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  • VC++ Debugger expression

    - by user85917
    In debug | Immediate window, why do i get this error: szTemp is a local variable at {,,Util.dll}MySock.Write("%s",szTemp) CXX0017: Error: symbol "szTemp" not found int SomeFunction( ..) { char* szSQL = new char[1024]; . . ---> Breakpoint.. Trying to run the expression here.. . . }

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  • VBA Range.Rows.Count giving unexpected results

    - by Jeffrey
    I have a Range variable that contains an address - $2:$2,$4:$205,$214:$214 - (3 groups of rows). I would like to get the count of all the rows in that range. However, range.Count gives me the count of all the cells (50,000~) and range.Rows.Count only return 1 - the count of all the rows in the first group. How do I get the count of all the rows Thanks

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  • Which MySql line is faster:

    - by Camran
    I have a classified_id variable which matches one document in a MySql table. I am currently fetching the information about that one record like this: SELECT * FROM table WHERE table.classified_id = $classified_id I wonder if there is a faster approach, for example like this: SELECT 1 FROM table WHERE table.classified_id = $classified_id Wont the last one only select 1 record, which is exactly what I need, so that it doesn't have to scan the entire table but instead stops searching for records after 1 is found? Or am I dreaming this? Thanks

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  • HttpResponseRedirect question

    - by Hulk
    Cant we send a dictionary variable when using HttpResponseRedirect render_to_response('edited/display.html',context_instance=RequestContext(request,{'newlist': newlist})) //How can the dictionary and the request sent back again //sumthing like this return HttpResponseRedirect('edited/display.html',context_instance=RequestContext(request,{'newlist': newlist}))

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  • Can you use MongoDB map/reduce to migrate data?

    - by Brian Armstrong
    I have a large collection where I want to modify all the documents by populating a field. A simple example might be caching the comment count on each post: class Post field :comment_count, type: Integer has_many :comments end class Comment belongs_to :post end I can run it in serial with something like: Post.all.each do |p| p.udpate_attribute :comment_count, p.comments.count end But it's taking 24 hours to run (large collection). I was wondering if mongo's map/reduce could be used for this? But I haven't seen a great example yet. I imagine you would map off the comments collection and then store the reduced results in the posts collection. Am I on the right track?

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  • I need to cut a portion of a string in linux

    - by Abeed Salam
    I have a file in a folder like this: installer-x86_64-XXX.XX-diagnostic.run The XXX.XX is a version number and I need the version number only. How to do it in linux? I have this code: #!/bin/bash current_ver=$(find /mnt/builds/current -name '*.run'|awk -F/ '{print $NF}') So this gives me just the name of the file correctly (minus the location, which I dont want). But how do I only get the XXX.XX version number into a variable such as $version

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  • Java Definitions

    - by Brian
    I just had a test on java and we had to give the definition of 1) Static: 2) IOExcepion: What I said for static was...a static method is used to define a method as a class method. And I got it wrong so I asked my teacher and he said he wants the actually definition of static not a static method, class or variable just static. Can someone tell me the definition of this and for IOException please Thanks.

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  • tomcat startup.sh trouble finding JAVA_HOME

    - by peter
    I am a bit puzzled by this strange behavior on CentOs 5.4 when starting Tomcat 6.0 as a service I've added a script at /etc/init.d/tomcat that can start/stop/restart Apache Tomcat 6.0 with user 'tomcat', and registered it as service. The problem with the service is that I am getting a 'Neither the JAVA_HOME nor the JRE_HOME environment variable is defined'. But when type 'sudo -u tomcat echo $JAVA_HOME' I get '/usr/java/jdk1.5.0_22' which is correct since I am using that JDK. What can I do about this?

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  • Can I Call a Child Page From a Master Page?

    - by MemphisDeveloper
    My problem is this I have a base page that creates content dynamically. There are buttons on my Master Page that fire events that my base page needs to know about. But the OnLoad function on my base page fires before my Button_Command function on my master page. So I either need to figure out a way to load my base page after the Button_Command function has had the chance to set a variable or I must call a function in my base page from the Button_Command function.

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  • Random Number Generator

    - by skinni
    - (IBAction)randomnum{ int randomNumber1 = 1+ arc4random() %(49); label1.text = [NSString stringWithFormat:@"d", randomNumber]; Local declaration of randomNumber hides instance variable. How can i get round this warning? thanks

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  • static NSStrings in Objective-C

    - by MikeyWard
    I frequently see a code snippet like this in class instance methods: static NSString *myString = @"This is a string."; I can't seem to figure out why this works. Is this simply the objc equivalent of a #define that's limited to the method's scope? I (think) I understand the static nature of the variable, but more specifically about NSStrings, why isn't it being alloc'd, init'd? Thanks~

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  • How to go to particular Item in IEnumerable

    - by Subhen
    Hi, I have Ienum which contains number Data inside it. Attached the snapShot of Viual Studio, Enum that Contains Data: Just to brief about the above image, eLevelData is the IEnumerable variable, in which I have my data . Now I want to go to the data at index 4 or 5, but I don't want to use foreach loop. Any suggestions please. Thanks, Subhen

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  • C# Search for subdirectory (not for files)...

    - by Brad
    Every example I see seems to be for recursively getting files in subdirectories uses files only. What I'm trying to do is search a folder for a particular subdirectory named "xxx" then save that path to a variable so I can use it for other things. Is this possible without looping through all the directories and comparing by name?

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  • Getting An Array Result From A C# Method

    - by Soo
    I am trying to write some code to return an array in C#, but don't know the proper syntax. I think my method is set up correctly, but to set an array to the result of the method is what I'm having difficulty with. Method Declaration: double[,] function(double variable) { ... code ... return array }

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  • Inconsistent Session data from IE - cached sessions???

    - by pedalpete
    I'm trying to prevent some basic click-fraud on my site, and am building links based on session time data. Everything works in FF, but in IE the information I'm storing in the session is somehow being changed. When I load up the main page, I set my session variables like this session_start(); $_SESSION['time']=$time(); I'm out putting the session value into the page, so I get something like 1275512393. When the user clicks on a link, I send an ajax request, and that page is returning the session which I am putting into an alert. session_start(); echo $_SESSION['time']; die(); The alert is returning 1275512422. Only in IE is the $_SESSION['time'] being returned different from the original $_SESSION['time'] It doesn't appear that this is a caching issue, as the times are always VERY near each other, and the second one is always after the first, but I'm not positive.

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  • How can I find the dimensions of a matrix in Python?

    - by PBD10017
    How can I find the dimensions of a matrix in Python. Len(A) returns only one variable. Edit: Hi Thanks. close = dataobj.get_data(timestamps, symbols, closefield) Is (I assume) generating a matrix of integers (less likely strings). I need to find the size of that matrix, so I can run some tests without having to iterate through all of the elements. As far as the data type goes, I assume it's an array of arrays (or list of lists).

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  • [Smarty] Looking for variables which aren't assigned.

    - by Kel
    What could happen if my template looks for variables which weren't assigned? For example: var uwfs_id = '{$tpl_uwfs_id}'; This snippet is from my javascript code. I outputted the value and it is simply empty. I know I could use isset(). But I couldn't find anything about how Smarty handles non-existing variables. So, what happens if template can't find a variable, because it wasn't assigned?

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