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  • What values do the walkback array in the SocketException contain?

    - by akhilss
    Recently I have debugging into a problem where a connection to a database server from the application server get reset. I am pretty sure there is no reset being called from either end. But while I was debugging into the problem, while inspecting the SocketException, I found the walkback variable. arg0 SocketException (id=11532) cause SocketException (id=11532) detailMessage "Connection reset" stackTrace null walkback long[50] (id=11618) What do the values in this variable represent?

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  • Scala unsatisfiable cyclic dependency in "table-layout" library (Toolkit class)

    - by Atol
    When I try to compile with sbt some code containing an instance of a Table from this library I get this error: java.lang.AssertionError: assertion failed: unsatisfiable cyclic dependency in 'class Toolkit' It seems to work with Java so I don't understand why it fails in Scala. Here is the toolkit class: http://code.google.com/p/table-layout/source/browse/branches/v1/tablelayout/src/com/esotericsoftware/tablelayout/Toolkit.java As long as I get this error I'm totally stopped in my project :(.

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  • Why RSA Decryption process takes longer time than the Encryption process?

    - by Tara Singh
    I have some idea that it is due to some complex calculation, but i want to know about what exactly happens which takes long time than the corresponding encryption process. Any link to webpage or paper would be of great help. Thanks Thanks for the answers, One more Doubt, What about the Signing and verification? Will this time difference be there for Signing and verification also? Ex. Signing requires more time than Verification?

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  • Asynchronous PHP calls?

    - by UltimateBrent
    Is there a way to PHP make asynchronous http calls? I don't care about the response, I just want to do something like file_get_contents(), but not wait on the request to finish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application, or triggering long processes. Any ideas?

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  • how to watch input buttons with specified name?

    - by user393087
    For example I have long list of buttons: <input type=button name=clickbutton onclick='dosomething(this)'> But instead of putting call to the same funcion in every button it would be more rational to add a single listening event that would wait for click of that button with this name. But again, there are maany this buttons so I need pass clicked object to a function. For example this function must update a textarea field that is adjacent (nextSibling) to this button.

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  • Where is my software installed in Linux?

    - by David
    I use whereis matlab and find: /usr/local/bin/matlab , which is a very long bash file. How can I find where matlab is installed, I mean, its installed folder. EDIT: I used the following method: open matlab and use edit svds.m to open the svds.m file and the editor shows the folder:)

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  • Qt/C++ or C#, which learn first??

    - by myax
    I already know C++ console programming. So shall i learn Qt for c++ or c# first?? I eventually plan to learn both anyways. Also, how long will each one take. The only programming language i know is c++.

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  • Convert any object to pretty HTML in java

    - by ripper234
    How can I convert a given object (in a generic way with reflection) to pretty printable HTML? What ready made library do you recommend that does this? I need support for simple nested objects (as long as they don't create loops in the object graph). I tried to convert it to JSON, but DefaultPrettyPrinter is not HTML friendly.

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  • How to instantiate a particular view controller with storyboard in iOS at early stage of loading?

    - by dmirkitanov
    When using tabs with storyboard in iOS 5, some of them may take quite a long time to initialize when switching to it (for example, a tab containing GLKViewController). This happens because an amount of work in viewDidLoad method in this controller could be very big. Is there a way to initialize particular view controller (and call it's viewDidLoad method) defined in the storyboard at early stage - when an application starts? Having done this, the delay should be eliminated.

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  • Difference between dates when grouping in SQL

    - by CeejeeB
    I have a table of purchases containing a user_id and a date_of_purchase. I need to be able to select all the users who have made 2 purchases within 12 months of each other. The dates can be any point in time as long as they are less than 12 months apart. e.g. user_id date_of_purchase 123 01/Jan/2010 124 01/Aug/2010 123 01/Feb/2010 124 05/Aug/2008 In this example i want user_id 123

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  • A regular expression question

    - by Hellnar
    Hello, I am in dire need of a such regular expression where my alphabet is made up of 0s and 1s. Now I need a language that accepts all words as long as it has three 0s. IE: 000 10001 0001 1000 10000101

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  • Behavior is different when debugger is attached

    - by Lys
    I'm using VS 2008 to debug C# program with source code access. The expected behavior happened as long as the debugger attached to the running program, but when the program ran without debugger attached the exception threw. What are the common reasons for this to happen, and how can I tell the code difference behind this? Thanks,

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  • Batch save in CastleProject ActiveRecord

    - by Alex
    I need to save thousand of records in a database. I am using CastleProject ActiveRecord. The cycle which stores that amount of objects works too long. Is it possible to run saving in a batch using ActiveRecord? What is recommended way to improve performance?

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  • MySQL - Limit a left join to the first date-time that occurs?

    - by John M
    Simplified table structure (the tables can't be merged at this time): TableA: dts_received (datetime) dts_completed (datetime) task_a (varchar) TableB: dts_started (datetime) task_b (varchar) What I would like to do is determine how long a task took to complete. The join parameter would be something like ON task_a = task_b AND dts_completed < dts_started The issue is that there may be multiple date-times that occur after the dts_completed. How do I create a join that only returns the first tableB-datetime that occurs after the tableA-datetime?

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  • fill an array with Int like a Char; C++, cin object

    - by Duknov007
    This is a pretty simple question; first time poster and long time looker. Here is my binary to decimal converter I wrote: #include <iostream> #include <cmath> using namespace std; const int MAX = 6; int conv(int z[MAX], int l[6], int MAX); int main() { int zelda[MAX]; const int d = 6; int link[d]; cout << "Enter a binary number: \n"; int i = 0; while (i < MAX && (cin >> zelda[i]).get()) //input loop { ++i; } cout << conv(zelda, link, MAX); cin.get(); return 0; } int conv(int zelda[MAX], int link[6], int MAX) { int sum = 0; for (int t = 0; t < MAX; t++) { long int h, i; for (int h = 5, i = 0; h >= 0; --h, ++i) if (zelda[t] == 1) link[h] = pow(2.0, i); else link[h] = 0; sum += link[t]; } return sum; } With the way the input loop is being handled, I have to press enter after each input of a number. I haven't added any error correction yet either (and some of my variables are vague), but would like to enter a binary say 111111 instead of 1 enter, 1 enter, 1 enter, etc to fill the array. I am open to any technique and other suggestions. Maybe input it as a string and convert it to an int? I will keep researching. Thanks.

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  • Download Drupal Documentation?

    - by Rosarch
    I would like to download documentation of the Drupal hooks, and whatever else would be useful. I've been saving a few pages piecemeal to my hard drive, but it would take too long to download the entire api.drupal.org this way. Is there someplace where I can get it all at once?

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  • How to POST data to an HTTP page from an HTTPS page

    - by buster55
    I know this is a long shot, but I figured I'd ask the question anyway. I have an HTTPS page and am dynamically creating a form. I want to POST the form to an HTTP page. Is this possible without the browser popping up a warning? When I do this on IE8, I get the following message: Do you want to view only the webpage content that was delivered securely? Essentially, I'm asking about the inverse of question 1554237.

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  • Possible reasons and resolutions for time out

    - by ming yeow
    I cannot SSH into my instance - Operation timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst UPDATE: It is not about permissions - i can log in normally just fine. I suspect it might be because of memory issues

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  • Nhibernate: using Expression

    - by VoodooChild
    Hello, Using nHibernate, I would like to query on an integer datatype, but its always returning the exact match. How could I write an expression that returns a list starting with the number entered? right now I am using it as: (clientNum is a long) crit.Add(Expression.Like("ClientNumber", clientNum)); //this always gives me exact matches only so I tried the following, but its complainging of a wroing type (its only expecting a string) crit.Add(Expression.Like("ClientNumber", clientNum, MatchMode.Start));

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