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  • How do I set sys.excepthook to invoke pdb globally in python?

    - by saffsd
    From Python docs: sys.excepthook(type, value, traceback)¶ This function prints out a given traceback and exception to sys.stderr. When an exception is raised and uncaught, the interpreter calls sys.excepthook with three arguments, the exception class, exception instance, and a traceback object. In an interactive session this happens just before control is returned to the prompt; in a Python program this happens just before the program exits. The handling of such top-level exceptions can be customized by assigning another three-argument function to sys.excepthook. http://docs.python.org/library/sys.html How do I modify this globally so the default action is to always invoke pdb? Is there a configuration file I can change? I don't want to wrap my code to do this.

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  • Creating a Custom UserControl TestContainer for Visual Studio

    - by AMissico
    I like to use the "UserControl TestContainer" that works great for testing a controls properties during design time. Yet it has limitations. Usually, I just create a Windows Form Application to test the control's run-time interface. It would be nice to combine the two phases. Today, I discovered that the test-container is defined in the project file as show below. What I like to do is create my own test-container and use it for my Windows Forms Control Library projects in Visual Studio 2008. I cannot find any specific documentation, and the documentation I found was related to MSTest and not helpful. Any help, suggestions, or research directions for implementing my own test-container? <ItemGroup> <Service Include="{94E38DFF-614B-4cbd-B67C-F211BB35CE8B}" /> </ItemGroup>

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  • Windows Sharepoint Service (WSS) 3.0 search Issue

    - by dewacorp.alliances
    Based on this http://servergrrl.blogspot.com/2008/02/how-to-use-wss-30-to-search-more-than.html blog, I've created a domain account for testing and sets the permission at the side level as well as Document Library to allow specific user (DOMAIN/TestUser1) allow accessing this folder. Now, it's interesting that the user can see the document by drilling though BUT it won't be able to search and the document couldn't find it. But if I tested with the site owner (both primary and secondary), it works nicely. What did I do wrong then? It must be related on permission but I cound't work out what it is. BTW ... I am using WSS not MOSS 2007. Thanks

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  • Ldap search query with parameters

    - by djerry
    Hey guys, I'm using a ldap server to store phonerecords. I want to select a record with a specific telnumber. So this is what I'm doing: LdapSearchResults lsc = _conn.Search(dnForPhonebook, 1, "(&(objectClass=*)(uid=" + id + "))", null, false); I'm using novell library for ldap commands. The options i need to give in for the Search command are the dn to the node "phonebook" (string), scope (int), filter (string), attrrs (string[]) and typesOnly (bool). As you can see, for the filter, i'm pasting the parameter as string in de stringfilter. I was wondering, does ldap have the same way of work as mysql or sql server, which can work with paramaters? Thanks in advance.

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  • Do you know of a bleeding-edge HTML5 leveraging, legacy-ignoring JavaScript framework?

    - by Ivan
    What's the best framework (sort of jquery, extjs, etc like) to use if I'd like to intensively use all the freshest technologies of the HTML5 stack provided by modern browsers (Firefox 3.6+ (Minefield especially), Safari 4+, Chrome 4+) and have absolutely no need to support any legacy browsers (incl. no need in IE support at all, no need in Firefox prior to 3.5, etc.)? I'd like to get all the newest available goodness without having (even abstracted by a library layer) a line of code meant just fore legacy compatibility and keeping no legacy-induced things in mind. To soften the filter, taking very humble hope of such an ideally fresh framework to exist, the least (the maximum level of legacy support) I'd like to agree is not supporting IE versions older than IE8, or better just not supporting IE at all.

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  • C# huge size 2-dim arrays

    - by 4eburek
    I need to declare square matrices in C# WinForms with more than 20000 items in a row. I read about 2GB .Net object size limit in 32bit and also the same case in 64bit OS. So as I understood the single answer - is using unsafe code or separate library built withing C++ compiler. The problem for me is worth because ushort[20000,20000] is smaller then 2GB but actually I cannot allocate even 700MB of memory. My limit is 650MB and I don't understand why - I have 32bit WinXP with 3GB of memory. I tried to use Marshal.AllocHGlobal(700<<20) but it throws OutOfMemoryException, GC.GetTotalMemory returns 4.5MB before trying to allocate memory. I found only that many people say use unsafe code but I cannot find example of how to declare 2-dim array in heap (any stack can't keep so huge amount of data) and how to work with it using pointers. Is it pure C++ code inside of unsafe{} brackets? Could you please provide a small example of working with matrices using pointers in unsafe code.

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  • Monitoring for non-pgp files

    - by Aheho
    For privacy reasons, I want to prevent my users from posting unencrypted files to my ftp site. It is company policy that all data exchanges of sensitive data be encrypted with PGP. I'd like to setup a program to monitor the ftp folders and whenever a new file is placed there, verify that it is in fact encrypted. I can't just rely on the file extension because in some cases, our trading partners require a specific filename that doesn't have a .PGP on the end. Is there a library or another method I can use to verify that a given file is encrypted? I'm using C# and .NET on a windows platform.

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  • Open Source Project & Language Selection

    - by James
    I'm getting ready to start an open-source project that will target .NET/Mono. For those who have started their own open source venture... Do you let the fact that a project is going to be open-source weigh on the decision of what language to use? For example. Most .NET open-source projects are written in C#. However, if you were more comfortable with VB.NET, Boo, Nemerle, etc... would you use it? What other considerations are there? This particular project will be a core library and application for geocaching. Similar to GSAK.

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  • asp.mvc model design

    - by Radu D
    Hi, I am pretty new to MVC and I am looking for a way to design my models. I have the MVC web site project and another class library that takes care of data access and constructing the business objects. If I have in that assembly a class named Project that is a business object and I need to display all projects in a view ... should I make another model class Project? In this case the classes will be identical. Do I gain something from doing a new model class? I don't like having in views references to objects from another dll ... but i don't like duplicating the code neither. Did you encounter the same problem?

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  • Simulating a mouse button click in Windows

    - by Ncarlson
    Hi everyone, I'm writing Remote Desktop clone in C++ using QT. So far I'm able to move the mouse cursor around fine. QT has a nice setPos function for that. However, I'm a bit lost as to what API/Library to use for simulating mouse button clicks. One method I'm aware of is to send the WM_(event) to a window using the window's HWND. However, I was hoping there was a more salient method for taking complete control over a mouse. Is there any other way to tell the operating system that the left mouse button has been clicked? Thanks.

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  • Overlapping two divs and 'clearing' their parent div

    - by brady8
    My CSS-fu is letting me down here: What I'd like to do is position two child divs to be overlapping: Using position: absolute; top: 0px; left: 0px; is the only way I know how, with the parent set to position: relative. The problem with this is that the child divs are taken out of the layout as per the CSS spec, shrinking the parent div to height: 0px, so that I can't clear that div and put any content below. My amazing ASCII art below details what I'm going for... any ideas? As an aside, I need these divs to be overlapping exactly for jQuery fades, and maybe trying out some of the new Webkit transforms, a la Apple's cardflip demo: http://developer.apple.com/safari/library/samplecode/CardFlip/Introduction/Intro.html If there's another way to get them overlapped exactly in CSS, I'm all ears. Thanks! |-------------------------------------------------| | Parent div | | |-------------------------------------------| | | | | | | | DIVS 1 & 2 (overlapped) | | | | | | | |-------------------------------------------| | |-------------------------------------------------| ...more content below, after clearing the parent...

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  • What signing method to use for public open-source projects?

    - by Irchi
    I'm publishing an open-source library on CodePlex, and want the dll files to have strong names so that they can be added to GAC. What's the best option for signing? Should I use SNK? If so, everyone have access to the key. I don't have a problem with everyone having access, but is it a good approach? Should I use PFX? If so, does it mean that other people downloading the source code are not able to build the solution? What I like to do is that I am the only one person to have access to the key, so that the signed assemblies also have a level of authenticity, but meanwhile don't prevent other developers to download, build, or change the source code for themselves, and be able to post changes for the main project.

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  • Make C# application Group Policy aware

    - by Stefan Koell
    I want to make my app GPO aware. I know that it's basically just reading from a specific registry path but I still have some questions: How do I detect GPO refreshes? There's RegisterGPNotification here: http://msdn.microsoft.com/en-us/library/aa374404(VS.85).aspx but is there anything ready baked for C# out there or at Microsoft? What's considered best practice: is the machine policy stronger than the user policy or is the user policy overruling the machine policy? Anyone, who wants to share some experience in that area? Thanks, Stefan

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  • VB.NET 2.0 - StackOverflowException when using Thread Safe calls to Windows Forms Controls

    - by LamdaComplex
    I have a Windows Forms app that, unfortunately, must make calls to controls from a second thread. I've been using the thread-safe pattern described on the http://msdn.microsoft.com/en-us/library/ms171728.aspx. Which has worked great in the past. The specific problem I am having now: I have a WebBrowser control and I'm attempting to invoke the WebBrowser.Navigate() method using this Thread-Safe pattern and as a result I am getting StackOverflow exceptions. Here is the Thread-Safe Navigate method I've written. Private Delegate Sub NavigateControlCallback(ByRef wb As WebBrowser, ByVal url As String) Private Sub AsyncNavigate(ByRef wb As WebBrowser, ByVal URL As String) Try If wb.InvokeRequired Then Dim callback As New NavigateControlCallback(AddressOf AsyncNavigate) callback(wb, url) Else wb.Navigate(url) End If Catch ex As Exception End Try End Sub Is there a Thread-Safe way to interact with WinForms components without the side effect of these StackOverflowExceptions?

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  • wxHaskell on OS X

    - by Bill
    I want to use wxHaskell on OS X (Snow Leopard, MacBook Pro). I was able to install the library successfully and the script below: module Main where import Graphics.UI.WX main :: IO () main = start hello hello :: IO () hello = do f <- frame [text := "Hello!"] quit <- button f [text := "Quit", on command := close f] set f [layout := widget quit] does result in a window being displayed with a single button, as specified. However, nothing happens when I click the button - I don't even get the visual response of the button turning blue to indicate that it's been depressed (haha, no pun intended). I've heard that you have to run a package called "macosx-app" on wxHaskell binaries to get them to run, but I can't find this anywhere. It's not on my machine or (as far as I can tell) in the WX or wxHaskell distros. Anyone know what I need to do to get this to work?

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  • Python Scraper for Javascript?

    - by Diego
    Hey all, Can anyone direct me to a good Python screen scraping library for javascript code (hopefully one with good documentation/tutorials)? I'd like to see what options are out there, but most of all the easiest to learn with fastest results... wondering if anyone had experience. I've heard some stuff about spidermonkey, but maybe there are better ones out there? Specifically, I use BeautifulSoup and Mechanize to get to here, but need a way to open the javascript popup, submit data, and download/parse the results in the javascript popup. <a href="javascript:openFindItem(12510109)" onclick="s_objectID=&quot;javascript:openFindItem(12510109)_1&quot;;return this.s_oc?this.s_oc(e):true">Find Item</a> I'd like to implement this with Google App engine and Django. Thanks!

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  • Hierarchical data table for JSF2 and RichFaces

    - by Iravanchi
    I'm using RichFaces on my JSF2 application, and I need a way to have something like a tree-column or tree-table. As far as I know, there's no support for such thing in RichFaces. Something's mentioned for RichFaces 4.0, but the priority of this in their plan isn't promising at all, and I don't think that it's going to be included in 4.0. I know there's a tree table available in IceFaces, but I'd rather not add another library to avoid conflicts and learning curve and ... So, I'm looking for the simplest way that I can achieve the same results with minimum efforts, maybe using sub-tables in RichFaces? Any ideas would be appreciated.

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  • Cross-platform configuration, options, settings, preferences, defaults

    - by hippietrail
    I'm interested in peoples' views on how best to store preferences and default settings in cross-platform applications. I primarily work in Perl on *nix and Windows but I'm also interested in the bigger picture. In the *nix world "dotfiles" (and directories) are very common with system-wide or application default settings generally residing in one path and user-specific settings in the home directory. Such files and dirs begin with a dot "." and are hidden by default from directory listings. Windows has the registry which also has paths for defaults and per-user overrides. Certain cross-platforms do it their own way, Firefox uses JavaScript preference files. Should a cross-platform app use one system across platforms or say dotfiles on *nix and registry on Windows? Does your favourite programming language have a library or module for accessing them in a standard way? Is there an emerging best practice or does everybody roll their own?

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  • How to assert/unit-test servers JSON response?

    - by shazax
    My current project uses JSON as data interchange format. Both Front-end and Back-end team agree upon a JSON structure before start integrating a service. At times due to un-notified changes in JSON structure by back-end team; it breaks the front-end code. Is there any external library that we could use to compare a mock JSON (fixture) with servers JSON response. Basically it should assert the whole JSON object and should throw an error if there is any violation in servers JSON format. Additional info: App is built on JQuery consuming REST JSON services.

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  • Validating a Postscript without trying to print it?

    - by Epaga
    Saving data to Postscript in my app results in a Postscript file which I can view without issues in GhostView, but when I try to print it, the printer isn't able to print it because it seems to be invalid. Is there a way to validate / find errors in Postscript files without actually sending it to a printer? Preferred would be some kind of Java API/library, but a program which does the same would be fine as well. Edit #1 : no I don't know why it's invalid, nor even necessarily if it's invalid, but would like to be able to validate it outside of ghostview, or figure out what's going on when it can't print. Answer : Well using the ps2ps trick I was able to see the output that Postscript does and there check the difference. The difference was that I am not allowed to have a decimal number for the width or height of images in the Postscript, but rather only integers. So I still didn't find a way to validate, but this way was good enough for my problem. Thanks.

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  • Python / Django : emulating a multidimensional layer on a MySQL database

    - by Sébastien Piquemal
    Hi, I'm working on a Django project where I need to provide a lot of different visualizations on the same data (for example average of a value for each month, for each year / for a location, etc...). I have been using an OLAP database once in college, and I thought that it would fit my needs, but it appears that it is much too heavy for what I need. Actually the volume of data is not very big, so I don't need any optimization, just a way to present different visualizations of the same data without having to write 1000 times the same code. So, to recap, I need a python library: to emulate a multidimensional database (OLAP style would be nice because I think it is quite convenient : star structure, and everything) non-intrusive, because I can't modify anything on the existing MySQL database easy-to-use, because otherwise there's no point in replacing some overhead by another.

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  • IE6 image scaling with bicubic filter

    - by thehuby
    I have a project where I have to resize some images in the actual browser side. IE8, FF3 et al all apply a filter to smooth the resizing of the image, so in these browsers everything looks good. In IE7 I have applied the following fix which works great: -ms-interpolation-mode:bicubic; In IE6 however I can only find references to the AlphaImage Filter (the same one used to enable alpha transparency on PNG files). However I can't find an example of how to use it, nor have I been able to get it working myself. Can anyone provide me with an example? Preferably applied to actual img tags, though I could use background images if required. MSDN link (for what its worth): http://msdn.microsoft.com/en-us/library/ms532969%28VS.85%29.aspx The code I am using in my CSS is applied to the img, though I've tried applying it to the img container as well (with no effect): #provider-list li img { filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="/image.gif", sizingMethod="scale"); } A thousand thank you's in advance :) Rick

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  • When/Why ( if ever ) should i think about doing Generic Programming/Meta Programming

    - by hotadvice
    Hi there IMHO to me OOPS, design patterns make sense and i have been able to apply them practically. But when it comes to "generic programming /meta programming" of the Modern C++ kind, i am left confused. -- Is it a new programming/design paradigm ? -- Is it just limited to "library development"? If not, What design/coding situations call for using meta programming/generic programming. -- Does using templates mean i am doing generic programming? I have googled a lot on this topic but do not grasp the BIG PICTURE fully. Also see this post. After reading dicussions here under, up till now, I am sure ( might still not be correct): a) Generic programming and meta programming are two different concepts.

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  • What interprocess locking calls should I monitor?

    - by Matt Joiner
    I'm monitoring a process with strace/ltrace in the hope to find and intercept a call that checks, and potentially activates some kind of globally shared lock. While I've dealt with and read about several forms of interprocess locking on Linux before, I'm drawing a blank on what to calls to look for. Currently my only suspect is futex() which comes up very early on in the process' execution. Update0 There is some confusion about what I'm after. I'm monitoring an existing process for calls to persistent interprocess memory or equivalent. I'd like to know what system and library calls to look for. I have no intention call these myself, so naturally futex() will come up, I'm sure many libraries will implement their locking calls in terms of this, etc. Update1 I'd like a list of function names or a link to documentation, that I should monitor at the ltrace and strace levels (and specifying which). Any other good advice about how to track and locate the global lock in mind would be great.

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  • How to unmangle exported symbols from C++ in dynamic libraries in XCode on OSX

    - by Gerald
    I've been trying to develop a dynamic library in C++ that can be run-time loaded in an application. I finally got it working, but it's a little ugly. I have a function that takes a pointer to a C++ class as an argument, which looks like this: bool registerGrindPlugin( Grind::PluginManager* mgr ); But of course it's being exported as: _Z19registerGrindPluginPN5Grind13PluginManagerE I tried a .c file with a simple function and it exported fine as "registerGrindPlugin", but of course I can't pass a C++ class as the argument that way. Soo... my question is, is there a way to unmangle or alias the exported symbol so that I don't have to use a monstrosity like Z19registerGrindPluginPN5Grind13PluginManagerE in my dlsym call? I did see something about -alias_list as a linker option, but I haven't quite figured out how to use it in XCode. If that is the solution, can somebody provide some more details on how to use this?

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