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java - Distributed transaction processing solution

Do you need distributed transactions when deploying hibernate on multiple web servers to operate the database? Will there be any problems using the traditional stand-alone method to access the database? How does the industry deal with this problem?

女神的閨蜜愛上我 2017-06-23 09:14:37 0  1  1374

angular.js - How can events distributed by angularjs $rootScope be responded to in directives?

{Code...} {Code...} The event I distributed on $rootScope is not received in the directive?

伊謝爾倫 2017-05-15 17:01:48 0  2  604

Select some coordinates from a large set of coordinates that appear to be evenly distributed over the area

I have a MySQL table that contains region and latitude/longitude location columns. Each area has many locations, for example 20.000. Is there a way to select just a few, say 100, that would appear to be more evenly distributed on the map? The distribution does not have to be perfect, query speed is ...

P粉262113569 2024-02-26 16:23:02 0  1  531

java - dubbo distributed call passing parameters

Background: The existing code is being modified. The original structure is to directly complete all business logic through the service() method of the servlet. Now the structure is modified, the service() method is split into several services, and the services are assembled through the dubbo framewo...

給我你的懷抱 2017-06-14 10:51:38 0  1  1032

How to design large distributed system reports?

I was really speechless. The second submission was rejected again because "the content belongs to a technical discussion. It is recommended to briefly talk about your thoughts on this issue so as to better have a technical exchange with others." If The first time I did it was because of th...

過去多啦不再A夢(mèng) 2017-06-20 10:05:40 0  1  1289

Can PHP be used for distributed architecture?

Have any friends used it?

Mr.C***g 2018-09-02 16:11:28 0  2  1838

java - What is the best way to perform permission verification in a distributed system?

As the title states, in the project, there is a separate system as the permission system. The current approach is that every time a request is made to the business system, it will be intercepted by the business system and the requested URL will be passed to the permission system for verification and...

typecho 2017-06-30 09:55:01 0  3  1339

angular.js - When to use directive, controller, service in angular

{Code...} How is the above code distributed in directive, controller or service? Both openDoc and changeViewTo operate $ele and its sub-elements. Requirements: 1. The openDoc and changeViewTo methods need to be exposed externally.

曾經(jīng)蠟筆沒有小新 2017-05-15 16:52:58 0  1  726

golang - How to make reads evenly distributed to each secondary when go connects to mongo replica set?

Replicaset has two secondary, Eventual mode, but when using labix/mgo.v2 to connect to mongo, it is found that all reads are only concentrated on one secondary, and only a small amount accesses the other secondary. {code...}

過去多啦不再A夢(mèng) 2017-05-02 09:24:30 0  1  1003

hexo - How to clone another git project into a subfolder in a git project and add it to the git tree?

Using hexo to build a blog requires distributed writing at the company and at home. Execute git clone git@github.com:yscoder/hexo-theme-indigo.git themes/indigohexo in the hexo blog directory. It is a git project. Executing git status shows that nothing can be submitted, such as...

黃舟 2017-05-02 09:39:35 0  1  811

python - The distributed operation of pyspider is successful, and 2 slaves are running, but the time is not shortened?

1 master, 2 slaves, under the virtual machine ubuntu, the configuration is as follows: master's config.json: {code...} Run /usr/local/bin/pyspider -c /home/pu/pyspider/conf on the host .json schedule/usr/local/bin/pyspider -c /home/p...

滿天的星座 2017-06-28 09:22:42 0  1  1096

How can I create a library that exposes a single Vue component that can be used by distributed .mjs files?

I want to create a Vue component bundled into a single .mjs file. Another Vue project can get this .mjs file via HTTP and use the component. Installing a pluggable component via npm is not possible because other applications will try to get it based on the configuration at runtime. Things to conside...

P粉797004644 2023-08-26 23:23:36 0  1  949

Git some questions

Git distributed development is divided into remote warehouse, local warehouse and local files. After reading relevant information, I found: {Code...} Combined with daily project development (GitLab), I have a few questions: {Code...} Combined with the project, I understand that git commit refers to ...

滿天的星座 2017-05-02 09:37:37 0  4  839

java - How to solve the pressure on scheduled task polling database

There are many scheduled tasks, and they are distributed on different servers. To poll the database for data that meets the conditions (status) and then process it. In this way, hundreds or thousands of scheduled tasks poll the database, which directly leads to a sharp increase in database pressure....

PHPz 2017-05-17 10:04:44 0  3  1336

Git gets a certain commit of a certain branch?

In my case, I currently maintain a front-end project and use Gitlab's Webhooks for continuous integration. The pushed code is automatically distributed to the CDN with a version number. The situation is like this: I need to fix two problems locally. I fixed them locally and submitted them to the sam...

PHP中文網(wǎng) 2017-05-02 09:30:28 0  1  689

git - Which version control system is more commonly used in the front-end development field?

Version control systems are an indispensable part of any current development team's collaborative development. The design goal of SVN is to replace CVS. Most of the free version control services on the Internet are based on Subversion. Git is an open source distributed version control system used fo...

滿天的星座 2017-05-02 09:43:35 0  8  1336

Version control - The gpg public key distribution method provided on git-scm does not seem to be able to prevent content forgery, right?

https://git-scm.com/book/zh/v2/%E5%88%86%E5%B8%83%E5%BC%8F-Git-%E7%BB%B4%E6%8A%A4% E9%A1%B9%E7%9B%AE# To label the release, the maintainer executes: {code...} This is indeed done, the public key is distributed, and the recipient only needs {code...} You can import the public key...

某草草 2017-05-02 09:31:17 0  0  953

How does docker bind public network static IP?

Currently I am working on a distributed Weibo crawler. Weibo has strict restrictions on account and IP requests. I have seven or eight public IPs, but there are only four servers, so the other four IPs are wasted if not used. So I thought of using a virtual machine or docker to bind the public IP, b...

天蓬老師 2017-05-16 13:17:39 0  2  1263

About the integration of apache and tomcat

The company website is written in jsp and the company's official account is written in php. One uses apache and the other uses tomcat. How to share the two ports to port 80? Or jsp requests are distributed to tomcat for processing. Most of the online modules use the mod_jk module. This module did no...

我想大聲告訴你 2017-05-16 16:59:06 0  1  626

java - The operation cannot be performed because the OLE DB provider "SQLNCLI" for linked server "***" cannot start a distributed transaction. Solution?

Users have asked our project to process data from their original projects at the same time. The databases of the new project and the original project are both sqlserver2005, which are on different servers. The test environment sqlserver2005 is linked to the server sqlserver2012. I'm planning to set ...

迷茫 2017-05-17 10:07:11 0  2  855