jump-start | Jump Start Curriculum for App Academy | Learning library
kandi X-RAY | jump-start Summary
kandi X-RAY | jump-start Summary
Jump Start Curriculum for App Academy
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of jump-start
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QUESTION
I convert HTML to PDF using iText7 and need to add Text Markup Annotations for specific text in the HTML. I am using CustomTagWorkers as explained in this link and then I am using the annotation examples given here.
I am able to successfully add Link Annotation by replacing the qr tag with a link annotation. However my requirement is to add a Text Markup Annotation. The Text Markup annotation can only be drawn by giving the specific coordinates of the page (rectangle object) which I do not know in the code. I tried to give Rectangle(0, 0)
hoping that iText will render this in place of tag. However I am unable to add the Text Markup Annotation to paragraph object which is the return object of public IPropertyContainer getElementResult() {
.
Here is my entire code:
...ANSWER
Answered 2021-Aug-09 at 19:41The easiest pragmatic way to proceed is make your tag behave as inline-block. This will make sure that we will not have the text from the tag wrap to the next line (in this case annotation is tricky to define), and also we will have a natural grouping element that we will be able to fetch the coordinates from.
I have modified the input HTML slightly, to get rid of tag in favor of
and add the above mentioned
display: inline-block
behavior:
QUESTION
I am using npm app-store-scraper package to get the app ids of 1000 of apps from the App Store. Using this npm package I am able to generate a list of JS objects and from each object, my goal is to fetch the "id" field and store it in a .csv file. How can I achieve this?
below is the piece of code I am using.
...ANSWER
Answered 2021-Apr-05 at 09:11You can map
over the array of objects and extract just the ids of each object.
QUESTION
As mentioned in the jump-start guide, mapN will run all the futures in parallel, so I created the below simple Scala program, but a sample run shows diff to be 9187 ms and diffN to be 9106 ms. So it looks like that the mapN is also running the futures sequentially, isn't it? Please let me know if I am missing something?
...ANSWER
Answered 2021-Jan-26 at 12:38Because you have sleep
outside Future
it should be like:
QUESTION
I do apply a signature to a pdf document via delayed signing(SignDeferred) using IText. The process contains the following steps:
- Prepare the pdf document for siging
- Reserve space for the signature in the pdf document
- Create the hash value of the pdf document
- Create the signature based on the hash value
- Using a self signed certificate
- Apply the signature to the pdf document
The whole process works and i end with a pdf document where the signature is set and is valid.
The original pdf is a PDF-A1a but the resulting pdf is not a valid PDF-A1a anymore. I am aware that there is a documentation about IText PDF-A support (https://kb.itextpdf.com/home/it7kb/ebooks/itext-7-jump-start-tutorial-for-java/chapter-7-creating-pdf-ua-and-pdf-a-documents), but this seems to not apply since i don't change the content of the document.
My question: How can i apply a signature using deferred signing and keep the PDF-A1a in the resulting document?
Note: If i do apply a signature directly (Without SignDeferred), the resulting pdf is still a PDF-A1a, but i do have to use SignDeferred Note: I do use https://www.pdfen.com/pdf-a-validator for checking pdf-A
Code sample- Component used for signing:
- itext.sign 7.1.5.0
- itext.kernel 7.1.5.0
- Component used for creating hash
- BouncyCastle.Crypto 1.8.1.0
The following is a complete code sample sample with everything required in one file. It only requires the references to itext and BouncyCastle and the path to a self signed certificate
...ANSWER
Answered 2020-Nov-27 at 08:00It seems the reason why the signed pdf is no longer a valid PDF-A1a is the estimated size for the signature. I have used a value of about 120kb for the signature.
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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