I have a function that evaluates multiple (7 in my case) Boolean variables and conditions, if only one of them is true, the result is true (of course the rest are false ). I have the following code
Tag: one
Delphi – Create a form that has not been declared – I don’t know why
I am using Delphi 7 (I know it is antique) and I am a little confused about the form I am creating and break it when I complete it.
In My main form, I used to “have” the following code;
C # Read and write files When the file is used by another process, so the process cannot access the file.
Now you need to read the log file and display it in the log query, and you need to use the IO stream.
1,
FileStream fs = File.OpenRead(url);
StreamReader sr = new StreamReader((System.
Is ‘Is Distinct from’ Is a real mysql operator?
In a book, I saw this syntax:
SELECT * FROM inw WHERE id IS DISTINCT FROM 4; But I received an error:
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that cor
C # expression tree explanation (1)
I. Preface I have always wanted to write an article about Dpper’s customized extension, but it will be designed to parse Lambda expressions, and to parse Lambda expressions, you must Know the relev
How to read an integer group in the file in C
I have a text file, each line contains one or more integers, separated by spaces. How can I read this in C in an elegant way? If I don’t care about the line, I can use cin>>, but the important thin
How do I copy the architecture and some data from SQL Server to another?
My product uses SQL Server database-each client has its own deployment instance on its own intranet. The db has about 200 tables. Most of them are only a few Row configuration table, but there are
Is there an effective algorithm to perform reverse full-text search?
I have a limited list of thousands of keywords (each keyword contains one or more words) in the database. I want to efficiently find which keywords are in a given Enter the text without having to t
Handwritten a mvvm
Recently, I watched Everest’s architecture class-Implementing an MVVM.
First, let’s understand what MVVM is.
MVVM is shorthand for Model-View-ViewModel. It is essentially an improved ve
Retrieves the last record of each group
Like the title, retrieve the last record of each group.
For example, prepare some data first:
Requirements Group by [Category] and check the record with the largest data in [Qty].