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One of the widely wasted resources in the world today is: Memory. Due to inefficient programming, surprising (sometimes ???shocking???) amount of memory is wasted. We see this pattern repeated in several enterprise applications. To prove this case, we conducted a small study. We analyzed the famous spring boot pet clinic application to see how much memory it is wasting. This application has been designed by the community to show how the spring application framework can be used to build simple but powerful database-oriented applications.Â
Returning a stream of int zero-extending the char values from a String can be done via chars(): String str = “hello world”;IntStream chars = str.chars();
Often, file sizes are too big to back them up or share them with someone. You can create a compressed version that will save you disk space, transfer time, etc.
We can get all columns in all tables of a specific data type. The example below gets all INT columns in the entire database SELECT OBJECT_NAME(sys.columns.OBJECT_ID) as TableName, sys.columns.name as
You can run a Registry Query from the command prompt to ascertain if TLS 1.2 is enabled on a server or not. reg query “HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSecurityProvidersSCHANNELProtocolsTLS 1.2Client” reg query “HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSecurityProvidersSCHANNELProtocolsTLS 1.2Server”
Most of us are familiar with AUTO_INCREMENT, and have used it in at least one context. However, the following behavior is a little tricky, especially when we fail to observe — and
For setting database dialect in Spring Boot, rely on spring.jpa.properties.hibernate.dialect property in application.properties. For example, setting the MySQL5Dialect dialect can be done as below: spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect Related Articles How to Set
By default, developers work with time up to the level of seconds, i.e. HOURS, MINUTES and SECONDS. There could be instances in which we may want to work on the
In computer programming, whitespace is any character or series of characters that represent horizontal or vertical space in typography. Learn how to to check if a character is whitespace, as
See how to figure out whether or not a given TimeZone supports the Daylight Saving feature and if it is in use. Java supports this with the help of observesDaylightTime()
To convert a code-point (Unicode surrogate pair) into a string, rely on the following code: String str = “hello world”;int cp = str.codePointAt(some_position_in_str);String ch = String.valueOf(Character.toChars(cp));
You can use the yield keyword to hold and return the data to the caller. See below for an example. Public static IEnumerable ExampleMethod(){ List li = new List(); foreach
Dates are an important part of all record keeping activities. Due to globalization, it is important to understand how each country represents the date. Some countries start the date with
For building faster SQL queries, follow these hints. 1. Use Smaller batches Always try to delete data or update data in smaller batches. If you try to delete thousands of
With MySQL, we can find out the quarter by providing a date. In the example below, we will look at the current quarter with input as current date. Query: SELECT
Looping the characters of a string can be done via charAt() or toCharArray() as follows: String str = “hello world”;for (int i = 0; i
With the Skip and Take methods in LINQ, paging has become a lot easier. All we need to do is have a simple logic such as is outlined below. This
You may choose to validate the data that you enter in a table either, at the database level or at the application level. Application level is feasible only if the
Sometimes it can be quite a tedious task to construct a simple SQL query. These queries usually includes a lot of repetition for similar, yet different results. If you take
AmazonRekognitionClient amazonRekognitionClient = new AmazonRekognitionClient(Amazon.RegionEndpoint.);byte[] imageData = System.IO.File.ReadAllBytes(inputImageFile);DetectFacesRequest facesRequest = new DetectFacesRequest();facesRequest.Image = new Amazon.Rekognition.Model.Image{Bytes = new MemoryStream(imageData)};DetectFacesResponse facesResponse = amazonRekognitionClient.DetectFaces(facesRequest);//If faces are detected, extract themif (facesResponse.FaceDetails.Count > 0){foreach (var
 Hello Editor, I am Rooney Reeves working as a Business Development Executive at eTatvaSoft. I’m writing to become more actively involved with your publication and I’d love to contribute a guest post on your website. For my writing skill, You can check out some of my published article links as listed below:     https://readwrite.com/2019/03/20/iot-and-ar-are-found-revolutionizing-the-world-of-mobile-apps/     https://blogs.sap.com/2019/01/21/combining-iot-with-custom-mobile-apps-is-it-an-opportunity-or-a-roadblock/     https://codepen.io/lisadawson/post/why-is-angularjs-going-to-be-the-hot-favorite-among-web-developers     https://www.devsaran.com/blog/react-development-framework-taking-over-front-end-development     https://www.getelastic.com/6-digital-payment-trends-to-keep-an-eye-on I’ve been brainstorming some topics that I think your readers would get a ton of value. I’d like to pitch that topics which I think would be of interest to your readers. Here are the details: Topic 1: Angular 2 ??? Learn The Role Of Different Zones Topic 2: Laravel 5: Repositories and Services- How To Use Them? Topic 3: Angular 2- How To Protect Routes Using Guards If you don’t like the topics, we can always switch to something more suitable. I’ll make sure the piece overflows with information that can’t be found. What do you think? Would that be of interest?
Starting with JDK 13, we can define multi-line strings using “”” as follows: String text = “””some textsome textsome text”””; Related Articles Loop the Characters of a String Working with
MySQL has lot of support for working with date and time. The following is a quick and neat way of converting the current time from Unix format to Readable format.
For faster SQL queries, follow these hints. Know your data:When you know your data, or the structure of where your data is coming from, you will know how to formulate
Use the max() function to determine the value of the maximum number in a list. ages = [56, 34, 22, 35, 56, 89]maximumValue = max(ages) That’s all there is to
Let’s assume that we have a proxy at address proxy.host:8888. We can set up this proxy via the JDK 11 HttpClient as follows: HttpClient client = HttpClient.newBuilder() .proxy(ProxySelector.of(new InetSocketAddress(“proxy.host”, 8888)))
The Formatter class is used to format the output as needed. Here, we are trying to print the current time formatted in more than one format. Please see the output
A short is a 16-bit signed integer. It has a minimum value of -215 (-32,768), and a maximum value of 215 ‘1 (32,767) short example = -32; short myShort =
Learn how to use enum effectively in a switch case block. There are multiple advantages to not making any mistakes since the originals are defined in the enum. public class
Tessaract is a popular OCR software that lets you convert image to text with high accuracy. We can utilize its SDK in .Net and convert image to text very easily.
