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Extending Simple Enum Values to Be Composite

Have you felt a need for enums to have composite values? They can be defined internally within the enum as below: Public enum livingObjects {Humans,Animals,Plants,All = Humans | Animals |

Trimming Decimal Places Using TRUNCATE

Use cases where we need to have the result with varying decimal places are possible. You can change the value in the resulting field using the TRUNCATE function. Consider the

Quickly Test a Block of Code in .NET

Write a test method around the block of code that you want to test as an independent piece. Then, compile the code. Just open the test explorer window and right

Operations on dates and times

LocalDate tomorrow = LocalDate.now().plusDays(3);LocalDateTime anHourFromNow = LocalDateTime.now().plusHours(10); Long daysBetween = java.time.temporal.ChronoUnit.DAYS.between(LocalDate.now(), LocalDate.now().plusDays(2));Duration duration = Duration.between(Instant.now(), ZonedDateTime.parse(“2018-08-30T09:00:00+01:00[Europe/Stockholm]”));

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Sp_help provides a lot of information about the structure of the tables inside your database. You can highlight a table name in the SQL Query editor and then press the Alt

Using MySqlCheck

MySQL provides many utilities for verifying and taking corrective actions in case of failures. One such tool is mysqlcheck Usage: [root@mypc]# mysqlcheck -h -u -p –analyze –databases ; The above

Obtain the Oldest Open Transaction

You can obtain the oldest Open Transaction in the following way: — Create temporary table for results. CREATE TABLE #OpenTrans ( CurrTrans VARCHAR(25), CurrTransDet SQL_VARIANT ); — Insert info in

Forget Tables, Try Divs

One of the main advantage of CSS is using the to achieve total flexibility in terms of styling. In the the contents are ‘locked’ within a cell. It’s safe to

Speed Up Entity Framework Queries

Queries like the one below will perform more slowly than they could be run on a varchar column. Explicitly marking them as such will improve the performance of EF queries

Understanding the Java.time Package

import java.time.*;import java.time.format.*;class LocaleDate{ public static void main(String args[]) { LocaleDate localeDate = new LocaleDate(); localeDate.proceed(); } private void proceed() { DateTimeFormatter formatter; //Creating an instance to the current time

Escape Characters with the “@” Symbol in C#

Use the “@” symbol to prefix a string that has characters. You do not have to escape the characters in the string. For example, instead of: Var filePathString = “C:\mydocs\share\audit.docx”;

Compare Only Alphabetic Values

You can force a like condition to compare only alphabetic values. Here is how: ORDER BY CASE WHEN LTrim(RTrim(Place.Name)) NOT LIKE ‘%[^0-9]%’ THEN 1 ELSE 2 END, Place.Name

Avoid Poor Use of Reflection

Class beanClass = ???If (beanClass.newInstance() instanceof TestBean) ??? The above code is tries to use the reflection API, it tries to find a way to check for inheritance, but it

Validating an URL in Java

Java has some predefined ways of validating an URL. Here is a code snippet: import java.net.*;public class URLValidator{ String validURL = “http://google.com” ; String inValidURL = “httpgoogle.com” ; public static

Getting All Available Time Zones in Java

The package java.time has APIs to get all the available zone ids. The API is getAvailableZoneIds(). import java.time.*;import java.util.*;public class AllTimeZones{ public static void main(String args[]) { AllTimeZones allTimeZones =

Fetching Common Records Between Two Tables

You can fetch records that are common to one or more tables by using INTERSECT. Here is a small example: Select * from EmployeesIntersectSelect * from RetiredEmployees

Avoid Out of Memory Conditions

Byte[] pdf = toPdf(file); Here, a method creates a PDF file from some input and returns the binary PDF data as a byte array. This code expects that the generated

Smooth Code Review Process Directly in Visual Studio with Updated Review Assistant

Devart has released a greatly improved Review Assistant 4.0, a code review tool for creating review requests and responding to them without leaving Visual Studio. The tool received numerous review workflow enhancements including new statuses and comments, a single diff-tool window to view changes, improved code review board and many others.

Optimize Your SQL Queries with Schema Names

SQL Server, by design, caches query plans for queries. For reuse of cache, the best practice would be to include the schema name in the query. For example: select *