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• Web-based (intranet / non-hosted) timesheet / project tracking tools

  - by warren

  I realize some similar questions have been asked along these lines before, but from reading-through them today, it appears they don't match my use case. I am looking for a web-based, non-hosted time and project tracking tool. I've downloaded Collabtive and Achievo so far, but am looking for other suggestions, too. My list of requirements: runs on standard LAMP stack non-hosted (ie, there is an option to download and run it on a local server) not a desktop/single-user application easy-to-use - my audience is a mix of technical and non-technical folks easy to maintain - when time for upgrading comes, I'd really like to not have to rebuild the app (a la ./configure ; make ; make install) needs to support multiple users free-form project additions: we don't have a central project management authority (users should be able to add whatever they're working on, not merely from a drop-down) Does anyone here have experience with such tools? It doesn't have to be free.. but free is always nice :)

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• Pythonic use of the isinstance function?

  - by Pace

  Whenever I find myself wanting to use the isinstance() function I usually know that I'm doing something wrong and end up changing my ways. However, in this case I think I have a valid use for it. I will use shapes to illustrate my point although I am not actually working with shapes. I am parsing XML configuration files that look like the following: <square> <width>7</width> </square> <rectangle> <width>5</width> <height>7</height> </rectangle> <circle> <radius>4</radius> </circle> For each element I create an instance of the Shape class and build up a list of Shape objects in a class called the ShapeContainer. Different parts of the rest of my application need to refer to the ShapeContainer to get certain shapes. Depending on what the code is doing it might need just rectangles, or it might operate on all quadrangles, or it might operate on all shapes. I have created the following function in the ShapeContainer class (the actual function uses a list comprehension but I have expanded it here for readability): def locate(self, shapeClass): result = [] for shape in self.__shapes: if isinstance(shape,shapeClass): result.append(shape) return result Is this a valid use of the isinstance function? Is there another way I can do this which might be more pythonic?

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• MEF, IServiceProvider and Testing Visual Studio Extensions

  - by Daniel Cazzulino

  In the latest and greatest version of Visual Studio, MEF plays a critical role, one that makes extending VS much more fun than it ever was. So typically, you just [Export] something, and then someone [Import]s it and that's it. MEF in all its glory kicks in and gets all your dependencies satisfied. Cool, you say, so let's now import ITextTemplating and have some T4-based codegen going! Ah, if only it was that easy. Turns out by default, none of the VS built-in services are exposed to MEF, apparently because there wasn't enough time to analyze the lifetime, initialization, dependencies, etc. for each one before launch, which makes perfect sense. You don't want to blindly export everything now just in case. There's also the whole VS package initialization thing which in this version of VS is not so transparently integrated with the MEF publishing side (i.e. a MEF export from a package can get instantiated before its owning package, and in fact, the package can remain unloaded forever and the export will continue to be visible to anyone)....Read full article

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• prevent search engines indexing depending on domain

  - by Javier

  We have a dedicated server with a hosting company with a couple of dozens of webs in it. It happens that the nameservers (EG: ns1.domain.com, ns2.domain.com) ip's are coincident with some client webs, let's say webclient1.com and webclient2.com Problem is that for a certain searches in google, some results are showing up like ns1.domain.com/result instead of webclient1.com/result which is pretty wrong and annoying for our clients. Actually if you type in the browser ns1.domain.com or ns2.domain.com it will load some pageclients instead. Is there any way to prevent google to track those results only in case the robots are coming to check ns domains? It may be not correct to ask this as well, but why is it happening? is it a result of a bad server configuration? I'm pretty new on these matters, so thank you in advance for any help!

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• What is the correct way to restart udev in Ubuntu?

  - by zerkms

  I've changed the name of my eth1 interface to eth0. How to ask udev now to re-read the config? service udev restart and udevadm control --reload-rules don't help. So is there any valid way except of rebooting? (yes, reboot helps with this issue) UPD: yes, I know I should prepend the commands with sudo, but either one I posted above changes nothing in ifconfig -a output: I still see eth1, not eth0. UPD 2: I just changed the NAME property of udev-rule line. Don't know any reason for this to be ineffective. There is no any error in executing of both commands I've posted above, but they just don't change actual interface name in ifconfig -a output. If I perform reboot - then interface name changes as expected. UPD 3: let I explain all the case better ;-) For development purposes I write some script that clones virtual machines (VirtualBox-driven) and pre-sets them up in some way. So I perform a command to clone VM, start it and as long as network interface MAC is changed - udev adds the second rule to network persistent rules. Right after machine is booted for the first time there are 2 rules: eth0, which does not exist, as long as it existed in the original VM image MAC eth1, which exists, but all the configuration in all files refers to eth0, so it is not that good for me So I with sed delete the line with eth0 (it is obsolete and useless in cloned image) and replace eth1 with eth0. So currently I have valid persistent rule, but there is still eth1 in /dev. The issue: I don't want to reboot the machine (it will take another time, which is not good thing on building-VM-stage) and just want to have my /dev rebuilt with some command so I have ready-to-use VM without any reboots.

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• Enabling support of EUS and Fusion Apps in OUD

  - by Sylvain Duloutre

  Since the 11gR2 release, OUD supports Enterprise User Security (EUS) for database authentication and also Fusion Apps. I'll plan to blog on that soon. Meanwhile, the R2 OUD graphical setup does not let you configure both EUS and FusionApps support at the same time. However, it can be done manually using the dsconfig command line. The simplest way to proceed is to select EUS from the setup tool, then manually add support for Fusion Apps using dsconfig using the commands below: - create a FA workflow element with eusWfe as next element: dsconfig create-workflow-element \           --set enabled:true \           --set next-workflow-element:Eus0 \           --type fa \           --element-name faWfe - modify the workflow so that it starts from your FA workflow element instead of Eus: dsconfig set-workflow-prop \           --workflow-name userRoot0 \           --set workflow-element:faWfe  Note: the configuration changes may slightly differ in case multiple databases/suffixes are configured on OUD.

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• Virtualbox shared folder mount from fstab fails; works once bootup is complete

  - by Ben

  I've got Ubuntu 13.10 installed in Virtualbox 4.3. The host machine is Windows. I have a couple of Virtualbox shared folders being mounted by /etc/fstab. Until recently this setup worked just fine, but after upgrading from Ubuntu 13.04 and Virtualbox 4.2 (at essentially the same time) the fstab mounting stopped working. I get the following error during boot: An error occurred while mounting /home/benme/Documents. keys:Press S to skip mounting or M for manual recovery Pressing M for manual recovery and then trying to mount manually also fails: root@benme-vb:~# cd /home/benme root@benme-vb:/home/benme# mount Documents /sbin/mount.vboxsf: mounting failed with the error: No such device But if I instead skip mounting during boot, wait for Unity to start and then mount manually in a shell, everything works fine: benme-vb ~ % ls Documents benme-vb ~ % sudo mount Documents [sudo] password for benme: benme-vb ~ % ls Documents # actual file list omitted Note that when I mount manually I'm letting mount take all the options from /etc/fstab, and it works. This suggests to me that it's some sort of timing issue, where Virtualbox isn't "ready" to provide the shared file mounts at the point /etc/fstab mounts are run during bootup. Here's the fstab line, just for completeness: Documents /home/benme/Documents vboxsf uid=benme,gid=benme,dmode=774,fmode=664 0 0 Is there something I can do about this from the Ubuntu side? Or does anyone happen to know more about this from the Virtualbox angle? I've found an old report on the Virtualbox bug-tracker with identical symptoms, but in that case the user had updated Virtualbox without updating their guest additions and resolving that fixed the problem; this isn't happening here, I've definitely got the 4.3 guest additions installed.

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• Debugging Node.js applications for Windows Azure

  - by cibrax

  In case you are developing a new web application with Node.js for Windows Azure, you might notice there is no easy way to debug the application unless you are developing in an integrated IDE like Cloud9. For those that develop applications locally using a text editor (or WebMatrix) and Windows Azure Powershell for Node.js, it requires some steps not documented anywhere for the moment. I spent a few hours on this the other day I practically got nowhere until I received some help from Tomek and the rest of them. The IISNode version that currently ships with the Windows Azure for Node.js SDK does not support debugging by default, so you need to install the IISNode full version available in the github repository.  Once you have installed the full version, you need to enable debugging for the web application by modifying the web.config file <iisnode debuggingEnabled="true" loggingEnabled="true" devErrorsEnabled="true" /> The xml above needs to be inserted within the existing “<system.webServer/>” section. The last step is to open a WebKit browser (e.g. Chrome) and navigate to the URL where your application is hosted but adding the segment “/debug” to  the end. The full URL to the node.js application must be used, for example, http://localhost:81/myserver.js/debug That should open a new instance of Node inspector on the browser, so you can debug the application from there. Enjoy!!

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• ArchBeat Link-o-Rama Top 20 for June 3-9, 2012

  - by Bob Rhubart

  The top twenty most popular links as shared via my social networks for the week of June 3-9, 2012. SOA Analysis within the Department of Defense Architecture Framework (DoDAF) 2.0 – Part II | Dawit Lessanu Driving from Business Architecture to Business Process Services | H. V. Ganesarethinam Book Review: Oracle Application Integration Architecture (AIA) Foundation Pack 11gR1: Essentials | Rajesh Raheja Oracle Enterprise Manager Ops Center 12c: Enterprise Controller High Availability (EC HA)| Anand Akela Integrating OBIEE 11g into Weblogic’s SAML SSO | Andre Correa Introducing Decision Tables in the SOA Suite 11g Business Rule component | Lucas Jellema EJB 3.1: Stateless Session Bean Deployed as .war, Dependency Injection, Asynchronous Methods | Frank Munz Educause Top-Ten IT Issues - the most change in a decade or more | Cole Clark Oracle VM RAC template - what it took | Wim Coekaerts WebCenter Content shared folders for clustering | Kyle Hatlestad CRUD Use Case Implementation and ADF Query Search | @AndrejusB Introducing Oracle Cloud | Larry Ellison Exalogic Webcast Series: Rethink Your Business Application Deployment Strategy BI Architecture Master Class for Partners - Oracle Architecture Unplugged Creating an Oracle Endeca Information Discovery 2.3 Application | Mark Rittman Eclipse DemoCamp - June 2012 - Redwood Shores, CA Oracle Cloud offering - What makes it unique? | Tom Laszewski Virtualization at Oracle - Six Part Series The right way to transform your business via the cloud | David Linthicum Protecting a WebCenter app with OAM 11g | Chris Johnson Thought for the Day "Programming without an overall architecture or design in mind is like exploring a cave with only a flashlight: You don't know where you've been, you don't know where you're going, and you don't know quite where you are." — Danny Thorpe Source: softwarequotes.com

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• What is a good support knowledge base tool?

  - by Guillaume

  I have been searching for a tool to help my team organize its knowledge for resolving recurring support cases. I know this question will probably be closed, but I'll try my change anyway because I know that I can have some good answers about that. Context: our team is developing and supporting an huge applications (lots of different screens and workflow processes. We already have a good tool for managing our documentation, but we are struggling with support cases. Support action involve often quite a lot of manual steps to fix stuff and the knowledge for these actions is more 'oral transmission' than modern tools. We need an efficient way to store them in a knowledge base to be able to retrieve similar cases based on patterns (a stacktrace, an error message, a component name, a workflow step, ...) and ranked by similarity. Our wiki search is not very powerful when it come to this kind of search and the team members don't want to 'waste' time writing a report that will never be found... Do you know efficient knowledge base tool for this kind of use case ?

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• Google Chrome "warn to quit" not warning on Cmd + Tab quit

  - by Theron Luhn

  As a Mac poweruser, I often use Cmd + Tab to switch between applications. Tab is unfortunately close to Q, so I often end up jamming Cmd + Q as well by accident. On most applications, this isn't a problem; a popup appears confirming if I want to quit, and I just click "cancel." However, this isn't the case with Google Chrome. I checked "warn before quitting", and when I press Cmd + Q a box saying "Hold Cmd + Q to quit" pops up. But when jamming Cmd + Q while switching to Chrome using Cmd + Tab, it completely ignores the "warn before quitting" policy and quits immediately. Any way to fix this annoyance? Switching either of the shortcuts to something else would fix the problem, but I'm not able to find a way to do so.

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• "Sent on behalf" not appearing when delegates sending mails

  - by New Steve

  Ringo is a delegate of Paul's mailbox in Exchange, but when Ringo sends mail from Paul's mailbox, the recipient sees "Paul" in the sender field, rather than "Paul Sent On Behalf Of Ringo" Paul has set "Editor" permissions for Ringo to his mailbox, and Ringo has been granted "Send on behalf of" permissions in Exchange. Ringo did at one time have "Send As" permissions for Paul's mailbox in Exchange, but this has since been removed. This is also the case for all other delegates to Paul's mailbox. How do I make it so that emails sent by Paul's delegates show the "Sent On Behalf Of" information in the Sender field? Using Exchange Server 2007 and Microsoft Office Outlook 2007

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• Javascript: Machine Constants Applicable?

  - by DavidB2013

  I write numerical routines for students of science and engineering (although they are freely available for use by anybody else as well) and am wondering how to properly use machine constants in a JavaScript program, or if they are even applicable. For example, say I am writing a program in C++ that numerically computes the roots of the following equation: exp(-0.7x) + sin(3x) - 1.2x + 0.3546 = 0 A root-finding routine should be able to compute roots to within the machine epsilon. In C++, this value is specified by the language: DBL_EPSILON. C++ also specifies the smallest and largest values that can be held by a float or double variable. However, how does this convert to JavaScript? Since a Javascript program runs in a web browser, and I don't know what kind of computer will run the program, and JavaScript does not have corresponding predefined values for these quantities, how can I implement my own version of these constants so that my programs compute results to as much accuracy as allowed on the computer running the web browser? My first draft is to simply copy over the literal constants from C++: FLT_MIN: 1.17549435082229e-038 FLT_MAX: 3.40282346638529e+038 DBL_EPSILON: 2.2204460492503131e-16 I am also willing to write small code blocks that could compute these values for each machine on which the program is run. That way, a supercomputer might compute results to a higher accuracy than an old, low-level, PC. BUT, I don't know if such a routine would actually reach the computer, in which case, I would be wasting my time. Anybody here know how to compute and use (in Javascript) values that correspond to machine constants in a compiled language? Is it worth my time to write small programs in Javascript that compute DBL_EPSILON, FLT_MIN, FLT_MIN, etc. for use in numerical routines? Or am I better off simply assigning literal constants that come straight from C++ on a standard Windows PC?

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• Alternative to WMP for mp3 player sync

  - by Dan Neely

  I've been using WMP to sync to my Creative Zen since I bought it a year ago. It worked fine when my collection was still smaller than its capacity, but that's no longer the case, and I can't find any way to specify which music should be synced/not synced. WMP's sync by alphabetical order is an unacceptable option. What I think I want is something that would show my collection organized by artist/album/song (with file size info) in a treeview with checkboxes that saves my selections so I just have make adjustments as needed with new albums instead of having to rebuild my list from scratch every time.

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• How to "translate" interdependent object states in code?

  - by Earl Grey

  I have the following problem. My UI interace contains several buttons, labels, and other visual information. I am able to describe every possible workflow scenario that should be be allowed on that UI. That means I can describe it like this - when button A is pressed, the following should follow - In the case of that A button, there are three independent factors that influence the possible result when pushing the A button. The state of the session (blank, single, multi, multi special), the actual work that is being done by the system at the moment of pressing the A button (nothing was happening, work was being done, work was paused) and a separate UI element that has two states (on , off)..This gives me a 3 dimensional cube with 24 possible outcomes. I could write code for this using if cycles, switch cycles etc....but the problem is, I have another 7 buttons on that ui, I can enter this UI from different states..some buttons change the state, some change parameters... To sum up, the combinations are mindbogling and I am not able come up with a methodology that scales and is systematically reliable. I am able to describe EVERY workflow with words, I am sure my description is complete and without logical errors. But I am not able to translate that into code. I was trying to draw flowcharts but it soon became visually too complicated due to too many if "emafors". Can you advice how to proceeed?

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• Is defining every method/state per object in a series of UML diagrams representative of MDA in general?

  - by Max

  I am currently working on a project where we use a framework that combines code generation and ORM together with UML to develop software. Methods are added to UML classes and are generated into partial classes where "stuff happens". For example, an UML class "Content" could have the method DeleteFromFileSystem(void). Which could be implemented like this: public partial class Content { public void DeleteFromFileSystem() { File.Delete(...); } } All methods are designed like this. Everything happens in these gargantuan logic-bomb domain classes. Is this how MDA or DDD or similar usually is done? For now my impression of MDA/DDD (which this has been called by higherups) is that it severely stunts my productivity (everything must be done The Way) and that it hinders maintenance work since all logic are roped, entrenched, interspersed into the mentioned gargantuan bombs. Please refrain from interpreting this as a rant - I am merely curious if this is typical MDA or some sort of extreme MDA UPDATE Concerning the example above, in my opinion Content shouldn't handle deleting itself as such. What if we change from local storage to Amazon S3, in that case we would have to reimplement this functionality scattered over multiple places instead of one single interface which we can provide a second implementation for.

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• How to give a Linux user permission to create backups, but not permission to delete them?

  - by ChocoDeveloper

  I want to set up automated backups that are kept safe from myself (in case a virus pwns me). The problem is the "create" and "delete" permissions are the same thing: write permission. So what can I do about it? Is it possible to decouple the create/delete permissions? Another option could be to let the user "root" make the backups. The problem is my home directory is encrypted, and I don't want to backup everything. Any ideas? For the backups I'm using Deja Dup, which is installed by default in Fedora and Ubuntu.

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• How to find a hidden streaming video/audio link and record it

  - by Stan

  I've been using 'URL snooper' to find the hidden streaming url. And feed that url to VLC to record streaming video/audio. But the VLC can't read those url. Then I also found that the url is like a floating url that changes every several hours. So the same audio station won't have same url. The streaming audio provider has bunches of audio stations and shuffle the link frequently. Is there any way to record the streaming media in this case? Please advise, thanks.

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• Right Drag on Mac

  - by Mafuba

  How do you perform a right-click-drag operation on Mac hardware? I know you can right click, but there does not seem to be a right click drag gesture. In my specific case I am using a MacBook Pro, and I am in a Windows environment. The question is more than just theoretical. I ask because there is functionality that uses this gesture, at least in the Windows world. For example, right now I'm trying to do a copy and rename in the TortoiseSVN repository browser. I think there are things you can do with a right drag in graphical editors like Photoshop as well. In windows you get a context menu when you right drag files. For those familiar with the software, I know I can do it in other ways; I'm not looking for workarounds to specific problems.

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• Cron: job starts but doesn't complete

  - by Guandalino

  I have a problem with a cron job which starts but doesn't complete. Running the command manually works fine. I already read the page about cron issues and solutions here on AskUbuntu, tried the proposed solutions but didn't find an answer working in my case. I'm using Ubuntu 12.04. $ crontab -e SHELL=/bin/bash # otherwise it would be /bin/sh 59 16 * * * /bin/duply calendar backup > /tmp/duply.log Btw, the cron file ends with an empty line, as someone pointed out. Once the job has "finished"...: $ cat /tmp/duply.log Start duply v1.5.7, time is 2012-06-22 16:59:01. Instead, running manually the script it works correctly and gives this output: Start duply v1.5.7, time is 2012-06-22 17:06:39. [cut] ... here is a long output generated by duply. ... and yes, files have been backed up. [cut] --- Finished state OK at 17:06:42.581 - Runtime 00:00:03.170 --- I also tried to restart the cron daemon (sudo service cron restart) but nothing changed. Do you have any suggestion to fix the issue?

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• What's a good public access terminal solution using old PCs and remote VMs?

  - by greenfingers

  Has anyone had experience using VMs as remote desktops for public access terminals (e.g. an internet cafe) In our case we don't want to charge money for access but I figure this solution has a few advantages, such as: can easily re-build VMs daily, erasing private data and clutter can use rickety old PCs for the 'dumb' terminals less IT support needed on site Can you suggest tools to help do this? Keeping the terminals up and running as much of the time as possible is the main priority, so they need to boot straight into full screen remote desktop and stay there.

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• iTunes command+tab does not bring main window the foreground after command+h

  - by ecoffey

  Related to : Cmd-Tab does not bring iTunes to foreground There people claim that command+h will continue to work, but the behavior I'm seeing is: Launch a full screen Terminal instance (or anything else really) Launch a fresh iTunes command+h to hide it command+tab back to iTunes, this works and the main app window is given focus command+tab to Terminal command+tab to iTunes What I expect to happen: the main iTunes window is brought to the foreground and given focus. What does happen: The application menu bar shows iTunes, but an additional command+` is needed to bring the main app to foreground. I thought it might have been related to a Chrome interaction, since I'm usually commmand+tabbing between my browser and everything else, but that does not seem to be the case. I do have two "plugins" running: last.fm scrobbler Alfred app mini itunes player interface Not sure if either of those create some phantom window or something that is mixing something up. Versions of stuff: OS X: 10.6.5 iTunes: 10.1.1 (4) last.fm: can't find it, but it's recent Alfred: 0.8 (89) So after that big long rant, anyone else seeing this behavior?

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• How to I access "Deny" message from a Lidgren client?

  - by TJ Mott

  I'm using the Lidgren v3 network for a UDP client/server networking model. On the server end, I'm initializing a NetServer object with the NetIncomingMessage.ConnectionApproval message type enabled. So the client is able to successfully connect and the first packet it sends is a login packet, containing a username and password supplied by the user. The server is receiving that and doing some black magic to authenticate, and everything works up to that point. If the login fails, the server calling NetIncomingMessage.SenderConnection.Deny("Invalid Login Credentials"). I want to know how to properly receive this deny message on the client. I'm getting the message, it shows up with a message type of NetIncomingMessage.StatusChanged. If I call ReadString on that message, I get a corrupted version of the string I passed to the Deny method on the server. The type of corruption varies, I've seen odd characters in there but in every case it's truncated and is way shorter than the string I entered. Any ideas? The official documentation is sparse on this topic. I could use pointers from anyone who has successfully used the Lidgren library and uses the Accept or Deny methods. Also, if I don't do any authentication and just Approve() the connection every time, stuff actually works just fine and I'm getting reliable two-way UDP traffic. (And lastly, Stack Exchange said I don't have enough reputation to use the "Lidgren" tag....???)

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• Is Gadget on Windows 7 buggy for now?

  - by Jian Lin

  Is Gadget on Windows 7 buggy for now? For example, I made CPU Meter, Clock "always on top", but sometimes, one is on top but the other is not. I have to make it "not always on top" and then "always on top" again and it will show up on top again. another thing that might or might not be a bug is: even when viewing video in full screen mode, the gadgets are all there. This may be one case where the user won't want all the gadgets on top when viewing a video full screen.

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• Preffered lambda syntax?

  - by Roger Alsing

  I'm playing around a bit with my own C like DSL grammar and would like some oppinions. I've reserved the use of "(...)" for invocations. eg: foo(1,2); My grammar supports "trailing closures" , pretty much like Ruby's blocks that can be passed as the last argument of an invocation. Currently my grammar support trailing closures like this: foo(1,2) { //parameterless closure passed as the last argument to foo } or foo(1,2) [x] { //closure with one argument (x) passed as the last argument to foo print (x); } The reason why I use [args] instead of (args) is that (args) is ambigious: foo(1,2) (x) { } There is no way in this case to tell if foo expects 3 arguments (int,int,closure(x)) or if foo expects 2 arguments and returns a closure with one argument(int,int) - closure(x) So thats pretty much the reason why I use [] as for now. I could change this to something like: foo(1,2) : (x) { } or foo(1,2) (x) -> { } So the actual question is, what do you think looks best? [...] is somewhat wrist unfriendly. let x = [a,b] { } Ideas?

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