|
public class Metadata
{
public string provider { get; set; }
}
public class GrammaticalFeature
{
public string text { get; set; }
public string type { get; set; }
}
public class Example
{
public string text { get; set; }
}
public class Sens
{
public List<string> definitions { get; set; }
public List<string> domains { get; set; }
public List<Example> examples { get; set; }
public string id { get; set; }
public List<string> short_definitions { get; set; }
}
public class VariantForm
{
public string text { get; set; }
}
public class Entry
{
public List<string> etymologies { get; set; }
public List<GrammaticalFeature> grammaticalFeatures { get; set; }
public string homographNumber { get; set; }
public List<Sens> senses { get; set; }
public List<VariantForm> variantForms { get; set; }
}
public class Pronunciation
{
public string audioFile { get; set; }
public List<string> dialects { get; set; }
public string phoneticNotation { get; set; }
public string phoneticSpelling { get; set; }
}
public class LexicalEntry
{
public List<Entry> entries { get; set; }
public string language { get; set; }
public string lexicalCategory { get; set; }
public List<Pronunciation> pronunciations { get; set; }
public string text { get; set; }
}
public class Result
{
public string id { get; set; }
public string language { get; set; }
public List<LexicalEntry> lexicalEntries { get; set; }
public string type { get; set; }
public string word { get; set; }
}
public class RootObject
{
public Metadata metadata { get; set; }
public List<Result> results { get; set; }
}I get full data with that.
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
|
|
|
|
|
Success !!! - thanks very much - what a mess Json is when you start dealing with arrays - the code is truly horrible just to get a single value, if it wasn't for JsonConvert.DeserializeObject and the cool class generator I wouldn't bother with it - thanks once again - do I need to flag this a success ? I've never used this forum before only the Q&A <groan> where you accept the answer
A welshman tolerating England
We can’t stop here, this is bat country - Hunter S Thompson RIP
modified 16-Nov-18 5:30am.
|
|
|
|
|
You're welcome!
I quite like JSON - provided you are working with the same classes in the source and destination it works pretty seamlessly. I prefer it to XML which is pretty nasty to parse manually when it doesn't work... 
No, there is no "accept" in the forums, they are just like the Lounge!
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
|
|
|
|
|
Yes I can see why it's popular but "Provided your using the same" is a big if 
We can’t stop here, this is bat country - Hunter S Thompson RIP
|
|
|
|
|
Just remembered a not so well known trick in VS, if you create an empty file and paste special from the Edit menu ( with json or xml in the clipboard ), you have the option of pasting json or xml which creates classes for you ( like your online site does ) very useful - just sayin
We can’t stop here, this is bat country - Hunter S Thompson RIP
modified 16-Nov-18 10:11am.
|
|
|
|
|
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.OleDb;
namespace Login
{
public partial class Registration : Form
{
private OleDbConnection connection = new OleDbConnection();
public Registration()
{
InitializeComponent();
connection.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=F:\VB projects\Project\DataBase\OnlineRetailDataBase.accdb;
Persist Security Info=False;";
}
private void btn_Submit_Click(object sender, EventArgs e)
{
try
{
connection.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = connection;
command.CommandText = "INSERT into OnlineRetailDataBase (FirstName, SurName, DateOfBirth, Gender, BankName, BankAccountNumber, Email, Password) VALUES ('" + txt_Fname.Text + "','" + txt_Surname.Text + "','" + txt_dob.Text + "','" + txt_Gender.Text + "','" + txt_Bname.Text + "','" + txt_ban.Text + "','" + txt_Email.Text + "','" + txt_Password.Text + "',)";
command.ExecuteNonQuery();
MessageBox.Show("You Now Registered, Please Login");
}
catch (Exception ex)
{
MessageBox.Show("Error" + ex);
connection.Close();
}
}
private void txt_Fname_TextChanged(object sender, EventArgs e)
{
}
}
}
|
|
|
|
|
Don't do it like that! Never concatenate strings to build a SQL command. It leaves you wide open to accidental or deliberate SQL Injection attack which can destroy your entire database. Always use Parameterized queries instead.
When you concatenate strings, you cause problems because SQL receives commands like:
SELECT * FROM MyTable WHERE StreetAddress = 'Baker's Wood' The quote the user added terminates the string as far as SQL is concerned and you get problems. But it could be worse. If I come along and type this instead: "x';DROP TABLE MyTable;--" Then SQL receives a very different command:
SELECT * FROM MyTable WHERE StreetAddress = 'x';DROP TABLE MyTable; Which SQL sees as three separate commands:
SELECT * FROM MyTable WHERE StreetAddress = 'x'; A perfectly valid SELECT
DROP TABLE MyTable; A perfectly valid "delete the table" command
And everything else is a comment.
So it does: selects any matching rows, deletes the table from the DB, and ignores anything else.
So ALWAYS use parameterized queries! Or be prepared to restore your DB from backup frequently. You do take backups regularly, don't you?
Fix that throughout your app, and the chances are your problem will disappear at the same time.
And while you are here ... there is another bigger change you need to make: Never store passwords in clear text - it is a major security risk. There is some information on how to do it here: Password Storage: How to do it.[^]
And a smaller one: don't store dates in string based columns - valide your DOB by using TryParse to convert it to a DateTime value, and pass that as a parameter to your DB. In the DB, use a DATETIME, DATETIME2, or DATE column to store it, not a VARCHAR or NVARCHAR. And do that now, before you have a backlog of bad dates to deal with because they will cause you enormous problems in the future if you don't.
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
|
|
|
|
|
//OleDb Connection String.
private int EditID = 0;
private static string Connection = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Application.StartupPath + @"\PostalDBS.accdb";
if (EditID == 0)
{
OleDbConnection con = new OleDbConnection(Connection);
OleDbCommand com = new OleDbCommand("Insert Into ["+cbobxco1f1.Text.ToString()+"] (ID,name,lastname,coname,handinto,handindate,handoverto,unit,parcelrecieve,Description) Values (@ID, @name,@lastname,@coname,@handinto,@handindate,@handoverto,@unit,@parcelrecieve,@Description)", con);
com.Parameters.AddWithValue("@ID", txtrwno1f1.Text);
com.Parameters.AddWithValue("@name", txtname1f1.Text);
com.Parameters.AddWithValue("@lastname", txtfam1f1.Text);
com.Parameters.AddWithValue("@coname", txtco1f1.Text);
com.Parameters.AddWithValue("@handinto", txthndin1f1.Text);
com.Parameters.AddWithValue("@handindate", txthndodate1f1.Text);
com.Parameters.AddWithValue("@handoverto", hndover1f1.Text);
com.Parameters.AddWithValue("@unit", txtunit1f1.Text);
com.Parameters.AddWithValue("@parcelrecieve", chbxparcel1f1.Checked);
com.Parameters.AddWithValue("@Description", txtdescrip1f1.Text);
con.Open();
com.ExecuteNonQuery();
con.Close();
}
//Note: Make sure that you have installed database engine provider based on your OS(*64 or *86)
//This work perfect for me with office v2010.
modified 16-Nov-18 12:03pm.
|
|
|
|
|
In my application I manage multiple resources, i.e. potentially large binary files (i.e. images).
I want each image to be added only once. But I try to make this comparison quick instead of comparing each bytes of the new image/resource to each bytes of existing resources.
The trick I came up with is to compute a unique ID for each resource using MD5. Which nicely return a unique 16 bytes array, which nicely convert into a Guid, which I can then nicely store into a Dictionary<Guid, Resource>
Now it was brought to my attention that MDA5 is "insecure" and I should use SHA256 instead.
The problem I have with that (hence my question) is that SHA256 is more annoying to use, my data should be a multiple of 16 bytes long. Also it return a 32 byte array which cannot easily be turned into Guid.
So here is my conundrum. All I want is a unique ID for resource. This is not a security risk, just a quicker way to avoid resource duplication inside the document.
Do I really need to use SHA256? i.e. is it likely the "insecure nature" of MD5 will accidentally collide hash keys of random resources / images?
|
|
|
|
|
So, MD5 is insecure. Who cares? You're not "securing" anything with it. You're just generating a relatively unique ID for an image.
ANY hash can generate collisions. After all, it's impossible to represent every possible stream of bytes (which is theoretically infinite) in a finite number of bits. The shorter the resulting hash value, the higher the chance of a collision. The hash value of MD5 is short compared to most hashing algorithms, so it's going to have a higher chance to generate a collision.
If you want to calculate the chance yourself, see Hash Collision Probabilities[^]. It comes down to the number of images you're going to be handling.
modified 14-Nov-18 22:51pm.
|
|
|
|
|
Nice link! 
I guess if I am really chicken can compare the byte array if the hash is identical...
But yeah, I will go with who cares! thanks for motivation!
|
|
|
|
|
MD5 is officially "broken" - which means that it is possible under some circumstances to regenerate the original input from the MD5 hash. That's bad, if you are storing passwords.
But ... you aren't. You are using this for a "quick comparison" function where you really can't regenerate the original document from the hash value (because the document size is too big) and it wouldn't matter if you could!
Go for it - use MD5 by all means, and comment your decision so that the idiot who comes after you can't bad mouth you for "security reasons". He'll find other reasons anyway: Obligatory Dilbert[^]
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
|
|
|
|
|
very clearly articulated rationale!
thanks!
|
|
|
|
|
You're welcome!
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
|
|
|
|
|
I have a program that uses the WebBrowser to scrape a website. As each page is scraped for data, I call event handlers to write the data. I need to store the AccountId for unique pricing in the database.
I really don't want to modify the eventHandlers called "WebBrowserDocumentCompletedEventArgs" because I'm adding and removing them so often. I tried a global class but the event handler is not picking it up.
I'm looking for a durable way to store this single string, it's a MongoDB Id.
I suppose I could store it in the registry? or is that a bad idea.
Store it in a Mongo document? Does sound better.
I don't need the Id till I do the final batch write.
If it ain't broke don't fix it
Discover my world at jkirkerx.com
|
|
|
|
|
Registry? Bad idea. Don't store anything in the registry. It's restricted access now, because people stored everything in the registry so it became a bloated mess. It's likely to become more restricted in the future, not less.
Store it anywhere else: settings file, DB, Excel file, Inca Quipu/Khipu Knotted ropes.
Anywhere but the registry.
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
|
|
|
|
|
I'll have to create a new method of storing stuff then. Right now I store the screen size, screen location in the registry. But your right, find another place.
If it ain't broke don't fix it
Discover my world at jkirkerx.com
|
|
|
|
|
I think it depends on what the final batch is going to look like.
If you're associating data, how you persist it depends greatly on what you ultimately want to do with it. If you're potentially associating a piece of data with multiple other pieces of data, or if you're going to need complex querying, a database is most likely the right fit.
If you're building a fairly flat data association, a file is just fine, and the question shifts to how you intend that data be consumed.
Are you providing it through RSS? Use XML serialization. Through a web service? Use JSON serialization. Human readable? Wrtielines to a txt. Making a pretty report for management? Put yourself through the living hell that is iTextSharp and generate PDFs.
"Never attribute to malice that which can be explained by stupidity."
- Hanlon's Razor
|
|
|
|
|
It's just unique pricing from a channel distributor for that chosen customer account.
Manufacture > Products > Pricing
string Id
string AccountId
decimal MSRP
decimal Price
If it ain't broke don't fix it
Discover my world at jkirkerx.com
|
|
|
|
|
jkirkerx wrote: I really don't want to modify the eventHandlers called "WebBrowserDocumentCompletedEventArgs" because I'm adding and removing them so often.
I think if we know why you are adding/removing frequently, that will, perhaps, lead to more insight into the issue.
«Where is the Life we have lost in living? Where is the wisdom we have lost in knowledge? Where is the knowledge we have lost in information?» T. S. Elliot
|
|
|
|
|
I'm using the Web Browser control. Each Time I change the URL, I add an event handler called Document Complete. When it fires I unload the handler and scrape the page data. Then I go to the next page and reload the event handler.
Some pages are more complex, so I call the Url, load the event handler Document Complete, then unload the handler and go through all the links on the parent page, and call those Urls while calling a child version of Document Complete. Other pages have a Json file that I can just download and scrape the data so I call a JSON version of Document Complete.
So depending on what I detect on the page, I call the appropriate version of Document Complete.
The reason why I need to store the AccountId is for when I write the pricing, that is unique for each account.
Sounds silly, why can't I just go straight to the cloud database for this. Because I can grab everything, the product, it's images, associated videos and pdf's, and group them together into the database. Then I can generate emails that showcase the product with all the needed resources to promote it. Or create Excel spreadsheets with the image, pricing matrix and delivery dates.
If it ain't broke don't fix it
Discover my world at jkirkerx.com
|
|
|
|
|
|
I'll try it since you wrote it!
wow 10 years old now. That was the shameless plug for your project.
If it ain't broke don't fix it
Discover my world at jkirkerx.com
|
|
|
|
|
Hi,
for example i have to different charts (A and B). all charts have the same tracks (but their value may be different and only one value of them is unique but not equal). Imagine two drilled hole beside each other one has a more attitude than the other. I have divided of each thickness of holes to :1A,1B-2A,2B and so on. now i want to relate (bound) these same sections of two different charts together with drawing lines that pass through two charts. can anybody coach me?
thank you in advance
modified 14-Nov-18 18:16pm.
|
|
|
|
|
Is it possible to detect if an app us running on our network? or VPN'd in? If so, how?
Thanks
If it's not broken, fix it until it is.
Everything makes sense in someone's mind.
Ya can't fix stupid.
|
|
|
|
|
General 
News 
Suggestion 
Question 
Bug 
Answer 
Joke 
Praise 
Rant 
Admin 
Submit an article or tip
