batch-processing

问题 I am trying to process a lot of objects in chunks of a certain size (batchSize). This loop seems to work, but it processes only half the records. Relevant piece of code is: { //Prepare fetching products without images in the database NSFetchRequest * productFetchRequest = [NSFetchRequest fetchRequestWithEntityName:@"Product"]; //Sort by last changed photo first NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"photoModificationDate" ascending:NO]; [productFetchRequest

问题 I'm trying to read the contents of a text file and store any paths found on each line into their own variable. There's just 1 path on each line and also on each line there's other text (double quotes, a number and a tab). Is this even possible? I've spent around 6 hours scouring Bing and Google trying to find out if i can do this and i haven't found anything. Here's an example of the text file: "LibraryFolders" { "1" "D:\\Steam Games" "2" "E:\\Steam Games" } The number of library folders

问题 I am writing spring batch which reads from flat file, do little processing and write the summary to the output file. My processor and writer are relatively quicker compared to reader. I am using FlatFileItemReader and tried with wide range of commit intervals starting from 50-1000. My batch job has to process 10 millions records on a faster rate. Kindly let me know the ways to improve the speed rate of FlatFileItemReader. pasting below my config file and my Mapper class read the fieldset and

问题 I have the following code listed below: oTable = sap.ui.getCore().byId('tableID'); var index = oTable.getSelectedIndex(); if (index > -1) { var currentRowContext = oTable.getContextByIndex(index); var model = oTable.getModel(); var name = model.getProperty("NAME", currentRowContext); var phase = model.getProperty("PHASE", currentRowContext); var originalPhase = Phase; var sequence; var batchChanges = []; jQuery.ajax({ type: "GET", contentType: "application/json", url: "http:/

问题 I want to make a batch file that runs a particular program and then the command window exits itself, I tried this cause i will make a shortcut of that batch file so the batch file is in root directory @echo off "program.exe" "mainframe.pkg" exit it works but the black windows doesn't disappear and causes a fuss in the program cause it has perimeters. Any way to remove the black ugly CMD window. 回答1: Use the start command. @echo off start "" "program.exe" "mainframe.pkg" The first quoted

问题 I was trying to delete rows in a batch using JPA EntityManager. I got the following exception. java.lang.IllegalStateException: Not allowed to create transaction on shared EntityManager - use Spring transactions or EJB CMT instead at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:199) at $Proxy783.getTransaction(Unknown Source) at admin.dao.CountryDAO.delete(CountryDAO.java:109) at sun.reflect

问题 I have cluster of 10 folders, each with 1000 program files. I need to search these text files for a MISSING string. All files must start with $O123456.MIN% (123456 being random file names). I know how to find if the string exists, but how do I identify if the string does not exist? Once it is identified, what file is missing the string, I would like eather a report or a copy of that file, moved to another folder. 回答1: This will output all files that don't have the string into the file Missing

问题 I would like to use as the variable for my code below, instead of what comes after ClassName= in 1.txt, I would like what comes in-between this: EntryText=Ship sunk!|Grid AO 77| Variable , (notice the comma after the variable and the | before it ) So grab after the text line ending with the second | and before the comma. The text line before the variable will be the same and constant EXCEPT after "Grid" there could be any mixture of letters and numbers up until the second | So I am trying to

问题 I have a use case where I want to replace %%20 which is part of a string for example: "Calculation%%20One". I want to replace this with "Calculation One". This where I am stuck: @echo off setlocal enableextensions disabledelayedexpansion >"temp" ( echo !Option1! echo !Option2! echo !Option3! ) set "pattern=%%20" for /f "usebackq delims=" %%a in ("temp") do ( echo data: %%a set "line=%%a" setlocal enabledelayedexpansion if "!line:%pattern%=!"=="!line!" ( set string=!Option1! set string2=%

问题 I have two text files using which i want to get output.txt as follows: file1.txt: Windows 1.36 Linux 2.78 MacOS 3.45 Ubuntu 4.12 FreePhysicalMemory 30.12 TotalVisibleMemorySize 48.00 file2.txt: MacOS 6.39 Windows 4.42 Linux 5.76 Android 3.46 FreePhysicalMemory 31.65 TotalVisibleMemorySize 48.00 output.txt: OPERATING SYSTEM SERVER1 SERVER2 Windows 1.36 4.42 Linux 2.78 5.76 MacOS 3.45 6.39 Ubuntu 4.12 0.00 Android 0.00 3.46 FreePhysicalMemory 30.12 31.65 TotalVisibleMemorySize 48.00 48.00 I am