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• How to experience gradual improvement of knowledge while a newbie does .NET maintenance programming?

  - by amir

  I started my career as a software developer about 6 months ago. This is my first job, and I am the only developer in this company. I gained .NET knowledge by self study and also by doing some university projects. Our systems have old foundations based on an earlier version of .NET, and I'm starting to feel that I am not improving since I am a maintenance programmer here. Everything is old and my manager is not really taking any chances on gradually improving the software. What is your opinion? What should I do? I am newbie and also work hard to find my way through. There is no other developer, not even a senior one to help me here. I need your advice on my situation. And one last thing, can I get a new job with doing maintenance programming? I mean don't managers say that you do not have the experience of developing a new software from scratch? I feel redundant, what do I do?

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• How to loop section from a song correctly?

  - by Teflo

  I'm programming a little Music Engine for my game in C# and XNA, and one aspect from it is the possibility to loop a section from a song. For example, my song has an intropart, and when the song reached the end ( or any other specific point ), it jumps back where the intropart is just over. ( A - B - B - B ... ) Now I'm using IrrKlank, which is working perfectly, without any gaps, but I have a problem: The point where to jump back is a bit inaccurate. Here's some example code: public bool Passed(float time) { if ( PlayPosition >= time ) return true; return false; } //somewhere else if( song.Passed( 10.0f ) ) song.JumpTo( 5.0f ); Now the problem is, the song passes the 10 seconds, but play a few milliseconds until 10.1f or so, and then jumps to 5 seconds. It's not that dramatic, but very incorrect for my needs. I tried to fix it like that: public bool Passed( float time ) { if( PlayPosition + 3 * dt >= time && PlayPosition <= time ) return true; return false; } ( dt is the delta time, the elapsed time since the last frame ) But I don't think, that's a good solution for that. I hope, you can understand my problem ( and my english, yay /o/ ) and help me :)

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• Building a Store Locator ASP.NET Application Using Google Maps API (Part 2)

  Last week's article, Building a Store Locator ASP.NET Application Using Google Maps API (Part 1), was the first in a multi-part article series exploring how to add store locator-type functionality to your ASP.NET website using the free Google Maps API. Part 1 started with an examination of the database used to power the store locator, which contains a single table named Stores with columns capturing the store number, its address and its latitude and longitude coordinates. Next, we looked at using Google Maps API's geocoding service to translate a user-entered address, such as San Diego, CA or 92101 into its latitude and longitude coordinates. Knowing the coordinates of the address entered by the user, we then looked at writing a SQL query to return those stores within (roughly) 15 miles of the user-entered address. These nearby stores were then displayed in a grid, listing the store number, the distance from the address entered to each store, and the store's address. While a list of nearby stores and their distances certainly qualifies as a store locator, most store locators also include a map showing the area searched, with markers denoting the store locations. This article looks at how to use the Google Maps API, a sprinkle of JavaScript, and a pinch of server-side code to add such functionality to our store locator. Read on to learn more! Read More >

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• Script/tool to import series of snapshots, each being a new revision, into Subversion, populating source tree?

  - by Rob

  I've developed code locally and taken a fairly regular snapshot whenever I reach a significant point in development, e.g. a working build. So I have a long-ish list of about 40 folders, each folder being a snapshot e.g. in ascending date YYYYMMDD order, e.g.:- 20100523 20100614 20100721 20100722 20100809 20100901 20101001 20101003 20101104 20101119 20101203 20101218 20110102 I'm looking for a script to import each of these snapshots as a new subversion revision to the source tree. The end result being that the HEAD revision is the same as the last snapshot, and other revisions are as numbered. Some other requirements: that the HEAD revision is not cumulative of the previous snapshots, i.e., files that appeared in older snapshots but which don't appear in later ones (e.g. due to refactoring etc.) should not appear in the HEAD revision. meanwhile, there should be continuity between files that do persist between snapshots. Subversion should know that there are previous versions of these files and not treat them as brand new files within each revision. Some background about my aim: I need to formally revision control this work rather than keep local private snapshot copies. I plan to release this work as open source, so version controlling would be highly recommended I am evaluating some of the current popular version control systems (Subversion and GIT) BUT I definitely need a working solution in Subversion. I'm not looking to be persuaded to use one particular tool, I need a solution for each tool I am considering as I would also like a solution in GIT (I will post an answer separately for GIT so separate camps of folks who have expertise in GIT and Subversion will be able to give focused answers on one or the other). The same question but for GIT: Script/tool to import series of snapshots, each being a new edition, into GIT, populating source tree? An outline answer for Subversion in stackoverflow.com but not enough specifics about the script: what commands to use, code to check valid scenarios if necessary - i.e. a working script basically. http://stackoverflow.com/questions/2203818/is-there-anyway-to-import-xcode-snapshots-into-a-new-svn-repository

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• Advancing my Embedded knowledge.....with a CS degree.

  - by Mercfh

  So I graduated last December with a B.S. in Computer Science, in a pretty good well known engineering college. However towards the end I realized that I actually like Assembly/Lower level C programming more than I actually enjoy higher level abstracted OO stuff. (Like I Programmed my own Device Drivers for USB stuff in Linux, stuff like that) But.....I mean we really didn't concentrate much on that in college, perhaps an EE/CE degree would've been better, but I knew the classes......and things weren't THAT much different. I've messed around with Atmel AVR's/Arduino stuff (Mostly robotics) and Linux Kernals/Device Drivers. but I really want to enhance my skills and maybe one day get a job doing embedded stuff. (I have a job now, it's An entry level software dev/tester job, it's a good job but not exactly what my passion lies in) (Im pretty good with C and certain ASM's for specific microcontrollers) Is this even possible with a CS degree? or am I screwed? (since technically my degree usually doesn't involve much embedded stuff) If Im NOT screwed then what should I be studying/learning? How would I even go about it........ I guess I could eventually say "Experienced with XXXX Microcontrollers/ASM/etc...." but still, it wouldn't be the same as having a CE/EE degree. Also....going back to college isn't an option. just fyi. edit: Any book recommendations for "getting used to this stuff" I have ARM System-on-Chip Architecture (2nd edition) it's good.....for ARM stuff lol

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• Notepad++ setting to clear the undo buffer on save

  - by J Jones

  Hello, I've noticed that Notepad++ is clearing the undo buffer when I save a file. This just started happening when I updated the editor to version 5.6.8. (previous version was pretty old... 5.3.? perhaps...) I've seen one reference out there (look at last bullet of answer) that this might be a setting I can change. But for the life of me, I can't find it. Anyone familiar with this?

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• Enabling NAT loopback on HG556a router?

  - by galdikas

  This is one of the standard issue vodafone routers. So i set up web-server on my laptop, and it is accessible to the internet now. However I need to be able to access it from my machine using the public address. But I just cannot find where to enable nat loopback. I looked for options in both regular and advanced user logins (web interfaces). So I suppose the last option is telneting into it, and using commands to do it.. but I don't know how to access it (cant find the credentials). http://rhiggins.sdf-eu.org/blog/index.php?entry=entry110722-164625 In above link it says that i can find this info in configuration file, but anyone could tell me how to access it? And then what commands should I use to enable the NAT loopback?

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• At what point would you drop some of your principles of software development for the sake of more money?

  - by MeshMan

  I'd like to throw this question out there to interestingly see where the medium is. I'm going to admit that in my last 12 months, I picked up TDD and a lot of the Agile values in software development. I was so overwhelmed with how much better my development of software became that I would never drop them out of principle. Until...I was offered a contracting role that doubled my take home pay for the year. The company I joined didn't follow any specific methodology, the team hadn't heard of anything like code smells, SOLID, etc., and I certainly wasn't going to get away with spending time doing TDD if the team had never even seen unit testing in practice. Am I a sell out? No, not completely... Code will always been written "cleanly" (as per Uncle Bob's teachings) and the principles of SOLID will always be applied to the code that I write as they are needed. Testing was dropped for me though, the company couldn't afford to have such a unknown handed to the team who quite frankly, even I did create test frameworks, they would never use/maintain the test framework correctly. Using that as an example, what point would you say a developer should never drop his craftsmanship principles for the sake of money/other benefits to them personally? I understand that this can be a very personal opinion on how concerned one is to their own needs, business needs, and the sake of craftsmanship etc. But one can consider that for example testing can be dropped if the company decided they would rather have a test team, than rather understand unit testing in programming, would that be something you could forgive yourself for like I did? So given that there is something you would drop, there usually should be an equal cost in the business that makes up for what you drop - hopefully, unless of course you are pretty much out for lining your own pockets and not community/social collaborating ;). Double your money, go back to RAD? Or walk on, and look for someone doing Agile, and never look back...

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• Monitoring over Time with Nagios: How?

  - by David

  Nagios in its standard usage monitors with point-in-time checks: either something is - or is not - true. Other tools like SGI's PCP, HP's MeasureWare, and SEC provide monitoring over time - monitoring things like average disk access time over the last five minutes, or other similar items. Is there anything like this for Nagios? I'm already running NDOUtils, which seems like a natural source for such data. I'd like to have something that would monitor and fire off alarms based on a time-based check using historical data. Is there anything like this for Nagios?

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• Can I make ssh tell me which control file it would use for multiplexing?

  - by Ryan Thompson

  I am using the following options in my ~/.ssh/config in order to enable connection multiplexing: ControlMaster auto ControlPath ~/.ssh/control/master-%r@%h:%p However, this has the annoying problem that the first shell to connect to a particular server must be the last to disconnect, because it is the master connection that all the other connections are using. So if you log out of the master, it appears to just hang. To solve this, I would like to wrap ssh with a script that checks if the control master file exists, and if not, starts a master ssh process in the background. Then it would start a slave ssh session. In order to accomplish this, my script would have to determine the path to the control file that ssh would use. This would entail parsing the ssh command line options and config files and implementing the logic for determining the ControlPath. Is there any way to just ask ssh what path it would use, so I can check it?

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• How to mount remote samba share from local host with multiple groups?

  - by Dragos

  I am using mount.cifs to mount a remote samba share (both client and server are Ubuntu server 8.04) like this: mount.cifs //sambaserver/samba /mountpath -o credentials=/path/.credentials,uid=someuser,gid=1000 $ cat .credentials username=user password=password I mounted a user from local system with username and password with mount.cifs but the problem is that the user is part of multiple groups on the remote system and with mount.cifs I can only specify one gid. Is there a way to specify all the gids that the remote user has? Is there a way to: Mount the remote samba with multiple groups on the local system? Browse the mount from 1) with the terminal since I want to pass some files from samba as arguments to local programs. Other solutions would be: nautilus sftp:// which runs through gvfs; but the newer gnome does not write to disk the ~/.gvfs anymore so I can't browse it in terminal. And the last solution would be NFS but that means that I have to synchronize the uids and gids on the local system with the ones from the server.

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• Accessing hardware via USB by proprietary windows software using Wine

  - by Carlos Eugenio Thompson Pinzón

  I have this proprietary software that access some hardware using USB. Over a year ago I tried to install it on a Ubuntu OS using Wine (the program is written for Windows). The UI seemed to work just fine but it had no access to the USB port. Back then I had to license a Windows copy in order to get the job done. Now, that Windows version we where using is deprecated and it is not longer available and available versions cost trice as much. So it is time to give Linux another try. How can I ensure that the USB is available for a Wine application? Neither the application nor the hardware install any driver, the app just pool all available USB drivers and make a handshake if it recognizes that the hardware is present. I want to minimize the test cases before abandoning Linux one more time. Update I've just tried again (with the hope an upgrade was made from last year), and it is not working. The proprietary windows app is not finding the hardware.

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• How to make Microsoft Keyboard special keys run osascript commands on OSX?

  - by t-a-w

  I'm trying to make (1) special key open new terminal window. I bound it to file /Users/taw/bin/new_term, which contains: #!/bin/sh exec osascript -e 'tell application "Terminal" to do script "cd ."' This does the trick, except it also opens a Terminal window with this (even though Terminal.app is configured to always close windows when processes finish): Last login: Thu Mar 11 19:41:29 on ttys000 /Users/taw/bin/new_term ; exit; ~$ /Users/taw/bin/new_term ; exit; tab 1 logout [Process completed] How do I make it all work correctly? (possibly using a way different that what I've been attempting so far)

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• Apache Prepending Header Information to ALL FILES

  - by Michael Robinson

  We're in the middle of setting up new servers, and have been having some odd problems with Apache. Apache is prepending text that looks like this: $15plðI‚‚?E?ðA™@?@??yeÔ|~Ÿ²?PγZ" zS€?8i³?? ,ÀŠ{ÿBHTTP/1.1 200 OK Date: Mon, 02 Feb 2009 22:28:05 GMT Server: Apache/2.2.3 (CentOS) Last-Modified: Mon, 02 Feb 2009 22:28:05 GMT ETag: W/"1238007d-2224e-fe617f40" Accept-Ranges: bytes Content-Length: 139854 Connection: close Content-Type: application/x-javascript To all files. The file I copied the above text from is the prototype library js file. As loaded from our server. I've searched, but couldn't find much about this problem Maybe I don't know what I'm searching for... Anyway, if anyone has seen this behaviour before, could they please let me know either 1) how to fix it so that this content is not prepended to all files, or 2) where to look for further help. Thanks

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• How-to get the binding for a tab in the Dynamic Tab Shell Template

  - by Frank Nimphius

  The Dynamic Tab Shell template does expose a method on the Tab.java class that allows you to get access to the ADF binding container for a tab. At least in theory this works, because in practice this call always returns a null value (a bug is filed for this). To work around the problem, you can use code similar to the following to get the ADF binding for a specific tab DCBindingContainer currentBinding = (DCBindingContainer) BindingContext.getCurrent().getCurrentBindingsEntry(); DCBindingContainer templateBinding = (DCBindingContainer)currentBinding.get("ptb1"); DCBindingContainer tabBinding= (DCBindingContainer)templateBinding.get("r"+0);  In the code line above, the tabBinding variable will hold the binding reference to the first tab in the dynamic tab shell template. Note that the tab doesn't need to be visible for this (which has to do with how the template works).  "ptb1" is the template reference name in the PageDef file (Executable section) of the template consumer view. Check this string in your page before using this code. If it differs, change it also in the code above. "r0" is the binding reference of the first tab in the template. Te last tab is referenced by "r14".  

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• How to make ssh/rsync/etc use a VLAN network interface?

  - by Annan

  A company I work for has a number of virtual servers with ElasticHosts. They are setup in such a way that eth1 is on a private VLAN connecting them to each other. This is so backups sent between servers are not charged at the same rate as external data transfer. My understanding of how VLANs and network interfaces work is sketchy at best. How can I make ssh, rsync, etc. transfer data through the VLAN? My final solution: I spent a while trying to figure this out, For all servers involved, edit /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE=eth1 BOOTPROTO=static ONBOOT=yes HWADDR=YOUR_MAC_ADDR IPADDR=192.168.0.100 NETMASK=255.255.255.0 Where HWADDR should already be set and the last octate of IPADDR should be different from each other. Then run, on all servers /etc/init.d/network restart After this the IP addresses specified by IPADDR can be used directly as any other IP address.

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• Accessing multiple local HD's or RAID with ESXi 4.0

  - by Shawn Anderson

  How to I get additional HD's to be recognized and used by ESXi 4.0. When I purchased my system I had two 2TB HD's, but when I installed ESXi it only recognized one of them. I'm happy to get whatever number of drives that I need (I have a four bay SATA in my Dell T310). What are some options? RAID? If so, is it supported. I guess I would need hardware instead of software since ESXi is so small. The VMWare forums (where I've lived for the last two days) are a charlie foxtrot of outdated and conflicting info. I want to utilize my T310, with 32 GB RAM, 2.8GHz quad core to run many lab Windows VM's. I don't need production level availability but I do want decent performance, even though it's in a lab environment. A huge thanks to Jim B., Zypher, Helvick, and Jeff Hengesbach who posted answers to my earlier predecessor question on why ESXi was so sluggish.

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• Reconnect Attempts for CIFS share

  - by Davin

  I have a CIFS share mounted in the FSTAB on Ubuntu server, which connects to our SAN and works without issue. Last night we had an issue with the SAN for about 12 hours. We corrected the problem and the Windows boxes restored their mappings. The Ubuntu box did not, but we were able to restore with [mount -a]. I saw options to specify retries in man for NFS but not CIFS. Any ideas on ensuring a reconnect if the SAN goes down again?

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• Not all events appear in Nagios history (archive)

  - by Lars

  in the "Host & Service history" of my check_mk interface I can see various events, but a lot of events are missing. On the default interface at "View Alert History For This Service" or in the logfiles /var/log/nagios/archives/*.log the same issue: I can see many events of the last days, but not all of them. In the /etc/nagios/nagios.cfg the options log_event_handlers, log_initial_status and log_passive_checks are set to 0, the other log_... options are set to 1. I don't think that any of these options causing the problem that not all events are logged. What could cause this problem?

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• Back in Brazil! See you at JavaOne LAD this week

  - by terrencebarr

  It’s great to be back in Sao Paulo. I’m looking forward to a another buzzing JavaOne LAD conference and the energy of the Latin American Java community! And, of course, catching up with Brazilian friends over some serious Caipirinhas I’m part of the Technical Keynote on Tuesday, and doing three technical sessions: Harnessing the Explosion of Advanced Microcontrollers with Embedded Java, Dec 5, 11:15 A New Platform for Ubiquitous Computing: Oracle Java ME Embedded, Dec 5, 17:30 Java ME Embedded Profile 8—for an Embedded World with Increasing Demands, Dec 6, 11:15 In fact, I think I will morph the last session into a more wide sweeping introduction into Java ME 8 (of which the Java ME Embedded Profile 8 is a component) – there is so much new and cool stuff in the pipe that just talking about Java ME Embedded Profile doesn’t do it justice.   Plus, I’ll be showing some small embedded Java toys at the demo booth (in the Exhibition Pavilion).   Hope to see you there!   Cheers, – Terrence Filed under: Mobile & Embedded Tagged: "Java ME 8", "JavaOne LAD", Java Embedded, Java ME

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• Google Docs: Tie the Form with a Spreadsheet to email addresses and responses?

  - by Nick Gorbikoff

  Hello. I'm just trying to figure out if I'm doing something wrong or it's not possible. I created a small form ( I'm trying to get current mailing addresses from my friends and relatives - since I lost my address book) and it ties to a Google Spreadsheet. I sent out a sample to my work address - filled out a form and saved it. However when I go to see the responses - in a spreadsheet - it has a time stamp but it has no email associated with a response - so I don't know who made it ( well in this case I know it's me - but when you have 100 replies?) I understand - it may be great for anonymous surveys - but in this case I'd like to know who responded with what - and I don't wan to make them fill out Email and First Name & Last Name - I already have this information. Any suggestions?

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• Disable pop-up for "Faulting application" on login - Windows Server 2003

  - by Mikael Svenson

  I have a service running on a Windows 2003 server. The service executes a .exe file to process some data. Sometimes the .exe crashes due to incorrect input and it logs an error to the Application Log which is fine. If I remote login to the server I get a pop-up of the .exe file crash, for each crash which has occured since I last logged in. The crashes can safely be ignored and I'd like to ignore these pop-ups. Is there a way to disable these pop-ups?

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• Let Devoxx 2011 begin!

  - by alexismp

  Devoxx 2011 is kicking off today and Oracle will be well represented for all its Java efforts. Here's a quick rundown of the Java EE and GlassFish side of things. Cameron Purdy, now responsible for the entire Oracle middleware stack (WebLogic, GlassFish, TopLink, Coherence) will host the Java EE keynote, mostly focused on Java EE 7. There will be sessions on individual JSRs by spec leads : Nigel Deakin for JMS 2.0, Marek Potociar for JAX-RS 2.0, and Greg Luck (EHCache) for JSR107 / javax.cache. Oracle's Shaun Smith will also cover JPA 2.1 with some of the unique EclipseLink features such as multi-tenancy. BOFs on Java EE.next and CDI are also planned during the week. Finally, Arun Gupta will be delivering a complete Java EE 6 hands-on lab. There will also be GlassFish-related sessions. A first one will focus on the current state of the community and product (3.1.x) with customers production stories, while GlassFish architect Jerome Dochez will walk you through the enhancements the team is working on for Java EE 7 and GlassFish 4 - virtualization, PaaS, elasticity and more. Last but not least, our good friends from Serli will discuss their latest GlassFish contributions on Application versioning and high-availability rolling upgrades.

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• Wiki on a pendrive - should work with any OS

  - by Florian Pilz

  Hello, I want to have an "extended memory" and want to accomplish that with an wiki on an pendrive. I already decided to use PmWiki, but if another wiki solves my problem that would be fine. The issue is: If I install an Apache on an pendrive, it depends on the running operating system. Because I'm using Windows & Linux (and will use Mac in the future) it is crucial for me to be platform independent. I read this article. DokuWiki is for Windows only and MoinMoin needs Python installed (which would be possible on my PCs, but not on public ones). Every help for my "extended memory" is appreciated. PS: As a last resort I could host a wiki on my webpage, which would be accessible everywhere. But I just see a challenge in trying it on a pendrive.

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• Ubuntu boot problem/unity failure

  - by Kenny

  So here I am sitting in a big pile of muck...over the last 2 days things have just been going from bad to worse with version of Ubuntu 12.10. So 2 days ago I was fiddling around with kismet and airmon-ng. I had added a bunch of libraries, I remember adding GTK+, Glib, Pango, etc. After restarting the other day my desktop opened fine but my background was changed to the default and none of my files on the desktop were visible and the top bar and side bar were not visible or functioning. The window managers were still working. I then tried reinstalling my nvidia drivers to see if that would change anything, it did not. Then after doing some searching online I found something that suggested I try deleting the file "libgtk-3.so.0". I deleted this and tried to restart the computer. Upon restart, I was greeted by a black screen with some writing saying something about -starting clamAV [OK] -problem with Apache Server could not verify correct...something... - checking battery state [ok]. After it gets to battery state it just stops and sits there indefinitely. So to sum, I cannot login to ubuntu because it just sits at this black screeen. If anyone has any idea as to what is going on and how to fix it please let me know. Thanks!

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