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• Can't control connection bit rate using iwconfig with Atheros TL-WN821N (AR7010)

  - by Paul H

  I'm trying to reduce the connection bit rate on my Atheros TP-Link TL-WN821N v3 usb wifi adapter due to frequent instability issues (reported connection speed goes down to 1Mb/s and I have to physically reconnect the adapter to regain a connection). I know this is a common problem with this device, and I have tried everything I can think of to fix it, including using drivers from linux-backports; compiling and installing a custom firmware (following instructions on https://wiki.debian.org/ath9k_htc#fw-free) and (as a last resort) using ndiswrapper. When using ndiswrapper, the wifi adapter is stable and operates in g mode at 54Mb/s (whilst when using the default ath9k_htc module, the adapter connects in n mode and the bit rate fluctuates constantly). Unfortunately, with this setup I have to run my processor using only one core, since using SMP with ndiswrapper causes a kernel oops on my system. So I want to lock my bit rate to 54Mb/s (or less, if need be) for connection stability, using the ath9k_htc module. I've tried 'sudo iwconfig wlan0 rate 54M'; the command runs with no error but when I check the bit rate with 'sudo iwlist wlan0 bitrate' the command returns: wlan0 unknown bit-rate information. Current Bit Rate:78 Mb/s Any ideas? Here's some info (hopefully relevant) on my setup: Xubuntu (12.04.3) 64bit (kernel 3.2.0-55.85-generic) using Network Manager. My Router is from Virgin Media, the VMDG480. lshw -C network : *-network description: Wireless interface physical id: 1 bus info: usb@1:4 logical name: wlan0 serial: 74:ea:3a:8f:16:b6 capabilities: ethernet physical wireless configuration: broadcast=yes driver=ath9k_htc driverversion=3.2.0-55 firmware=1.3 ip=192.168.0.9 link=yes multicast=yes wireless=IEEE 802.11bgn lsusb -v: Bus 001 Device 003: ID 0cf3:7015 Atheros Communications, Inc. TP-Link TL-WN821N v3 802.11n [Atheros AR7010+AR9287] Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 255 Vendor Specific Class bDeviceSubClass 255 Vendor Specific Subclass bDeviceProtocol 255 Vendor Specific Protocol bMaxPacketSize0 64 idVendor 0x0cf3 Atheros Communications, Inc. idProduct 0x7015 TP-Link TL-WN821N v3 802.11n [Atheros AR7010+AR9287] bcdDevice 2.02 iManufacturer 16 ATHEROS iProduct 32 UB95 iSerial 48 12345 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 60 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 6 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 255 Vendor Specific Class bDeviceSubClass 255 Vendor Specific Subclass bDeviceProtocol 255 Vendor Specific Protocol bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0000 (Bus Powered) iwlist wlan0 scanning: wlan0 Scan completed : Cell 01 - Address: C4:3D:C7:3A:1F:5D Channel:1 Frequency:2.412 GHz (Channel 1) Quality=37/70 Signal level=-73 dBm Encryption key:on ESSID:"my essid" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s 24 Mb/s; 36 Mb/s; 54 Mb/s Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s Mode:Master Extra:tsf=00000070cca77186 Extra: Last beacon: 5588ms ago IE: Unknown: 0007756E69636F726E IE: Unknown: 010882848B962430486C IE: Unknown: 030101 IE: Unknown: 2A0100 IE: Unknown: 2F0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: 32040C121860 IE: Unknown: 2D1AFC181BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D1601080400000000000000000000000000000000000000 IE: Unknown: DD7E0050F204104A0001101044000102103B00010310470010F99C335D7BAC57FB00137DFA79600220102100074E657467656172102300074E6574676561721024000631323334353610420007303030303030311054000800060050F20400011011000743473331303144100800022008103C0001011049000600372A000120 IE: Unknown: DD090010180203F02C0000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 iwconfig: lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"my essid" Mode:Managed Frequency:2.412 GHz Access Point: C4:3D:C7:3A:1F:5D Bit Rate=78 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=36/70 Signal level=-74 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0,

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• SEO - Hidden content before main site content

  - by 0pt1m1z3

  I have a two hidden divs before my main site content, one with the login form and another with the signup form. I then have login and signup buttons within the page that use JQuery to show or hide these divs. I like the effect this setup offers, dropping down from the top of the page and pushing the rest of the content down. However, recently I have been getting serious about SEO and I am wondering if these divs have been affecting my SERP rankings. Basically, every non-logged page (everything bots see) has the same two display:none; divs at the top of the document flow. Is it bad? Should I re-engineer these forms and the way they are displayed?

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• sudo command and how to auto get password

  - by user108988

  I got a problem that: I have a file .sh #!/bin/bash var=$(zenity --forms --title="T?t gi? v? yêu nhé" \ --text="V? mu?n t?t máy sau bao nhiêu phút n?a" \ --separator="," \ --add-entry="V? di?n s? vào dây") case $? in 0) sudo shutdown -h $var ;; 1) exit 0;; -1) echo "An unexpected error has occurred." ;; esac How can sudo command autofill the password from echo command or a file. I read about sudo -S options, but i dont know how it works. Anyone can give an example about it! Thanks guys

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• What is the best strategy for licensing a desktop application using a web service, when all I need to know is when people use the product?

  - by user1667022

  Our company's main application is a desktop program that is used at warehouses and written in C# and Windows Presentation Forms. The next thing we want to be able to do is track when customers open up the application and when it is being used. The reason for this is so we can charge them per month, based on if they are/arn't using the application. My boss is having me research different ways to "license" the product under these requirements. Not having any experience doing this, a few things come to mind. I could create a web application that runs on a server, and every time the desktop application is opened and the user logs in, the application connects to the server and marks a database with the DateTime. Or is there licensing software that I can use to accomplish this? Just looking for tips/advice from people who have experience with this type of stuff.

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• Netbeans styles. Are there style profiles similar to Notepad++?

  - by Djeman

  Not long ago I started to use Ubuntu. When I was on Windows I used Notepad++. I was very surprised when I found that Notepad++ is only for Windows. So I installed Netbeans. Netbeans is a powerful IDE and in general I like it, except default styles. Maybe are there style profiles (i.e. plugins or other forms)? It would be good if there is a style profile completely identical to Notepad++. I will be very thankful if you would help me to find what I'm looking for.

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• reading parameters and files on browser, looking how to execute on server

  - by jbcolmenares

  I have a site done in Rails, which uses javascript to load files and generate forms for the user to input certain information. Those files and parameters are then to be used in a fortran code on the server. When the UI was on the server (using Qt), I would create a parameters file and execute the fortran code using threads so I wouldn't block the computer. Now that is web-based, I need to make the server and browser talk. What's the procedure for that? where should I start looking? I'm already using rails + javascript. I need that extra tool to do the talking, and no idea where to start.

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• New and Improved Patch for FRM-40654 Errors in Purchase Orders and Requisitions

  - by user793044

  Development has modified the code in purchase orders and requisition forms to prevent error FRM-40654 when there are trailing spaces in the tables for most of the fields.  After applying the patch, the form will still display the error but a requery will allow you to save the transaction. For the scenarios not covered in the fix, the FND log will now display the specific field that causes the error.  This an example of the FND log for one document where the note_to_vendor has trailing spaces: Form note_to_vendor oldvalue Database  note_to_vendor newvalue Failed first if statement when comparing fields FRM-40654: Record has been updated. Requery block to see change. This new patch includes the fix in Patch 14204845:"In Oracle Purchasing, leading or trailing spaces in po lines data was resulting in errors".  For more information on FRM-40654 errors see the patching section of Note 1203796.1. Be proactive and apply Patch 14479586:R12.PO.B for 12.1.3 or Patch 14569747 for 11.5.10 now!

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• Ask The Readers: How Do You Find Your Next Game?

  - by Jason Fitzpatrick

  Once upon a time the only place for new video game information was down at the arcade. These days there’s a news source and niche for everyone and every kind of game; where and how do you find your next video game conquest? Word of mouth? App recommendations? Critical reviews? This week we’re interested in lining ourselves up for a little summer fun: tell us all about your tips, tricks, and techniques for finding the real gems in the pile of games that comes out every year. Sound off in the comments and then check back in on Friday for the What You Said roundup. HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux

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• Is a function plotter a legitimate use of eval() in JavaScript?

  - by moose

  From PHP development I know that eval is evil and I've recently read What constitutes “Proper use” of the javascript Eval feature? and Don't be eval. The only proper use of eval I've read is Ajax. I'm currently developing a visualization tool that lets users see how polynomials can interpolate functions: Example Code on GitHub I use eval for evaluation of arbitrary functions. Is this a legitimate use of eval? How could I get rid of eval? I want the user to be able to execute any function of the following forms: a x^i with a,i in R sin, cos, tan b^x with b in R any combination that you can get by adding (e.g. x^2 + x^3 + sin(x)), multiplying (e.g. sin(x)*x^2) or inserting (e.g. sin(x^2))

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• Meet and Greet with IDM Executives at Oracle OpenWorld

  - by Tanu Sood

  Oracle’s Identity Management Team Invites You to Learn How to Secure The New Digital Experience Come see how the Oracle Identity Management platform can position your company to take advantage of the emerging business opportunities. Leverage Social Identities for web authentication Enable customers and employees to interact through their mobile devices Deploy Self Service User Provisioning for quick role changes based on business needs We look forward to seeing you there! Wednesday, October 3rd  3:30-4:30 PM  Meeting 4:30-5:30 PM  Cocktail Reception Four Seasons Hotel Yerba Buena Room 757 Market Street San Francisco, CA 94103 415.633.3000 http://www.fourseasons.com/sanfrancisco/   RSVP Now Copyright © 2012, Oracle and/or its affiliates.  All rights reserved. Contact Us | Legal Notices and Terms of Use | Privacy Statement

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• Custom Request Templates

  - by Seth P.

  What kind of information do you require from the project management team before you can proceed on a project? Is there a certain format they utilize on Programming Requests which helps you to understand exactly how the development team can succeed with this project. Example: I always like it when project managers mock up forms. It helps significantly to know how they are visualizing the UI for many tasks. Any suggestions on how we can assist the Project Management team in issuing Programming Requests that are as clear as day will be greatly appreciated. Thanks.

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• Oracle Event: Database Enterprise User Security

  - by user12603048

  One of the high-value benefits of an integrated Identity and Access Management platform is the ability to leverage a unified corporate directory as the primary authentication source for database access. On July 11, 2012 at 08:00 am PDT, Oracle will host a webcast showing how Enterprise User Security (EUS) can be used to externalize and centrally manage database users in a directory server. The webcast will briefly introduce EUS, followed by a detailed discussion about the various directory options that are supported, including integration with Microsoft Active Directory. We'll conclude how to avoid common pitfalls deploying EUS with directory services. Discussion topics will include Understanding EUS basics Understanding EUS and directory integration options Avoiding common EUS deployment mistakes Make sure to register and mark this date on your calendar! - Click here to register.

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• Access Token Verification

  - by DecafCoder

  I have spent quite a few days reading up on Oauth and token based security measures for REST API's and I am currently looking at implementing an Oauth based authentication approach almost exactly like the one described in this post (OAuth alternative for a 2 party system). From what I understand, the token is to be verified upon each request to the resource server. This means the resource server would need to retrieve the token from a datastore to verify the clients token. Given this would have to happen upon every request I am concerned about the speed implications of hitting a datastore like MySQL or NoSQL upon every request just to verify the token. Is this the standard way to verify tokens by having them stored in a RDBMS or NoSQL database and retrieved upon each request? Or is it a suitable solution to have them cached (baring in mind that we are talking millions of users)?

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• Is there an opposite for the term "Backporting"?

  - by Avian00

  As I understand, the term "Backporting" is used to describe a fix which is applied in a future version which is also ported to a previous version. Wikipedia definition is as follows: Backporting is the action of taking a certain software modification (patch) and applying it to an older version of the software than it was initially created for. It forms part of the maintenance step in a software development process... For example: A problem is discovered and fixed in V2.0. The same fix is ported and applied to V1.5. What is the term when this is done in the opposite direction? The problem is discovered and fixed in V1.5. The same fix is ported and applied to V2.0. Would the term "Backporting" still apply? Or is there a term such as "Forwardporting" (which amusingly sounds a lot like "Port Forwarding")?

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• Is there an (open-source) ReST-based blogging/forum package out there?

  - by Malvolio

  The site I work on is almost entirely in Javascript, it just goes back (via Ajax) to the server for authentication, database access, things like that. My boss would like me to add blogging, forum, and commenting capabilities. I don't want to implement it from scratch and I certainly don't want to integrate some HTML-generating PHP atrocity. Ideal, I'm looking for a package that does all the backend work and offers ReST interface so I can write a Javascript-based UI that integrates nicely with the existing site. Does such a thing exist?

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• Apps Script Office Hours - November 9, 2012

  Apps Script Office Hours - November 9, 2012 In this episode Ikai and Eric ... - Plugged the upcoming hackathon in Los Angeles. - Covered the release notes from the past week, which included some great enchancements to the Gmail and Drive services. - Discussed the new Google Cloud SQL integration in Apps Script. - Hyped the upcoming special episode with the creator of the "Google Analytics Report Automation (Magic)" script. - Answered questions about integrating Apps Script with Google Docs and Forms. The schedule of future episodes can be found at: developers.google.com From: GoogleDevelopers Views: 61 2 ratings Time: 31:24 More in Science & Technology

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• Enjoy a Dazzling Desktop with the Brazil Theme for Windows 7

  - by Asian Angel

  Do you love a combination of nature and night-time city photography for your desktop? Then you will definitely want to download a copy of the Brazil Theme for Windows 7. The theme comes with six images featuring the colorful and unique beauty of Brazil. Download the Brazil Theme for Windows 7 [Windows 7 Personalization Gallery] How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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• App Engine: Easier auth with OAuth2Decorator

  App Engine: Easier auth with OAuth2Decorator Here on the App Engine team, we're always trying to make it easier to call Google APIs from within your application. Using the library google-api-python-client, API calls can be a breeze, but performing authentication and authorization can sometimes (often?) take 50% of development time! We'll show how to get up and running with OAuth2Decorator to make auth as easy as the rest of the library. From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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• Would it be practical/secure to import my GPG keys into (Open)SSH?

  - by InkBlend

  I know a bit about computer security, and well as about the concept of public and private keys. I also know that both GPG and (Open)SSH use the public/private key system. My question is, is there any reason that I would not want to use my GPG keys as authentication for SSH? Please note that, while a have a little bit more experience with Linux, GPG, and SSH than the average computer user, I am by no means an expert. Please be patient and point out any mistakes that you might see.

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• Friday Fun: Draw a Line

  - by Asian Angel

  In this week’s game your thinking skills will be put to the test as you work to draw lines and direct the movement of orbs on the game screen. Can you draw the proper configuration so that all the orbs move where they are supposed to or will you watch helplessly as your carefully crafted plans fail? How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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• Cannot load a webpage with hp pavilion dv2000 laptop

  - by Andre'

  I am using an Ubuntu 12.04 cd to test out the os before I take the plunge, and I can't get webpages to load in the firefox application. When I look at the wireless settings, ubuntu says that my computer is connected to my home wireless network, but I am repeatedly prompted to enter my password (it keeps telling me that authentication is required by my wireless network). After a few rounds of this, Ubuntu seems to give up and tells me that wireless network is disconnected. Furthermore (I'm currently in ubuntu using a wired connection if it has anything to do with this), the wireless connection will randomly attempt to establish itself. I've entered rfkill list and all of the wireless devices therein say "no" - they're not blocked. I can connect to the network in Windows 7, so I don't think my network is the problem. Any suggestions?

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• Announcing an Upgrading How-To Technical Paper for WebLogic 11g

  - by Oracle Retail Documentation Team

  Oracle Retail has published a document on My Oracle Support (https://support.oracle.com) that provides you with guidance on how to upgrade from WebLogic11g 10.3.3 to WebLogic11g 10.3.4. The goal of this document is not to be a substitute for WebLogic documentation but to illustrate how Oracle Retail approached and performed its upgrade.   Doc ID: 1432575.1This document provides information about how to upgrade to WebLogic 10.3.4 and how to complete related component upgrades as well. Upgrading from WebLogic 10.3.3 to WebLogic 10.3.4 (rather than performing a separate WLS 10.3.4 installation) is recommended so that you do not have to port information and custom settings from your 10.3.3 installation. The paper addresses the following topics: High Level Steps for Applying WLS 10.3.4 Patch and 1.1.1.4.0 Patch Set JRockit Upgrade (optional for Linux and Sun OS only) WLS 10.3.4 Upgrade using Upgrade Installer SOA 11.1.1.4 Upgrade Forms 11.1.1.4 Upgrade Update DB Patch Assistant Post Patch Instructions Validation

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• Software Center won't take into account my changed OpenID name: any idea?

  - by Pascal Av

  Failing to install IntelliJ from the Software Center, I realized my login is wrong in the /etc/apt/auth.conf entry that the install process generates. In this file, I see my original OpenID, that's the one which got automatically generated when signing up on Launchpad. It contains my last name so I changed it. I purged conf and binaries for Ubuntu One, reinstalled, deleted all listed "Devices" from app, all "Applications" from Launchpad. Deleted ~/.cache/software-center/, reboot, but still: When installing IntelliJ, the auth.conf file receives my original OpenID, not the modified one Problem is that the commercial subscription, for IntelliJ private PPA, uses my modified OpenID, so authentication attempt fails. I can't remove nor modify this subscription, even by changing back my OpenID into Launchpad. Any idea to solve this?

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• Desktop GUI Client - Remote RDBMS communication

  - by magom001

  Sorry if I am asking a trivial question but I have been searching for a while without any luck. I need to design a system and I am looking for advice on the technology that should be used. The layout is very simple: it is a sales application with a centralized database and multiple clients. Each salesperson has GUI app installed on his/her laptop that should be able to connect to the database to retrieve data and upload data (i.e. register new orders). My question is the following: how should the communication between the client and the server be implemented? I doubt that connecting directly to the RDBMS is a good idea... Should I use web-services? XML-RPC? How to implement authentication and encode the data? Thanks for your advice!

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• Visual Basic 2010 Listbox Error [migrated]

  - by stargaze07

  what is the meaning of this error? sorry it's my first time to use Visual basic 2010, I'm not familiar with this kind of error, I use this for selecting all the files in the listbox and tried to move or copy to another listbox in other form. Error 1 'ToArray' is not a member of 'System.Windows.Forms.ListBox.ObjectCollection'. This is the code I use. Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If RadioButton1.Checked Then Dim itemsToMove = ListBox1.Items.ToArray() For Each item In itemsToMove Form2.lstP.Items.Add(item) ListBox1.Items.Remove(item) Next Form2.Show() End If End Sub Can someone help me with this?

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