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  • main vs initialize in Ruby

    - by Dave
    Okay, so I've looked through a couple of my ruby books and done some googling to no avail. What is the difference between main and initialize in Ruby? I've seen code that uses class Blahblah def main some logic here end #more methods... end and then calls it using Blahblah.new. Isn't new reserved only for initialize? if not, then what's the difference between the two?

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  • android mobile development performance vs extensibility

    - by mixm
    im developing a game in android, and i've been thinking about subdividing many of the elements of the game (e.g. game objects) into separate classes and sub-classes. but i know that method calls to these objects will cause some overhead. would it be better to improve performance or to improve extensibility?

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  • Flash Yahoo Maps has stopped working?

    - by rforte
    In the past week it appears that Yahoo has changed their crossdomain file to only accept Yahoo domains (http://maps.yahooapis.com/crossdomain.xml): This is causing my applications that use Yahoo Maps to stop working (i.e. security exception). I cannot proxy the calls to Yahoo because the URL is embedded in the MXP file that Yahoo distributes. Does anyone know if there's a workaround or update to this?

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  • Impersonation on Windows 2000 to Windows XP Leaves Connections Open

    - by Tallek
    I'm running on a Windows 2000 Pro SP4 box (off domain) and trying to impersonate a local user on a Windows XP box (on domain). I'm using code very similar to the WindowsImpersonationContextFacade in the question posted here: http://stackoverflow.com/questions/879704/how-can-i-temporarily-impersonate-a-user-to-open-a-file. I am using impersonation to remotely start and stop windows services as well as access network shares (for some automated integration tests). To get this working, i had to use LOGON32_PROVIDER_DEFAULT and LOGON32_LOGON_NEW_CREDENTIALS when calling LogonUser. Everything worked beautifully ( Windows XP on domain to Windows XP on domain, Windows XP on domain to Windows Server 2003 off domain, and even Windows XP on domain to Windows 2000 off domain). The one issue was running on Windows 2000 Pro SP4 off the domain and trying to impersonate a local user on a Windows XP box running on the domain. To get the Windows 2000 piece working, i had to use LOGON32_PROVIDER_WINNT50 and LOGON32_LOGON_NEW_CREDENTIALS when calling LogonUser. This seemed to get me 95% of the way there, i could now impersonate the local user on the XP box and start/stop services as well as access a network share using the impersonated credentials. I'm running in to one problem though, calling Undo impersonation and closing the token handle seems to leave the connection to the remote box open. After about 10 or so impersonation calls, further impersonation attempts will fail with an error saying something about too many connections are currently open. If i look at the Computer Management - System Tools - Shared Folders - Sessions on my remote Windows XP box, i can see about 10 sessions open to the Windows 2000 box. I can manually close these (i think they may eventually close themselves, but not very quickly) and then impersonation begins working again few more times. This open session issue doesn't seem to be a problem in any of my other test scenarios, just when running locally on a Windows 2000 box. Any ideas? Edit 1: After some more testing and trying out many different things, this seems to be an issue with open sessions not being reused. On Windows 2000 only, every call to LogonUser to get a token and then using that token to impersonate seems to result in a new session being created. I'm guessing Windows XP & Windows Server 2003 are reusing open sessions since i don't seem to be having any issues with them. If I call LogonUser once, then cache the token, I seem to be able to make as many calls to impersonate as I need using the cached token without running in to the "too many connections" issue. This seems like an ugly work around though since i can't call CloseHandle() on my token every time i perform impersonation. Anybody have any thoughts or ideas, or am i stuck with this ugly hack? Thanks

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  • insert in the head tag after wp_head

    - by Umair
    Using wordpress 2.9.2. I am loading my css files for plugins as they are being called, which ofcourse is after my header has been loaded. I want to insert the calls those css files in the HEAD tag of the page, which can be done if i get a hook which includes lines in the head after wp_head() has been called. Help !

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  • sleep/wait in android apps

    - by Lynnooi
    Hi, I had an activity which calls a thread for 10times one after another. However, if the network is slow or too much information loaded, force close will occur. Will adding sleep in each thread help to solve this problem? or is there any other ways to solve it?

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  • Android: how to share code between projects signed with the same certificate

    - by tomash
    In Android documentation concerning code signing we can read: "By signing multiple applications with the same certificate and using signature-based permissions checks, your applications can share code and data in a secure manner." How exactly such code sharing can be done? Is it possible to release main application and multiple exchangeable plugins then discover them at runtime? What does source code looks like and what are advantages over "standard" intents calls from/to different APK packages?

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  • Job queue manager with RPC interface

    - by admr
    I need a job queue manager that I can control over the Internet. It should be able to execute and stop processes, check on their status (ideally notice and execute some code when a process exits), respond to commands and also be able to report back to a server. Background: I have a GWT application that allows to create jobs to execute on a cloud instance (currently EC2). I want to push a "job packet" (data for a process to operate on etc) to S3, start a Linux EC2 instance (or use one that's already running), and tell a job manager on the instance to execute that job (possibly parallel to other jobs). It should then pull the "job packet" from S3, run a process that operates on that data and report back to the server that is running the server part of my GWT application with some information (e.g. exit code, stdout, stderr). If I have to write e.g. stdour/err to a file from the process and read that file, that's OK too. I would really like the manager to be "close" to the processes it runs, meaning I want to avoid using something like Runtime.exec from the JDK. It seems like I would have to do that if I used Quartz for example. I'm fine with the calls in both directions being asynchronous. I'm fine with any reasonable technology for the calls as long as I can easily build an interface for that in my GWT server side (e.g. HTTP requests to a servlet over SSL would be nice and trivial). The job manager does not need to have a very sophisticated queueing system. Running several processes either sequentially or in parallel should be fine. Determining how much compute time a process received during its lifetime would be nice (AFAIK, this might be challenging). I did not yet find any existing software that does this, including http://java-source.net/open-source/job-schedulers. I suspect I might have to build an RPC interface (with authentication etc, of course) around a job manager; maybe use something like Apache Commons Exec. In that case, I would prefer Java or Python for the job manager part. I would be happy to hear suggestions for either the former or latter scenario!

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  • Conflicts with jQuery and the ToolkitScirptManager?

    - by RUtt
    It just started experimenting with the ajax.net ToolkitScirptManager and it works fine but then I realized that it is breaking my ajax calls I'm doing using the jQuery library. I'm guessing that it is the issue with the $ symbol, does anyone have anythoughts on how to use both libraries. I don't want to use jquery's noconflict mode because we use other jquery plugins that I'm afraid won't work. Any thoughts?

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  • Is there any way to delete an HttpOnly cookie from C# Selenium tests?

    - by BenA
    I have a set of C# Selenium tests that need to delete a cookie that has the HttpOnly flag set. Unfortunately the DefaultSelenium.GetCookie() and DefaultSelenium.DeleteCookie() commands aren't able to access the cookie, because it has that HttpOnly flag set. I've confirmed this by removing the flag by hand, and checking that subsequent calls to either of those methods are then happily able to manipulate the cookie in question. Is there any other way to do this via the Selenium .NET client driver? All ideas welcome!

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  • Get Value from thick box control

    - by Muhammad Akhtar
    I have hidden field on thick box, when I close thick I need to get the value of my hidden field, when close thick box this method calls function tb_remove(parent_func_callback) { parent.document.getElementById('hdf').value// I need value of hidden field here please tell me how can I get hidden field value that is on thick box? Thanks

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  • Transactions in MVC asp.net

    - by bergin
    Hi, Was wondering if there are any transactions support in asp.net for MVC 2? i.e. commit & rollback? I have a few slightly risky db transacts which i'd prefer firmed up with transactions. could the system transactions namespace be incorporated into a respository of db calls?

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  • Is a control tree cached after the first call to FindWindowEx/EnumChildWindows?

    - by Ion Todirel
    I noticed that if you call FindWindowEx or EnumChildWindows against a hWnd that belongs to a window that's not in the foreground, i.e. minimized, then they don't report any children. On the other hand if I first call SetForegroundWindow against the window I'm querying, and after that FindWindowEx or EnumChildWindows, they report all the children. Next calls report all the children even if the window I'm interested in is not in foreground. It's almost it does some sort of caching after the first call?

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  • lua table C api

    - by anon
    I know of: http://lua-users.org/wiki/SimpleLuaApiExample It shows me how to build up a table (key, value) pair entry by entry. Suppose instead, I want to build a gigantic table (say something a 1000 entry table, where both key & value are strings), is there a fast way to do this in lua (rather than 4 func calls per entry: push key value rawset Thanks!

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  • Mixing JQuery Ajax with ASP.NET : is there any security risk

    - by Sayem Ahmed
    I am using jQuery with ASP.NET in a project. Instead of using ASP.NET Ajax, I am using jquery's ajax functions. Is there any security risk if I do that? I mean, since I am using jquery's ajax calls, no view state information will be passed to the server so that it can verify the page's authenticity (though it saves a lot of bandwidth..). I would also like to know what is the best/good practice here.

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  • IE6 secure and nonsecure error - nothing in Fiddler/no iframes

    - by seengee
    Hi, I've got the issue of IE6 showing the "secure and nonsecure items" error on an SSL page. Looking into it though none of the usual causes seem to apply. There are no calls to http://, there are no iframes in the page, fiddler and httpfox both show only requests to https:// - what else can i check? In Firefox and IE there is nothing to suggest there is mixed content at all

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  • Path to WordPress Template Directory inside jQuery?

    - by Norbert
    My header is calling a javascript file which sends out an email: <script type="text/javascript" src="<?php bloginfo('template_directory') ?>/css/effects.js"></script> But inside this file, I have a jQuery code that calls a .php file that does the actual sending of the email: $.ajax({ type: "POST", url: "css/sendmail.php", data: dataString` But the script doesn't work, unless the url is: <?php bloginfo('template_directory') ?>/css/sendmail.php and not just: css/sendmail.php Is there any way to include a path to the wordpress template directory inside js?

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  • junit mock objects

    - by Codenotguru
    i am new to junit so any help is appreciated. I have a class called sysconfig.java for which i have written a junit class file called TestSysconfig.java that tests some methods in the sysconfig.java. The method that i am testing in sysconfig.java calls another class file "ethipmapping.java" i have created a mock of this class file as Testethipmapping.java. so my question is how do i tell sysconfig.java to call this mock object?

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  • Unlocking a mutex from a different thread (C++)

    - by dan
    I'm using the C++ boost::thread library, which in my case means I'm using pthreads. Officially, a mutex must be unlocked from the same thread which locks it, and I want the effect of being able to lock in one thread and then unlock in another. There are many ways to accomplish this. One possibility would be to write a new mutex class which allows this behavior. For example: class inter_thread_mutex{ bool locked; boost::mutex mx; boost::condition_variable cv; public: void lock(){ boost::unique_lock<boost::mutex> lck(mx); while(locked) cv.wait(lck); locked=true; } void unlock(){ { boost::lock_guard<boost::mutex> lck(mx); if(!locked) error(); locked=false; } cv.notify_one(); } // bool try_lock(); void error(); etc. } I should point out that the above code doesn't guarantee FIFO access, since if one thread calls lock() while another calls unlock(), this first thread may acquire the lock ahead of other threads which are waiting. (Come to think of it, the boost::thread documentation doesn't appear to make any explicit scheduling guarantees for either mutexes or condition variables). But let's just ignore that (and any other bugs) for now. My question is, if I decide to go this route, would I be able to use such a mutex as a model for the boost Lockable concept. For example, would anything go wrong if I use a boost::unique_lock< inter_thread_mutex for RAII-style access, and then pass this lock to boost::condition_variable_any.wait(), etc. On one hand I don't see why not. On the other hand, "I don't see why not" is usually a very bad way of determining whether something will work. The reason I ask is that if it turns out that I have to write wrapper classes for RAII locks and condition variables and whatever else, then I'd rather just find some other way to achieve the same effect.

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  • how to pass Html.TextBox to controller?

    - by sam26092004
    May be this simple. But, I've hard time figuring it out. I've a controller with different actions that calls the DB code and return result. I want to pass the value of text box to different actions in controller. How to do it? I know that, I can pass values by using form. But, I don't to know how to call different actions in controller from single view.

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