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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 – ODP.NET ORA-12154 A TNS error occurs only as a service run

I am writing a service in VB.NET, using ODP.NET to continuously log data to Oracle DB

The application was originally designed as a basic Written in a Windows Forms application, but when I por

October 6, 2021By Simo Visual Basic appearance, error, ODP, ODP.NET, only, operation, ORA, service, serving, TNS, VB, VB.NETLeave a Comment

How to create a file in Ruby

I am trying to create a new file, but things don’t seem to work as I expected. Here is what I tried:

File.new “out.txt”
File.open “out.txt”
File.new “out.txt”,”w”
File.open “out .txt”,”

October 6, 2021By Simo Ruby create, How, rubyLeave a Comment

Ruby – What does various parameter prefixes mean when declaring methods?

When declaring a method, what do the various prefixes of the parameters mean?

sh(*cmd, &block) What does the * before cmd mean?

What & what does it mean before the block

def foo(*

October 6, 2021By Simo Ruby meaning, method, parameters, prefix, ruby, statement, time, various, whatLeave a Comment

VB.NET image mask is smooth along the edge

Hey all I want to make my image look beautiful and smooth (anti-aliasing) by using a mask, in order to make a circular image, as shown below: The original image looks like this:

The mask of

October 6, 2021By Simo Visual Basic Edition, image, Mon, Sleek along the edge, VB, VB.NETLeave a Comment

Ruby-on-rails – Ruby On Rails Script Console

I could not run ./script/console before because my script console file contains #! /usr/bin/env ruby​​19, so it used to throw an error. After clicking and trying out, I used #! /usr/bin/env ruby​​R

October 6, 2021By Simo Ruby Console, rails, ruby, ScriptsLeave a Comment

VB.NET – How do I determine if the char is A-Z letter?

How do I determine if the letters are in the range of A-Z or numbers 0-9? We received some corrupted data “I_999Š=ÄÖÆaðøñòòñ”.

I thought I could use Char.IsLetterOrDigit(“Š”) to identify the

October 6, 2021By Simo Visual Basic determine, How, letter, VB, VB.NET, whether, whether charLeave a Comment

Understand compressed files in VB.NET

Can someone help me solve the problem of how to decompress the zip file in VB.Net?

Use “Imports Shell32” for instant messaging

From the above article:

Sub UnZip()
Dim sc As New S

October 6, 2021By Simo Visual Basic file, Medium, unzipped, VB, VB.NETLeave a Comment

VB.NET – Unrecognized ‘=’ in SQL statement

I receive an error stating that the equal sign cannot be recognized. I always test my code in Access to make sure it works. Does anyone know why this is happening?

Code:

SELECT SUM(
II

October 6, 2021By Simo Visual Basic middle, SQL, statement, unable to identify, VB, VB.NETLeave a Comment

Ruby-on-rails – What is best practices for operating form data before saving in Rails 3?

From a rails best practice point of view, what is the best place to manipulate form data before saving?

For instace, on the contact form, I want to make sure that all data is saved in upperca

October 6, 2021By Simo Ruby Before, best, data, form, operation, practice, rails, ruby, save, whatLeave a Comment

Query LDAP users better ways through Ruby Net-LDAP?

Is there a better way to search for users and computers that specifically use the Net-ldap gem?

This is what I currently do just to get users.

results = search :base => @base, :filter =

October 6, 2021By Simo Ruby better, LDAP, method, query, Through Ruby, userLeave a Comment

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