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Hot-bar reflow (molten Siena heat welding), the most common function is to use the heat of the melt has been printed on the electronic printing circuit (PCB) on the Siena paste, in order to connect two separate parts of the electronic components, the most commonly seen is the software line (FPB) welding on the electronic printing circuit (PCB).Since the heat of the Hot-bar is the only source of heat, when t

Intellij IDEA hot deployment processing method (illustration), intellijidea 1. First, share your experience with IDEA on hot deployment: Intellij IDEA four hot deployment methods 2. IDEA hot deployment practices: Springboot project: do not introduce the hot Deployment Toolki

About the solution to Webpack dev server hot loading failure, webpackdev When the Webpack dev server is used as the server for hot loading, the following error occurs: XMLHttpRequest cannot load http://localhost:8080/dist/06854fc8988da94501a9.hot-update.json. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost' i

Ios app implements hot Update (no new version is required to add new features to the app) Currently, there are three methods to achieve hot update: 1. Use FaceBook's open-source framework reactive native and js to write native ios applications Ios apps can pull the latest js files from the server to the local device at runtime, and then execute them, because js is a dynamic Script language, so you can dire

BackgroundWhen the app after the release of an emergency online bug, the whole company will be busy, the company if the line of serious P1-level bug, or even the whole project team in the middle of the night to get emergency repair on-line, and the cause of the bug may just pass the wrong parameters, or write the wrong line of code, And the repaired app has to be re-shelves until the bug is corrected after the user updates. The emergence of the hot re

Quickpatch Project Address:Https://gitee.com/egg90/QuickPatch and Https://github.com/eggfly/QuickPatch sync updatesSimilar to the U.S. regiment robust pile hot repair, but the code readability is strong, still continue to improve, Todo list in the project ReadmeQuickpatch Project IntroductionYoung man's first Android pile hot fix frameBased on the function of the pile, the compatibility is good (Android ver

Quickpatch Project Address:Https://gitee.com/egg90/QuickPatch and Https://github.com/eggfly/QuickPatch sync updatesSimilar to the U.S. regiment robust pile hot repair, but the code readability is strong, still continue to improve, Todo list in the project ReadmeQuickpatch Project IntroductionYoung man's first Android pile hot fix frameBased on the function of the pile, the compatibility is good (Android ver

1.spring-boot-devtools for hot deploymentThe most important feature of spring-boot-devtools is thermal deployment. It listens for file changes under Classpath and restarts the app immediately.Optional=true means that dependencies are not passed, in other words, other projects that depend on the project, and if you want to use Devtools, you need to reintroduceIf you want to restart Spring boot when the file under the specified folder changes, we just n

Today I saw a HTML5 in the picture above create a hot spot label, so-called picture hot spot is to give you a picture then you can set click the picture different location to enter the different link! If the following is a picture, inside the rectangle, circle, triangle area can go to other pages!Let's take a sample of the usage of these tags in Map,area!1, making rectangular hotspots(1), the shape tag repr

1. Mysql databases do not have an incremental backup mechanism. when the data volume is too large, backup is a big problem. Fortunately, the mysql database provides a master-slave backup mechanism, which is to write all the data of the master database to the backup database at the same time. Achieve mysql database hot backup 1. Mysql databases do not have an incremental backup mechanism. when the data volume is too large, backup is a big problem. Fort

:1. When used separately, only recovery at a certain time point can be provided.2. During the entire backup process, the database must be backed up instead of other work. That is to say, in the cold backup process, the database must be closed.3. If the disk space is limited, it can only be copied to tape and other external storage devices, and the speed will be very slow.4. data cannot be restored by table or by user.It is worth noting that cold backup must be performed when the database is clos

Jetty hot deployment, persistent session, jetty-maven plug-in configuration, mavenjetty plug-in Persistent session Background Use maven to manage the project and use the jetty plug-in to start the project. Although jetty is a hot deployment, jetty without configuration is not really a hot deployment. This is because the session will be lost every time you perform

This article mainly introduces jQuery's background login box for hot air balloon animation. It is suitable for background login interface design and is recommended to you. For more information, see. This article describes how to use jQuery to implement the login box of the hot air balloon animation background. Share it with you for your reference. The details are as follows: The jQuery

This article describes how to implement dual-machine hot standby configuration for Mysql databases. If you need it, refer to it. This article describes how to implement dual-machine hot standby configuration for Mysql databases. If you need it, refer to it. 1. Mysql databases do not have an incremental backup mechanism. When the data volume is too large, backup is a big problem. Fortunately, the mysql da

How to configure dual-machine hot backup for MySQL database 1. there is no incremental backup mechanism for mysql database. backup is a big problem when the data volume is too large. Fortunately, the mysql database provides a master-slave backup mechanism, which is to write all the data of the master database to the backup database at the same time. Achieve hot backup of mysql database. 2. to achieve dual-

In Android development , we often encounter the concept of hot updates, and how is this hot update specifically implemented? Today on the Internet to see a big God to share the Heat update related implementation principles and implementation code, feel gray often good, share to the vast number of farmers look looks.ClassLoaderThe underlying language of Android is Java, and Java loads the corresponding class

Read Catalogue Order Nginx Keepalived Test Problem: After killing the keepalived process, the VIP offset can be achieved, but the original machine's VIP cannot be deleted automatically Back to the top of the sequenceDual-machine hot standby means that two machines are in operation, but not both machines are serving at the same time.When one of the service providers fails, the other one will automatically take over and pro

One, hot plate welding machine , operating instructions:1. Turn on the power switch button, the HMI enters the start interface, touch the HMI to enter the operation interface for parameter setting.2. Enter the HMI when the default is the state of the mode, to do normal operation, please press the Automatic status button to switch state, the automatic status light on the man-machine interface.3. Only in the manual state to touch the head forward, the n

I believe that in the era of mobile Internet, in the Internet + environment, each of our mobile developers have a entrepreneurial heart. Do not want to start a programmer is not a good programmer, only want to work for a lifetime of programmers will never do a lifetime. When it comes to what you see here, it's definitely a program ape. Well, to get to the next few days, the small coffee show fire, the fire of a mess, unknowingly boarded the first of the App Store leaderboard. How the hell did th

One of SQL Server's ideas for solving the hot page problem is using Table Partitioning. What is hot page? ApplicationProgramA large number of concurrent statements are sent to modify or insert records in the same table. The table Architecture Design and user business logic make these modifications and inserts concentrated on the same data page, Or a small number of data pages. These pages are also call