Tutorial by Examples: v

There are many ways to communicate with servers using Unity as the client (some methodologies are better than others depending on your purpose). First, one must determine the need of the server to be able to effectively send operations to and from the server. For this example, we will send a few pie...

In this example, we'll create the following table using iText 5: We need the PdfPTable and PdfPCell class to achieve this: public void createPdf(String dest) throws IOException, DocumentException { Document document = new Document(); PdfWriter.getInstance(document, new FileOutputStream...

In this example, we'll create the following table using iText 7: We'll need the Table and Cell class to achieve this: public void createPdf(String dest) throws IOException { PdfDocument pdf = new PdfDocument(new PdfWriter(dest)); try (Document document = new Document(pdf)) { T...

Suppose that we have the following text file: jekyll_hyde.txt How do we convert it to a PDF that looks like this: When using iText 5, we'd use the following code: public void createPdf(String dest) throws DocumentException, IOException { Document document = new Document(); PdfWriter....

Suppose that you have the following text file: jekyll_hyde.txt How do we convert it to a PDF that looks like this: When using iText 7, we'd need the following code: public void createPdf(String dest) throws IOException { PdfDocument pdf = new PdfDocument(new PdfWriter(dest)); Document...

There are two main platforms in VR, one is mobile platform, like Google Cardboard, Samsung GearVR, the other is PC platform, like HTC Vive, Oculus, PS VR... Unity officially supports the Oculus Rift, Google Carboard, Steam VR, Playstation VR, Gear VR, and the Microsoft Hololens. Most platforms hav...

Suppose that we have the following text file: jekyll_hyde.txt How do we convert it to a PDF that looks like this: When using iText 5, you'd need code like this: public void createPdf(String dest) throws DocumentException, IOException { Document document = new Document(); PdfWriter wr...

Suppose that you have the following text file: jekyll_hyde.txt How do we convert it to a PDF that looks like this: When using iText 7, you'd need code like this: public void createPdf(String dest) throws IOException { PdfDocument pdf = new PdfDocument(new PdfWriter(dest)); Document do...

Suppose that we have the following text file: jekyll_hyde.txt How do we convert it to a PDF that looks like this: Note the blue border that is added to the titles, and the page number at the bottom of each page. In iText 5, these elements are added using page events: class MyPageEvents extends ...

Suppose that you have the following text file: jekyll_hyde.txt How do we convert it to a PDF that looks like this: Note the page numbers at the bottom of each page. These are added using an IEventHandler implementation: protected class Footer implements IEventHandler { @Override pub...

Suppose that you have the following text file: jekyll_hyde.txt How do we convert it to a PDF that looks like this: Note that this is very similar to what we had before, but the border of the titles now has rounded corners. We created a custom ParagraphRenderer to achieve this, and we created a T...

Suppose that we want to create a simple Hello World document: In iText 5, this would be done like this: public void createPdf(String dest) throws DocumentException, IOException { Document document = new Document(); PdfWriter.getInstance( document, new FileOutputStream(des...

Suppose that we wanted to create a simple Hello World document: In iText 7, we could do that like this: public void createPdf(String dest) throws IOException { PdfDocument pdf = new PdfDocument(new PdfWriter(dest)); Document document = new Document(pdf); document.add(new Paragraph...

An NSPredicate can use substitution variables to allow values to be bound on the fly. Objective-C NSPredicate *template = [NSPredicate predicateWithFormat: @"self BEGINSWITH $letter"]; NSDictionary *variables = @{ @"letter": @"r" }; NSPredicate *beginsWithR = [templ...

To prevent memory leaks, one should not forget to close an input stream or an output stream whose job is done. This is usually done with a try-catch-finally statement without the catch part: void writeNullBytesToAFile(int count, String filename) throws IOException { FileOutputStream out = null...

You can bind event listeners to the EventSource object to listen to different events channels using the .addEventListener method. EventSource.addEventListener(name: String, callback: Function, [options]) name: The name related to the name of the channel the server is emitting events to. callb...

Save aps.cer to a folder Open "Keychain access" and export the key that is under that certificate to a .p12 file (call it key.p12). To do that right click on it and choose Export. Save it to the same folder as step 1. On export you will be prompted for a password. Make something u...

What is Flink Like Apache Hadoop and Apache Spark, Apache Flink is a community-driven open source framework for distributed Big Data Analytics. Written in Java, Flink has APIs for Scala, Java and Python, allowing for Batch and Real-Time streaming analytics. Requirements a UNIX-like environment,...

When an application has not been packaged as an executable JAR, you need to provide the name of an entry-point class on the java command line. Running the HelloWorld class The "HelloWorld" example is described in Creating a new Java program . It consists of a single class called HelloWo...

GET your REST data and store in a PowerShell object: $Post = Invoke-RestMethod -Uri "http://jsonplaceholder.typicode.com/posts/1" Modify your data: $Post.title = "New Title" PUT the REST data back $Json = $Post | ConvertTo-Json Invoke-RestMethod -Method Put -Uri "h...