auctionhouse | Backend os a simple auction room
kandi X-RAY | auctionhouse Summary
kandi X-RAY | auctionhouse Summary
Backend os a simple auction room
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QUESTION
I get this error:
...ANSWER
Answered 2020-Jul-02 at 00:54The code botcommandsmoney.get('auction').run(...) throws the error Cannot read property 'run' of undefined which indicates that botcommandsmoney.get('auction') returns undefined. I would therefore assume that no auction bot command was defined.
We can see that you are loading all the files in ./cmds/money and setting their export as command in botcommandsmoney using the line botcommandsmoney.set(command.name, command). It would appear that the piece of information that defines how the command is called inside botcommandsmoney is coming from command.name, i.e. the property name inside the file.
Looking at your auction.js file though, we can see that the property name has value help instead of auction! So, botcommandsmoney.get('help') and not botcommandsmoney.get('auction') would return your command... I assume that this is a copy-paste error, you probably copied the file from another command and forgot to update the name inside of it even though you renamed the file itself.
Therefore, the fix is to change name: 'help' to name: 'auction' in auction.js.
QUESTION
I am trying to show a data into a table but got some error there. The method I have used returns me all the related data but when I try to bind data into table it shows me error and error says:
The requested operation is not supported on forward only result sets.
This is how I implemented my code:
...ANSWER
Answered 2018-May-12 at 18:05This:
QUESTION
I use Scrapy to scrape items of a website. There are bunch of informations including image urls. Can you help me figuring out how to extract images from these urls (data["image_urls"]).
I understand that I have to extend the media pipeline because Scrapy doesn't manage nested urls but I'm lost in the process.
...ANSWER
Answered 2019-Jul-19 at 20:37You can overwrite the get_media_requests method of the ImagesPipeline for this:
QUESTION
I'm setting a scraper with Scrapy that works well on my laptop. But this message appers when I try this same spider on scrapy cloud:
...ANSWER
Answered 2019-Apr-07 at 14:53QUESTION
I use Scrapy and try to output a json file. It works great when I'm not using item but I'd like to use them.
So my spider code is:
...ANSWER
Answered 2019-Mar-18 at 14:42Try to collect your items first, and then yield your result only once:
QUESTION
I'm using Scrapy to scrape datas from 9000+ urls contained in a JSON with a matching ID. Here is my JSON object type:
...ANSWER
Answered 2019-Mar-12 at 14:29You should never declare a class inside a forloop.
I suggest you the following structure:
QUESTION
I just started using Scrapy for webscraping a website.I have more than 9000 urls to scrape.
I already tried and it worked, except that I'd like to output results in json files according to the url (if I scraped ten items from url1, I'd like these items in a json object with the url1, same for url2 etc.)
...ANSWER
Answered 2019-Mar-02 at 07:00Simply using response.url wouldn't do the job?
QUESTION
When I try to create a Business (ScrapMerchant, Regulator, Manufacturer, Company & AuctionHouse) Participant I get the following error.
Error: No concrete extending type for composer.business.Manager
In any real case scenario, a business is always managed by an Employee of that business. How can I achieve this in Hyperledger Composer.
Ex: How can I add John as an admin of a Regulator or a Manufacturer, who can invoke transaction on behalf of a Regulator/Manufacturer ?
...ANSWER
Answered 2018-May-16 at 12:39The answer is to review https://hyperledger.github.io/composer/latest/managing/participantsandidentities for a clearer understanding of using participants and identities in a Composer business network, deployed to a Fabric blockchain network.
QUESTION
I am trying to save a image file in a resource folder in netbeans but i am having problem to find the path of resource folder.
My code below:
...ANSWER
Answered 2018-May-12 at 11:19private void jbtnSubmitActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String itemname = jtxtItemName.getText();
String category = jcboCategory.getSelectedItem().toString();
String description = jtxtAreaDescription.getText();
String reservedPrice = jtxtReservedPrice.getText();
String image =filename;
if (itemname.isEmpty() || category.isEmpty() || description.isEmpty() || reservedPrice.isEmpty() || image.isEmpty()) {
JOptionPane.showMessageDialog(null, "All fields are required.");
} else {
Item item = new Item(category, description, reservedPrice, itemname, image);
try {
int i = itemdao.createItem(item);
if(i> 0 ){
File sourceFile = new File(path);
File destinationFile = new File("resources/Image/"+ filename);
BufferedReader reader;
PrintWriter writer;
try {
reader = new BufferedReader(new FileReader(sourceFile));
writer = new PrintWriter(new FileWriter(destinationFile));
reader.close();
writer.close();
} catch (Exception e) {
JOptionPane.showMessageDialog(null, "Failed to save Image");
}
//Paths.get(resource.toURI()).toFile();
JOptionPane.showMessageDialog(null, "Successfully saved item");
}
} catch (SQLException ex) {
JOptionPane.showMessageDialog(null, ex.getMessage());
}
}
}
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