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  • Declare global variables for a batch of execution statements - sql server 2005

    - by Shrewd Demon
    hi, i have an SQL statement wherein i am trying to update the table on the client's machine. the sql statement is as follows: BEGIN TRANSACTION DECLARE @CreatedBy INT SELECT @CreatedBy = [User_Id] FROM Users WHERE UserName = 'Administrator' --//////////////////////////////////////////////////////////////////// --//////////////////////////////////////////////////////////////////// PRINT @CreatedBy --(Works fine here and shows me the output) PRINT N'Rebuilding [dbo].[Some_Master]' ALTER TABLE [dbo].[Some_Master] ADD [CreatedBy] [BIGINT] NULL, [Reason] [VARCHAR](200) NULL GO PRINT @CreatedBy --(does not work here and throws me an error) PRINT N'Updating data in [Some_Master] table' UPDATE Some_Master SET CreatedBy = @CreatedBy COMMIT TRANSACTION but i am getting the following error: Must declare the scalar variable "@CreatedBy". Now i have observed if i write the Print statement above the alter command it works fine and shows me its value, but if i try to print the value after the Alter command it throws me the error i specified above. I dont know why ?? please help! Thank you

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  • Sed-replacing a pattern

    - by grails_enthu
    I have below code: <td nowrap="nowrap" width="74"> <p align="center">server1</p> </td> <td nowrap="nowrap" width="74"> <p align="center">server2</p> </td> and so on.I want to get output as: <td nowrap="nowrap" width="74">server1</td> <td nowrap="nowrap" width="74">server2</td> What should be my approach?Say for example the file is server.html I have done something like this: sed "s/<p align="center">*</p>/*/" -i server.html But its not working.

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  • Possible to convert list of #defines into strings (C++)

    - by brandonC
    Suppose I have a list of #defines in a header file for an external library. These #defines represent error codes returned from functions. I want to write a conversion function that can take as an input an error code and return as an output a string literal representing the actual #define name. As an example, if I have #define NO_ERROR 0 #define ONE_KIND_OF_ERROR 1 #define ANOTHER_KIND_OF_ERROR 2 I would like a function to be able to called like int errorCode = doSomeLibraryFunction(); if (errorCode) writeToLog(convertToString(errorCode)); And have convertToString() be able to auto-convert that error code without being a giant switch-case looking like const char* convertToString(int errorCode) { switch (errorCode) { case NO_ERROR: return "NO_ERROR"; case ONE_KIND_OF_ERROR: return "ONE_KIND_OF_ERROR"; ... ... ... I have a feeling that if this is possible, it would be possible using templates and metaprogramming, but that would only work the error codes were actually a type and not a bunch of processor macros. Thanks

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  • Is there a simpliest way of doing this?

    - by Tom Brito
    Is there a simpler way of implement this? Or a implemented method in JDK or other lib? /** * Convert a byte array to 2-byte-size hexadecimal String. */ public static String to2DigitsHex(byte[] bytes) { String hexData = ""; for (int i = 0; i < bytes.length; i++) { int intV = bytes[i] & 0xFF; // positive int String hexV = Integer.toHexString(intV); if (hexV.length() < 2) { hexV = "0" + hexV; } hexData += hexV; } return hexData; } public static void main(String[] args) { System.out.println(to2DigitsHex(new byte[] {8, 10, 12})); } the output is: "08 0C 0A" (without the spaces)

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  • Shuffling a list with a constraint

    - by 500
    Preparing a new psychophysic experiment, I have 48 original stimuli displayed 4 times (4 conditions). Resulting in 192 trials. Trying to randomize the order of presentation during the experiment, I need to maximize the distance between the 4 display of the same original stimuli. Please Consider : Table[{j, i}, {j, Range[48]}, {i, Range[4]}] Where j is the original stimuli number and i the condition Output Sample : {{1, 1}, {1, 2}, {1, 3}, {1, 4}, {2, 1}, {2, 2}, {2, 3}, {2, 4}, ... {47, 1}, {47, 2}, {47, 3},{47, 4}, {48, 1}, {48, 2}, {48, 3}, {48, 4}} How could I shuffle the order of presentation of those 192 items, maximizing the distance between identical item with regard to j the original stimuli number ?

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  • simple assignment not working for me: iphone sdk

    - by tak
    Hi all. Can someone please explain to me why this simple assignment doesn't work. Here is the code loanDetails.currency = myCurrency; NSLog(@" Value %@",myCurrency); NSLog(@" Value %@",loanDetails.currency); NSLog(@" Value %@",myCurrency); the output is:- 2010-05-05 23:00:44.394 ExpenseTracker[3576:207] Value AFA 2010-05-05 23:00:44.750 ExpenseTracker[3576:207] Value (null) 2010-05-05 23:00:45.095 ExpenseTracker[3576:207] Value AFA And the definition is as: @property (nonatomic,retain) NSString *currency;

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  • git-svn clone checkouts wrong repo?

    - by hyperboreean
    So I am trying to switch to git, by using git-svn. I am having a svn repo called myrepo from which I want to clone just the project called myproject. The thing is that by running the following command: git svn clone path-to-repo/myrepo/myproject --stdlayout --prefix=svn myproject the whole repo myrepo is cloned rather than just myproject. I tried using -T, -t, -b as well to let git know about the layout of the project, but without any success. I always get the following output: Using higher level of URL: path-to-repo/myrepo/myproject => path-to-repo/myrepo and tries to clone that one. Am I doing something wrong? It might be that the svn repo layout could be broken or git incompatible ?

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  • findBy(x) Using Zend_Navigation with custom route

    - by Stephen
    I am creating my navigation from a db generated array and defining which route to use for some of the uris. when I set the route i am no longer able to use findByUri() as the uri seems to be moved under the properties key example array being used: [id] => 7 [label] => Legal [controller] => index [uri] => /legal [route] => cmsPage [visible] => 1 [params] => Array ( [first] => legal ) snippet of the output: [_properties:protected] => Array ( [uri] => /legal [created] => 2012-10-20 10:23:23 ) When I don't define the route I am able to use findByUri() successfully. currently I am looping through each to find the property that matches the request but it seems a long / wrong approach Is there a way to search by the nested param - or am i doing something wrong with the setup (everything else behaves as expected)

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  • How do I create English-language list (name1, name2, AND name3) in Ruby on Rails?

    - by Angela
    Quite possibly there could be a rails magic I've missed, but I'm guessing it will be in Ruby. I have a model called Company which has_many Contacts. Suppose Company has Contact 1, Contact 2, Contact 3, and Contact 4. When I create a textblog for each Contact, I want to output the following (where Contact = Contact 1) "Hi, Contact 1, I am also writing to Contact 2, Contact 3, and Contact 4." So it needs to extract the Contact in the salutation and then list them, inserting "and" before the last Contact in the list.

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  • How to write a program that mimics Fiddler by using tcpdump or from scratch?

    - by ????
    When Fiddler is not on Mac OS X or Ubuntu, and if we don't install/use Wireshark or any other more heavy duty tools, what is a way to use tcpdump so that 1) It can print out GET /foo/bar HTTP/1.1 [request content in RAW text] [response content in RAW text] POST /foo/... HTTP/1.1 this should be able to be done by tcpdump or by using tcpdump in a short shell script or Ruby / Python / Perl script. 2) Actually, it can be neat if a script can output HTML, with GET /foo/bar HTTP/1.1 POST /foo/... HTTP/1.1 on the page, for any browser to display, and then when clicked on any of those lines, it will expand to show the RAW content like (1) above does. Click again and it will hide the details. The expansion UI can be done using jQuery or any JS library. The script may be short... possibly less than 20 lines? Does anybody know how to do it either for (1) or (2)?

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  • Scala, represent pattern of boolean tuple into something else.

    - by Berlin Brown
    This is a cellular automata rule (input Boolean == Left, Center, Right Cell) and output Boolean . What is a better way to represent this in Scala. trait Rule { def ruleId() : Int def rule(inputState:(Boolean, Boolean, Boolean)) : Boolean override def toString : String = "Rule:" + ruleId } class Rule90 extends Rule { def ruleId() = 90 def rule(inputState:(Boolean, Boolean, Boolean)) : Boolean = { // Verbose version, show all 8 states inputState match { case (true, true, true) => false case (true, false, true) => false case (false, true, false) => false case (false, false, false) => false case _ => true } } }

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  • Rscript does not recognize setGeneric function

    - by Branko K.
    I am trying to convert an R script into something that a client can run in batch mode. My code uses generic functions and one snippet which is near the beginning goes like: setGeneric("testInput", function(inputData, params = list()) standardGeneric("testInput")) I've been using R CMD BATCH and it works fine. However I couldn't find an easy way to make my script print the output on the console, so based on that (and suggestion that Rscript.exe is the "proper" way to run R batch files) I decided to switch to Rscript. However when running the very same .R file with Rscript I get the following: Error: could not find function "setGeneric" Execution halted I know there is probably a trivial reason behind this but I just cannot figure it out. Can someone please point me to where the mistake is? Thanks so much in advance. Cheers!

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  • Passing parameters in VBA for Access

    - by Newbie
    In Access 2007 I have created a form with a textbox and a button. At the moment, when I press the button, I load a query with the textbox data passed as a parameter to the query criteria. I would like to change this so that all (manually input) options appear in a combobox (in place of the textbox). I would then like to pass the combobox text to a VBA module upon pressing the button. How do I do this? Similarly, I hope to output a different string from this module, and I hope to use this as the query criteria. How do I do this?

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  • Create a complex SQL query?

    - by mazzzzz
    Hey guys, I have a program that allows me to run queries against a large database. I have two tables that are important right now, Deposits and withdraws. Each contains a history of every user. I need to take each table, add up every deposit and withdraws (per user), then subtract the withdraws from the deposits. I then need to return every user whos result is negative (aka they withdrew more then they deposited). Is this possible in one query? Example: Deposit Table: |ID|UserName|Amount| |1 | Use1 |100.00| |2 | Use1 |50.00 | |3 | Use2 |25.00 | |4 | Use1 | 5.00 | WithDraw Table: |ID|UserName|Amount| |2 | Use2 | 5.00 | |1 | Use1 |100.00| |4 | Use1 | 5.00 | |3 | Use2 |25.00 | So then the result would output: |OverWithdrawers| | Use2 | Is this possible (I sure don't know how to do it)? Thanks for any help, Max

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  • dojo TimeTextBox don't listen to on blur event

    - by kawtousse
    Hi everyone, I want to add an on blur event to a dojo timetextbox but the event never been runned so the declaration of the timetextbox is like this: <label>End</label><input id="endp" name="endp" onBlur="calculateTimeSpent2(startp,endp,output);" /> the javascript function is like this: function calculateTimeSpent2(startp,endp,outputp) { var tmp0=document.getElementById('startp').value.split(':'); var tmp1=document.getElementById('endp').value.split(':'); if (tmp0[0]!='' && tmp1[0]!='') { var val1= findtime(tmp0[0],tmp0[1],tmp1[0],tmp1[1]); var tmp=val1.split(':'); if (tmp[0].indexOf('-')==-1) document.getElementById('outputp').value=val1; else { alert ("Start Time must be lower than End Time "); document.getElementById('endp').focus(); } } } I don't understand why dojo didn't execute the event correctly while loosing the focus. I tried to put the type=text but it does'nt work. Thanks for help.

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  • Programmatically check whether a linux kernel module exists or not at runtime

    - by dgraziotin
    I am writing a C daemon, which depends on the existence of two kernel modules in order to do its job. The program does not directly use these (or any other) modules. It only needs them to exist. Therefore, I would like to programmatically check whether these modules are already loaded or not, in order to warn the user at runtime. Before I start to do things like parsing /proc/modules or lsmod output, does a utility function already exist somewhere? Something like is_module_loaded(const char* name); I am pretty sure this has been asked before. However, I think I am missing the correct terms to search for this. Thanks!

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  • Compiler: Translation to assembly

    - by sub
    I've written an interpreter for my experimental language and know I want to move on and write a small compiler for it. It will probably take the source, go through the same steps as the interpreter (tokenizer, parser) and then translate the source to assembly. Now my questions: Can I expect that every command in my language can be 1:1 translated to a bunch of assembly instructions? What I mean is if I will have to completely throw over the whole input program or if it is just translated to assembly per line. Which assembler should I use as output format?

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  • Query to return substring from string in SQL Server

    - by Jowie
    I have a user defined function called Sync_CheckData under Scalar-valued functions in Microsoft SQL Server. What it actually does is to check the quantity of issued product and balance quantity are the same. If something is wrong, returns an ErrorStr nvarchar(255). Output Example: Balance Stock Error for Product ID : 4 From the above string, I want to get 4 so that later on I can SELECT the rows which is giving errors by using WHERE clause (WHERE Product_ID = 4). Which SQL function can I use to get the substring?

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  • Affine Transforms with Demo App

    - by Dex
    I have a demo app here https://github.com/rdetert/image-transform-test After importing an image, you can pinch, zoom, rotate the image. What I want to do is save out a 640x480 image (landscape mode) that looks identical to the live preview. So if there are 100px bars of empty space on the sides, I need the same empty bars in the final output (scaled appropriately). This is proving to be more difficult than I thought it would be. I can't quite get it to come out right after days of working on it. The magic method that generates the final image is called -(void)generateFinalImage Good luck! ;)

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  • Talking to a server in Win32; how do I see the server's response?

    - by Vinod K
    I am new to Win32 programming. sprintf(lpszBuff,"HELO Mail-Server\r\n"); send(s,lpszBuff,strlen(lpszBuff),0); recv(s,lpszBuff,100,0); cout << lpszBuff; In here I connect to a local mail server. The buffer contains the request I send, the same buffer contains the reply send by the browser. How do I see the reply? cout <<buffer doesn't show any output. I am doing this on VC++ 2008.

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  • How to read from USB without any driver ?

    - by YouKnowWho
    We are creating small system which has GPS receiver and PC. We want to test my GPS receiver, We do not want to go for a driver on the first go. First I would like to test my circuit works or nor. GPS IC has been set to output NMEA sentence. We want a program which just reads data from USB port and print it on the screen. Can we write something like this easily ? Do we have any open source tool which will achieve this purpose ? Platform : Windows 7

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  • header problem in php refresh

    - by basma
    hello i have this code : <?php session_start(); echo "".$_SESSION['eventnum'].""; $urlRefresh = "testremot.php"; header("Refresh: 5; URL=\"" . $urlRefresh . "\""); ?> but the header doesnt work and this warning appear when i try to run this code : Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\remot\testremot.php:3) in C:\xampp\htdocs\remot\testremot.php on line 5 can you please help me ?

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  • Draw arrow on line

    - by Pete
    Hi, I have this code: CGPoint arrowMiddle = CGPointMake((arrowOne.x + arrowTo.x)/2, (arrowOne.y + arrowTo.y)/2); CGPoint arrowLeft = CGPointMake(arrowMiddle.x-40, arrowMiddle.y); CGPoint arrowRight = CGPointMake(arrowMiddle.x, arrowMiddle.y + 40); [arrowPath addLineToScreenPoint:arrowLeft]; [arrowPath addLineToScreenPoint:arrowMiddle]; [arrowPath addLineToScreenPoint:arrowRight]; [[mapContents overlay] addSublayer:arrowPath]; [arrowPath release]; with this output: http://yfrog.com/edschermafbeelding2010032p What have i to add to get the left and right the at same degree of the line + 30°. If someone has the algorithm of drawing an arrow on a line, pleas give it. It doesn't matter what programming language it is... Thanks

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  • 3x3 Average filter in matlab

    - by turingcomplete
    I've written code to smooth an image using a 3x3 averaging filter, however the output is strange, it is almost all black. Here's my code. function [filtered_img] = average_filter(noisy_img) [m,n] = size(noisy_img); filtered_img = zeros(m,n); for i = 1:m-2 for j = 1:n-2 sum = 0; for k = i:i+2 for l = j:j+2 sum = sum+noisy_img(k,l); end end filtered_img(i+1,j+1) = sum/9.0; end end end I call the function as follows: img=imread('img.bmp'); filtered = average_filter(img); imshow(uint8(filtered)); I can't see anything wrong in the code logic so far, I'd appreciate it if someone can spot the problem.

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  • Coarse classing based on weight of evidence in r

    - by user3619169
    How can we use weight of evidence for binning continuous data in R. For e.g. I have a data: Recency 364 91 692 13 126 4 40 93 13 33 262 12 136 21 88 16 4 19 24 89 36 5 274 125 740 6 13 715 591 443 104 853 260 125 62 357 559 155 163 16 433 91 1380 96 374 130 574 101 5 11 34 401 13 215 168 So, what should be the command to bin this variable in different groups, based on Weight of evidence, or you can say coarse classing. Output I want is: Group I: Recency <200 Group I: Recency 200-400 Group I: Recency 400 Thanks

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