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  • .NET threading: how can I capture an abort on an unstarted thread?

    - by Groxx
    I have a chunk of threads I wish to run in order, on an ASP site running .NET 2.0 with Visual Studio 2008 (no idea how much all that matters, but there it is), and they may have aborted-clean-up code which should be run regardless of how far through their task they are. So I make a thread like this: Thread t = new Thread(delegate() { try { /* do things */ System.Diagnostics.Debug.WriteLine("try"); } catch (ThreadAbortException) { /* cleanup */ System.Diagnostics.Debug.WriteLine("catch"); } }); Now, if I wish to abort the set of threads part way through, the cleanup may still be desirable later on down the line. Looking through MSDN implies you can .Abort() a thread that has not started, and then .Start() it, at which point it will receive the exception and perform normally. Or you can .Join() the aborted thread to wait for it to finish aborting. Presumably you can combine them. http://msdn.microsoft.com/en-us/library/ty8d3wta(v=VS.80).aspx To wait until a thread has aborted, you can call the Join method on the thread after calling the Abort method, but there is no guarantee the wait will end. If Abort is called on a thread that has not been started, the thread will abort when Start is called. If Abort is called on a thread that is blocked or is sleeping, the thread is interrupted and then aborted. Now, when I debug and step through this code: t.Abort(); // ThreadState == Unstarted | AbortRequested t.Start(); // throws ThreadStartException: "Thread failed to start." // so I comment it out, and t.Join(); // throws ThreadStateException: "Thread has not been started." At no point do I see any output, nor do any breakpoints on either the try or catch block get reached. Oddly, ThreadStartException is not listed as a possible throw of .Start(), from here: http://msdn.microsoft.com/en-us/library/a9fyxz7d(v=VS.80).aspx (or any other version) I understand this could be avoided by having a start parameter, which states if the thread should jump to cleanup code, and foregoing the Abort call (which is probably what I'll do). And I could .Start() the thread, and then .Abort() it. But as an indeterminate amount of time may pass between .Start and .Abort, I'm considering it unreliable, and the documentation seems to say my original method should work. Am I missing something? Is the documentation wrong? edit: ow. And you can't call .Start(param) on a non-parameterized Thread(Start). Is there a way to find out if a thread is parameterized or not, aside from trial and error? I see a private m_Delegate, but nothing public...

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  • Same project...multiple apps?

    - by greypoint
    We have a an iPhone app project that we wish to deploy multiple times under different client names. The individual apps will be very similar but will have different resources (icon, images etc) and config settings stored in plists (server names, options etc). What is the preferred means to manage this in Xcode? Obviously we really don't want different XCode projects for each App deployment since it's 90% shared code.

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  • How to do more programming/technical stuff?

    - by Bell
    I working as an IT consultant and I am currently doing functional stuff like requirements gathering, documentations and writing test specs etc. I kind of sick of this kind of job scope and wish to do more programming/ design / technical stuff. Because I get more satisfaction doings the things rather than telling other to do Anyone in the same dilemma as me and any suggestions on how to get on with working life?

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  • scraping blog contents

    - by goh
    Hi lads, After obtaining the urls for various blogspots, tumblr and wordpress pages, I faced some problems processing the html pages. The thing is, i wish to distinguish between the content,title and date for each blog post. I might be able to get the date through regex, but there are so many custom scripts people are using now that the html classes and structure is so different. Does anyone has a solution that may help?

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  • Using preg_replace to replace all occurrences in php

    - by Greg-J
    Regex is absolutely my weak point and this one has me completely stumped. I am building a fairly basic search functionality and I need to be able to alter my user input based on the following pattern: Subject: %22first set%22 %22second set%22-drupal -wordpress Desired output: +"first set" +"second set" -drupal -wordpress I wish I could be more help as I normally like to at least post the solution I have so far, but on this one I'm at a loss. Any help is appreciated. Thank you.

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  • tcl_findLibrary doesn't work.

    - by user437815
    I'm trying to run freshly compiled program, written with Tcl&Tk. When running it I get an error: felix@Astroserver:~/?????????/Simon$ sudo ./simon1 invalid command name "tcl_findLibrary" I'm running Ubuntu 11.04, I have installed Tcl&Tk (cause I was able to succesfully build the program). If I'm running wish: *% tcl_findLibrary wrong # args: should be "tcl_findLibrary basename version patch initScript enVarName varName"* Could anyone help?

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  • How can I detect if

    - by Suzie
    Is there a way to detect just 2 distinct touches? I just want to track the touches for my two buttons, which is a sprite, but whenever I have another touch other than my first two touches, it affects my touch with my button. Is there a way to get rid of that third touch? I wish you could help me with this problem.Thank You!

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  • Patterns for dynamic CMS components (event driven?)

    - by CitrusTree
    Sorry my title is not great, this is my first real punt at moving 100% to OO as I've been procedural for more years than I can remember. I'm finding it hard to understand if what I'm trying to do is possible. Depending on people's thoughts on the 2 following points, I'll go down that route. The CMS I'm putting together is quote small, however focuses very much on different types of content. I could easily use Drupal which I'm very comfortable with, but I want to give myself a really good reasons to move myself into design patterns / OO-PHP 1) I have created a base 'content' class which I wish to be able to extend to handle different types of content. The base class, for example, handles HTML content, and extensions might handle XML or PDF output instead. On the other hand, at some point I may wish to extend the base class for a given project completely. I.e. if class 'content-v2' extended class 'content' for that site, any calls to that class should actually call 'content-v2' instead. Is that possible? If the code instantiates an object of type 'content' - I actually want it to instantiate one of type 'content-v2'... I can see how to do it using inheritance, but that appears to involve referring to the class explicitly, I can't see how to link the class I want it to use instead dynamically. 2) Secondly, the way I'm building this at the moment is horrible, I'm not happy with it. It feels very linear indeed - i.e. get session details get content build navigation theme page publish. To do this all the objects are called 1-by-1 which is all very static. I'd like it to be more dynamic so that I can add to it at a later date (very closely related to first question). Is there a way that instead of my orchestrator class calling all the other classes 1-by-1, then building the whole thing up at the end, that instead each of the other classes can 'listen' for specific events, then at the applicable point jump in and do their but? That way the orchestrator class would not need to know what other classes were required, and call them 1-by-1. Sorry if I've got this all twisted in my head. I'm trying to build this so it's really flexible.

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  • MPI difference between Communicator and Group

    - by iamrohitbanga
    I have read the definitions of these terms and my interpretation is that there is a one to one relation between a group and a communicator. A group is a set of processes which wish to communicate with each other and a communicator is an implementation for a group. Is this correct? Why have two different terms if this is so?

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  • Multiple conditions on select query

    - by stats101
    I have a select statement and I wish to calculate the cubic volume based on other values within the table. However I want to check that neither pr.Length_mm or pr.Width_mm or pr.Height_mm are NULL prior. I've looked at CASE statements, however it only seems to evaluate one column at a time. SELECT sa.OrderName, sa.OrderType, pr.Volume_UOM ,pr.Length_mm*pr.Width_mm*pr.Height_mm AS Volume_Cubic ,pr.Length_mm*pr.Width_mm AS Volume_Floor ,pr.Length_mm ,pr.Height_mm ,pr.Width_mm FROM CostToServe_MCB.staging.Sale sa LEFT JOIN staging.Product pr ON sa.ID = pr.ID

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  • MATLAB : frequency distribution

    - by Arkapravo
    I have raw observations of 500 numeric values (ranging from 1 to 25000) in a text file, I wish to make a frequency distribution in MATLAB. I did try the histogram (hist), however I would prefer a frequency distribution curve than blocks and bars. Any help is appreciated !

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  • How to get points that intersect the treadline?

    - by chutsu
    Basically I did the Cavendish experiment, and I have a damped sinusoidal wave plotted on Excel. With Position (mm) against Time (s). My problem is that I have added a tread line through the wave function, and wish to calculate the points of which the wave function intersects the tread line. From this I will then be able to calculate the time period. At the moment I'm just having difficulty getting the intersects.. Thanks

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  • MySQLi error handling

    - by Spoonface
    Is it possible to specify that MySQLi sends any errors and warnings to the PHP default 'error_log' directive? I can't seem to find any error options for the class specification, and I don't wish to handle errors manually like so: if ($result = $mysqli->query("...")) { } else handle $mysqli->error;

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  • Searching a process' memory on Linux

    - by Matt Joiner
    How can I search the memory state of an process in Linux? Specifically I wish to identify certain regions of interest, and peek at them at regular intervals, possibly occasionally poking new values. I suspect an answer may involve calls to ptrace(), and reading /proc/[pid]/mem, but need more to go on.

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  • SQL for sorting boolean column as true, null, false

    - by petehern
    My table has three boolean fields: f1, f2, f3. If I do SELECT * FROM table ORDER BY f1, f2, f3 the records will be sorted by these fields in the order false, true, null. I wish to order them with null in between true and false: the correct order should be true, null, false. I am using PostgreSQL.

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  • Magneto admin separate ajax product Grid load

    - by Ela
    Hi, I have to load separate product Grid to select needed product items and store it under my another custom module's model in magento admin side. So i have a custom module created by using Module creator and added another tab which i wish to show all the products as a list or grid to select(Exactly i want it like in new order page under admin side) and store. Do you anybody know how to load product grid or list under custom module area. I really appreciate your help. Thanks

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  • DateTime And ParseExact Problems

    - by WizardsSleeve
    Hi There I wish to convert my string in format dd/mm/yyyy hh:mm:ss to a DateTime of the same format. Dim ukCulture As System.Globalization.CultureInfo = New System.Globalization.CultureInfo("en-GB") Dim myDateTime As DateTime myDateTime = DateTime.ParseExact("18/05/2010 23:42:10, "dd/MM/yyyy HH:mm:ss", ukCulture) When I step through this code the variable myDateTime is 05/18/2010 23:42:10 it appears that the dd/mm is the wrong way around and I cant work out how to correct this. Can ayone offer any guidance on how to correct this please?

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  • How to ensure javascript in the browser is always enabled while traversing my plone site

    - by user956424
    I wish to disable loading the plone site if JS is disabled in the browser. Where exactly do I change the code? Which template/skin do I choose? I want to ensure that JS is always enabled while browsing any part of the plone site. While browsing, if JS is disabled, I can redirect to another page with tag to enable the JS in the browser and give a hlink to the site back if it is enabled. I am using Plone 4.1

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