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  • Update from Ola Hallengren: Target multiple devices during SQL Server backup

    - by Greg Low
    Ola has produced another update of his database management scripts. If you haven't taken a look at them, you should. At the very least, they'll give you good ideas about what to implement and how others have done so. The latest update allows targeting multiple devices during backup. This is available in native SQL Server backup and can be helpful with very large databases. Ola's scripts now support it as well.Details are here: http://ola.hallengren.com/sql-server-backup.html http://ola.hallengren.com/versions.html The following example shows it backing up to 4 files on 4 drives, one file on each drive:EXECUTE dbo.DatabaseBackup@Databases = 'USER_DATABASES',@Directory = 'C:\Backup, D:\Backup, E:\Backup, F:\Backup',@BackupType = 'FULL',@Compress = 'Y',@NumberOfFiles = 4And this example shows backing up to 16 files on 4 drives, 4 files on each drive: EXECUTE dbo.DatabaseBackup@Databases = 'USER_DATABASES',@Directory = 'C:\Backup, D:\Backup, E:\Backup, F:\Backup',@BackupType = 'FULL',@Compress = 'Y',@NumberOfFiles = 16Ola mentioned that you can now back up to up to 64 drives. 

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  • Google I/O 2010 - Scripting Google Apps for business

    Google I/O 2010 - Scripting Google Apps for business Google I/O 2010 - Scripting Google Apps for business process automation Enterprise 201 Evin Levey Learn how to use Google Apps for business process automation, and custom work-flow. We'll introduce the powerful scripting service along with several easy-to-use interfaces including Spreadsheets, Calendar, Sites and the Document List. We'll also demonstrate interoperability with third party web services and showcase exciting new developments in Google Apps Script. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 8 0 ratings Time: 53:16 More in Science & Technology

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  • How can I convert an image from raw data in Android without any munging?

    - by stephelton
    I have raw image data (may be png, jpg, ...) and I want it converted in Android without changing its pixel depth (bpp). In particular, when I load a grayscale (8 bpp) image that I want to use as alpha (glTexImage() with GL_ALPHA), it converts it to 16 bpp (presumably 5_6_5). While I do have a plan b (actually, I'm probably on plan 'e' by now, this is really becoming annoying) I would really like to discover an easy way to do this using what is readily available in the api. So far, I'm using BitmapFactory.decodeByteArray(). While I'm at it. I'm doing this from a native environment via jni (passing the buffer in from C, and a new buffer back to C from Java). Any portable solution in C/C++ would be preferable, but I don't want to introduce anything that might break in future versions of Android, etc.

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  • Get Real Multitasking on Android With These 8 Floating Apps

    - by Chris Hoffman
    Android has decent multitasking, but the missing piece of the puzzle is the ability to have multiple apps on-screen at the same time – particularly useful on a larger tablet. Floating apps fill this need. Floating apps function as always-on-top windows, allowing you to watch videos, browse the web, take notes, or do other things while using another app. They demonstrate how Android’s interface is more flexible than iOS and the Modern UI in Windows. Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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  • Intermittent Copy/Paste Problem in RDP

    - by Tara Kizer
    If you use RDP to remotely connect to your servers, you've probably encountered a clipboard issue where copy/paste stops working.  A quick Google search on the problem indicates you can easily fix the problem by logging out/logging back in or killing/restarting rdpclip.exe on the remote server.  Here's an article which covers this topic. But what do you do when copy/paste is intermittent?  It works one second, stops working for 5-30 seconds, and then on its own starts working again.  This is what’s occurring in our new non-production environment.  The DBA team is setting up 16 new physical servers and 5 new virtual machines.  I haven’t found a server where this ISN’T happening.  This intermittent copy/paste issue is driving me crazy!

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  • GDD-BR 2010 [0E] Google Geo: Exciting New Features and Tools

    GDD-BR 2010 [0E] Google Geo: Exciting New Features and Tools Speaker: Ossama Alami Track: Google APIs Time: E [14:40 - 15:25] Room: 0 Level: 151 Did you know we have an elevation web service? That you can completely restyle the look of the map tiles? How to use Fusion Tables to host and visualize geo data? A session covering new launches across Google's Geo products and some APIs you might not be aware of. Covering Web services, Earth API, New KML Extensions, Maps Styling, Fusion Tables. From: GoogleDevelopers Views: 0 0 ratings Time: 44:16 More in Science & Technology

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  • La nouvelle version de Hotmail arrive doucement mais surement, elle intègre les Office Web Apps : Gm

    Mise à jour du 16/06/10 La nouvelle version de Hotmail arrive Doucement mais surement, Gmail clairement visé Cette fois-ci, c'est officiel. La toute dernière version de Hotmail, la messagerie en-ligne de Microsoft, est arrivée. Ou plus exactement, est en train d'arriver. Les serveurs de Microsoft qui hébergent le service migrent en effet les uns après les autres. « Si vous ne voyez pas ces [nouvelles] fonctionnalités, merci pour votre patience, tout le monde aura accès à cette mise à jour d'ici cet été », écrit ainsi le responsable du projet sur son blog. Ces nouvelles fonctionnalités touchent prin...

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  • Drag Gestures - fractional delta values

    - by Den
    I have an issue with objects moving roughly twice as far as expected when dragging them. I am comparing my application to the standard TouchGestureSample sample from MSDN. For some reason in my application gesture samples have fractional positions and deltas. Both are using same Microsoft.Xna.Framework.Input.Touch.dll, v4.0.30319. I am running both apps using standard Windows Phone Emulator. I am setting my break point immediately after this line of code in a simple Update method: GestureSample gesture = TouchPanel.ReadGesture(); Typical values in my app: Delta = {X:-13.56522 Y:4.166667} Position = {X:184.6956 Y:417.7083} Typical values in sample app: Delta = {X:7 Y:16} Position = {X:497 Y:244} Have anyone seen this issue? Does anyone have any suggestions? Thank you.

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  • BI Publisher at OpenWorld 2012

    - by mdonohue
    For those going to OpenWorld, hope you can join us for any of the following Sessions, Hands On Labs or just stop by and visit us in the DEMOgrounds: Moscone South S-262 Oracle Business Intelligence Publisher Overview, What’s New, and What’s Planned Monday, 1-Oct 13:45 - 14:45Moscone South - 305Mike Donohue - Oraclewith Ed Farler - CSC Oracle Business Intelligence Publisher: Reporting for Oracle Applications Wednesday, 3-Oct 11:45 - 12:45Palace Hotel - RoseMike Donohue - OracleNote: new room to accommodate everyone who pre-registered Oracle Business Intelligence Publisher Best Practices: Be a Reporting Superstar Wednesday, 3-Oct 15:30 - 16:30Moscone South - 305Nikos Psomas & Klaus Fabian - Oracle Two sessions of the Hands on Lab:  Building Reports and Data Models in Oracle Business Intelligence Publisher Tuesday 2-Oct 17:00 - 18:00andThursday 4-Oct 11:15 - 12:15Marriott Marquis - Salon 5/6Nikos Psomas, Klaus Fabian & Kasturi Shekar -- Oracle You can also download the Focus on BI Publisher sheet that lists all Publisher related Sessions, Labs and DEMOground stations. Hope to see you there.

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  • Vertriebsthemen mit denen Sie sich spezialisieren können!

    - by [email protected]
    Oracle Datenbank 11g Release 2Im Anschluss an das Training besteht die Möglichkeit, den von diesem Training unabhängigen Spezialisierungs Assessment-Test, in Anwesenheit von Oracle Presales abzulegen. Das Bestehen des Assessment-Tests setzt Ihr Selbststudium und das Durchlaufen des jeweiligen Guided Learning Paths voraus.  Bitte bringen Sie für den Assessment-Test einen WLAN-fähigen Laptop mit, der mit einem handelsüblichen Virenscanner und einer Firewall ausgestattet sein muss. Wir empfehlen Ihnen, sich vorab mit dem Assessment vertraut zu machen.Termine: 9. Juni bei Oracle in Stuttgart mit Azlan 16. September bei Oracle in Frankfurt  9. November bei Oracle in Berlin mit Actebis-PeacockAnmeldung:Für weitere Informationen und die Registrierungsmöglichkeit klicken Sie bitte hier. 

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  • A Short History of the GIF [Video]

    - by Jason Fitzpatrick
    From the earliest blinking “Under Construction” signs on web sites to joke images still passed around, the humble little GIF has been with us a long time. Check out this video to learn more about it. Courtesy of LEGS Media, we’re treated to a cute claymation-style look at the birth, revision, and long life of the ubiquitous little GIF. [via Geeks Are Sexy] Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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  • Ubuntu Unable to format 16Gb Usb Disk

    - by akshay.is.gr8
    Whenever i try to format my 16 GB usb disk using gparted it does to formating and when it refreshes then show unknown. tried disk utility as well. disk utility was able to format it into FAT but files vanish web the disk is removed and attached again. edit: the disk format completes every time but when using gparted it immediately show Unknown type file system and disk utility show FAT but when the Disk is unplugged and then connected the files are not there. either way it is unusable.

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  • Content API for Shopping Technical Webinar - April 3, 2012

    Content API for Shopping Technical Webinar - April 3, 2012 This webinar is for those interested in getting up and running with the Google Content API for Shopping without worrying about constructing XML or figuring out how to make an HTTP request in your language of choice. We'll show you how to leverage open source client libraries written by Google engineers so you can focus on the important stuff: your product data. We cover four basic topics: -Review of Existing Resources -Basic Primer on Using the API -Best Practices -Using a Client Library to Manage Product Data Feel free to follow along on the slides: google-content-api-tools.appspot.com From: GoogleDevelopers Views: 1112 16 ratings Time: 46:55 More in Science & Technology

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  • Reverse proxying only a specific URL

    - by Bart Silverstrim
    I have a web server at www.ourcompany.com running Apache2. Using the proxy modules, I am able to (for example) get 172.16.0.5, an internal IP device, to be accessed on www.ourcompany.com/device. The trouble is that anyone can play with or explore the device using strings sent to www.ourcompany.com/device/change/settings/here.html. I'd like the reverse proxy to only work for a specific URL; www.ourcompany.com/device/you/must/use/this while anything else will be rejected if requested. Is there a setting that can be used to do this, or is it a simple rewrite condition placed in the virtualhost for the site under sites-enabled? What is the simplest, most maintainable way to sanitize requests to the internal device through the reverse proxy? Running Apache2 on Ubuntu.

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  • sound stopped working after upgrade to 11.10 on Tuesday 20th March

    - by Hugh Barney
    My sound card stopped working after a set of updates were installed 2 days ago. The sound card is detected, the volume is not muted and the speakers work, I can make the speakers hum if I touch the jack plug lead that normally plugs into the card. hugh@lindisfarne:~$ lspci -v | grep -A7 -i "audio" 07:01.0 Multimedia audio controller: Creative Labs CA0106 Soundblaster Subsystem: Creative Labs SB0570 [SB Audigy SE] Flags: bus master, medium devsel, latency 32, IRQ 16 I/O ports at c000 [size=32] Capabilities: Kernel driver in use: CA0106 Kernel modules: snd-ca0106 I've tried reverting those upgraded packages that look like the could impact the kernal - but to no avail. alsamixer does not have anything muted, I've been though all the sound card debug/troubleshooting pages I can find. Kernal driver is attached. So whats gone pop ? I will boot from CD to check - but I am pretty sure this is a sw and not a hw problem.

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  • "Développer pour l'iPhone, c'est servir un propriétaire terrien", déclare l'inventeur du XML : posit

    Mise à jour du 16/02/10 "Ceux qui créent des applications pour l'iPhone servent la volonté d'un propriétaire terrien" Déclare le créateur du XML : y-a-t-il une fronde des développeurs contre Apple ? Pour ne pas travailler pour Oracle, le co-inventeur du XML vient de quitter Sun pour rejoindre Google où il s'en prend à... Apple. Allez comprendre. "La vision [d'Apple] du futur de l'Internet mobile exclut la controverse, le sexe et la liberté, mais elle pose des limites strictes pour contrôler qui peut savoir quoi et qui peut dire quoi. C'est un jardin aseptisé à la Disneyland, entouré de murs eu...

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  • From Pocket to Instapaper

    - by Michael Freidgeim
    Some time ago I’ve described the issues that I’ve had since a new version of Read It Later, named Pocket, was introduced.I’ve waited with hope for a new upgrade, but I had a huge disappointment with the latest version 16 June 2012. It didn’t fixed any of the two major problems, that I  experienced since new Pocket was introduced-  1. iPad app still didn’t show many of the saved links. 2. ability to rename articles on iPad still wasn’t restored.I’ve posted the message into their forum. They did not show my comment on their forum( I would name it censorship, not moderation), but a few days ago I’ve received an email, recommending “try logging out of the app on your iPad, and back in again.” Their suggestion helped,  but I don’t understand, why it is not posted as a recommendation on their support site.So I decided to try InstAPaper on my iPad, Previously I’ve used it for Kindle. I never considered it before on iPad, because there were no free demo and I was very satisfied with RIL free and then RIL Pro. Currently InstAPaper cost $3, so the price is not an issue.I’ve checked that it has most of features that I am using(e.g. renaming, folders) and I am quite happy with it now. Actually I am using Pocket (or RIL free) for old bookmarks( I have 1000+ stored on my iPad) and for new bookmarks I am using InstAPaper.Having a solid experience with RIL/Pocket I’ve created a list of suggestions to Marco Arment to implement.1. Some pages stored in InstAPaper have removed essential sections of the text. E.g in many blogs comments are not stored in  InstAPaper. Some pages lost almost all of important links (e.g. http://www.lib.rus.ec/a/32416 -sorry, in Russian). RIL/Pocket has 2 modes to store offline- Web view and Article view. Web View includes all links/images of the original page, but it’s very reliable. Article view suppose to strip unrelated information, but often corrupts the content. I prefer to use offline Web view.InstAPaper should also support offline Web view, in case if stripped view removes important part of content.2.  Black full screen Saving on iPad Safari is very annoying. After user pressed a bookmark, the saving has some delay and then for a few seconds prevents from reading the text.Would be better to show as message on the top part(as in Pocket ). I am surprised, that  a full screen popup was  implemented recently as a desired feature. 3.There are no comments allowed on http://blog.instapaper.com/. I would prefer to post some of these notes as comments on http://blog.instapaper.com/ rather than write them in my blog and then send link to Marco.(I found recommendation how to add support of comments on tumblr at http://www.tumblr.com/help, but then realized that Marko was the lead developer ofTumblr.)4. Also there is no support forum. I understand that maintenance of the forum ican be a hassle, but stackexchange fSome time ago I’ve described the issues that I’ve had since a new version of Read It Later, named Pocket, was introduced.I’ve waited with hope for a new upgrade, but I had a huge disappointment with the latest version 16 June 2012. It didn’t fixed any of the two major problems, that I  experienced since new Pocket was introduced- orums can be referred on  http://www.instapaper.com/main/support page, i.e.http://webapps.stackexchange.com/search?q=Instapaper  or http://apple.stackexchange.com/search?q=Instapaper 5. Tags are more convenient than folders. i.e. an ability for the same article to have more than one tag. Also creating of new folders is not supported offline, which is an annoying limitation.6. I would like to have a narrow list - additionally to existing list modes have a subject only list or subject+site list to show more list items on a screen.7. Limit of 500 offline articles sounds quite big, but my RIL list exceeded 1000, so it could be a issue in the future.8. Search button on iPad version is visible, but doesn’t work- it forces to buy Premium subscription. I think, that it’s not correct. If the button in a paid version is visible and enabled, it should  provide  a working functionality, e.g. search in article names only. And leave full-text search for the premium support.9..Copy URL is an important operation and deserves to be in a first level of Action menu, rather than in Share sub-menu.I’ve also have comment re post http://www.marco.org/2011/04/28/removed-instapaper-free. Marco Arment  explained, why he doesn’t provide free version of Instapaper.  I believe that he is loosing essential part of his customers. When I decided which of iPad application to choose, I’ve selected RIL, because I was able to play with free version, and I liked it. I didn’t have a chance to compare RIL and InstAPaper on iPad, so I’ve bought  RIL pro. For a user there is no point to pay even $3 , if there are similar free product, that user can try and see, is it suitable for him/her.I’ve also played with Readability. It doesn’t have folders or tags(which is very important for me), but nicely supports full text search

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  • Join Companies in Web and Telecoms by Adopting MySQL Cluster

    - by Antoinette O'Sullivan
    Join Web and Telecom companies who have adopted MySQL Cluster to facilitate application in the following areas: Web: High volume OLTP eCommerce User profile management Session management and caching Content management On-line gaming Telecoms: Subscriber databases (HLR/HSS) Service deliver platforms VAS: VoIP, IPTV and VoD Mobile content delivery Mobile payments LTE access To come up to speed on MySQL Cluster, take the 3-day MySQL Cluster training course. Events already on the schedule include:  Location  Date  Delivery Language  Berlin, Germany  16 December 2013  German  Munich, Germany  2 December 2013  German  Budapest, Hungary  4 December 2013  Hungarian  Madrid, Spain  9 December 2013  Spanish  Jakarta Barat, Indonesia  27 January 2014  English  Singapore  20 December 2013  English  Bangkok, Thailand  28 January 2014  English  San Francisco, CA, United States  28 May 2014  English  New York, NY, United States  17 December 2013  English For more information about this course or to request an additional event, go to the MySQL Curriculum Page (http://education.oracle.com/mysql).

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  • Implementing a bit shift using AND, NOT, ADD [closed]

    - by fdart17
    I'm implementing a 16-bit left bit shift by r bits, and I only have access to AND, NOT and ADD. There are 3 condition codes, negative, zero and positive, which are set when you use any of these operations. How I went about it was : (1) And the number with 1000 0000 0000 0000 to set condition codes to positive if the most significant bit is 1. (2) Add the number with itself. This shifts bits one to the left. (3) If the MSB was 1, add 1 to the result. (4) Loop threw (1)-(3) r times. I'm wondering if anyone has any hints to some more efficient methods? Thanks!

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  • Can't boot from liveUSB when trying to install it alongside Windows 7

    - by ali
    I'm very noob at Linux and installing techniques. I want to install 12.04 from bootable usb flash alongside Windows 7 (also tried live CD but not working) but computer is not booting from USB flash or LIVE-CD and boots windows 7 (Acer Aspire 4750g) and of course I have set the BIOS priority in the right way. There is one important point to tell that I have installed Fedora 16 on my laptop successfully and now I have it on my system. When I was trying to install Fedora I got some error and searched about it and got this point that I should delete a .efi file and then installation went right. In this case , what should I do to solve the problem? (I also don't need my Fedora anymore).

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  • How to use the float value from Noise function in voxel terrain?

    - by therealjohn
    Im using Unity, although this question is not really specific to that engine. Im also using an asset from the store called Coherent Noise. It has some neat noise functionality built it. I am using those functions to produce some noise values. I am getting a value between 0 and 1 (floats). I have an array of blocks (for minecraft like voxel terrain) and I am confused on how to use this float value for terrain? Do I do something like <= 0 == Solid block etc etc? I am confused on how to use the floating values that the noise functions produce to use for height values of an array of say a height of 16. Thanks for any guidance.

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  • Problems with my slotgame

    - by Raiden2k
    I'm coding a slot game for learning. Here's the source code. My questions are below. unit Unit1; {$mode objfpc}{$H+} interface uses Classes, SysUtils, Windows, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls, ExtCtrls, ComCtrls, Menus, ActnList, Spin, FileCtrl; type { TForm1 } TForm1 = class(TForm) FloatSpinEdit1: TFloatSpinEdit; Guthabenlb: TLabel; s4: TLabel; s5: TLabel; s6: TLabel; s7: TLabel; s8: TLabel; s9: TLabel; Timer3: TTimer; Winlb: TLabel; Loselb: TLabel; slotbn: TButton; s1: TLabel; s2: TLabel; s3: TLabel; Timer1: TTimer; Timer2: TTimer; procedure FormCreate(Sender: TObject); procedure slotbnClick(Sender: TObject); procedure Timer1Timer(Sender: TObject); procedure Timer2Timer(Sender: TObject); procedure Timer3Timer(Sender: TObject); private { private declarations } FRollen : array [0..2, 0..9] of String; public { public declarations } end; var Form1: TForm1; wins,loses : Integer; guthaben : Double = 10; implementation {$R *.lfm} { TForm1 } procedure TForm1.slotbnClick(Sender: TObject); begin Guthaben := Guthaben - 1.00; Guthabenlb.Caption := FloatToStr(guthaben) + (' €'); Timer1.Enabled := True; Timer2.Enabled := True; slotbn.Enabled := false; end; procedure TForm1.FormCreate(Sender: TObject); var i: integer; j: integer; n: integer; digits: TStringlist; begin Digits := TStringList.Create; try for i := low(FRollen) to high(FRollen) do begin for j := low(FRollen[i]) to high(FRollen[i]) do Digits.Add(IntToStr(j)); for j := low(FRollen[i]) to high(FRollen[i]) do begin n := Random(Digits.Count); FRollen[i, j] := Digits[n]; Digits.Delete(n); end; end finally Digits.Free; end; for i:=low(FRollen) to high(FRollen) do begin end; end; //==================================================================================================\\ // Drehen der Slots im Zufallsmodus //==================================================================================================// procedure TForm1.Timer1Timer(Sender: TObject); begin s1.Caption := IntToStr(Random(9)); s2.Caption := IntToStr(Random(9)); s3.Caption := IntToStr(Random(9)); s4.Caption := IntToStr(Random(9)); s5.Caption := IntToStr(Random(9)); s6.Caption := IntToStr(Random(9)); s7.Caption := IntToStr(Random(9)); s8.Caption := IntToStr(Random(9)); s9.Caption := IntToStr(Random(9)); end; //==================================================================================================// //===================================================================================================\\ // Gewonnen / Verloren abfrage //===================================================================================================// procedure TForm1.Timer2Timer(Sender: TObject); begin Timer1.Enabled := False; Timer2.Enabled := false; if (s1.Caption = s5.Caption) and (s1.Caption = s9.Caption) then begin Guthaben := Guthaben + 5.00; Inc(wins); end else if (s1.Caption = s4.Caption) and (s1.Caption = s7.Caption) then begin Guthaben := Guthaben + 5.00; Inc(wins); end else if (s2.Caption = s5.Caption) and (s2.Caption = s8.Caption) then begin Guthaben := Guthaben + 5.00; Inc(wins); end else if (s3.Caption = s6.Caption) and (s3.Caption = s9.Caption) then begin Guthaben := Guthaben + 5.00; Inc(wins); end else if (s3.Caption = s5.Caption) and (s3.Caption = s7.Caption) then begin Guthaben := Guthaben + 5.00; Inc(wins); end else Inc(loses); slotbn.Enabled := True; Loselb.Caption := 'Loses: ' + IntToStr(loses); Winlb.Caption := 'Wins: ' + IntTostr(Wins); end; procedure TForm1.Timer3Timer(Sender: TObject); begin if (guthaben = 0) or (guthaben < 0) then begin Timer3.Enabled := False; MessageBox(handle,'Du hast verloren!','Verlierer!',MB_OK); close(); end; end; //======================================================================================================\\ end. How can I replace the labels through icons 16 x 16 pixels? How can I adjust the winning sum according to the icons? (for example 3 crowns give you 40 € and 3 apples only 10 €) How can I adjust the winning sum with a sum for every round?

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  • Can't get Broadcom 43142 drivers to work after installation on 5420 Inspiron

    - by beckett
    I'm a complete newbie to ubuntu, I've already installed and reinstalled the Broadcom driver required done a numerous amount of steps on terminal but I can't seem to get wireless working. However, my wired connection seems to work just fine. also I have tried to follow the instructions but get stuck at step number 2 when i get told "No package dpkg is available": 1) Download the file from the link 2) sudo yum install dpkg 3) mkdir BCM43142 4) dpkg-deb -x Downloads/wireless-bcm43142-dkms-6.20.55.19_amd64.deb BCM43142 5) cd BCM43142/usr/src/wireless-bcm43142-oneiric-dkms-6.20.55.19~bdcom0602.0400.1000.0400/src/wl/sys 6) sudo yum install kernel-devel kernel-headers 7) vi wl_linux.c 8) around line 43, remove the line include 9) save the file (:wq) 10) cd ../../.. 11) make Things should work, and you'll have a file called "wl.ko" in the current directory. 12) sudo yum remove broadcom-wl 13) sudo mkdir -p /lib/modules/3.5.2-3.fc17.x86_64/extra/wl 14) sudo cp wl.ko /lib/modules/3.5.2-3.fc17.x86_64/extra/wl 15) sudo depmod -a 16) sudo modprobe wl I really need help :/

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  • ASP.NET Multi-Select Radio Buttons

    - by Ajarn Mark Caldwell
    “HERESY!” you say, “Radio buttons are for single-select items!  If you want multi-select, use checkboxes!”  Well, I would agree, and that is why I consider this a significant bug that ASP.NET developers need to be aware of.  Here’s the situation. If you use ASP:RadioButton controls on your WebForm, then you know that in order to get them to behave properly, that is, to define a group in which only one of them can be selected by the user, you use the Group attribute and set the same value on each one.  For example: 1: <asp:RadioButton runat="server" ID="rdo1" Group="GroupName" checked="true" /> 2: <asp:RadioButton runat="server" ID="rdo2" Group="GroupName" /> With this configuration, the controls will render to the browser as HTML Input / Type=radio tags and when the user selects one, the browser will automatically deselect the other one so that only one can be selected (checked) at any time. BUT, if you user server-side code to manipulate the Checked attribute of these controls, it is possible to set them both to believe that they are checked. 1: rdo2.Checked = true; // Does NOT change the Checked attribute of rdo1 to be false. As long as you remain in server-side code, the system will believe that both radio buttons are checked (you can verify this in the debugger).  Therefore, if you later have code that looks like this 1: if (rdo1.Checked) 2: { 3: DoSomething1(); 4: } 5: else 6: { 7: DoSomethingElse(); 8: } then it will always evaluate the condition to be true and take the first action.  The good news is that if you return to the client with multiple radio buttons checked, the browser tries to clean that up for you and make only one of them really checked.  It turns out that the last one on the screen wins, so in this case, you will in fact end up with rdo2 as checked, and if you then make a trip to the server to run the code above, it will appear to be working properly.  However, if your page initializes with rdo2 checked and in code you set rdo1 to checked also, then when you go back to the client, rdo2 will remain checked, again because it is the last one and the last one checked “wins”. And this gets even uglier if you ever set these radio buttons to be disabled.  In that case, although the client browser renders the radio buttons as though only one of them is checked the system actually retains the value of both of them as checked, and your next trip to the server will really frustrate you because the browser showed rdo2 as checked, but your DoSomething1() routine keeps getting executed. The following is sample code you can put into any WebForm to test this yourself. 1: <body> 2: <form id="form1" runat="server"> 3: <h1>Radio Button Test</h1> 4: <hr /> 5: <asp:Button runat="server" ID="cmdBlankPostback" Text="Blank Postback" /> 6: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7: <asp:Button runat="server" ID="cmdEnable" Text="Enable All" OnClick="cmdEnable_Click" /> 8: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9: <asp:Button runat="server" ID="cmdDisable" Text="Disable All" OnClick="cmdDisable_Click" /> 10: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 11: <asp:Button runat="server" ID="cmdTest" Text="Test" OnClick="cmdTest_Click" /> 12: <br /><br /><br /> 13: <asp:RadioButton ID="rdoG1R1" GroupName="Group1" runat="server" Text="Group 1 Radio 1" Checked="true" /><br /> 14: <asp:RadioButton ID="rdoG1R2" GroupName="Group1" runat="server" Text="Group 1 Radio 2" /><br /> 15: <asp:RadioButton ID="rdoG1R3" GroupName="Group1" runat="server" Text="Group 1 Radio 3" /><br /> 16: <hr /> 17: <asp:RadioButton ID="rdoG2R1" GroupName="Group2" runat="server" Text="Group 2 Radio 1" /><br /> 18: <asp:RadioButton ID="rdoG2R2" GroupName="Group2" runat="server" Text="Group 2 Radio 2" Checked="true" /><br /> 19:  20: </form> 21: </body> 1: protected void Page_Load(object sender, EventArgs e) 2: { 3:  4: } 5:  6: protected void cmdEnable_Click(object sender, EventArgs e) 7: { 8: rdoG1R1.Enabled = true; 9: rdoG1R2.Enabled = true; 10: rdoG1R3.Enabled = true; 11: rdoG2R1.Enabled = true; 12: rdoG2R2.Enabled = true; 13: } 14:  15: protected void cmdDisable_Click(object sender, EventArgs e) 16: { 17: rdoG1R1.Enabled = false; 18: rdoG1R2.Enabled = false; 19: rdoG1R3.Enabled = false; 20: rdoG2R1.Enabled = false; 21: rdoG2R2.Enabled = false; 22: } 23:  24: protected void cmdTest_Click(object sender, EventArgs e) 25: { 26: rdoG1R2.Checked = true; 27: rdoG2R1.Checked = true; 28: } 29: 30: protected void Page_PreRender(object sender, EventArgs e) 31: { 32:  33: } After you copy the markup and page-behind code into the appropriate files.  I recommend you set a breakpoint on Page_Load as well as cmdTest_Click, and add each of the radio button controls to the Watch list so that you can walk through the code and see exactly what is happening.  Use the Blank Postback button to cause a postback to the server so you can inspect things without making any changes. The moral of the story is: if you do server-side manipulation of the Checked status of RadioButton controls, then you need to set ALL of the controls in a group whenever you want to change one.

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  • Has programming ruined your perception of round numbers?

    - by Jon Purdy
    Most of the world works in base 10 nowadays, but as programmers working on binary systems, we constantly find ourselves working with powers of 2. While most people consider integer multiples of powers of 10 "nice and round" and somehow aesthetically superior, I found early on in my programming adventures that multiples of powers of 2 feel much more intuitively round to me: fewer factors, of course. I'm much more likely to lay out a Web site using, say, 8- or 16-pixel margins rather than 10 or 20, and when someone remarks that 128 is an insanely arbitrary number of ounces to be in a gallon, I have to smile a little inside at how, just perhaps, the U.S. system might be superior to metric in one small way. I'm just curious: has programming ruined (read: altered) your perception of the roundness of a number?

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