oracle complete tutorial

the session directly.The difference between the TempData and the session is that when the TempData value is read, the value is marked for deletion.When the request is finished, it is deleted.There are two tips:1, using the Peek method, you can get the value of tempdata, without marking it as deleteDateTime time = (DateTime)TempData.Peek("Date");2, using the Keep method, you can retain a value that will be deletedTempData.Keep("Date");The Keep method does not permanently protect a value. If this

--oracle exception return complete information, see finally attached--Of course, it's best to select the returned information, along with other relevant information about the code--such as the occurrence of object name, time, etc. insert pre-built reference error table--11:08 2007-11-26 edit by Inreyou DeclareStrName Varchar2 (20);BeginStrName: = ' datanotfound '; --datanotfound If StrName = ' Divideiszero

Complete notes on learning oracle plsql pl/SQL anonymous block declare -- Declaration part, optional begin -- execution part, required exception -- exception, optional end; -- the required stored procedure create procedure name (which can be written to the parameters to be received) is -- declares some beginexceptionend; uses the begin name (parameter) end; to use the stored procedure function create functi

Create user _ authorization _ in Oracle and import data Complete process: create users, create tablespaces, authorize, and create tables L create a user Create user BBS identified by bbs123; L create a tablespace Create tablespace ts_bbs datafile 'e:/BBS/bbs_data.dbf' size 100 m; The tablespace directory must be created manually. L allocate the tablespace to the user

Docker Learning Tutorial Notes integration (complete)This article is mainly to organize the Dockerone organization translation Flux7 Docker Introductory tutorial, through Markdown Records, convenient offline learning. The original address, http://dockone.io/article/101.Some of the links may be redirected to foreign sites, if there is no plugin or open a VPN frien

Mars-android Development Video Tutorial (first quarter)Links: http://download.csdn.net/detail/tuzki_520/7864605Mars-android Development Video Tutorial (second quarter)Links: http://download.csdn.net/detail/tuzki_520/7868569Mars-android Development Video Tutorial (third quarter)Links: http://download.csdn.net/detail/tuzki_520/7864613Mars-android Development Video

This is my own earlier listening to the lesson of the Java Basic set of knowledge, for beginners, but also suitable for intermediate programmers, I made the type of CHM documents, you can download notes is a more comprehensive system, can be worth 90% of the market on the study material. I hate the random stuff and the people who get it! Here I share for free for everyone to use!In this platform really can learn a lot of things! A lot of people are selfless dedication of their wisdom and knowled

This is my own earlier listening to the lesson of the Java Basic set of knowledge, for beginners, but also suitable for intermediate programmers, I made the type of CHM documents, you can download notes is a more comprehensive system, can be worth 90% of the market on the study material. I hate the random stuff and the people who get it! Here I share for free for everyone to use!In this platform really can learn a lot of things! A lot of people are selfless dedication of their wisdom and knowled

Workaround: 1, press the "CTRL+SHIFT+ESC" key combination to open Task Manager, you can also press the "Ctrl+alt+delete", and then click "Task Manager"; 2, click "File"-"Run a new task" in turn; 3. In the New task box, check "Create this task with system administrative rights", and then enter the command in the format of: Mstscconsolev:IP:Port, such as: mstscconsolev:192.168.0.1:3389 Click OK, the target host modified the terminal port, Change port to the modified ports can be resolved!

very well understood, is it? So see: With all the optional minus sign (-{0,1}) beginning (^), followed by 0 or more digits ([0-9]{0,}), and an optional decimal point (. { 0,1}) followed by 0 or more digits ([0-9]{0,}) and nothing else ($). Below you will know the simpler way to use it. Special character "?" is equal to {0,1}, they all represent: "0 or 1 previous content" or "previous content is optional." So the example can be simplified as follows: ^-? [0-9] {0,}.? [0-9] {0,}$ The special c

coding styles to provide JavaScript validation JSLint may have identified some structural errors as questionable coding practices, some of which are listed below (the complete list can refer to JSLint's documentation). JSLint requires that all lines of code end with semicolons. Although JavaScript does allow newline characters to be used as a line terminator, it is generally considered ambiguous and a bad coding style. Statements using if and for

1. Management tool---Service inside stop MySQL service.2. Control Panel---Uninstall MySQL, delete C:\Program files\mysql directory.3. This is the most critical step, only to do the first two steps, the password or can not be modified, because MySQL also has files, that is, in C:\Documents and Settings\All Users\Application Data inside the MySQL folder, This file is not cleared and is the source of the old password for MySQL reload. Then delete the MySQL folder.4. Check if there is a My.ini file

Label:1. Find out if MySQL was previously installed First use: Yum remove mysql* command to uninstall MySQL and related components Command: Rpm-qa|grep-i MySQLYou can see the following as shown: Description was previously installed:Mysql-client-5.5.25a-1.rhel5Mysql-server-5.5.25a-1.rhel5 2. Stop the MySQL service, delete the previously installed MySQL Delete command: Rpm-e–nodeps package name# Rpm-ev Mysql-client-5.5.25a-1.rhel5# Rpm-ev Mysql-server-5.5.25a-1.rhel5 3, find the old version of

knowledge. But--if you don't finish this article, I have one last big trick. But you may have to pay for a meal + a pack of cigarettes--check out my recorded video tutorial, "Building an automated web front-end development environment with Grunt" (the tutorial has a source download) to make sure you'll use it when you're finished.(PS: It happens that this article is written based on the Windows environment

knowledge. But--if you don't finish this article, I have one last big trick. But you may have to pay for a meal + a pack of cigarettes--check out my recorded video tutorial, "Building an automated web front-end development environment with Grunt" (the tutorial has a source download) to make sure you'll use it when you're finished.(PS: It happens that this article is written based on the Windows environment

Most complete Pycharm Tutorials (1)--Custom SkinsMost full Pycharm Tutorials (2)-code styleMost full Pycharm Tutorials (3)-code debugging, runningMost complete Pycharm Tutorials (4)--related configuration for Python interpreterMost full Pycharm Tutorials (5)--python shortcut key Related settingsMost full Pycharm Tutorials (6)--using Pycharm as a VIM editorMost full Pycharm Tutorials (7)--Configuration of VM

Most complete Pycharm Tutorials (1)--Custom SkinsMost full Pycharm Tutorials (2)-code styleMost full Pycharm Tutorials (3)-code debugging, runningMost complete Pycharm Tutorials (4)--related configuration for Python interpreterMost full Pycharm Tutorials (5)--python shortcut key Related settingsMost full Pycharm Tutorials (6)--using Pycharm as a VIM editorMost full Pycharm Tutorials (7)--Configuration of VM

Python3 English Video tutorial (all 87 episodes) Http://pan.baidu.com/s/1dDnGBvVPython from getting Started to mastering video (all 60 episodes) Link: http://pan.baidu.com/s/1eQw2dd4 Password: 9BDLPython Learning Manual Video tutorial (all 44 episodes) Http://pan.baidu.com/s/1o64tpf80 Basic Beginner Learning Python (all 42 episodes) Link: http://pan.baidu.com/s/1qWNmdKo Password: jrjyMid Valley Python Video

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Original: Mvc5+ef6 Complete tutorial 17--upgrade to EFCore2.0EF Core 2.0 was released last week and we are also upgrading to coreThe article is based on vs2017, please install the vs2017 (15.3) First of all.This article mainly tells the difference point, and the same as before will not repeat.Article Directory (difference point):I. New project, changes in EF configuration/use processSecond, the change of au