pdf

问题 I am currently working on a Windows 10 UWP App. The App needs to Check if a certain PDF File exists called "01-introduction", and if so open it. I already have the code for if the file does not exist. The Code Below is what i currently have: try { var test = await DownloadsFolder.CreateFileAsync("01-Introduction.pdf", CreationCollisionOption.FailIfExists); } catch { } This code Does not work correctly because to check if the file exists here, I attempt to create the file. However if the file

问题 So... I've been trying to use the example provided in the documentation of itext for merging documents and creating a TOC for the merged result. But the part that adds page number text to every page isn't working as I would expect. What happens is that the text added gets flipped over some horizontal axis as shown in the next picture: Also, the java doc for the method used to set a fixed position to the added text ( public T setFixedPosition(int pageNumber, float left, float bottom, float

问题 Do you know if it is possible to search specific text like "xAx" into a Microsoft Word file (.doc or .docx) hosted on a website, replace it with some other text input by the user and make the file available for download using nodejs? Is there a npm library that can do that? If not it is possible to manipulate a PDF file instead? Please note that I do not want to create the document but manipulate a template file in the server. Thank you for your help. 回答1: There is project https://github.com

问题 I tried opening a PDF file using the window.open() , but the window opens and closes automatically and the file is downloaded like any other file. How to make the pdf file open in new tab? There are no ad blockers installed. 回答1: From @barbsan idea, I changed the http headers and received a blob and used that to display the blob as pdf using window.open(). It worked. Here is my sample code. In service file downloadPDF(url): any { const options = { responseType: ResponseContentType.Blob };

问题 I would like to have your help in order to find the solution for the following. I would like to extract SAP standard invoices to PDF files. The steps are VF03 - insert billing doc - Menu: Billing Document - Issue output - select the line - print preview - PDF! + and then I have the pop-up window below. In the pop up window I would like to press the 'SAVE button' and then save the file with specific filename, which I have already copied to clipboard. The code is the following SESSION.findById(

问题 I am able to create a pdf from a single Google spreadsheet sheet using this code. Is it possible to tweak this code to allow multiple sheets from different spreadsheets to be merged into a single pdf? Or would I need to take an entirely different approach? 回答1: I guess you can't but you can easily merge spreadsheets into a temporary spreadsheet and export this one as pdf. to merge sheets from different origins you have a choice of methods to choose from, below is a small example that gets 1

问题 I am able to create a pdf from a single Google spreadsheet sheet using this code. Is it possible to tweak this code to allow multiple sheets from different spreadsheets to be merged into a single pdf? Or would I need to take an entirely different approach? 回答1: I guess you can't but you can easily merge spreadsheets into a temporary spreadsheet and export this one as pdf. to merge sheets from different origins you have a choice of methods to choose from, below is a small example that gets 1

问题 Someone can help me to let me know how to read the pdf file, which is including some tables. I want to extract the data in the table, and arrange to csv file. Thanks a lot 回答1: A well described step-by-step from University of Virginia you'll find at Reading PDF files into R for text mining. Some information I extracted below. Please follow the installation notes described in the link above. With that done, you’re ready to use readPDF to create your function to read in PDF files. You can name

问题 Someone can help me to let me know how to read the pdf file, which is including some tables. I want to extract the data in the table, and arrange to csv file. Thanks a lot 回答1: A well described step-by-step from University of Virginia you'll find at Reading PDF files into R for text mining. Some information I extracted below. Please follow the installation notes described in the link above. With that done, you’re ready to use readPDF to create your function to read in PDF files. You can name

问题 Im making a shiny app, that will create 2 plots and one table. There are a lot of options in the select input part. Once selected it will subset the data.frame and return with another data.frame to be analised. It will plot accordingly and I want it to generate a report in pdf (or html) with the details of the input. Like "Generate Report" button and give me the plot for that specific input and with the input$company.pdf (or html) name. I have searched everywhere and I cant find out how to do