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Category: Language

Programming language is a formal language used to define computer programs. It is a standardized communication technique used to issue instructions to a computer. A computer language allows programmers to accurately define the data that the computer needs to use, and precisely define the actions that should be taken in different situations.

VB.NET – Connect to Access Databases with Database Passwords

I have a password protected mdb file but I cannot access it on vb.net. I don’t know the correct code to define the password.
This is my current code, I I know its error, but I don’t know the corre

October 6, 2021By Simo Visual Basic Access, connection, Cryptography, database, VB, VB.NETLeave a Comment

VB.NET – How to split a large number of table data into smaller-related tables? (Not a database problem)

I really hope that I can describe this problem in an understandable way. This is a problem I can’t start to solve, even if I (mostly) understand it. I just don’t Determine where to start, I really

October 6, 2021By Simo Visual BasicLeave a Comment

Ruby-on-rails – Why is Ary.each to dump all content of the object?

foo is an array of objects, and bar is an attribute of the object.

(rdb:1) foo .bar.map{|v| bar.v }
[“a”, “b”, “c”, “d”, “e”, “f”]
< br />(rdb:1) foo.bar.each{|v| p bar.v }
[massive outpourin

October 6, 2021By Simo Ruby all, Ary, Ary.each, Content, dump, meeting, object, rails, ruby, whyLeave a Comment

WPF – TaskFactory New UI creation

How to use TaskFactory to create new UI elements? When I try, I get the following error:

The calling thread must be STA, because many UI components need this.

Sample code

Dim txtB

October 6, 2021By Simo Visual BasicLeave a Comment

VB.NET user-defined exception example?

Very simply, I want to know if anyone here can give me an example of a user-defined exception in VB.Net. I already have two examples that I can find online, But other than that, I can’t think of it

October 6, 2021By Simo Visual Basic example, exception, user-defined, VB, VB.NETLeave a Comment

Ruby-on-rails – rails – Comment W ACTS_AS_NESTED_SET – Remove the destruction data when deleting related records

I have the following models:

class Group :destroy
class Thread :commentable, :dependent => :destroy
class Comment true
acts_as_nested_set The problem I have is that when the user deletes

October 6, 2021By Simo Ruby ACTS, data, delete, nested, Record, Related, ruby, set, timeLeave a Comment

VB.NET – Find the location of the first child string in the string

I am not a method to find a string in another string. It should return the position of the first occurrence of the substring. (In VB 2008!) String.IndexOf

I’m not a way to find a string in

October 6, 2021By Simo Visual Basic Find, First, location, string, strings, Subs, VB, VB.NETLeave a Comment

VB.NET – How to set tooltips on the .NET ListView subkey

I am trying to set tooltip text for some subitems in the listview control. I cannot get the tooltip displayed.

Does anyone have any suggestions? ?

Private _timer As Timer
Private Sub Ti

October 6, 2021By Simo Visual Basic Child, How, ListView, Medium, Settings, Tips, tools, VB, VB.NETLeave a Comment

Ruby-on-rails – RSPEC can output a value that makes test failure?

I have this statement:

@obj[:attribute].eql?(“TestValue”).should be_true If not just tell me the test failed, it will tell me it failed, because @obj[:attribute] is zero or 1234 or what it is

October 6, 2021By Simo Ruby Failure, Output, rails, RSPEC, ruby, test, value, YesLeave a Comment

Ruby concurrent, process, thread, gil, eventmachine, celluloid

Regarding concurrency and parallelism, it happened not long ago. A group of colleagues went to Family Mart to buy lunch, and brought them back. The company only has one microwave oven for heating,

October 6, 2021By Simo Ruby celluloid, concurrent, eventmachine, gil, process, ruby, threadLeave a Comment

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