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• How to provide custom connection string for Logging Application Block instead of using the one in .c

  - by Rory

  I'm modifying an existing winforms application to use the Logging Application Block. For historical reasons this app gets its main database connection string from the registry, and I'd like the Logging Application Block to use the same details for logging to the database. How can I do this? The approaches i can think of are: 1) Create a new TraceListener and implement the same sort of functionality as in FormattedDatabaseTraceListener. If I take this approach, should I inherit from CustomTraceListener, and if so how do I pass an attribute of the formatter to use? 2) Create a new ConfigurationSource that provides different details when asked for the database connection. All other requests would be passed through to a FileConfigurationSource, but when asked for the database connection details the object would read the appropriate bits from the registry instead. but it's not obvious which is more appropriate, or how to go about doing it. Any suggestions? I'm using EntLib 3.1. thanks, -Rory

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• How do I rate limit google's crawl of my class C IP block?

  - by Zak

  I have several sites in a class C network that all get crawled by google on a pretty regular basis. Normally this is fine. However, when google starts crawling all the sites at the same time, the small set of servers that back this IP block can take a pretty big hit on load. With google webmaster tools, you can rate limit the googlebot on a given domain, but I haven't found a way to limit the bot across an IP network yet. Anyone have experience with this? How did you fix it?

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• Silverlight - How do I make each item in a list box be the same height?

  - by NotDan

  How can I make a silverlight listbox have all items be the same size and have them take up 100% of the listbox height. I.e. 1 item would be the height of the listbox, 2 items would each be 50% of the height of the list box, etc... Edit - Here is the code public class UniformPanel : Panel { protected override Size MeasureOverride(Size availableSize) { Size panelDesiredSize = new Size(); for (int i = 0; i < Children.Count; i++) { UIElement child = Children[i]; child.Measure(availableSize); var childDesiredSize = child.DesiredSize; panelDesiredSize.Height += childDesiredSize.Height; if (panelDesiredSize.Width < childDesiredSize.Width) { panelDesiredSize.Width = childDesiredSize.Width; } } return panelDesiredSize; } protected override Size ArrangeOverride(Size finalSize) { double height = finalSize.Height/Children.Count; for (int i = 0; i < Children.Count; i++) { UIElement child = Children[i]; Size size = new Size(finalSize.Width, height); child.Arrange(new Rect(new Point(0, i * height), size)); } return finalSize; // Returns the final Arranged size } }

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• faster way to draw an image

  - by iHorse

  im trying to combine two images into a single image. unfortunately this has to be done very quickly in response to a user sliding a UISlider. i can combine the two images into a single image no problem. but the way I'm doing it is horribly slow. the sliders stick and jump rather frustratingly. i don't think i can throw the code into a background thread because i would run out of threads to quickly. i haven't actually tired that yet. below is my code. any ideas on how to speed it up would be helpful. UIGraphicsBeginImageContext(CGSizeMake(bodyImage.theImage.image.size.width * 1.2, bodyImage.theImage.image.size.height * 1.2)); [bodyImage.theImage.image drawInRect: CGRectMake(-2 + ((bodyImage.theImage.image.size.width * 1.2) - bodyImage.theImage.image.size.width)/2, kHeadAdjust, bodyImage.theImage.image.size.width * bodyImage.currentScale, bodyImage.theImage.image.size.height * bodyImage.currentScale)]; if(isCustHead) { [Head.theImage.image drawInRect: CGRectMake((bodyImage.theImage.image.size.width * 1.2 - headWidth)/2 - 11, 0, headWidth * 0.92, headWidth * (Head.theImage.image.size.height/Head.theImage.image.size.width) * 0.92)]; } else { [Head.theImage.image drawInRect: CGRectMake((bodyImage.theImage.image.size.width * 1.2 - (headWidth * defaultHeadAdjust))/2 - 10, 0, (headWidth * defaultHeadAdjust * 0.92), (headWidth * defaultHeadAdjust) * (Head.theImage.image.size.height/Head.theImage.image.size.width) * 0.92)]; } drawSurface.theImage.image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();

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• nmake: can a batch file run as a art of a command block, affect the environment of the nmake.exe pro

  - by Cheeso

  I think in nmake if I do this: example : set value=77 echo %%value%% The result will display 77 on the console. Is there a way for me to invoke a .cmd or .bat file that will affect the environment of the nmake.exe process? Suppose I put the statement set value=77 in a file called "setvalue.cmd". Then change the makefile to this: example : setvalue echo %%value%% I get: %value% Alternatively, if there's a way to set a macro within a command block, that would also work. Or, a way to set the value of a macro from a batch file, even outside a command block.

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• How do I specify the block object / predicate required by NSDictionary's keysOfEntriesPassingTest ?

  - by Todd

  For learning (not practical -- yet) purposes, I'd like to use the following method on an NSDictionary to give me back a set of keys that have values using a test I've defined. Unfortunately have no idea how to specify the predicate. NSDictionary keysOfEntriesPassingTest: - (NSSet *)keysOfEntriesPassingTest:(BOOL (^)(id key, id obj, BOOL *stop))predicate Let's say for example all my values are NSURLs, and I'd like to get back all the URLs that are on port 8080. Here's my stab at coding that -- though it doesn't really make sense to me that it'd be correct: NSSet * mySet = [myDict keysOfEntriesPassingTest:^(id key, id obj, BOOL *stop) { if( [[obj port] isEqual: [NSNumber numberWithInt: 8080]]) { return key; }] And that's because I get back the following compiler error: incompatible block pointer types initializing 'void (^)(struct objc_object *, struct objc_object *, BOOL *)', expected 'BOOL (^)(struct objc_object *, struct objc_object *, BOOL *)' What am I missing? I'd appreciate a pointer at some docs that go into more detail about the "Block object" that the predicate is supposed to be. Thanks!

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• Why is the size of antivirus greater than that of anti malware? [on hold]

  - by Mistu4u

  Recently my computer was attacked by different kinds of worms and my computer was slowed down. So I tried to remove them by installing Avast free antivirus. The worms were copying themselves rapidly. But after installing avast, I observed it only blocked new copy of the worms to be created but could not delete the already created worms, even it could not find worms in a good amount. Then I downloaded Malwarewbyte Anti Malware and to my surprise I found out its service was way too better than Avast antivirus. It detected and deleted almost 2065 worms and malwares from my computer and now my computer is doing fine. As far as I know, anti malware functionality is also included in Antivirus, But then also its performance is poor. Now my question is if performance of antiviruses are meat to be poor than Antimalwares, then why the size of Avast is 179Mb and the size of Malwarebyte is 9.81mb?

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• How can I set the PowerShell default window size in Windows 7?

  - by Nate

  In Windows 7, how can I set the default PowerShell window size? By default it comes up too tall for the netbook screen I am working with. I have tried the usual way of changing the size—by clicking in the upper-left corner and choosing “Properties”—but it tells me: Unable to modify the shortcut: . Check to make sure it has not been deleted or renamed. (yes, there is a dot in the middle of the error message) I also tried right-clicking on the PowerShell shortcut in the Start menu and changing properties there, however, the changes don’t seem to stick.

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• What is the purpose of the colon before a block in Python?

  - by Joshua Swink

  What is the purpose of the colon before a block in Python? Example: if n == 0: print "The end"

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• How to give virtual machine access to the Internet, but block from LAN?

  - by Pekka

  I am setting up a virtual machine using Microsoft Virtual PC in Windows 7. The VM will run a Windows XP. I want to set up a public-facing server in it for web pages, subversion and other things, and instruct the router to port forward any requests to that Virtual Machine. I managed to do that - I assigned the VM to the network adapter, and it is now acting as just another DHCP client - but to increase security I would like to block the VM from the rest of the LAN, so it accepts only incoming connections from the Internet. For this to be effective in case of a compromise, it would have to happen on VM level as far as I can see. Can this be done?

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• Why TVs are costlier than Monitor for same screen size?

  - by Vikrant Chaudhary

  Just wondering, why LCD/LED-backlit TVs cost more (almost double) than LCD/LED-backlit monitors for same screen size. Because I guess that TVs and Monitors, both use almost same technologies and both nowadays support some common connectors (HDMI/D-Sub/DVI etc). And since a Monitor has much higher resolution than a TV for that size, and they are used more closely than TVs, Monitors probably require more engineering effort. So, Monitors are supposed to be costlier than TVs, right? Ex: A ViewSonic (or any) 22"/26" monitor supports Full-HD resolution at 1080p (WSXGA+-1680×1050, WUXGA-1920×1200), while all 22"/26" HDTVs support HD-ready 720p (WXGA-1366x768) only, which is also the resolution of my Notebook's 15.6" screen.

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• My 3D object (opengl es) is disappearing behind the iPhone camera view

  - by KLC

  I have an augmented reality iPhone app that I am converting from Core Animation to OpenGL ES 1.1. I have added code that has been modified from the Apple OpenGL template. My problem is that my 3D object , when translating along the negative Z-axis (away from the user), appears to disappear into the camera view, until its completely gone. I have experimented with several solutions, but to no avail. What I have determined: Using the 3D icosahedron from Jeff Lamarche's blog here, the object starts it at 0,0,0 and then translates with decreasing z coordinates. By the time the z value reaches -2.0f, the object is gone. It appears as if it is disappearing behind the camera view. This is how I set my frustrum & viewport (unchanged from Apple's code) glMatrixMode(GL_PROJECTION); size = zNear * tanf(DEGREES_TO_RADIANS(fieldOfView) / 2.0); //Grab the size of the screen CGRect rect = self.bounds; glFrustumf(-size, size, -size / (rect.size.width / rect.size.height), size / (rect.size.width / rect.size.height), zNear, zFar); glViewport(0, 0, rect.size.width, rect.size.height); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); What I have tried: The camera view is the main view and several other views are added to it as subviews, including the openGLView. I have commented those views out for test purposes. I have applied CATransforms to move the openGLView in the z direction -500 and +500, and done the same to the camera view. I have also changed the zFar in the above code to 1.0f, and it still disappears at z position of -2.0, which doesn't make sense (shouldn't it disappear at z=1.0?) My experimentation has got me more confused than when I started ( which usually means I am missing a key piece, but I can't figure out what). Thanks for your help.

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• Is there a way to determine the original size or file count of a 7-zip archive?

  - by Zac B

  I know that when I compress an archive with the 7za utility, it gives me stats like the number of files processed and the amount of bytes processed (the original size of the data). Is it possible, using the commandline (on linux) or some programming language, to determine: the original size of an archive, before it was compressed? the number of files/directories contained within an archive? The answer might be "no, just decompress the whole archive and do counting/sizing then", but it would be useful to know if there was a faster/less space-greedy way.

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• How to block own rpcap traffic where tshark is running?

  - by Pankaj Goyal

  Platform :- Fedora 13 32-bit machine RemoteMachine$ ./rpcapd -n ClientMachine$ tshark -w "filename" -i "any interface name" As soon as capture starts without any capture filter, thousands of packets get captured. Rpcapd binds to 2002 port by default and while establishing the connection it sends a randomly chosen port number to the client for further communication. Both client and server machines exchange tcp packets through randomly chosen ports. So, I cannot even specify the capture filter to block this rpcap related tcp traffic. Wireshark & tshark for Windows have an option "Do not capture own Rpcap Traffic" in Remote Settings in Edit Interface Dialog box. But there is no such option in tshark for linux. It will be also better if anyone can tell me how wireshark blocks rpcap traffic....

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• How do I find out the total size (MBs) of my Outlook 2003 inbox?

  - by Jared Updike

  Our work just added an inbox quota size and I'm curious how close I am to reaching it.

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• Must I call -deleteRowsAtIndexPaths:withRowAnimation: inside an -beginUpdates -endUpdates block?

  - by mystify

  Must I call -deleteRowsAtIndexPaths:withRowAnimation: inside an -beginUpdates -endUpdates block?

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• Increasing a Linux partition once VM size increased in vSphere?

  - by dannymcc

  I have a Ubuntu 12.04 VM running on VMWares ESXi 5.1. The server (VM) itself has run out of space, the results of df -h are as follows: Filesystem Size Used Avail Use% Mounted on /dev/sda1 19G 17G 1.2G 94% / udev 490M 4.0K 490M 1% /dev tmpfs 200M 232K 199M 1% /run none 5.0M 0 5.0M 0% /run/lock none 498M 0 498M 0% /run/shm The original VM HDD size was just under 19GB which is I have now increased to 100GB within the vCenter GUI: Is there a simple way of doing this? The VM doesn't seem to acknowledge the increase at all.

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• How to get a maximum file size of VZFS parition?

  - by Nulldevice

  I have a VPS hosting with a VZFS file system. How can I determine maximum file size of VZFS partition? UPD: Free space (or total space) is not what i need. Sometimes file cannot occupy a hole partition volume - fat16 with 2Gb limit is a good example. I need to use a large database file (say, 64Gb) and so I need to know if a file system of VPS hosting will cope with it. It is easy to calculate for an ext3 filesystem using tune2fs, but VPS uses VSFS by Virtuozzo, and it is documented bad. Is it any generic way to calculate maximum file size for some filesystem in linux?

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• how do I zoom to normal text size in vs2008?

  - by gerryLowry

  I can not find any help on this issue in vs2008 help, Google, or SO. Scenario: I'm looking at a source file in vs2008 SP1; Windows 2003 Server SP2 Standard Edition, 1280x1024. The irrelevant name of this file is index.aspx. What is relevant is that the file has only 65 lines of code. The print is unreadably small--less than 4 point. It uses less than a third of the vs2008 text window vertically and less that a quarter of the vs2008 text window horizontally. It's not just index.aspx; e.g. another file with 142 lines only fills about 3/4 of the vs2008 text window vertically and less that a quarter of the vs2008 text window horizontally. Possible cause: Probably, but not certainly, I found the equivalent of zoom in/zoom out such as one finds in products like Microsoft Word. However, I've explored many vs2008 toolbars and other customization options and unfortunately I can not find out how to get myself out of this mess. Window, Reset Window Layout has no effect on the text size; my tiny text size did not change. QUESTION: how do I zoom vs2008 text size in and out and back to normal size? Thank you. Regards ~~ Gerry (Lowry)

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• How can I get Windows 7 to remember program windows size and position?

  - by Ben

  I can open Outlook and it fills about half of the screen. I then maximize it to read some mail and then minimize it to do some other work. When I click on it again in the taskbar, it is back to the original size that it opened at. I have tried Ctrl-close and Ctrl-maximize but neither seems to work. This also happens with Explorer windows, AutoCAD, Revit, and other programs that I work with. Shouldn't a minimize and a maximize bring the window back to the last size and position?

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• How to invoke an Objective-C Block via the LLVM C++ API?

  - by smokris

  Say, for example, I have an Objective-C compiled Module that contains something like the following: typedef bool (^BoolBlock)(void); BoolBlock returnABlock(void) { return Block_copy(^bool(void){ printf("Block executing.\n"); return YES; }); } ...then, using the LLVM C++ API, I load that Module and create a CallInst to call the returnABlock() function: Function *returnABlockFunction = returnABlockModule->getFunction(std::string("returnABlock")); CallInst *returnABlockCall = CallInst::Create(returnABlockFunction, "returnABlockCall", entryBlock); How can I then invoke the Block returned via the returnABlockCall object?

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• How to monitor the size of files in Windows folder?

  - by zladuric

  What are some of good ways to automatically monitor the size of files in a directory and send warning email if they get close to a certain limit on a Windows server? I have a Progress DB installation to keep in check, and last week we hit some problems. Apparently, the size of extents has hit 2GB - and Progress won't work past that - we needed to open a new extent. I'm coming from a Linux environment, so I don't know what are the usual to monitor this in a Windows environment (or monitoring tools whatsoever). I prefer some generic solution, as I have a mixed environment (Windows 2000, Windows Server 2003, Windows Server 2008 R2). Thanks in advance for all usable alternative answers.

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• What could cause a PHP error on an include statement?

  - by J Jones

  I've got a bug in my PHP code that's been terrorizing me for several days now. I'm trying to clasp in a new module to an existing Magento (v1.4) site, though I'm very new to the Magento framework. I think I am pretty close to getting to "Hello, World" on a block that I want displayed in the backend, but I'm getting a 500 error when the menu item is selected. I managed to track it down (using echo stmts) to a line in the Layout.php file (app\code\core\Mage\Core\Model\Layout.php, line 472ish): if (class_exists($block, false) || mageFindClassFile($block)) { $temp = $block; echo "<p>before constructor: $temp</p>"; $block = new $block($attributes); echo "<p>after constructor: $temp</p>"; } For my block, this yields only "before constructor...", so I know this is what is failing. A little more debugging reveals that the class in $block (the new block I am trying to show) does not exist. I would have expected the __autoload function to take care of this, but none of my echos in __autoload are displaying. As a last ditch effort, I tried an include statement in Mage.php to the absolute location of the block class, but similar before and after echos reveal that that include statement becomes the breaking line. I'm tempted to start thinking "permissions", but I'm not well versed in the server management side of all this, and I have limited access to the test server (the test server belongs to the client). To anticipate the question: there are no errors reported in the PHP log file. I am actually not convinced that this site is reporting errors to the log file (I haven't seen anything from this site), though the client is certain that everything is turned on. IIS 7. Integrated mode, I'm pretty sure. Anyone know what could be causing this?

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• how to block select, move, copy, paste in vi?

  - by gojira

  I am trying to migrate from Notepad++ to vi. In N++, I constantly rely on block edit (or "column mode"), as it is a great increase in productivity: I can select a rectangular area of text by pressing ALT before marking with the mouse, and copy, move, paste the rectangular area anywhere. Also, it is possible to drag the cursor vertically so that I can type simulatenously on several subsequent lines at the same time. Is there any similar functionality for vi? If yes, how can I do that?

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• OpenGL ES - how to keep some object at a fixed size?

  - by OMH

  I'm working on a little game in OpenGL ES. In the background, there is a world/map. The map is just a large texture. Zoom/pinch/pan is used to move around. And I'm using glOrthof (left, right, bottom, top, zNear, zFar) to implement the zoom/pinch. When I zoom in, the sprites on top of the map is also zoomed in. But I would like to have some sprites stay at a fixed size. I could probably calculate a scale factor, depending on the parameters to glOrthof, but there must be a more natural and straightforward way of doing that, instead of scaling the sprites down when I zoom in. If I add some text or some GUI elements on top of the map, they should definately have a fixed size. Is there a solution to do this, or do I have to leave fixed values in glOrthof and implement zoom/pinch in another way? EDIT: To be more clear: I want sprites that zoom in/out along with the map, but stay at the same size. I have some elements that are like the pins on the iPhone's map application. When you zoom, the pins stay the same size, but move around on the screen to stay on the same spot on the map. That is mainly what I want a solution for. Solutions for this already came below, thanks!

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