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• SQL Down Under Podcast - Gadi Peleg - Data Quality Services

  - by Greg Low

  Well it's been a few months but I'm back on a roll creating some SQL Down Under podcasts. The first out the door is an interview with Gadi Peleg from the SQL Server team, introducing Data Quality Services.Gadi came to Microsoft when Zoomix was acquired.Details of this podcast (and other available podcasts) are here: http://www.sqldownunder.com/Resources/Podcast.aspxHope you enjoy it even though there are some telling signs that I recorded it at 3AM :-)If you are using iTunes, you can also subscribe here: http://itunes.apple.com/au/podcast/sql-down-under/id503822116?mt=2

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• Visual Studio Image Library now available for download

  - by Greg Low

  One of the challenges in any application development is trying to make your application look like it's really designed for the target environment. Using the same icons/images that are used in the target environment, and for the same purposes, helps greatly with this.It's great to see that Microsoft have published an image library for Visual Studio that lets your own applications use the same images that they use in the operating system.You'll find info about it (and the download) here: http://www.microsoft.com/en-us/download/details.aspx?id=35825 

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• SQL Server 2008 R2 Reporting Services: A generic error occurred in GDI+

  - by Greg Low

  While building some maps today in SQL Server 2008 R2 Reporting Services, I kept coming up with an error that said: A generic error occurred in GDI+ I was struggling to think what I'd done wrong. After much nashing of teeth and removal of hair, I finally worked out what the error was. When I got to the "Choose Color Scheme and Visualization" page of the map wizard for building a color analytical map, I hadn't picked the correct value for the "Field to Visualize" drop-down. I'm guessing that because...(read more)

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• Backup a Single Table in SQL Server using SSMS

  - by Greg Low

  Our buddy Buck Woody made an interesting post about a common question: "How do I back up a single table in SQL Server?" That got me thinking about what a backup of a table really is. BCP is often used to get the data but you want the schema as well. For reasonable-sized tables, the easiest way to do this now is to create a script using SQL Server Management Studio. To do this, you: 1. Right-click the database (note not the table) 2. Choose Tasks > Generate Scripts 3. In the Choose Objects pane,...(read more)

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• Should SQL Server tools target wide screen formats instead of portrait formats?

  - by Greg Low

  There was a short discussion on the SQL Down Under mailing list this morning about screen resolutions for working with the SQL Server tools. In particular, the issue was about how unusable the tools are on the 1366x768 resolution notebooks that now seem to be the most common. While finding a notebook with an appropriate resolution is obviously the answer at this time, I started thinking that the product itself needs to address this. SQL Server tools currently target a portrait 4:3 shape for minimum...(read more)

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• SQL Server 2008 R2: StreamInsight changes at RTM: Event Flow Debugger and Management Interface Secur

  - by Greg Low

  In CTP3, I found setting up the StreamInsight Event Flow Debugger fairly easy. For RTM, a number of security changes were made. First config: To be able to connect to the management interface, your user must be added to the Performance Log Users group. After you make this change, you must log off and log back on as the token is only added to your login token when you log on. I forgot this and spent ages trying to work out why I couldn't connect. Second config: You need to reserve the URL that the...(read more)

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• CTP for Power View and SSAS Multidimensional Cubes

  - by Greg Low

  When Power View appeared, one of the big outcries was "but what about connecting to existing cubes!".Great to see that the SQL Server team have addressed that. A CTP that allows connecting Power View to SSAS Multidimensional cubes is now available:http://blogs.msdn.com/b/analysisservices/archive/2012/11/29/power-view-for-multidimensional-models-preview.aspxHelp the team get this out the door by trying it and providing feedback.

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• Webinar: SQL Server Compression Technologies

  - by Greg Low

  A while back, we changed the format of our monthly SQL PASS meetings to a virtual format for most meetings, as it makes it easier for a lot of people to attend.Tomorrow (lunch time Melbourne time), I'm delivering another one on compression technologies in SQL Server. In this session, we'll take a tour through vardecimal in 2005, then onto row and page compression in 2008, then xVelocity based compression in 2012, and finally looking at what 2014 offers in this regard.We have a limit on the number of attendees so please don't register if you can't make it but if you can, we'd love to see you online.https://www4.gotomeeting.com/register/163499127

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• Does 64bit Windows 8 have the same 75% memory-usage limitation for applications as Windows 7?

  - by Barleyman

  64bit Windows 7 (and Windows Vista) have a built-in limit of not being able to use the last 25% of RAM. You will get a low memory warning when you get close to the limit. Even if you disable that warning, applications will run out of memory and crash since the OS will refuse to allocate memory from that last 25%. That was fine when Vista was designed, when machines had 1 GB of total memory, but is pretty daft for today's 8 GB machines. Yes, the system will run cache, etc. on that extra 2 GB, but running out of memory when you have "merely" 2 GB left.... NB: this has nothing to do with the page file. If you limit the page file to a sensible size like 2 GB, you will still see this behavior. The system will cram the page file to the last byte while refusing to touch that 1/4th of the RAM. Does Windows 8 change this behavior? Is there now some fixed minimum free RAM requirement, like 512 MB, or is it still 25%? Can you actually adjust the low memory limit? EDIT: Here is another older post here which discusses this same behavior on Windows 7. There is fixed 25% limit in Windows 7 and I'd like to know if it's still in Windows 8. Windows 7 / Page File Disabled / 12 GB RAM / 2+ GB RAM free and "your computer is running low on memory" Edit2: Here is another link discussing the low memory warning and how to disable it. Note he claims the limit for RAM usage is 80%, not 75%. It would seem to be correct as you can in fact allocate 6.4GB of RAM with 8GB machine. Anything above and beyond that goes to the pagefile, though. http://halflight.com.au/2011/04/06/how-to-disable-low-memory-warnings-and-the-advantages-of-removing-the-page-file/ Edit3: a Here's couple of process explorer screenshots that demonstrate how it goes down. Exhibit1: https://dl.dropbox.com/u/42068601/sysinfo.jpg Exhibit2: https://dl.dropbox.com/u/42068601/sysint2.jpg You can see that Windows 7 will use the memory 6.4GB as the very last resort. I have low memory warning switched off here so programs crashed at the last screenshot allocation. With low memory warning turned on, it starts nagging before you can push OS to use that remaining 1.6GB. The question is not "Is it OK windows does not want to allocate last 20% of RAM because X", it's "Does Windows 8 still behave this way". With 16GB this really becomes dumb.

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• SQL Server Data Tools–BI for Visual Studio 2013 Re-released

  - by Greg Low

  Customers used to complain that the tooling for creating BI projects (Analysis Services MD and Tabular, Reporting Services, and Integration services) has been based on earlier versions of Visual Studio than the ones they were using for their other work in Visual Studio (such as C#, VB, and ASP.NET projects). To alleviate that problem, the shipment of those tools has been decoupled from the shipment of the SQL Server product. In SQL Server 2014, the BI tooling isn’t even included in the released version of SQL Server. This allows the team to keep up-to-date with the releases of Visual Studio. A little while back, I was really pleased to see that the Visual Studio 2013 update for SSDT-BI (SQL Server Data Tools for Business Intelligence) had been released. Unfortunately, they then had to be withdrawn. The good news is that they’re back and you can get the latest version from here: http://www.microsoft.com/en-us/download/details.aspx?id=42313

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• Log Shipping Between SQL Server Versions (perhaps 2005 to 2008)

  - by Greg Low

  One of the discussion lists that I participate in, had a brief discussion this morning about whether or not it's possible to perform log shipping between differernt versions of SQL Server. Specifically, can you do log shipping between SQL Server 2005 and SQL Server 2008? SQL Server does support restoring earlier version databases on later versions of the product. The databases get upgraded along the way. This also applies to transaction logs. So, you can set up log shipping between versions, however...(read more)

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• Opinion: Passwords as a concept are completely broken

  - by Greg Low

  One thing you get to do as you get older, or have been around the industry for a long time, is to pontificate. My pet topic today is passwords. I think that they are, as a concept, now completely broken and have been for a long time. We tell users:1. Pick something really complex2. Don't write it down3. Change it regularly4. Use a different password for each site, and often each role that you hold in each site5. Deal with the fact that we apply different rules for passwords on each siteetc, etc.Is this even humanly possible? I don't think it is. Yet we blame the users when "they" get it wrong. How can they be getting it wrong when we design a system that requires super-human ability to comply. (These guys are potential exceptions: http://www.worldmemorychampionships.com/) We are the ones that are getting it wrong and it's long overdue that we, as an industry, need to apply our minds to fixing it, instead of assuming that users should just deal with it.

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• Visual Studio 2012 Update 1 now available for download

  - by Greg Low

  Good to see the Visual Studio 2012 team get update 1 out the door. I'm using it now and am pretty happy with it.I like the way that the tools are now being updated out of band. Hopefully, the SQL BI folk will get their templates updated to VS2012 soon too.You can get it here: http://www.microsoft.com/visualstudio/eng/downloads#d-visual-studio-2012-updateDetailed list of what's changed is here: http://blogs.msdn.com/b/visualstudioalm/archive/2012/11/26/visual-studio-and-team-foundation-server-2012-update-1-now-available.aspx 

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• Create a system image in Windows 8

  - by Greg Low

  One of the things that I've just come to accept is that the designers of Windows 8 and I think very differently.It'll take a long time to convince me that shutting down the computer is a "setting". Even after using Windows 8 for quite a while now, I still find that I struggle nearly every day, just trying to do things that I previously knew how to do. That's just not a good thing.Today I decided to create a system image as I hadn't made one lately. I started in Control Panel looking for Backup options. That yielded nothing except programs that wanted to "Save backup copies of my files with file history". I thought "oh well, let's just try the new search options". I hit the Windows key and typed "Backup". No, nothing came up there either.I searched again all over the Control Panel options to no avail.So it was time to hit Google again. Once again, clearly lots of people used to know how to do this and have been trying to work out where this option went.The first trick is that there are a bunch of Control Panel options that don't appear in the Control Panel. In the address bar at the top, if you click on Control Panel, you'll find there is an option that says "All Control Panel Options". That is curious given that's where I thought I was when I opened Control Panel. No hint is given on that screen that there are a bunch of hidden options. None the less, I then checked out "all" the options.The option that you need to create a system image in Windows 8 turns out to be the "Windows 7 File Recovery" option that appears in this extended list. Why does it say "Windows 7" when it's for "Windows 8" as well and I'm running "Windows 8"? Why do I have to choose an option that says "File Recovery" to create a system image backup?<sigh>But at least I've recorded it here for the next time I forget where to find it.

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• SQL Server 2008 R2 Reporting Services: A generic error occurred in GDI+

  - by Greg Low

  While building some maps today in SQL Server 2008 R2 Reporting Services, I kept coming up with an error that said: A generic error occurred in GDI+ I was struggling to think what I'd done wrong. After much nashing of teeth and removal of hair, I finally worked out what the error was. When I got to the "Choose Color Scheme and Visualization" page of the map wizard for building a color analytical map, I hadn't picked the correct value for the "Field to Visualize" drop-down. I'm guessing that because...(read more)

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• Suggestion: ALLFILES option for RESTORE

  - by Greg Low

  The default action when performing a backup is to append to the backup file yet the default action when restoring a backup is to restore just the first file.I constantly come across customer situations where they are puzzled that they seem to have lost data after they have completed a restore. Invariably, it's just that they haven't restored all the backups contained within a single OS file. This happens most commonly with log backups but also happens when they have not restored the most recent database backup file.It is not trivial to achieve this within simple T-SQL scripts, when the number of backup files within the OS file is unknown. It really should be.I'd like to see a FILES=ALLFILES option on the RESTORE command. For RESTORE DATABASE, it should restore the most recent database backup plus any subsequent log files. For RESTORE LOG (which is the most important missing option), it should just restore all relevant log backups that are contained.If you agree, you know what to do: please vote:  https://connect.microsoft.com/SQLServer/feedback/details/769204/option-to-restore-all-backups-files-within-a-media-setAlternately, how would you write a T-SQL command to restore all log backups within a single OS file where the number of files is unknown? Would love to hear creative solutions because all the ones that I think of are pretty messy and need dynamic SQL. 

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• How do I "telnet into [my] favourite Web server"?

  - by rookie

  I'm reading a book about programming, and I want to check an HTTP response message. The book is instructing me to telnet into your favorite Web server. Then type in a one-line request message for some object that is housed on the server: for example: telnet cis.poly.edu 80 GET /~hello/ HTTP/1.1 Host: cis.poly.edu What am I supposed to do, exactly? What program do I need? Where do I need to type this message?

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• Why does my laptop resume immediately after suspend?

  - by Igor Zinov'yev

  I seem to be having some problem with suspend mode. Every time I try to suspend my laptop, it just locks the screen. Or maybe it successfully suspends just to resume only an instant after. What could cause such a behaviour? I'm running 32-bit Ubuntu 12.04 with the 3.2.0-25 kernel on a HP dv5-1178er Pavilion laptop (Intel Core 2 Duo). Here are the relevant log sections: kern.log: Jun 1 10:42:21 igor-laptop kernel: [ 2225.131171] PM: Syncing filesystems ... done. Jun 1 10:42:21 igor-laptop kernel: [ 2225.141222] PM: Preparing system for mem sleep Jun 1 10:42:21 igor-laptop kernel: [ 2225.141239] Freezing user space processes ... (elapsed 0.01 seconds) done. Jun 1 10:42:21 igor-laptop kernel: [ 2225.156171] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. Jun 1 10:42:21 igor-laptop kernel: [ 2225.172139] PM: Entering mem sleep Jun 1 10:42:21 igor-laptop kernel: [ 2225.172169] Suspending console(s) (use no_console_suspend to debug) Jun 1 10:42:21 igor-laptop kernel: [ 2225.172895] sd 0:0:0:0: [sda] Synchronizing SCSI cache Jun 1 10:42:21 igor-laptop kernel: [ 2225.181767] sd 0:0:0:0: [sda] Stopping disk Jun 1 10:42:21 igor-laptop kernel: [ 2225.251089] ene_ir 00:0a: wake-up capability enabled by ACPI Jun 1 10:42:21 igor-laptop kernel: [ 2225.251115] i8042 aux 00:09: wake-up capability disabled by ACPI Jun 1 10:42:21 igor-laptop kernel: [ 2225.251133] i8042 kbd 00:08: wake-up capability enabled by ACPI Jun 1 10:42:21 igor-laptop kernel: [ 2225.251286] jmb38x_ms 0000:06:00.3: PCI INT A disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.252491] sdhci-pci 0000:06:00.1: PCI INT A disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.264130] uhci_hcd 0000:00:1d.2: PCI INT D disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.264142] uhci_hcd 0000:00:1d.1: PCI INT B disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.264325] uhci_hcd 0000:00:1a.1: PCI INT B disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.288059] uhci_hcd 0000:00:1a.0: PCI INT A disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.288097] uhci_hcd 0000:00:1d.3: PCI INT C disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.288135] uhci_hcd 0000:00:1d.0: PCI INT A disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.316051] ehci_hcd 0000:00:1d.7: PCI INT A disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.316068] ehci_hcd 0000:00:1a.7: PCI INT D disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.522872] PM: suspend of drv:sd dev:0:0:0:0 complete after 349.979 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.522901] PM: suspend of drv:scsi dev:target0:0:0 complete after 349.955 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.522927] PM: suspend of drv:scsi dev:host0 complete after 272.260 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.522969] ahci 0000:00:1f.2: BIOS update required for suspend/resume Jun 1 10:42:21 igor-laptop kernel: [ 2225.522976] pci_legacy_suspend(): ahci_pci_device_suspend+0x0/0x80 returns -5 Jun 1 10:42:21 igor-laptop kernel: [ 2225.522981] pm_op(): pci_pm_suspend+0x0/0x110 returns -5 Jun 1 10:42:21 igor-laptop kernel: [ 2225.522984] PM: suspend of drv:ahci dev:0000:00:1f.2 complete after 258.932 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.522987] PM: Device 0000:00:1f.2 failed to suspend async: error -5 Jun 1 10:42:21 igor-laptop kernel: [ 2225.576228] snd_hda_intel 0000:00:1b.0: PCI INT A disabled Jun 1 10:42:21 igor-laptop kernel: [ 2225.576270] ACPI handle has no context! Jun 1 10:42:21 igor-laptop kernel: [ 2225.592136] PM: suspend of drv:snd_hda_intel dev:0000:00:1b.0 complete after 327.889 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.592206] PM: Some devices failed to suspend Jun 1 10:42:21 igor-laptop kernel: [ 2225.592291] uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592298] uhci_hcd 0000:00:1a.0: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592325] usb usb3: root hub lost power or was reset Jun 1 10:42:21 igor-laptop kernel: [ 2225.592339] uhci_hcd 0000:00:1a.1: PCI INT B -> GSI 21 (level, low) -> IRQ 21 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592345] uhci_hcd 0000:00:1a.1: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592371] usb usb4: root hub lost power or was reset Jun 1 10:42:21 igor-laptop kernel: [ 2225.592387] ehci_hcd 0000:00:1a.7: PCI INT D -> GSI 19 (level, low) -> IRQ 19 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592395] ehci_hcd 0000:00:1a.7: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592843] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592851] uhci_hcd 0000:00:1d.0: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592854] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592863] uhci_hcd 0000:00:1d.1: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592878] usb usb5: root hub lost power or was reset Jun 1 10:42:21 igor-laptop kernel: [ 2225.592892] usb usb6: root hub lost power or was reset Jun 1 10:42:21 igor-laptop kernel: [ 2225.592895] uhci_hcd 0000:00:1d.2: PCI INT D -> GSI 16 (level, low) -> IRQ 16 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592903] uhci_hcd 0000:00:1d.2: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592906] uhci_hcd 0000:00:1d.3: PCI INT C -> GSI 18 (level, low) -> IRQ 18 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592915] uhci_hcd 0000:00:1d.3: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592930] usb usb7: root hub lost power or was reset Jun 1 10:42:21 igor-laptop kernel: [ 2225.592946] usb usb8: root hub lost power or was reset Jun 1 10:42:21 igor-laptop kernel: [ 2225.592949] ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 20 (level, low) -> IRQ 20 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592957] ehci_hcd 0000:00:1d.7: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.592963] pci 0000:00:1e.0: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.597106] sd 0:0:0:0: [sda] Starting disk Jun 1 10:42:21 igor-laptop kernel: [ 2225.608138] snd_hda_intel 0000:00:1b.0: BAR 0: set to [mem 0xdf300000-0xdf303fff 64bit] (PCI address [0xdf300000-0xdf303fff]) Jun 1 10:42:21 igor-laptop kernel: [ 2225.608180] snd_hda_intel 0000:00:1b.0: restoring config space at offset 0xf (was 0x100, writing 0x10b) Jun 1 10:42:21 igor-laptop kernel: [ 2225.608233] snd_hda_intel 0000:00:1b.0: restoring config space at offset 0x3 (was 0x0, writing 0x10) Jun 1 10:42:21 igor-laptop kernel: [ 2225.608248] snd_hda_intel 0000:00:1b.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100002) Jun 1 10:42:21 igor-laptop kernel: [ 2225.608299] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 Jun 1 10:42:21 igor-laptop kernel: [ 2225.608313] snd_hda_intel 0000:00:1b.0: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.608420] snd_hda_intel 0000:00:1b.0: irq 50 for MSI/MSI-X Jun 1 10:42:21 igor-laptop kernel: [ 2225.612095] firewire_ohci 0000:06:00.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100006) Jun 1 10:42:21 igor-laptop kernel: [ 2225.612181] sdhci-pci 0000:06:00.1: restoring config space at offset 0x1 (was 0x100003, writing 0x100007) Jun 1 10:42:21 igor-laptop kernel: [ 2225.612211] sdhci-pci 0000:06:00.1: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Jun 1 10:42:21 igor-laptop kernel: [ 2225.612225] sdhci-pci 0000:06:00.1: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.612296] jmb38x_ms 0000:06:00.3: restoring config space at offset 0x1 (was 0x100003, writing 0x100007) Jun 1 10:42:21 igor-laptop kernel: [ 2225.612326] jmb38x_ms 0000:06:00.3: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Jun 1 10:42:21 igor-laptop kernel: [ 2225.612332] jmb38x_ms 0000:06:00.3: setting latency timer to 64 Jun 1 10:42:21 igor-laptop kernel: [ 2225.699170] PM: resume of drv:uvcvideo dev:2-4:1.0 complete after 101.965 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.699179] PM: resume of drv:uvcvideo dev:2-4:1.1 complete after 101.932 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.699186] PM: resume of drv: dev:ep_00 complete after 101.917 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.699197] PM: resume of drv: dev:ep_83 complete after 101.972 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716148] PM: resume of drv:hub dev:3-0:1.0 complete after 119.543 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716155] PM: resume of drv: dev:ep_00 complete after 119.544 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716161] PM: resume of drv:hub dev:5-0:1.0 complete after 119.420 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716168] PM: resume of drv: dev:ep_00 complete after 119.381 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716174] PM: resume of drv:hub dev:8-0:1.0 complete after 119.141 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716181] PM: resume of drv: dev:ep_00 complete after 119.104 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716186] PM: resume of drv: dev:ep_81 complete after 119.579 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716191] PM: resume of drv: dev:ep_81 complete after 119.427 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.716197] PM: resume of drv: dev:ep_81 complete after 119.143 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.747148] firewire_core: skipped bus generations, destroying all nodes Jun 1 10:42:21 igor-laptop kernel: [ 2225.776093] PM: resume of drv:hp_accel dev:HPQ0004:00 complete after 167.225 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.777243] i8042 kbd 00:08: wake-up capability disabled by ACPI Jun 1 10:42:21 igor-laptop kernel: [ 2225.777278] ene_ir 00:0a: wake-up capability disabled by ACPI Jun 1 10:42:21 igor-laptop kernel: [ 2225.820100] PM: resume of drv:hub dev:4-0:1.0 complete after 223.436 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820115] PM: resume of drv: dev:ep_00 complete after 223.444 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820123] PM: resume of drv: dev:ep_81 complete after 223.456 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820206] PM: resume of drv:hub dev:7-0:1.0 complete after 223.266 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820221] PM: resume of drv: dev:ep_81 complete after 223.260 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820238] PM: resume of drv: dev:ep_00 complete after 223.255 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820295] PM: resume of drv:hub dev:6-0:1.0 complete after 223.453 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820302] PM: resume of drv: dev:ep_00 complete after 223.415 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.820321] PM: resume of drv: dev:ep_81 complete after 223.457 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2225.932108] usb 4-2: reset full-speed USB device number 2 using uhci_hcd Jun 1 10:42:21 igor-laptop kernel: [ 2226.086714] PM: resume of drv:usbhid dev:4-2:1.0 complete after 489.393 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.086728] PM: resume of drv: dev:ep_81 complete after 489.384 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.086745] PM: resume of drv: dev:ep_00 complete after 489.329 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.086753] PM: resume of drv:usbhid dev:4-2:1.1 complete after 489.384 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.086764] PM: resume of drv: dev:ep_82 complete after 489.373 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.180555] usb 7-2: reset full-speed USB device number 2 using uhci_hcd Jun 1 10:42:21 igor-laptop kernel: [ 2226.244858] firewire_core: rediscovered device fw0 Jun 1 10:42:21 igor-laptop kernel: [ 2226.335066] btusb 7-2:1.0: no reset_resume for driver btusb? Jun 1 10:42:21 igor-laptop kernel: [ 2226.335068] btusb 7-2:1.1: no reset_resume for driver btusb? Jun 1 10:42:21 igor-laptop kernel: [ 2226.432082] usb 6-1: reset full-speed USB device number 2 using uhci_hcd Jun 1 10:42:21 igor-laptop kernel: [ 2226.578280] PM: resume of drv:nvidia dev:0000:01:00.0 complete after 985.301 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584296] PM: resume of drv:usb dev:7-2:1.0 complete after 986.693 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584308] PM: resume of drv: dev:ep_00 complete after 986.452 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584311] PM: resume of drv:usb dev:7-2:1.1 complete after 986.616 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584315] PM: resume of drv:usb dev:7-2:1.3 complete after 986.483 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584320] PM: resume of drv:usb dev:7-2:1.2 complete after 986.556 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584328] PM: resume of drv: dev:ep_03 complete after 986.588 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584331] PM: resume of drv: dev:ep_81 complete after 986.704 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584334] PM: resume of drv: dev:ep_83 complete after 986.617 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584337] PM: resume of drv: dev:ep_82 complete after 986.688 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584340] PM: resume of drv: dev:ep_02 complete after 986.667 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584344] PM: resume of drv: dev:ep_84 complete after 986.558 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.584352] PM: resume of drv: dev:ep_04 complete after 986.542 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.590883] PM: resume of drv: dev:ep_00 complete after 993.327 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.590887] PM: resume of drv:usb dev:6-1:1.0 complete after 993.424 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.590927] PM: resume of drv: dev:ep_82 complete after 993.395 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.590934] PM: resume of drv: dev:ep_81 complete after 993.426 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.590940] PM: resume of drv: dev:ep_01 complete after 993.456 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.592450] PM: resume of drv:sd dev:0:0:0:0 complete after 995.343 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.592461] PM: resume of drv:scsi_disk dev:0:0:0:0 complete after 802.688 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.592472] PM: resume of drv:scsi_device dev:0:0:0:0 complete after 995.324 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.600339] PM: resume of devices complete after 1008.129 msecs Jun 1 10:42:21 igor-laptop kernel: [ 2226.601293] PM: resume devices took 1.008 seconds Jun 1 10:42:21 igor-laptop kernel: [ 2226.601330] PM: Finishing wakeup. Jun 1 10:42:21 igor-laptop kernel: [ 2226.601332] Restarting tasks ... done. Jun 1 10:42:21 igor-laptop kernel: [ 2226.625660] video LNXVIDEO:01: Restoring backlight state Jun 1 10:42:22 igor-laptop kernel: [ 2227.478921] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S Jun 1 10:42:22 igor-laptop kernel: [ 2227.481981] iwlwifi 0000:02:00.0: Radio type=0x1-0x2-0x0 Jun 1 10:42:22 igor-laptop kernel: [ 2227.527727] ADDRCONF(NETDEV_UP): wlan0: link is not ready Jun 1 10:42:22 igor-laptop kernel: [ 2227.532468] r8169 0000:03:00.0: eth0: link down Jun 1 10:42:22 igor-laptop kernel: [ 2227.533967] ADDRCONF(NETDEV_UP): eth0: link is not ready pm_suspend.log: Fri Jun 1 10:42:14 MSK 2012: Running hooks for suspend. Running hook /usr/lib/pm-utils/sleep.d/000kernel-change suspend suspend: /usr/lib/pm-utils/sleep.d/000kernel-change suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/00logging suspend suspend: Linux igor-laptop 3.2.0-25-generic #40-Ubuntu SMP Wed May 23 20:33:05 UTC 2012 i686 i686 i386 GNU/Linux Module Size Used by pci_stub 12550 1 vboxpci 22882 0 vboxnetadp 13328 0 vboxnetflt 27211 0 vboxdrv 252189 3 vboxpci,vboxnetadp,vboxnetflt dm_crypt 22528 0 snd_hda_codec_hdmi 31775 1 snd_hda_codec_idt 60251 1 arc4 12473 2 hp_wmi 13652 0 sparse_keymap 13658 1 hp_wmi rfcomm 38139 12 snd_hda_intel 32765 5 snd_hda_codec 109562 3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel snd_hwdep 13276 1 snd_hda_codec bnep 17830 2 btusb 17912 2 bluetooth 158438 23 rfcomm,bnep,btusb joydev 17393 0 parport_pc 32114 0 snd_pcm 80845 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec ppdev 12849 0 uvcvideo 67203 0 binfmt_misc 17292 1 videodev 86588 1 uvcvideo snd_seq_midi 13132 0 snd_rawmidi 25424 1 snd_seq_midi nvidia 10958194 43 snd_seq_midi_event 14475 1 snd_seq_midi snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event ir_lirc_codec 12739 0 lirc_dev 18700 1 ir_lirc_codec snd_timer 28931 2 snd_pcm,snd_seq snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq ir_mce_kbd_decoder 12681 0 ir_sony_decoder 12462 0 ir_jvc_decoder 12459 0 ir_rc6_decoder 12459 0 psmouse 87213 0 ir_rc5_decoder 12459 0 serio_raw 13027 0 iwlwifi 287934 0 rc_rc6_mce 12454 0 ir_nec_decoder 12459 0 ene_ir 18019 0 rc_core 21263 10 ir_lirc_codec,ir_mce_kbd_decoder,ir_sony_decoder,ir_jvc_decoder,ir_rc6_decoder,ir_rc5_decoder,rc_rc6_mce,ir_nec_decoder,ene_ir mac80211 436455 1 iwlwifi snd 62064 19 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device cfg80211 178679 2 iwlwifi,mac80211 hp_accel 25728 0 lis3lv02d 19268 1 hp_accel input_polldev 13648 1 lis3lv02d mac_hid 13077 0 wmi 18744 1 hp_wmi jmb38x_ms 17406 0 soundcore 14635 1 snd snd_page_alloc 14115 2 snd_hda_intel,snd_pcm memstick 15857 1 jmb38x_ms firewire_sbp2 18346 0 lp 17455 0 parport 40930 3 parport_pc,ppdev,lp vesafb 13516 1 usbhid 41906 0 hid 77367 1 usbhid firewire_ohci 40180 0 firewire_core 56906 2 firewire_sbp2,firewire_ohci crc_itu_t 12627 1 firewire_core sdhci_pci 18324 0 sdhci 28241 1 sdhci_pci r8169 56321 0 video 19068 0 total used free shared buffers cached Mem: 3095544 2364260 731284 0 159020 1280240 -/+ buffers/cache: 925000 2170544 Swap: 1718916 0 1718916 /usr/lib/pm-utils/sleep.d/00logging suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/00powersave suspend suspend: /usr/lib/pm-utils/sleep.d/00powersave suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/01PulseAudio suspend suspend: Welcome to PulseAudio! Use "help" for usage information. >>> >>> Welcome to PulseAudio! Use "help" for usage information. >>> >>> Welcome to PulseAudio! Use "help" for usage information. >>> >>> /usr/lib/pm-utils/sleep.d/01PulseAudio suspend suspend: success. Running hook /etc/pm/sleep.d/10_grub-common suspend suspend: /etc/pm/sleep.d/10_grub-common suspend suspend: success. Running hook /etc/pm/sleep.d/10_unattended-upgrades-hibernate suspend suspend: /etc/pm/sleep.d/10_unattended-upgrades-hibernate suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/55NetworkManager suspend suspend: Having NetworkManager put all interaces to sleep...Failed. /usr/lib/pm-utils/sleep.d/55NetworkManager suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend: Failed to connect to wpa_supplicant - wpa_ctrl_open: No such file or directory /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/75modules suspend suspend: /usr/lib/pm-utils/sleep.d/75modules suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/90clock suspend suspend: /usr/lib/pm-utils/sleep.d/90clock suspend suspend: not applicable. Running hook /usr/lib/pm-utils/sleep.d/94cpufreq suspend suspend: /usr/lib/pm-utils/sleep.d/94cpufreq suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/95anacron suspend suspend: stop: Unknown instance: /usr/lib/pm-utils/sleep.d/95anacron suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/95hdparm-apm suspend suspend: /usr/lib/pm-utils/sleep.d/95hdparm-apm suspend suspend: not applicable. Running hook /usr/lib/pm-utils/sleep.d/95led suspend suspend: /usr/lib/pm-utils/sleep.d/95led suspend suspend: not applicable. Running hook /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspend: nVidia binary video drive detected, not using quirks. /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/99video suspend suspend: kernel.acpi_video_flags = 0 /usr/lib/pm-utils/sleep.d/99video suspend suspend: success. Running hook /etc/pm/sleep.d/novatel_3g_suspend suspend suspend: /etc/pm/sleep.d/novatel_3g_suspend suspend suspend: success. Fri Jun 1 10:42:19 MSK 2012: performing suspend Fri Jun 1 10:42:21 MSK 2012: Awake. Fri Jun 1 10:42:21 MSK 2012: Running hooks for resume Running hook /etc/pm/sleep.d/novatel_3g_suspend resume suspend: /etc/pm/sleep.d/novatel_3g_suspend resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/99video resume suspend: /usr/lib/pm-utils/sleep.d/99video resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler resume suspend: /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/95led resume suspend: /usr/lib/pm-utils/sleep.d/95led resume suspend: not applicable. Running hook /usr/lib/pm-utils/sleep.d/95hdparm-apm resume suspend: /dev/sda: setting Advanced Power Management level to 0xfe (254) APM_level = 254 /dev/sda: setting Advanced Power Management level to 0xfe (254) APM_level = 254 /usr/lib/pm-utils/sleep.d/95hdparm-apm resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/95anacron resume suspend: /usr/lib/pm-utils/sleep.d/95anacron resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/94cpufreq resume suspend: /usr/lib/pm-utils/sleep.d/94cpufreq resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/90clock resume suspend: /usr/lib/pm-utils/sleep.d/90clock resume suspend: not applicable. Running hook /usr/lib/pm-utils/sleep.d/75modules resume suspend: Reloaded unloaded modules. /usr/lib/pm-utils/sleep.d/75modules resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant resume suspend: Failed to connect to wpa_supplicant - wpa_ctrl_open: No such file or directory /usr/lib/pm-utils/sleep.d/60_wpa_supplicant resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/55NetworkManager resume suspend: Having NetworkManager wake interfaces back up...Failed. /usr/lib/pm-utils/sleep.d/55NetworkManager resume suspend: success. Running hook /etc/pm/sleep.d/10_unattended-upgrades-hibernate resume suspend: /etc/pm/sleep.d/10_unattended-upgrades-hibernate resume suspend: success. Running hook /etc/pm/sleep.d/10_grub-common resume suspend: /etc/pm/sleep.d/10_grub-common resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/01PulseAudio resume suspend: Welcome to PulseAudio! Use "help" for usage information. >>> >>> Welcome to PulseAudio! Use "help" for usage information. >>> >>> Welcome to PulseAudio! Use "help" for usage information. >>> >>> /usr/lib/pm-utils/sleep.d/01PulseAudio resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/00powersave resume suspend: /usr/lib/pm-utils/sleep.d/00powersave resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/00logging resume suspend: /usr/lib/pm-utils/sleep.d/00logging resume suspend: success. Running hook /usr/lib/pm-utils/sleep.d/000kernel-change resume suspend: /usr/lib/pm-utils/sleep.d/000kernel-change resume suspend: success. Fri Jun 1 10:42:22 MSK 2012: Finished.

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• Qt - invalid conversion to child class

  - by David Davidson

  I'm drawing polygons using the Graphics View framework. I added a polygon to the scene with this: QGraphicsPolygonItem *poly = scene->addPolygon(QPolygonF(vector_of_QPointF)); poly->setPos(some_point); But I need to implement some custom behaviour like selection, mouse over indicator, and other similar stuff on the graphics item. So I declared a class that inherits QGraphicsPolygonItem: #include <QGraphicsPolygonItem> class GridHex : public QGraphicsPolygonItem { public: GridHex(QGraphicsItem* parent = 0); }; GridHex::GridHex(QGraphicsItem* parent) : QGraphicsPolygonItem(parent) { } Not doing much with that class so far, as you can see. But shouldn't replacing QGraphicsPolygonItem with my GridHex class? This is throwing a " invalid conversion from 'QGraphicsPolygonItem*' to 'GridHex*' " error: GridHex* poly = scene->addPolygon(QPolygonF(vector_of_QPointF)); What am I doing wrong?

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• Difficulty analyzing text from a file

  - by Nikko

  I'm running into a rather amusing error with my output on this lab and I was wondering if any of you might be able to hint at where my problem lies. The goal is find the high, low, average, sum of the record, and output original record. I started with a rather basic program to solve for one record and when I achieved this I expanded the program to work with the entire text file. Initially the program would correctly output: 346 130 982 90 656 117 595 High# Low# Sum# Average# When I expanded it to work for the entire record my output stopped working how I had wanted it to. 0 0 0 0 0 0 0 High: 0 Low: 0 Sum: 0 Average: 0 0 0 0 0 0 0 0 High: 0 Low: 0 Sum: 0 Average: 0 etc... I cant quite figure out why my ifstream just completely stopped bothering to input the values from file. I'll go take a walk and take another crack at it. If that doesn't work I'll be back here to check for any responses =) Thank you! #include <iostream> #include <fstream> #include <iomanip> #include <string> using namespace std; int main() { int num; int high = 0; int low = 1000; double average = 0; double sum = 0; int numcount = 0; int lines = 1; char endoline; ifstream inData; ofstream outData; inData.open("c:\\Users\\Nikko\\Desktop\\record5ain.txt"); outData.open("c:\\Users\\Nikko\\Desktop\\record5aout.txt"); if(!inData) //Reminds me to change path names when working on different computers. { cout << "Could not open file, program will exit" << endl; exit(1); } while(inData.get(endoline)) { if(endoline == '\n') lines++; } for(int A = 0; A < lines; A++) { for(int B = 0; B < 7; B++) { while(inData >> num) inData >> num; numcount++; sum += num; if(num < low) low = num; if(num > high) high = num; average = sum / numcount; outData << num << '\t'; } outData << "High: " << high << " " << "Low: " << low << " " << "Sum: " << sum << " " << "Average: " << average << endl; } inData.close(); outData.close(); return(0); }

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• How do i change the address of a New struct in a loop?!

  - by Yasin

  Hi guys, i'm writing a simple code which is about polynomials using link lists in C#. the problem i have is that whenever it creates a new struct (node) in the for loop it gives it the same address as the previous node was given. so how do i fix it ? here is my struct : struct poly { public int coef; public int pow; public poly* link;} ; and here is the where the problem occurs: for (; i < this.textBox1.Text.Length; i++) { q = new poly(); ...... p->link = &q; } &q remains unchanged !

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• Typecasting a floating value or using the math.h floor* functions?

  - by nobody

  Hi, I am coding up an implementation of Interpolation Search in C. The question is actually rather simple, I need to use the floating operations to do linear interpolation to find the correct index which will eventually be an integer result. In particular my probe index is: t = i + floor((((k-low)/(high-low)) * (j-i))); where, i,j,k,t are unsigned ints, and high,low are doubles. Would this be equivalent to: t = i + (unsigned int)(((k-low)/(high-low)) * (j-i)); Is there any reason I would actually want to use math.h floor* functions over just a simple (int) typecast?

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• How efficient is an if statement compared to a test that doesn't use an if? (C++)

  - by Keand64

  I need a program to get the smaller of two numbers, and I'm wondering if using a standard "if x is less than y" int a, b, low; if (a < b) low = a; else low = a; is more or less efficient than this: int a, b, low; low = b + ((a - b) & ((a - b) >> 31)); (or the variation of putting int delta = a - b at the top and rerplacing instances of a - b with that). I'm just wondering which one of these would be more efficient (or if the difference is to miniscule to be relevant), and the efficiency of if-else statements versus alternatives in general.

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• Partition loop understanding

  - by user1795732

  Why the loop body of the partition method never throws an ArrayIndexOutOfBounds Exception? public static int partition( int[] a, low, high ) { int k = low, m = low; /* loop invariant: * low <= k <= m <= high and * all elements in a[low..k-1] are RED (i.e., < pivot) and * all elements in a[k..m-1] are BLUE (i.e., >= pivot) */ while (m != high) { if (a[m] >= pivot) // a[m] is BLUE { } else { // a[m] is RED swap(a,k,m); k = k+1; } m = m+1; } return k; }

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• "...redeclared as different kind of symbol"?

  - by CodeNewb

  #include <stdio.h> #include <math.h> double integrateF(double low, double high) { double low = 0; double high = 20; double delta_x=0; double x, ans; double s = 1/2*exp((-x*x)/2); for(x=low;x<=high;x++) delta_x = x+delta_x; ans = delta_x*s; return ans; } It says that low and high are "redeclared as different type of symbol" and I don't know what that means. Basically, all I'm doing here (READ: trying) is integrating from low (which I set to 0) to high (20) to find the Riemann sum. The for loop looks kinda trippy too...I'm so lost.

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