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Questions tagged [redo]

121 questions
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Oracle - redo sequence number is different from oracle server's sequence number

I have an oracle database which has problems preventing it from opening. To overcome the issues, I tried following steps: First I mounted database: SQL> startup mount; ORA-32004: obsolete and/or deprecated parameter(s) specified ORACLE instance…
Ugur KAYA
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Prolog redoes a call and fails for no apparent reason

I'm fairly new to Prolog. Anyway, I'm trying to write a recursive set of rules that return the average number of characters per word in a given list of character codes. My code is below. medellangd(Text,AvgLen) :- medellangd(Text,T,1,0,0), …
Måns Nilsson
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I had trouble finding JavaScript undo, redo, save code in JavaScript, so I made StateMaker

Here it is: function StateMaker(initialStateObj){ var o = initialStateObj; if(o){ if(typeof o === 'object' && o instanceof Array || typeof o !== 'object'){ throw new Error('initialStateObj must be an Object'); return false; …
StackSlave
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Reading redo logs from one instance of Oracle and add to another

Hello there I am new in Database. I want to read redo logs from one instance of Oracle and want's to stored that transactions in new Datasource. I know that GOLDEN GATE is there to read change data capture. I want to read it from any other…
Sumit
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Oracle：Why Oracle create a redo change vector describing the change to the undo block when user issue an instruction to change an item of data

Generally, when a user issues an instruction to change a data block, Oracle works through 4 critical steps to make the change happen: Create a redo change vector describing the change to the data block; Create an undo record for insertion into an…
LoremIpsum
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What is the proper ruby way to redo a conditional?

The task is to check if a contact page exists and navigate to it. For the websites not in english, the method looks for an english page and then restarts to check for a contact page. My conditional works fine, but I figured there must be a better…
binarymason
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VBA If used range contains a word/text/value, go back to previous step

I wrote a macro to download data from a website, after the website is fully loaded, it will scrap the data by the html tag, however, sometimes the data is incorrectly scraped due to unknown error, I want to add a checking after each variant 'x'…
Nicholas Kan
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C++ - back to start of loop without checking the condition

Programming on perl, we can use a smart function named 'redo' - we can go back to the start of the loop, without looking at the condition. It's useful when, for example, we create a table in which we must to set a expected values/characters (e.g.…
Plusce
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NSUndoManager with Core Data - Redo not working

I have a Core Data document-based app which support undo/redo via the built-in NSUndoManager associated with the NSManagedObjectContext. I have a few actions set up which perform numerous tasks within Core Data, wrap all these tasks into an undo…
CJ.
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In custom drawing views, undo and redo options is not working

I am trying to make undo,redo options in custom drawing view app. But it is not working as i want. I am not good in english. Through picture, let me try to show the working of undo , redo functions. Hope so, this picture will explain my problem. i…
FAISAL
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ruby rescue block

I'm running a script with an API that often times out. I'm using begin/rescue blocks to get it to redo when this happens, but want to log what is happening to the command line before I run the redo command. begin #...api query... rescue ErrorClass …
boulder_ruby
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Paint Program in Python - Undo and Redo

I am currently working on creating a paint program using python and pygame. I am currently having trouble with creating the undo/redo function in the program. The way I was thinking of doing so would be to save the canvas image after each time the…
user2950875
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Implementing undo and redo with pygame and lambdas

I'm trying to implement undo and redo in a pygame application using lambdas, but something to do with references or else my understanding of the implementation of list.remove() is causing my program to crash. The code that creates undoable actions…
Sean Kelleher
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NSUndoManager not keeping the stack with redo/undo for an iPhone app for UnDo/Redo drawings

I am building an iPhone app with Objective C. In my app, I am drawing the strokes on image and want to implement the undo and redo functionalities. I have used NSUndoManager for this. With this I am able to undo my drawing at one level down, but my…
Mandeep Kaur
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Is it possible to redo the files from explorer in VS Code?

I did 7-8 Ctrl+Z mistaken in explorer panel in VS Code and some files have been changed now. And it seems Ctrl+Y doesn't work in explorer to bring everything back again! I wanted to make sure if there is anyway that I can do the opposite of those…
Hasani
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