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• Blending transition in cocos2d

  - by fiddler

  In my cocos2d-iphone game, I have 2 backgrounds (CCnodes), each containing a quite complex hierarchy of sprites. I would like to make a smooth transition between them: initially, only the first background is visible at the end, only the second one is visible Is there a good way to set the opacity of a full hierarchy of sprites ? I tried to recursively set the opacity of all the contained sprites. It kinda works except that: i guess it's not very efficient i would like the opacity of overlapping sprites to be 'merged' (as if the background was one single big sprite)

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• af:inputSlider doesn't render in popup for FF, Safari and Chrome

  - by Frank Nimphius

  A problem reported on OTN is that the af:inputSlider component of Oracle JDeveloper 11.1.2.2 doesn't show on all browsers except IE when the slider is added as the sole component in a popup. The problem reproduces with the ADF Faces component demo and I filed bug 14207690. The work around, posted by OTN user "Tses" is to set the inlineStyle property on the slider to table <af:inputNumberSlider ... inlineStyle="display:table;"/>

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• Undocumented Query Plans: The ANY Aggregate

  - by Paul White

  As usual, here’s a sample table: With some sample data: And an index that will be useful shortly: There’s a complete script to create the table and add the data at the end of this post.  There’s nothing special about the table or the data (except that I wanted to have some fun with values and data types). The Task We are asked to return distinct values of col1 and col2 , together with any one value from the thing column (it doesn’t matter which) per group.  One possible result set is shown...(read more)

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• Diminishing Returns on Additional Developers

  - by smp7d

  Is there a term to describe the point at which adding more developers to a software project will provide diminishing returns? I realize that at a high level, it is more complicated that just a number of developers at which the project will be at productive capacity (ex/ state of the project, quality of the added developer), but I am trying to come up with a way to relate this to non-technical management through repetition. I'm basically looking for a term which invokes a strong image like "terminal velocity", except for Brook's Law.

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• Should a programmer be indispensable?

  - by Tim

  As a programmer or system administrator, you could either strive to have your fingers in every system or to isolate yourself as much as possible to become an easily-substituted cog. Advantages of the latter include being able to take vacations and not being on call, while the former means that you'd always have something to do and be very difficult to fire. Aiming for either extreme would require a conscious effort. Except for the obvious ethical considerations, what should one strive for?

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• The report belongs to a package that is not installed

  - by user71700

  I have gotten the error message "The report belongs to a package that is not installed." Generally I would just ignore that since seemingly there is no problem except I got a crash report and then I said to report the problem and then I get this. Now, how can a package or program crash that is not even installed? Sounds a little paradox, isn't it? What should I do with this? Why does this even come up?

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• google chrome : http authentication issue on iframe

  - by Daniel Dzussa

  I have an HTML file with 2 links http://versionplus.in/pass/new.html, both links are in an iframe to load the contents inside the iframe. I have two protected directories one on the same server and other on another server. If you click on either link it will popup the login box, same for both links in all browsers except google chorme. google chrome doesn't show login box for the protected folder on another server, how can I fix this ?

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• install to USB without touching windows MBR

  - by Robert

  I would like as full of an install as possible (most notably no casper, just straight on the drive) on a USB stick, but I'm not allowed to touch the current configuration of the computer I'll be running it on at all (except of course changing the boot options to boot from usb). Most guides I read are about getting a live install with persistence on USB, or (I think) still replace the MBR with GRUB. Is there any way to combine the two, and not touch the underlying system?

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• nvidia 331.89 super + W causes black window

  - by Heihachi

  When i am hitting Super + W and choosing one of active window it opens. But when i am mazimizing another minimized window i am getting blank black window, if i minimize then maximize it again it works. Tried 340.24 drivers - but they are totally unusable because of interface corruption in firefox, thunderbird, libreoffice. 331.89 seems stable except this annoying black window. I am using GTX 750 ti

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• Report: Using Mozilla Prism to Run Web Apps like Local Apps on Linux

  Web-based applications are fantastic, except for that whole "running in the browser" thing. Looking to free your browser-based apps from your Web browsing? Take a look at Mozilla Prism.

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• SQL Server Connections Fall 2011 - Demos

  - by Adam Machanic

  Today is the last day of the annual SQL Server Connections show in Vegas, and I've just completed my third and final talk. (Now off to find a frosty beverage or two.) This year I did three sessions: SQL302: Parallelism and Performance: Are You Getting Full Return on Your CPU Investment? Over the past five years, multi-core processors have made the jump from semi-obscure to commonplace in the data center. While servers with 16, 32, or even 64 cores were once an out-of-reach choice for all except the...(read more)

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• Analysing Indexes - reducing scans.

  - by GrumpyOldDBA

  The whole subject of database/application tuning is sometimes akin to a black art, it's pretty easy to find your worst 20 whatever but actually seeking to reduce operational overhead can be slightly more tricky. If you ever read through my analysing indexes post you'll know I have a number of ways of seeking out ways to tune the database. -- This is a slightly different slant on one of those which produced an interesting side effect. -- We all know that except for very small tables avoiding...(read more)

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• PASS Summit 2012 Women In Technology Luncheon

  - by AllenMWhite

  My final stint at the Summit Blogger's Table(tm) is for the annual WIT luncheon. I do appreciate the honor that PASS conferred on me by inviting me to the "table" for the event, it's been a lot of fun (even if there were some moments that weren't.) Newly-elected board member Wendy Pastrick is the MC for this year's luncheon, and the panel consists of Stefanie Higgins, Denise McInerny, Kevin Kline, Jen Stirrup and Kendra Little. I'm pleased to say that I know each one of them except Stefanie Higgins,...(read more)

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• switch HDD in laptop

  - by jolly

  the internal hard drive that I have right now in my laptop is coming near its death, clicking for life, so I decided to buy a new HDD. However, I don't want to spend two weeks setting up my system to fit me as it does right now, so I thought that I can make just a hard copy of all the contents to the new disk (using dd). My question is: is it going to work? :-) What are the things that need to be changed, except fstab?

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• No Items show in dash of gnome-shell when using "Axiom" Theme?

  - by Hailwood

  I am using the awesome Axiom Gnome-Shell theme from Deviantart. The theme works perfectly except for one issue, no items show up in the dash? The actual items are there, e.g. if I type in something I know exists and then press enter it opens the program, there are simply no icons visible. Why is this? Yet after some more playing I have discovered some other funkyness, for example, if a lot of items are returned by the search you get:

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• ATI RS690m X1200 proprietary driver installation

  - by fan-dz

  I've installed Ubuntu 11.10 on my emachine e625 AMD64 (TF-20) with an ATI RS690m X1200 graphics card but I didn't have 3D acceleration. The open-source driver works, except for any video effects or acceleration… I've downloaded the driver from ATI and followed the installation instructions and here is the result: Error: ./default_policy.sh does not support version default:v2:x86_64:lib32::none:3.0.0-17-generic; make sure that the version is being correctly set by --iscurrentdistro What did I do wrong?

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• Is there a good commandline console for Windows?

  - by palto

  I usually develop with Ubuntu but now I'm forced to use Windows XP. It's actually pretty okay except the commandline is irritating. I miss resizing the window just with mouse but on windows I have to go inside the menus and change the width manually. Also copy pasting is hard from the console. You can only copy an area of the console, not individual lines. Is there any good alternatives for the default commandline console in windows?

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• How to wipe RAM on shutdown (prevent Cold Boot Attacks)?

  - by proper

  My system is encrypted using Full Disk Encryption, i.e. everything except /boot is encrypted using dmcrypt/luks. I am concerned about Cold Boot Attacks. Prior work: https://tails.boum.org/contribute/design/memory_erasure/ http://tails.boum.org/forum/Ram_Wipe_Script/ http://dee.su/liberte-security http://forum.dee.su/topic/stand-alone-implementation-of-your-ram-wipe-scripts Can you please provide instructions on how to wipe the RAM once Ubuntu is shutdown/restarted? Thanks for your efforts!

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• Using multiplication and division with delta time

  - by tesselode

  Using delta time with addition and subtraction is easy. player.x += 100 * dt However, multiplication and division complicate things a bit. For example, let's say I want the player to double his speed every second. player.x = player.x * 2 * dt I can't do this because it'll slow down the player (unless delta time is really high). Division is the same way, except it'll speed things way up. How can I handle multiplication and division with delta time?

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• Is there a way to take credit cards on my website without needing a merchant account/payment gateway?

  - by Erik

  I've been looking for a service like this but can't find one -- it boggles my mind that such a thing doesn't exist. The ideal thing I'm looking for would be something like this: User fills out a form on my website I submit data to the service (cc #, payment amount) I get paid perhaps monthly by the service the amounts that were charged (less a fee) This is more or less how accepting paypal for payments works, except it takes my users to paypal's site and forces them to create a paypal account etc, which I'd like to avoid. Does such a service exist?

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• Remapping Alt + F2 in Unity

  - by Jesse

  I disabled the Alt + F2 default shortcut in unity (ubuntu 11.10) using ccsm and I set a new shortcut using the default system shortcut manager (system settings keyboard). And it works, until I execute a command like compiz --replace. After that, all shortcuts keep working normally, except for Alt + F2. It does nothing. Any suggetions to keep the custom Alt + F2 shortcut working after compiz --replace?

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• ISC-DHCP not providing address

  - by kiler129

  I just replaced my old router using server with Ubuntu. Everything's fine except DHCP. When I tried connecting iPhone - it works: http://pastebin.com/NNEeiRLY but unfortunately some of my devices can't get IP from server, e.g. my computer: http://pastebin.com/N6LnsEWC Here's my isc configuration: http://pastebin.com/N5KQnhZV I've also tried running DHCP server as root (because of some permission denied in logs on lease file). What can I do?

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• How do I "alt-tab" between windows using Gnome 3?

  - by josmh

  All of the references I've found for Gnome 3 keyboard shortcuts list that alt+tab switches between applications and alt+` switches between windows (some actually say alt+~, but I think they're mistaken, and I've tried both anyway). Maybe that functionality works for Gnome 3 on Fedora or something, because no matter the key combo I try, nothing will switch between windows except for opening the alt+tab dialog and using arrow keys to navigate it (and at that point it's faster to just use a mouse..). How do I quickly switch between windows in Gnome 3?

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• wierd keyboard problem

  - by Sebastian

  just installed ubuntu on a acer extensa 5620 laptop. The keyboard works fine except when i want to type things that require me to use ctrl+alt+(any key), i can't use ctrl+alt+(any key) in any program, I can open terminal with ctrl+alt+t tho... and ctrl+(any key) and alt+(any key) seems to work. Also I just installed the game Heroes of Newerth and neither alt or ctrl key seems to work in the game. Any answer would be appreciated!

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• How to download apps from different OS to USB and then transfer to Ubuntu?

  - by kb67

  I just installed Ubuntu on my old desktop computer, and I have to say—I freaking love it! Except at the moment I do not have internet connection (i'm using a unsecured connection) and i'm using my Windows 7 Laptop to get a connection to the web. I would love to install some useful apps on the desktop, but I can't figure out how to do this, is there any way to download Ubuntu/Linux apps on my windows computer and put them into a USB then transfer to the desktop?

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