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  • SQL Server view: how to add missing rows using interpolation

    - by Christopher Klein
    Running into a problem. I have a table defined to hold the values of the daily treasury yield curve. It's a pretty simple table used for historical lookup of values. There are notibly some gaps in the table on year 4, 6, 8, 9, 11-19 and 21-29. The formula is pretty simple in that to calculate year 4 it's 0.5*Year3Value + 0.5*Year5Value. The problem is how can I write a VIEW that can return the missing years? I could probably do it in a stored procedure but the end result needs to be a view.

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  • How to customize form web part to include multiple columns in search??

    - by Sushant
    Hi, I have edited my form web part to look like this. I am a newbie to moss. As i understand, form web part allows only 1 column to be mapped to my list at a time. I need to configure to it have multiple columns mapped to my list view. Do I need to change any javascript function or use sharepoint designer. I have spent a week trying to accomplish this. Stillon a dead end. Please give some detailed information on how to accomplish this. Any guidance would be extremely helpful. Thanks in advance.

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  • bash bcmath functions

    - by Gordon
    I have two functions for GNU bc in a Bash script. BC_CEIL="define ceil(x) { if (x>0) { if (x%1>0) return x+(1-(x%1)) else return x } else return -1*floor(-1*x) }\n" BC_FLOOR="define floor(x) { if (x>0) return x-(x%1) else return -1*ceil(-1*x) }\n" echo -e "scale=2"$BC_CEIL$BC_FLOOR"ceil(2.5)" | bc Both functions work fine in interactive bc. bc does not seem to allow multiple functions on one line separated by ; though, so I have to echo -n | bc with newlines at the end of each function. The above output is 2.5, not the expected 3.0 that I get if I type it into bc -i myself. It seems that bash calls bc for each line of echo output, rather than echo'ing it all to a single instance. Is there any workaround for this?

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  • Getting w3validation error

    - by Dinesh
    I am trying to validate my page and getting the following w3 validation error for the following line, <li ><a href="javascript:void(0);"title="Test 33">Test 33</a> - attributes construct error - Couldn't find end of Start Tag a line ..... - Opening and ending tag mismatch: li line ... and a I am using following doctype <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> Whats wrong with code ? Kindly advice on this.

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  • How should I deploy a patch to a Passenger-based production Rails application without downtime?

    - by Olly
    I have a Passenger-based production Rails application which has thousands of users. Occasionally we need to apply a code patch (we use git) and the current process for doing this (you can assume there are no data migrations) is: Perform git pull origin [production-branch-name] on the server touch tmp/restart.txt to restart Passenger This allows us to patch the server without having to resort to putting up a maintenance page, which is great, but it doesn't feel quite right since it's not actually a proper 'deployment', and we still need to manually update the revision file and our deployment doesn't appear in the Hoptoad or NewRelic services we use. Ideally I would run cap production deploy and just let the standard Capistrano deployment script take care of everything, but is this a dangerous thing to do without putting up a maintenance page? This deployment process seems to be fairly safe in that the new revision is deployed to a completely separate folder and only right at the end of the process is a symlink re-created to switch the currently deployed version, but I'm still fairly paranoid about this somehow resulting in a lost or failed request.

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  • Should I obscure primary key values?

    - by Scott
    I'm building a web application where the front end is a highly-specialized search engine. Searching is handled at the main URL, and the user is passed off to a sub-directory when they click on a search result for a more detailed display. This hand-off is being done as a GET request with the primary key being passed in the query string. I seem to recall reading somewhere that exposing primary keys to the user was not a good idea, so I decided to implement reversible encryption. I'm starting to wonder if I'm just being paranoid. The reversible encryption (base64) is probably easily broken by anybody who cares to try, makes the URLs very ugly, and also longer than they otherwise would be. Should I just drop the encryption and send my primary keys in the clear?

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  • Returning an array of tm* structs from a function

    - by paultop6
    Hi Guys, Im trying to create an array of tm* structs, and then return them at the end of the function. This is what i have at the moment: struct tm* BusinessLogicLayer::GetNoResponceTime() { struct tm* time_v[3]; struct tm* time_save; int s = 3; time_save = LastSavedTime(); time_v[0] = time_save; sleep(5); time_save = LastSavedTime(); time_v[1] = time_save; sleep(5); time_save = LastSavedTime(); time_v[2] = time_save; return time_v; } I understand that given the code i have now it will not be possible to return the array, because it will be destroyed when the function ends. Can anyone help me with regards to how i would go about being able to access the array from the returned value after the function has ended? Regards Paul

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  • regex to match postgresql bytea

    - by filiprem
    In PostgreSQL, there is a BLOB datatype called bytea. It's just an array of bytes. bytea literals are output in the following way: '\\037\\213\\010\\010\\005`Us\\000\\0001.fp3\'\\223\\222%' See PostgreSQL docs for full definition of the format. I'm trying to construct a Perl regular expression which will match any such string. It should also match standard ANSI SQL string literals, like 'Joe', 'Joe''s Mom', 'Fish Called ''Wendy''' It should also match backslash-escaped variant: 'Joe\'s Mom', . First aproach (shown below) works only for some bytea representations. s{ ' # Opening apostrophe (?: # Start group [^\\\'] # Anything but a backslash or an apostrophe | # or \\ . # Backslash and anything | # or \'\' # Double apostrophe )* # End of group ' # Closing apostrophe }{LITERAL_REPLACED}xgo; For other (longer ones, with many escaped apostrophes, Perl gives such warning: Complex regular subexpression recursion limit (32766) exceeded at ./sqa.pl line 33, < line 1. So I am looking for a better (but still regex-based) solution, it probably requires some regex alchemy (avoiding backreferences and all).

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  • java keytool question

    - by user384706
    Hi, I created a java keystore programmatically of type jks (i.e. default type). It is initially empty so I created a DSA certificate. keytool -genkey -alias myCert -v -keystore trivial.keystore How can I see the public and private keys? I.e. is there a command that prints the private key of my certificate? I could only find keytool -certreq which in my understanding prints the certificate as a whole: -----BEGIN NEW CERTIFICATE REQUEST----- MIICaTCCAicCAQAwZTELMAkGA1UEBhMCR1IxDzANBgNVBAgTBkdyZWVjZTEPMA0GA1UEBxMGQXRo BQADLwAwLAIUQZbY/3Qq0G26fsBbWiHMbuVd3VICFE+gwtUauYiRbHh0caAtRj3qRTwl -----END NEW CERTIFICATE REQUEST----- I assume this is the whole certificate. How can I see private (or public key) via keytool? Thank you

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  • Is release without prior retain dangerous?

    - by BankStrong
    I have some code which I think has extra release statements. Is the code incorrect? What is the end result? I don't understand memory management well yet - even after reading lots of articles and stackoverflow answers. Thanks for straightening me out. NSMutableArray *points = [NSMutableArray new]; for (Segment *s in currentWorkout.segments) { [points addObjectsFromArray:[s.track locationPoints]]; } [routeMap update:points]; [points release];

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  • Dynamically setting a log4net property using common.logging

    - by Kyle LeNeau
    Does anyone know if there is an equivalent in Common.Logging (for .Net) to set properties for the log4net factory adapter? I have had great success when just using log4net by doing: <appender name="FileAppender" type="log4net.Appender.RollingFileAppender"> <file type="log4net.Util.PatternString" value="logs\Log_%property{BrokerID}.txt"/> <appendToFile value="false"/> <rollingStyle value="Size"/> <maxSizeRollBackups value="-1"/> <maximumFileSize value="50GB"/> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date %-5level %logger - %message%newline"/> </layout> </appender> and setting the property like:log4net.GlobalContext.Properties["BrokerID"] = 10 The file I end up with the looks like this: Log_(null).txt when using the common.logging to wire up log4net on the fly.

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  • Logging Mechanism using memory mapping technique

    - by Tushar
    Just create a mapping of the file of the required size (CreateFileMapping or mmap), write the lines in the buffer and start over when the maximum number is reached. -- Your answer for write-a-circular-file-in-c. I am also writing the LogWriter module. In this caase i am mapping the whole file to the memory using mmap(). I am maintaining the Read and Write pointers.I want to write the log to the file in append mode. Then when logger service is started first time it writes it appends the logs. But when system gets shutdown next time when i run the service it doesn't append the data at the end. I want to maintain the write and read offsets even if system shut down.How to achieve this ..? How to find the how much data is written to the log file. ??

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  • file_column not creating files, just empty tmp directory

    - by Yanaek
    Up to the end of December 2009 everything worked fine, so i assume that after some upgrades on servers (Ubuntu 8.10 and second Ubuntu 9.10) something stopped working. Model: class Product < ActiveRecord::Base belongs_to :category file_column :thumbnail, :magick = { :geometry = "150x100" } there is of course table 'products' in database, and it has column 'thumbnail' what's interesting that File actually is uploaded to server, it goes to the /tmp directory under RackMultipartXXXX-0 name, and it is unmodified image. The problem is, that then this file is not moved to 'tmp' dir under RAILS_ROOT/public/product/ nor the 'XX' (where xx means ID of a product) under public/product also. i don't know what to do, i spend few HOURS trying different versions of file_column, also trying to make new, test rails application only from scaffold, but then, in this new application problem was the same

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  • [C#] Onpaint events (invalidated) changing execution order after a period normal operation (runtime)

    - by Luke Mcneice
    Hi all, I have 3 data graphs that are painted via the their paint events. When I have data that I need to insert into the graph I call the controls invalidate() command. The first control's paint event actually creates a bitmap buffer for the other 2 graphs to avoid repeating a long loop. So the invalidate commands are in a specific order (1,2,3). This works well, however when the graphed data reaches the end of the graph window (PictureBox) where the data would normally start scrolling, the paint events begin firing in the wrong order (2,3,1). has anyone came across this before? why might this be happening?

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  • Is OO design's strength in semantics or encapsulation?

    - by Phil H
    Object-oriented design (OOD) combines data and its methods. This, as far as I can see, achieves two great things: it provides encapsulation (so I don't care what data there is, only how I get values I want) and semantics (it relates the data together with names, and its methods consistently use the data as originally intended). So where does OOD's strength lie? In constrast, functional programming attributes the richness to the verbs rather than the nouns, and so both encapsulation and semantics are provided by the methods rather than the data structures. I work with a system that is on the functional end of the spectrum, and continually long for the semantics and encapsulation of OO. But I can see that OO's encapsulation can be a barrier to flexible extension of an object. So at the moment, I can see the semantics as a greater strength. Or is encapsulation the key to all worthwhile code?

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  • Access 2007 & 2003 : Creating an mde for 2003 users with a 2007 dev copy issues

    - by Justin
    So i have an image on my computer that has office 2007, and I have the development copy of this database file where I corrected some code, added some fields, etc... I then converted the Access file (.mdb dev file) to Access 2002-2003 format to create an mde. So I then created the new mde, but when users try to open, it gives them the message that it is not the correct format and that they should upgrade to a newer version of access. So will i be able to get this done with having office 2007, and these other end users not having their new image pushed yet (so they still have office 2003)? I thought that if I converted the file to 2002-2003 then this should not be a problem Thanks Justin

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  • WPF Visual States and the transitions between them

    - by Mark
    I'm trying to define many different states in my app (around 7 in my case) and I have defined each one of them with a "Default Transition" of zero seconds, but the animation that accompanies each state goes for 1 second. When I fire up my app I have a button than goes through the states one by one, when I go "State1" - "State2" it looks perfect, but when I tell my app (which should be in State2 now) to go to "State3" it reverts all the objects in my scene back to their base state, and then animates to "State3", why doesnt it go from "State2" to "State3". I was hoping to only define each state's end position without defining a starting position as this would really take a long time to do. Can this be done? Any examples? Cheers, Mark

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  • How to check when animation finishes if animation block is

    - by pumpk1n
    I have a controller which adds as subviews a custom UIView class called Circle. Let's call a particular instance of Circle, "circle". I have a method in Circle, animateExpand, which expands the circle by animating the view. In the following code (which lives in the controller) I want to alloc and init a circle, add it to a NSMutableArray circleArray, animate the expansion, and at the end of the expansion, i want to remove the object from the array. My attempt: Circle *circle = [[Circle alloc] init]; [circleArray addObject:circle]; [circle animateExpand]; [circleArray removeObjectIdenticalTo:circle]; [circle release]; The problem is [circleArray removeObjectIdenticalTo:circle]; gets called before the animation finishes. Presumbly because the animation is done on a seperate thread. I cant implement the deletion in completion:^(BOOL finished){ }, because the Circle class does not know about a circleArray. Any solutions would be helpful, thanks!

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  • Validating class and superclass on RoR

    - by Luís Guilherme
    In ruby, you have an attribute called "type" which is the class of the object. Rails stores this at the database in a column called type. So, if I have several blog "types", I can do something like this def create @blog = Blog.new(params[:blog]) @blog[:type] = params[:blog][:type] # ... end If I add someone like this, and then load it, and ask its class (for instance, at the console), I have the right class name answered back. However, when I save it afterwards, rails will run only the superclass validators, not the ones I defined in the subclass. How should I make rails run the subclass validators?

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  • Google Maps: How to prevent InfoWindow from shifting the map

    - by TeddyN
    Using Google Maps API v3. I noticed that if I have a map marker near the edge of my map border ... that if I click the marker icon so that the InfoWindow will display, my entire map shifts so that the markers InfoWindow is centered. I don't want my map to shift. Question: How do I prevent the map from shifting when InfoWindows are near the end of the map border (which causes the InfoWindow by default to center & shift the map)?

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  • Is there a way to convert a swf to an .abc file?

    - by Jeremy Ruppel
    I'm looking for a way, preferably a command-line utility, to pump out an .abc file for a compiled swf. I've looked into asc.jar, but so far it seems like it can only accept classes, not compiled swfs. Anybody know of a good way to do this? The end-goal of this process is to use Zwetan's RedTamarin project to run describeType on some specific classes inside a loaded swf, but there are complications with SecurityDomain preventing me from using Loader.loadBytes. If there's another good way to describe classes in the loaded swf via command-line, I'd be interested in that solution as well. Cheers, J

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  • Using TortoiseHg to push to an authenticated git repository

    - by Nathan Palmer
    I'm trying to push a changeset from a local Mercurial repository created with TortoiseHg to a remote Git repository. I have hg-git installed and configured and it will pull just fine. But when I run the push it gives me this Command hg push git+ssh://git@dummyrepo:username/repo.git Result pushing to git+ssh://git@dummyrepo:username/repo.git importing Hg objects into Git creating and sending data abort: the remote end hung up unexpectedly There are several things I've done to get to this point. But I'm hoping to resolve this last thing because I find TortoiseHg to be much easier to work with than any of the Git tools out there (for windows.) Installed TortoiseHg Pulled down the hg-git from http://bitbucket.org/durin42/hg-git/ Configured mercurial.ini to point to the hg-git library Pulled down dulwich source from git://git.samba.org/jelmer/dulwich.git Compiled dulwich and put it into library.zip for TortoiseHg Configured TortoiseHg to use TortoisePlink.exe for ssh Added my private key to Pageant Any ideas what I could be missing?

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  • Unix makefile errors " 'ake: Fatal error: Don't know how to make (c file here)"

    - by gwenger
    I've written the below makefile: hw2p1: hw2p1_main.o hw2p1_getit.o hw2p1_parseit.o hw2p1_moveit.o hw2p1_showit.o gcc hw2p1_main.o hw2p1_getit.o hw2p1_parseit.o hw2p1_moveit.o hw2p1_showit.o hw2p1_main.o: hw2p1_main.c gcc -c hw2p1_main.c hw2p1_getit.o: hw2p1_getit.c gcc -c hw2p1_getit.c hw2p1_parseit.o: hw2p1_parseit.c gcc -c hw2p1_parseit.c hw2p1_moveit.o: hw2p1_moveit.c gcc -c hw2p1_moveit.c hw2p1_showit.o: hw2p1_showit.c gcc -c hw2p1_showit.c The first time I tried to call make, I got the error: "make: Fatal error: unexpected end of line seen" I deleted the blank lines between targets and called make again, but this time I got " 'ake: Fatal error: Don't know how to make hw2p1_main.c" I've compiled all of these files separately and then linked them so I know that the errors are a result of an incorrect makefile and not a result of errors in my c files. This is the first makefile that I've ever written so I might just be doing it completely incorrectly. Either way, any suggestions on how to get rid of these errors?

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  • Masks and transparency

    - by Henrik
    Hi, I'm fairly new to Shoes and ran into two problems. First I want to set a mask using a partially transparent png, like this: mask do image "images/stencilMask.png" end Is this possible somehow or can only vector shapes be used? Apart from that, I noticed a small bug(?) when trying to set a transparent color as a stroke on any kind of text, like this: title "Hello", :stroke => rgb(1.0, 0.0, 0.0, 0.5) The transparency simply isn't applied. Am I doing anything wrong, or is this actually a bug? Cheers and thanks for all answers

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  • How to develop a DirectFB app without leaving X.11 environment.

    - by Edu Felipe
    Hi folks, I'm trying to develop a GUI application for an embedded platform, without any windowing whatsoever and I'm doing that with DirectFB, and it suits my needs very fine. Since the embedded I develop for is not that powerful, I would really like to try to develop on my own Ubuntu desktop. The problem is Framebuffer is conflicting with X.org causing me to leave the whole desktop, and shutdown X.org just to see the result of my changes. Is there a good framebuffer simulator that suits my needs? Qt has one, called QVFb, but it only works for developing Qt apps, and the VNC back-end of DirectFB always crash. So, any ideas?

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