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• How to Programmatically Identify a PI Font (a Dingbat) under OS X

  - by Glenn Howes

  There is a class of fonts called Pi fonts whose glyphs, under OS X, get mapped to the private Unicode space 0xF021-0xF0FF such that if you subtract 0xF000 from each unicode character to retrieve the 8-bit version of the character and be able to draw that character as if it were a standard Roman character. My question is how do I recognize these fonts? It's obvious the system can do so because there is a category on the Special Characters palette called "Pi Fonts" which apparently has the various such fonts installed on my system. In my case they are BookshelSymbolSeven, MSReferenceSpeciality, MT-Extras, Marlett, MonotypeSorts, Webdings, and various Wingdings. If I use the old fashioned QuickDraw routines to ask for the TextEncoding of these fonts, I get a value of 0x20000 which I do not see in the system header file TextCommon.h. Am I supposed to treat any font with a TextEncoding of 0x20000 as a Pi Font? And I'd rather not use any QuickDraw font handling routines for obvious reasons.

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• How to create a test environnement on the production FTP

  - by Clement Herreman

  Hello, I'm currently working on a symfony webapp, which is already on production. To develop and add/delete/modify functionnality of the model, I work on my laptop, using symfony 'dev' environnemment. I test if everything work fine, then I pray a little and deploy it on the prod server (with all the risk of data error, like when I add new not null attributes on the model, prod server configuration special stuff, version of php/apache etc.). The problem is that I would like to setup a "staging" server, which would be a copy of the production server (same database, same configuration apache/php), so that, if the deployment goes bad, the production user stay untouched and working, only the staging server is down. But my client has only 1 FTP available. So, the question is : can I run 2 symfony project, with different models, on the same FTP ? Or is there another way to do what I want to do ? Thank you !

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• [Java] Force an unchecked call

  - by François Cassistat

  Hello, Sometimes, when using Java reflection or some special storing operation into Object, you end up with unchecked warnings. I got used to it and when I can't do anything about it, I document why one call is unchecked and why it should be considered as safe. But, for the first time, I've got an error about a unchecked call. This function : public <K,V extends SomeClass & SomeOtherClass<K>> void doSomethingWithSomeMap (Map map, V data); I thought that calling it this way : Map someMap = ...; SomeClass someData = ...; doSomethingWithSomeMap(someMap, someData); would give me an unchecked call warning. Jikes does a warning, but javac gives me an error : Error: <K,V>doSomethingWithSomeMap(java.util.Map<K,V>,V) in SomeClass cannot be applied to (java.util.Map,SomeClass) Any way to force it to compile with a warning? Thanks.

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• Installing PostgreSQL on Windows

  - by Ross

  I'm in a bit of a mess here. I installed PostgreSQL on my Vista computer a couple of days ago but then when asked to enter the password for the postgre user account I couldn't remember it (allegedly I was asked during setup but I don't remember that). Anyway, so I uninstalled Pg with the intention of reinstalling it, removed the user account, it's /Users/ directory and it's special privelleges ("Advanced user profile properties") but when I come to install Pg it seems to think the account still exists as when I supply a password during setup it says that it is not the correct password - meaning that the account still exists somewhere. Is there anyway I can recover this?

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• Sex appear of computer graphics: movie like UI systems

  - by anon

  It's well know that 1) the way computers actually work 2) the way computers are protrayed in movies are not the same. In particular (2) looks much much cooler than (1). Where can I learn more about making flashy, superficially useful but deepdown useless fancy graphics UIs like that? It's almost in the realm of "hollywood special effects" -- like fire/smoke/fire, but I don't want natural phenomenon; I want user interfaces. Concrete question: where can I learn about creating flashy, cool looking (though not necessairly useful) user interfaces? [Perferably in OpenGL]

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• Strange profiling results: definitely non-bottleneck method pops up

  - by jkff

  I'm profiling a program using sampling profiling in YourKit and JProfiler, and also "manually" (I launch it and press Ctrl-Break several times to get thread dumps). All three methods give me extremely strange results: some tens of percents of time spent in a 3-line method that does not even do any allocation or synchronization and doesn't have loops etc. Moreover, after I made this method into a NOP and even removed its invocation completely, the observable program performance didn't change at all (although it got a negligible memory leak, since it was a method for freeing a cheap resource). I'm thinking that this might be because of the constraints that JVM puts on the moments at which a thread's stacktrace may be taken, and it somehow turns out that in my program it is exactly the moments where this method is invoked, although there is absolutely nothing special about it or the context in which it is invoked. What can be the explanation for this phenomenon? What are the aforementioned constraints? What further measurements can I take to clarify the situation?

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• How do you scroll one area of a page using Android's web browser?

  - by Pete

  On the iPhone, safari strips out scrollbars on divs that have overflow set to auto or scroll, but still lets the user scroll with the two-finger swipe gesture. Using an HTC Incredible, we see the scrollbars are again missing, but we cannot figure out any gesture that allows the user to scroll. Is there a special directive we need to add to our HTML? This should affect zillions of websites, any time someone is trying to scroll an area of the page rather than the whole page. Does anyone know how to enable scrolling a div using the web browser on Android phones?

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• Statement hierarchy in programming languages

  - by sudo

  I quickly wrote an interpreter for some sort of experimental programing language i came up with, in PHP (yes, in PHP). The language itself doesn't have anything really special, I just wanted to give it a try. I got the basic things working (Hello World, input to output, string manipulation, arithmetics) but I'm getting stuck with the management of blocks and grouped statements. What I mean is: PHP and most other languages let you do this: ((2+2)*(8+2)+2), of course not only with mathematical computations. My program structure currently consists of a multidimensional array built like this: ID => Type (Identifier, String, Int, Newline, EOF, Comma, ...) Contents (If identifier, int or string) How could I allow statements to be executed in a defined order like in the PHP example above?

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• Seam page navigation with includes

  - by Marc

  Hello, I'm using seam page navigation rules. and did not experience any problem with adding rules which redirect from one page to another. But since I designed my page views using those redirection simply don't happen anymore for those pages. Tried to define the rule to the view that gets included, then to the view that includes the others (which to me was making more sense) but none work. Is there anything special about page navigation in seam using included view-id ? I'm using jsf, xhtml as my page views. Thanks

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• Regular expression to validate name in .NET multilingual web application

  - by BT

  Hi, how can i write a regular expression to validate name field in a multilingual web application, i want to validate the name field for non-English languages e.g. Spanish or German, and we need to make sure that no one enter digits or special characters. I'm using .NET. I believe we can't use expression as below for non-English language. ^[a-zA-Z]{1,20}$ Any help will be highly appreciated! Solution: I'm using this regular expression ^\p{L}[\p{L}\p{Pd}\x27]*\p{L}$ , and the below MSISDN article was very helpful: MSDN - Regular Expression Also below tool is very helpful, in validating your regular expression: Regex Builder

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• How do I manually log a user in with a MembershipProvider?

  - by Allen

  I'm experimenting with writing my own custom MembershipProvider in asp.net and I want to roll my own login page. We do some fairly special stuff at login time so we can't use the default login control so I need a way to manually log a user in. So far I haven't found anything on how to write your own login control so I'm here, wondering how I can manually log a user in via a MembershipProvider. I've tried Membership.ValidateUser("user", "pass"); and while that does call ValidateUser() on my custom MembershipProvider, and it does return true, it doesn't actually log me in. Btw I'm fairly new to the whole MembershipProvider stuff so if I'm not even on the right wavelength, feel free to let me know.

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• Problem compiling bison & flex program under vc++

  - by Eric

  I'm using bison & flex (downloaded via cygwin) with vc++. When I compile the program I got an error: ...: fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory The corresponding code in the flex-generated file is: #ifndef YY_NO_UNISTD_H /* Special case for "unistd.h", since it is non-ANSI. We include it way * down here because we want the user's section 1 to have been scanned first. * The user has a chance to override it with an option. */ /* %if-c-only */ #include <unistd.h> /* %endif */ /* %if-c++-only */ /* %endif */ #endif If I define YY_NO_UNISTD_H in the flex file(.l) this error will disappear, but I get several other errors: ...: error C2447: '{' : missing function header (old-style formal list?) ...: warning C4018: '<' : signed/unsigned mismatch ...: error C3861: 'isatty': identifier not found How can I fix this problem?

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• Printing array with delimiters in Perl

  - by Mark B

  I have an array in Perl I want to print with space delimiters between each element, except every 10th element which should be newline delimited. There aren't any spaces in the elements if that matters. I've written a function to do it with for and a counter, but I wondered if there's a better/shorter/canonical Perl way, perhaps a special join syntax or similar. My function to illustrate: sub PrintArrayWithNewlines { my $counter = 0; my $newlineIndex = shift @_; foreach my $item (@_) { ++$counter; print "$item"; if($counter == $newlineIndex) { $counter = 0; print "\n"; } else { print " "; } } }

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• Connect to https:// webservice in asp.net app

  - by webnoob

  Hi All, I have an ASP.NET website that is contacting a webservice. Everything works fine connecting via http but when I try https:// it can't connect. I don't seem to get any error from the website and the webservice logs show nothing, meaning nothing has connected to it. I can connect to my https:// webservice from a site like soapclient.com and request information, so the webservice and ports are working. Is there anything special I should be doing in order to connect to a https:// webservice over a normal http:// one in .NET? All I am doing at the moment is changing the URL it is connecting to to my secure one instead. I am using ASP.NET 2, IIS7 Thanks in advance.

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• Path element of Siverlight issue

  - by George2

  Hello everyone, Suppose I have the following XAML code, my confusions are, (1) I do not know the exact meaning of Data attribute, especially items starts with letter M/C, (2) there is no special configuration for TransformGroup (all using default settings), why put the TransformGroup here? <Path Height="2.75" Width="2.75" Data="M2.75,1.375 C2.75,2.1343915 2.1343915,2.75 1.375,2.75 C0.61560845,2.75 0,2.1343915 0,1.375 C0,0.61560845 0.61560845,0 1.375,0 C2.1343915,0 2.75,0.61560845 2.75,1.375 z" Fill="#FF9F9B9B" Stretch="Fill" Stroke="#FF000000" StrokeThickness="0" Canvas.Top="7" x:Name="p3"> <Path.RenderTransform> <TransformGroup> <ScaleTransform/> <SkewTransform/> <RotateTransform/> <TranslateTransform/> </TransformGroup> </Path.RenderTransform> </Path> thanks in advance, George

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• Cross-platform GUI toolkits with WPF-style composition capabilities

  - by Alexey Romanov

  A huge advantage of WPF over, say, WinForms is its composability. To quote Programming WPF: One level up, WPF provides its “content model,” which allows any control to host any group of other controls. You don’t have to build special BitmapButton or IconComboBox classes; you put as many images, shapes, videos, 3D models, or whatever into a Button (or a ComboBox, ListBox, etc.) as suit your fancy. Are there any cross-platform GUI frameworks (preferably with Java bindings) out there which also let you do this?

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• Got blue screen with a warning that I boot loader may not be properly configured, workaround?

  - by JohnHF

  After running sudo apt-get update got this message: Configuring grub-pc You chose not to install GRUB to any devices. If you continue, the boot loader may not be properly configured, and when your computer next starts up it will use whatever was previously in the boot sector. If there is an earlier version of GRUB 2 in the boot sector, it may be unable to load modules or handle the current configuration file. If you are already running a different boot loader and want to carry on doing so, or if this is a special environment where you do not need a boot loader, then you should continue anyway. Otherwise, you should install GRUB somewhere. Continue without installing GRUB? <Yes> <No> Apparently there is a bug in ubuntu 10.04. But this hang the system. Any ideas on how to fix this? All I wanted was to install gcc that is missing.

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• magic records being deleted

  - by chris

  i have customised oscommerce to pull in a csv file of products, delete anything thats not with an image/proper description/proper title gets removed. The import runs on a cron job basis pulling information from a supplier, it hasnt run since yesterday but a product has disappeared- Anyone who has used oscommerce will know that, product information is stored over multiple tables. example is- products product_description and so on. the thing that has got me that the information is deleted from the product table but not from the product_description table. The product that is being deleted is a manually input one which carries a special tag/prefix on the model item of the product table. Therefore shouldn't be touched at all. Am clueles as what is going on. Is there mysql integrity checks deleting records? could there be another plugin working on oscommerce?

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• Writing a simple incrementing counter in rails

  - by Trip

  For every Card, I would like to attach a special number to them that increments by one. I assume I can do this all in the controller. def create @card = Card.new(params[:card]) @card.SpecNum = @card.SpecNum ++ ... end Or. I can be blatantly retarded. And maybe the best bet is to add an auto-incremement table to mysql. The problem is the number has to start at a specific number, 1020. Any ideas?

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• Fastest way to compress a database or .bak file and transfer it

  - by Nai

  As per the question title. I wonder if there are special programmes or commands that makes zipping up a .bak file and transferring it super quick. I read abour xp_cmdshell here but I'm not sure about the speed. My .bak file is about 12 gigs at the moment. Related to this is the possibility of using Red Gate's SQL Data Compare to just transfer the differential data across the network pipeline but I have never used SQL Data Compare before and I'm not sure how it goes about doing INSERTS on tables with Primary Keys and such. Also, not sure about the speed. Does anyone have any experience with this programme or similar programmes? Cheers!

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• ASP.NET & Oracle Windows Authentication - Is this possible?

  - by user118190

  I am trying to enable Windows Authentication on my IIS 6.0 Server with some client technology and Oracle DB server. When I load the ASPX page and have unchecked Anonymous Access and checked Integrated Windows Authentication, I can see my LOGON_USER credentials on the server via tracing. I am now trying to see if the same user can read data from a LINUX-based Oracle server. I can't seem to pass over the credentials! How can I connect to Oracle? Anything special I should know about in terms of web.config files? Another question is, I'm assuming the Oracle server should be 'hooked' to Active Directory? How about manually adding users to the allowed tables? What about Oracle's LDAP, OID? Can anyone direct me to a good link for reference?

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• System context menu Icon not transparent like WinRAR

  - by Samir

  I added a icon at the system context menu(the popped up menu when we right mouse click on any file/foler). But the icon is not transparent(in xp its not notice able, but in vista/win7 it is clearly visible) there is a white background beneath the icon. But WinRAR or TortoiseSVN icons don't have any white background, they are transparent. I tried the following C++ code: #define BITMAP_MAIN 201 //in resource.h BITMAP_MAIN BITMAP "main.bmp" // in .rc file // showing icon in menu... HBITMAP imgMain = LoadBitmap( aHinstance, MAKEINTRESOURCE(BITMAP_MAIN) ); SetMenuItemBitmaps ( hSubmenu, uMenuIndex, MF_BYPOSITION, imgMain, imgMain); [main.bmp is 16X16] Also the icon(.bmp) is not shown fully in non-english OS. So is there be any special technique to make the icon in the system context menu transparent like WinRAR?

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• Data mining logs to locate a bug

  - by gooli

  I'm working on a data distribution application which receives data from a source and distributes that data to multiple target application. After successfully distributing several messages each second for 8 days, it missed a single message and did not deliver it properly to the clients. As I was looking at the logs I tried to find something there that was special for the time the miss happend - either in the data, its rate or some other condition but couldn't find anything. Is there any data mining technique I can use to identify how that specific event differs from other events?

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• Does Displaytag stash the "media type" in a page or request attribute?

  - by Pointy

  When you enable "export" from Displaytag, the tag code gives you links with special magic parameters that the tag recognizes as indicators that the table contents should be exported (as CSV, Excel, whatever). Well I'm interested in detecting the media type so that (for example) I can exclude columns that make no sense in an export (embedded action buttons, for one thing, or checkboxes for row selection). I suppose I could write a table decorator and use that to stick the media type on the request, but it'd be nice to avoid that if the tag already does it. The documentation is not clear on the subject; I guess I can start digging through the source code too.

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• How are Flash library symbols constructed? Why are width/height already available in constructor?

  - by Triynko

  Suppose I draw a square on the stage, convert it to a symbol, export it for ActionScript with a classname of "MySquare" (and of course a base class of MovieClip). How is it that in the MySquare constructor, the width and height of this MovieClip are already available? In fact, any named instances in the clip are also available. I'm confused about how the Flash player seems to be able to pre-construct my movie clip by populating its properties and child clips before my constructor for the class ever runs. I thought that it would have to first construct the clip, calling my constructor code, and then construct and add any children, but obviously the player is doing something special for clips designed in the Flash authoring environment.

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