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  • How to implement a timer callback that executes in the same execution context

    - by Waldorf
    Some programming environments like C++ builder have timer components with a callback function which executes in the same execution contexts as where the timer object is created. I was wondering how to do something similar in plain c++ with threading. Or are there any other ways to have a callback which is periodically called to perform some task and runs in the same execution context as the calling thread?

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  • How do I generate Entity Framework 4.0 classes from the command line that have different names than

    - by Josh Kodroff
    I want to generate Entity Framework 4.0 classes from a (legacy) database from a command line, but I have 2 transformations I want: Tables/columns are lowerCamelCase and I want my classes/members to be UpperCamelCase. I want to suffix my classes with "Dto". Any idea how this might be accomplished? I'm a total newbie to EF, but I have a decent understanding of Linq to Sql and was able to accomplish the same task by doing: sqlmetal - dbml - xml mapping file and .cs file.

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  • Framework for creating mock objects in Java

    - by Amir Rachum
    This is NOT a question about which is the best framework, etc. I have never used a mocking framework and I'm a bit puzzled by the idea. How does it know how to create the mock object? Is it done in runtime or generates a file? How do you know its behavior? And most importantly - what is the work flow of using such a framework (what is the step-by-step for creating a test). Can anyone explain? You can choose whichever framework you like for example, just say what it is.

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  • If cookie found, get data, else create cookie, is this good logic?

    - by Ryan
    I have an Action that basically adds an item to a cart, the only way the cart is known is by checking the cookie, here is the flow of logic, please let me know if you see any issue... /order/add/[id] is called via GET action checks for cookie, if no cookie found, it makes a new cart, writes the identifier to the cookie, and adds the item to the database with a relation to the cart created if cookie is found, it gets the cart identifier from the cookie, gets the cart object, adds the item to the database with a relation to the cart found so it's basically like... action add(int id){ if(cookie is there) cart = getcart(cookievalue) else cart = makecart() createcookie(cart.id) additemtocart(cart.id, id) return "success"; } Seem right? I can't really thing of another way that would make sense.

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  • Unicode filenames on windows in ruby

    - by delivarator
    I have a piece of code that looks like this: Dir.new(path).each do |entry| puts entry end The problem comes when I have a file named ???????.txt in the directory that I list. On a Windows 7 machine I get the output: ???????.txt From googling around, properly reading this filename on windows seems to be an impossible task. Any suggestions?

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  • Need design ideas generators.

    - by Clubspy
    Hello guys I am a web developer and sometimes I have to do some design myself for my customers but design actually is not my best thing to do. I am looking for a program that can help me getting fast and reliable design ideas but I am not looking for code generator like Artisteer. Actually design is a hard task and my designs always look ugly and messy.

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  • How can I tell what is using the memory when there is a heap overflow in Java?

    - by Grae
    Hi all, I know a little about profiling, but what I am particularlly insterest in, is what has all the memory when I get these heap over flow exceptions. I will start getting them after about a hour of debugging. I am hoping there is some sort of dump or something, that I can use to get a list of what instances are around at the time the program starts. By the way, sorry if this is a lazy question. I really shoud put sometime in learning about profiling. Grae

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  • UDP port binding by multiple applications?

    - by moon
    hello i am trying to bind multiple applications running on different pc's across a single lan network is it a good idea when all applications are receiving on same port and sending at same port for example. app1 (receiving at 10000 port , sending at some ip2 and 10000 port) app2 (receiving at 10000 port , sending at some ip1 and 10000 port) any other good idea for performing this task is also accepted .

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  • How to retain a row which is foreign key in another table and remove other duplicate rows?

    - by Mithril
    I have two table: A: id code 1 A1 2 A1 3 B1 4 B1 5 C1 6 C1 ===================== B: id Aid 1 1 2 4 (B doesn't contain the Aid which link to code C1) Let me explain the overall flow: I want to make each row in table A have different code(by delete duplicate),and I want to retain the Aid which I can find in table B.If Aid which not be saved in table B,I retain the id bigger one. so I can not just do something as below: DELETE FROM A WHERE id NOT IN (SELECT MAX(id) FROM A GROUP BY code, ) I can get each duplicate_code_groups by below sql statement: SELECT code FROM A GROUP BY code HAVING COUNT(*) > 1 Is there some code in sql like for (var ids in duplicate_code_groups){ for (var id in ids) { if (id in B){ return id } } return max(ids) } and put the return id into a idtable?? I just don't know how to write such code in sql. then I can do DELETE FROM A WHERE id NOT IN idtable

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  • Python 3: list atributes within a class object

    - by MadSc13ntist
    is there a way that if the following class is created; I can grab a list of attributes that exist. (this class is just an bland example, it is not my task at hand) class new_class(): def __init__(self, number): self.multi = int(number) * 2 self.str = str(number) a = new_class(2) print(', '.join(a.SOMETHING)) * the attempt is that "multi, str" will print. the point here is that if a class object has attributes added at different parts of a script that I can grab a quick listing of the attributes which are defined.

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  • microsoft indexing service

    - by Daz
    Hello I want to utilise Microsoft indexing service , but I dont like to fact they you need to manually index the files and build the catalog. Is there a way to automate this eg, call an api from code, as a scheduled task , or perhaps command line commands that will index a folder and built the catalog. This is for a searching a document repository built using asp.net Thanks

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  • Make service indepented from activity (Android).

    - by shuwo
    I have an activity with two buttons, start and stop. If the user press the start button a service is created using Context.startService. And the stop button calls Context.stopService. I want the stop button to be the only way to destroy the service. Now, if i end the activity using a task manager, the service is killed as well. Is there any way to avoid this?

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  • JAAS : on Callback ( Interesting based on HTTP headers )

    - by VJS
    I am using NameCallback and PasswordCallback for username and password.For username and password, popup comes on browser and when i enter username ans password, JAAS authenticates my request. On the wireshark, I have seen that 401 Unauthorized message (WWW-Authenticate header)comes and when i enter username/password HTTP request with credentials generate ( with Authorization header) and goes to server. My requirement : I don't want pop up to come.My application on other server having username / password, so once it received 401 then based on some logic it will generate HTTP request with Authorization header / credentials and sent it back. FLow : User - Other Server - My Tomcat5.5 Here on Other Server, nobody is available to enter username/password manually.Application is deployed and it will only generate HTTP request with credential and sent it back to tomcat. Can we have any other callback which behave like this.Need your help.Please provide me feedback as well related to approach.

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  • Given a PHP class would be the best and simplest way to override one or two of its methods with one

    - by racl101
    Here's the objective. I have a PHP class and there are one or two of its methods that I would like to override with my own. As I understand OOP (in PHP and in general) I could write a child class that extends it and overrides the functionality of the methods in question. However, I was wondering if this is the best way of achieving this task and if this is a proper use for child classes or if there is something better in PHP for what I'm trying to do.

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  • jQuery div container

    - by vanzylv
    I'm looking for a component to manage programmaticaly added items (div's) in a parent container.The component should scale child items. Almost like a task bar,if a new item gets added it goes in the div container.

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  • logic question about factorials

    - by Syom
    I have a problem and can't solve it alone. My teacher gives me one logic task today, and i'm sure you can help me. How can I count the number of zeroes at the end of factorial(41). (on paper) I understand that it has nothing to do with programing, but I'm sure programers can help me. Thanks in advance.

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  • Do you know of a good F#&C# interop example available?

    - by Ivan
    I am going to write a C# WinForms application which will run a long data-crunching task in a BackgroundWorker, show progress in a ProgressBar and have buttons to start, pause, resume and cancel the operation. I'd like to write the calculation in F#. Do you know of any good examples or readings available in the Web which can help me?

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  • What event does IE dispatch when an activex control is being unloaded?

    - by tactoth
    Hi I have a ActiveX like this: class CMyActiveX : public CComObjectRootEx... ... { HRESULT FinalContruct(){return S_OK;} void Start() { // a new thread is created here for some task } void FinalRelease() { // if the thread is alive kill it } } However when browser is closed the method FinalRelease is not called. So the thread keeps alive and a crash is encountered at the exit. Any idea on this? Thank you!

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  • Replace a method call

    - by deV
    Hi, I want to achieve below task: 1. I need to search Html.Resource("key") in my application and replace it with GetResource("key",object) 2. The GetResource method has two parameters: the first parameter should be the same as the original method,"key" in this case, and I need to pass in the second parameter which is variable. 3. I need to replace only when the Html.Resource("key") occurs inside certain tags like td and div else I need not replace it. Thanks in advance

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