Welcome to the company ! we have many years of professional experience !
rsdzd@pyzyrsd.com +86 513525609655

over flow

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

Certificate of Honor

CONTACT US

Customer satisfaction is our first goal!

Phone

+86 513525609655

E-Mail

rsdzd@pyzyrsd.com

Address

Road West, North Branch, Jingkai Road, Puyang City

over flow
High Performance PowerShell with LINQ - Simple Talk
High Performance PowerShell with LINQ - Simple Talk

PowerShell is a scripting language, and like all scripting languages it struggles to perform well with rapid iterative processes such as aggregation. It isn't well-known that PowerShell can use LINQ for many of those tasks which would otherwise use iteration, though somewhat awkwardly. However, some of the speed improvements you can get are startling.

System.Linq.Dynamic.Core - Case insensitive Contains()
System.Linq.Dynamic.Core - Case insensitive Contains()

21/4/2021, · A few days ago we published a small post explaining how to perform a case insensitive Contains query ,using, Entity Framework Core, since the Contains() method changed its behaviour from being case-insensitive (Entity Framework and Entity Framework Core 1.0) to case-sensitive (EF Core 1.1 and onwards). In this post we’ll expant that answer to see how the fix that we’ve suggested there can …

System.Linq - Wealth Lab Forum
System.Linq - Wealth Lab Forum

Workaround: if you need to write LINQ queries, you can freely do it in a Strategy library (Indicator library, or any other compiled addon for that purpose) ,using, external C# IDE like SharpDevelop or Visual Studio, after including a reference to ,System.Linq,. p.s.

Building LINQ Queries at Runtime in C# - Tomas Petricek
Building LINQ Queries at Runtime in C# - Tomas Petricek

30/7/2007, · ,using, CustomerCondition = ,System.Linq,.Expressions .Expression>; We can now define two primitive conditions that we will need later - to define a condition we use the C# anonymous function syntax, so you can easily write a condition that for example tests whether a customer is from UK or something …

Executing LINQ Queries in PowerShell – Part 2
Executing LINQ Queries in PowerShell – Part 2

This completed for me in just over 0.4 seconds! Hopefully after last week this syntax doesn’t look too daunting, but let’s walk through what we just did. We’re calling the Join method on ,System.Linq,.Enumerable and then passing it five parameters. The first dataset we’re going to join; The second dataset to join

using System.Linq; : ProgrammerHumor - reddit
using System.Linq; : ProgrammerHumor - reddit

using System.Linq,; Meme. 0 comments. share. save. hide. report. 100% Upvoted. Log in or sign up to leave a comment Log In Sign Up. Sort by. best. no comments yet. Be the first to share what you think! View Entire Discussion (0 Comments) More posts from the ProgrammerHumor community. 72.5k. Posted by 1 day ago.

C# in a Nutshell - LINQ Quiz
C# in a Nutshell - LINQ Quiz

Answer: A. Max is one of the aggregation operators, which are implemented as extension methods in ,System.Linq,.Enumerable and ,System.Linq,.Queryable.. Max returns the maximum value calculated by the lambda expression, not the element that had the maximum value.

C# join Examples (LINQ) - Dot Net Perls
C# join Examples (LINQ) - Dot Net Perls

Include the ,System.Linq, namespace. Home. Search. C# join Examples (LINQ)Use the join keyword in query expressions. Include the ,System.Linq, namespace. dot net perls. Join. This is a keyword in LINQ. As with other query languages (such as SQL) joining matches every element in …

Getting Started - Dynamic LINQ Documentation
Getting Started - Dynamic LINQ Documentation

Database applications frequently rely on “Dynamic SQL” queries that are constructed at run-time through program logic. The LINQ infrastructure supports similar capabilities through dynamic construction of expression trees ,using, the classes in the ,System.Linq,.Expressions namespace. Expression trees are an appropriate abstraction for a variety of scenarios, but for others a string-based ...

Query DataTable using LINQ in C# - codecompiled.com
Query DataTable using LINQ in C# - codecompiled.com

Add the namespace ,System.Linq, After adding the above namespace if we call the AsEnumerable() method on the datatable ,we are able to access LINQ extension methods on the datatable In the following example we are creating a table having id and product as columns.These columns represents the id and product.We are adding different rows to the datatable having different id and product values.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City