Month: August 2022

[Solved] I wanna resist id in serial number

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UUID is not a number but you can generate a new UUID simple import uuid from django.db import models # Create your models here. def get_next(): return uuid.uuid4() class Users(models.Model): id = models.UUIDField(primary_key=True, default=get_next, editable=False) sex = models.CharField(max_length=100, null=True, default=None) age = models.CharField(max_length=100, null=True, default=None) By default Django will store Integer Primary keys. In order … Read more

[Solved] Python function,issue with input file [closed]

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The format of the input file depends on the extension that you use, a .txt file will be a Tab Separated Values (tsv) file while a .csv file will be a Comma Separated Values (csv) file (please note that this is not a general convention, it is something that was decided by that colleague of … Read more

[Solved] Get all data from facebook page to android aplication [closed]

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You can only use app_data to transfer data to your tab, and it will be in the signed_request parameter. See the Facebook docs for more information: https://developers.facebook.com/docs/appsonfacebook/pagetabs https://developers.facebook.com/docs/reference/login/signed-request 0 solved Get all data from facebook page to android aplication [closed]

[Solved] Object reference, c# [duplicate]

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you have to call db_connection() before your are able to use if (connect.State == ConnectionState.Open) otherwise connect is null and has no State property 1 solved Object reference, c# [duplicate]

[Solved] How can I find the Windows Edition name [duplicate]

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You can get the operating system name from the registry but you need to query WMI for the architecture and the service pack information: using System.Diagnostics; … private string GetOperatingSystemInfo() { RegistryKey operatingSystemKey = Registry.LocalMachine.OpenSubKey(@”SOFTWARE\Microsoft\Windows NT\CurrentVersion”); string operatingSystemName = operatingSystemKey.GetValue(“ProductName”).ToString(); ConnectionOptions options = new ConnectionOptions(); // query any machine on the network ManagementScope scope = … Read more

[Solved] Adding +1 to the end of a String

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Parse the value as a whole and then add the value you desire. new BigDecimal(/* your string */).add(BigDecimal.ONE) Or if I read your code correctly, you always want to add new BigDecimal(“0.001”). EDIT: if you really want to just change the last digit, use something like the following: public BigDecimal incrementLastDigit(String value) { BigDecimal decimal … Read more

[Solved] INSERT row from another table using php PDO

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Ok, so the issues you had/have were: $barCode = $GET[‘id’]); should have been $barCode = $GET[‘id’];, and possibly even $_GET[‘id’]; Your SELECT query selects the same field twice (SELECT Brand, Description, >Price<, Size, >Price<) You’re also inserting in the same field twice: INSERT INTO adstable (Brand, Description, >Price<, Size, >Price< You’re vulnerable to injection attacks, … Read more