Google Drive Doc Viewer - Use javascript to scroll and zoom document

Here is a link to a document of mine in Google Drive/Docs. What I'd like to be able to do is scroll around that document (up/down/left/right) and also to zoom in and out (without using the mouse...

Compress an iOS PDF File?

I have made an app that can make a PDF file. I just have one image as the base, and layer text and other images on top of it to make the PDF. The issue is the PDF is about 9 MB, and just one...

Text inside the table cell improperly aligned

I'm using xhtml2pdf (former pisa, or is it vice versa? :)) to generate PDF from the django template. The template is rendered ok, but PDF I get from that template is corrupted in a very weird...

Is JasperReports 10 times faster than Birt?

I am doing an evaluation of JasperReports and Birt reporting engines. I designed a simple report in both tools where I give 20 values to the report as parameters and fill 6 other values from an...

How to release heap memory after opening a PDF file using iTextPDF and Qoppa?

In my app, I have to open an editable PDF file after populating a few values. For populating values, I use PdfReader, PdfStamper & AcroFields classes from iTextPDF Library. After populating...

Qlikview Macro VBScript to print pdf and email will not run consistently - Fails in email

I have been tearing my hair out over the last few days in trying to get this macro to work consistantly on the Windows scheduler. Basically the workflow is as follows: Windows Scheduler - Daily,...

MigraDocPrintDocument not printing footers

I'm playing around with MigraDoc to print a report. For some reason, I can't get footers to print - although they show up just fine in the previewer and on generated PDFs. Here's my code - I...

Prevent LocalReport.Render using Calibri Font Ligatures

I'm having an issue with an RDLC report printing empty characters when produced as a PDF. It only affects font ligatures which I understand to be letter combinations such as: ti ft fi tt My...

Several rdlc files at the same time in the same reportviewer

As per the title, I haven't found any way to generate a report with differente rdlc files at the same time in VB .NET The point is that I have to create like 8 different reports with different...

Adobe Reader PDF Form flickers

I have a slight annoyance on my hands. I have an interactive online PDF form that multiple users very actively and routinely use. The problem is, anytime a user clicks on any part of the form, the...

Rotativa generated PDF doesn't render correctly - page break/element break

I've been turning the web upside down for the past hour or so but can't seem to find the solution for my rendering problem. I'm using Rotativa (1.6.4) as the PDF creation library which was capable...

How to embed a Base64 encoded PDF data URI into a HTML 5 `<object>` data attribute?

So in my application, users have the option to upload a file to an <input type = "file" id = "my-file"> (HTML 5 File input). I can subsequently grab this file using the following Javascript: var...

jspdf-autotables listing all options within select (instead of just whats selected)

function addWorkDetailsTopdf(pdf){ var tables = document.querySelectorAll('.pbBody, table'); var res = pdf.autoTableHtmlToJson(tables[8]); ...

PhantomJS renders blurry Chart.js canvas

I'm trying to render a report via PhantomJS 2.1.1 where the HTML page contains a chart generated by Chart.js. I have full control over that page. The resulting PDF should be a printable A4. As you...

Understanding Heap graph from visualvm

I have a program which essentially reads many files (mixed PDF usually below 10 MB + XML size of Kb) from disk and upload them one at a time into a legacy system. I let it run under visualvm when...

How to migrate Docker volume between hosts?

Docker's documentation states that volumes can be "migrated" - which I'm assuming means that I should be able to move a volume from one host to another host. (More than happy to be corrected on...

Unexpected/inaccurate image color conversions in Go

It seems as if Go's conversion arithmetic from JPEG's YCbCr to RGBA is slightly off, based on Python's PIL and ImageMagick's color values, but I'm probably just overlooking something. PIL's and...

Converting HTML to PDF using iText

I am posting this question because many developers ask more or less the same question in different forms. I will answer this question myself (I am the Founder/CTO of iText Group), so that it can...

Using R INLA hyperparameter to.theta and from.theta functions

R-INLA model hyperparameters have to.theta and from.theta functions that appear to be for converting between different parameterisations. It would be convenient to use those conversion functions...

HTML to PDF on Google AppEngine

We're currently trying to convert html files to PDF on AppEngine using Python. The HTML files are from a third-party vendor so we have no control over their format. Both the Flexible and Standard...

How to make setSignatureAppearance() location to be dynamic depending on the page content?

I am trying to add the setSignatureAppearance() in a pdf generated using tcpdf. But the signature is stucka t one place whereas I want it to be dynamically moving along with the signature image as...

Adding formulas to excel spreadsheet using python

I am attempting to insert formulas into an excel spreadsheet using python. Examples of the formulas are: =VLOOKUP(B3|"Settlement Info"!$B$2:$R$2199|17|FALSE) =SUMIFS("Payment and...

Knit with parameters in R Markdown by selecting shapefile (.shp) as file input

I am trying to render an R Markdown script to a PDF using Knit with parameters. I want other people to be able to render the report using a UI generated by the YAML header. I would like to use a...

KableExtra using row_spec in collapsed rows

I have a dataset that is set up like the following mtcars summary: mtcarssumm <- mtcars %>% group_by(cyl, gear) %>% summarise(meanMPG = mean(mpg)) %>% mutate(gear=as.character(gear)) %>% ...

differences in bitmap or rasterized font bitmaps and text display on 3.5" TFT LCD

I am using a 3.5: TFT LCD display with an Arduino Uno and the library from the manufacturer, the KeDei TFT library. The library came with a bitmap font table that is huge for the small amount of...

Scale down gt table for R Markdown PDF

This is a very general question. I created a few tables in an R markdown using the gt package. I was wondering how to scale down the table so it fits into the PDF created when I knit the markdown...

Increase caption size from kableExtra table in RMarkdown

I'm using the posterdown package in R to generate a HTML Poster and render it as a PDF. I have a table in my Rmd file, however the caption is really small. Is there a way to increase the size of...

How to start the processing by clicking a button in python

I have recently developed a python programme that read csv files and after it processes them, return pdfs containing graphs. However, if the csv files were big, the programme froze until the...

Arduino compiling error "> may not appear in macro parameter list"

I'm setting up a sensor with an Arduino Uno, the MPU6050 accelerometer. I needed to install 2 Arduino libraries to use it: https://github.com/jrowberg/i2cdevlib and...

knit sjplot as html output

I am using sjPlot::tab_xtab to create some tables in rmarkdown (they look great!). However, the tables are generated as individual html pages in my browser, and not as a single html file. Similar...