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Today the company's Oracle database suddenly dropped, this is our core database, very nervous. First try shutdown, you can normal shutdown, but the implementation of startup error, the error message is as follows: Errors in

1. Check the database schema:Sqlplus/nologConn/as SYSDBAArchive log list (to see if the database is in archive mode) If it is not archived, the database archive mode is modified.Startup MountALTER DATABASE ArchivelogALTER DATABASE Open 2. Connect to

The AIX 6.1 operating system has Oracle 10g installed on it, but always dbca the Ora-12547:tns:lost contact error when creating an instance. There are a number of possible causes for this type of problem due to the availability of relevant

Before, there is a domain name using the online free SSL certificate, and then want to change the certificate after the expiration of Let's encrypt free certificate, then want to query the domain name SSL certificate How many days left expired. The

kubernetes Introduction Kubernetes is a container cluster management system that Google Open-source in June 2014, using the Go language development, Kubernetes also called k8s. K8s is a Borg container cluster management system inside Google, Borg

Http://www.cnblogs.com/captain_ccc/articles/4093652.html This article is also the continuation of the Microsoft Series Mining algorithm Summary, the previous several mainly based on state discrete value or continuous value for speculation and

Depth learning target detection (object detection) series (i) r-cnnDepth learning target detection (object detection) series (ii) spp-netDepth learning target detection (object detection) series (iii) Fast R-CNNDepth learning target detection

1, the HA mode deployment of the NetScaler ha model NetScaler is a bit like FWSM deployment, and there is a significant difference between the deployment of F5. You can first deploy a netscaler on a single node basis, and do all of the related

　　 Ready to install a snow leopard in the virtual machine to try, so downloaded a DMG image, then found that need to convert to ISO to use. Here's how to use the UltraISO transformation. The benefits of Mac don't have to say much, compared to the

Combined with the previous capture V4l2 video, use live555 to publish live streaming via RTSP. Capture.h, Capture.cpp, vcompress.h, Vcompress.cpp need to refer to the previous pieces of article. This is just a v4l2_x264_service.cpp. #include

In the game development, before we do the characters of the action is directly in the 3dsmax animation and then put into the game, the character should do which action on which animation. But as the game becomes more complex, the problem with this

Note: This series is based on Gson 2.4. first, the basic usage of Gson Gson provides the Fromjson () and Tojson () two methods that are used directly for parsing and generation, the former for deserialization, and the latter for serialization. At

Axure Pro is a tool designed to create an interface prototype. When we communicate with users about the requirements of the software system, if we use text, the general end user is difficult to understand and imagine your future product appearance.

first, the basic concept of MP4 format MP4 format corresponds to Standard MPEG-4 standard (iso/iec14496) Second, MP4 packaging format core concept 1 MP4 package format corresponds to ISO/IEC 14496-12 (Information technology Audio-visual object code

Recently in the use of AS3 write a Flash player, found that the same is H264 encoded MP4 files, and some can be loaded a little to start playback, and some must be all loaded to broadcast. With the local player (Potplayer, Storm audio, etc.) open

The actual user ID is what the user is when you log in to the system. A valid user ID is when you are logged in as a user, but when you run a program, it is not necessarily the identity that is in effect (Lenovo passwd this command). That is, when

Simple collation of the next, there are all, good chaos ... TLD is the abbreviation of an algorithm, which is called tracking-learning-detection by the original author. Author website Link: http://personal.ee.surrey.ac.uk/Personal/Z.Kalal/ Paper: (1)

Production plan for processed dairy productsProcessing 1 barrels of milk has two processing methods, (1) Production 12 hours to get 3 kg A1, profit 24 Yuan/kg (2) Production 8 hours to get 4 kg A2, Profit 16 Yuan/kgEvery day:50 barrels of milk time 4

I. OGG audio format Overview Ogg is a free and open standard container format that is maintained by the Xiph.org Foundation. The OGG format is not limited by software patents and is designed to efficiently stream media and handle high-quality

First, demand: You need to manage and update Hexo under Windows and Macs, or to redeploy the environment. second, the idea Create a branch where a branch is used to hold the original file of the Hexo generated site, and another branch to hold the