Docker predefines a set of ARG variables with information on the platform of the node performing the build and on the platform of the resulting image . The target platform can be specified with the –platform flag on docker build. By default, these pre-defined variables are excluded from the output ofdocker history. Excluding them reduces the risk of accidentally leaking sensitive authentication information in an HTTP_PROXY variable. The variable expansion technique in this example allows you to pass arguments from the command line and persist them in the final image by leveraging theENV instruction. Variable expansion is only supported for a limited set of Dockerfile instructions.
First, we will create a 400MB Json file using a Java program. Next is an example of a sample Person record in the form of JSON. In this tutorial we use Gson Streaming and parse a 400 MB JSON file efficiently into Java Objects without loading it completely in memory. We will also monitor the amount of memory consumed by the program. But, before we do that, let’s begin with a quick setup.
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There are no native libraries for efficiently processing JSON data in Java. Unfortunately, Java does not provide any native library for processing JSON. In this article, we will look at some of the best open-source libraries available for generating and parsing JSON in Java. JSON is a light-weight, human-readable, and language-independent data exchange format.
- Folding regions are available for all object and array elements.
- Low quality JPEGs are more compressed than high quality versions.
- It stops processing at array index four, which is the fifth object in the array.
- This page explains the basics of .zip files and how to use them.
- It is mainly used to store numerous files and helpful for emailing, transferring, and downloading the larger files easily.
- It means that if you forget to save the file or close the Notepad accidentally without saving, it’s scarcely possible to get the files back.
Text files can store large amount of data as there is no limitation on the size of contents. However, text editors opening such large files need to be smart for loading and displaying these. Almost all operating systems come with text editors that allow you to create and edit text files. For example, Windows OS comes with Notepad and Wordpad for this purpose.
Zip files(.zip) are compressed single files, sometimes called “archives”, that contain one or more documents, photographs, videos or any variety of files. Zips make it easy to keep related files together similar to folders, but make transporting, e-mailing, downloading and storing data and software faster and more efficient.