. However, the size of the buffer is limited, so buffer […]
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How to realize 10 billion level data synchronization based on Clickhouse of seatunnel?
Author fan Jia, Apache seatunnel (incubation) contributor Sorting | Test Engineer Feng Xiulan For the import of 10 billion batch data, the performance of the traditional JDBC method in some massive data synchronization scenarios is not satisfactory. In order to provide faster writing speed, Apache seatunnel (incubation) provides clickhousefile connector support in the just released […]