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• Help us with our git workflow

  - by Brandon Cordell

  We have a web application that gets deployed to multiple regions around our state. An instance of the application for each region. We maintain a staging and production (master) branch in our repository, but we were wondering what is the best way of maintaining each instances codebase. It's similar at the core, but we have to give each region the ability to make specific requests that may not make it into the core of the application. Right now we have branches for each region, like region_one_staging, and region_one_production. At the rate we're growing we'll have hundreds of branches here in the next few years. Is there a better way to do this?

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• How do you support your code post employment end?

  - by James

  What is the process for leaving a company (or even a group/division) in terms of code support? Is it best to handle all questions? Do you give the remaining developers access to yourself as a future resource? If so, is there a way to not give full access? I've experienced first hand where answers about the general software arthitecture from the initial developer would be invaluable. I understand that if serious assistance is needed, than it becomes a typical case of employment negotiation as a support contract. However, should serious assistance be required, what steps can you make to ease that process of contacting you? I was thinking of doing something like making a (YOUR_NAME)_codesupport @ (YOUR_FAVORITE_EMAIL_CLIENT).com address. My Situation Specifics: I'm a co-op student, and as such bounce around companies on 4-month stints. This means introducing myself to a lot of new code bases, as well as leaving a fair share of orphaned code behind when I leave a company. I feel bad if I leave junk code around.

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• At what point should data be sent back to server?

  - by whamsicore

  A good example would be the stackexchange "rate" button. When a post is upvoted the arrow changes color immediately. However there is a grace period for one to edit one's vote decision (oops! voted by mistake?). Is the upvote action processed immediately or does is only process after a set time period, or when the user leaves the page? How exactly is this rating processed? What is the standard for handling dynamic page edits (e.g. stackexchange rating, facebook posts?)

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• How do i use latest Pulseaudio in 11.10?

  - by YumYumYum

  Ubuntu 11.04 i had pulseaudio from source compiled and i used it to learn, it always worked (git versions). But since i have Ubuntu 11.10, i can install it but i can not use it anymore like i do in 11.04 before. Everytime i play something its throwing this: $ speaker-test speaker-test 1.0.24.2 Playback device is default Stream parameters are 48000Hz, S16_LE, 1 channels Using 16 octaves of pink noise Rate set to 48000Hz (requested 48000Hz) Buffer size range from 192 to 2097152 Period size range from 64 to 699051 Using max buffer size 2097152 Periods = 4 ALSA lib pcm_pulse.c:746:(pulse_prepare) PulseAudio: Unable to create stream: Invalid argument Unable to set hw params for playback: Input/output error Setting of hwparams failed: Input/output error How to make pulseaudio work in 11.10 from source?

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• WIFI card intel r 2200 will not work

  - by Telemarkhero

  I have installed 12.04 on a Fujitsu Siemens Amilo Pro. Wifi card does not work. Have tried various threads but none have the same problem. Think I have the correct firmware but the following comes up: gill@ubuntu:~$ iwconfig lo no wireless extensions. eth1 IEEE 802.11bg ESSID:off/any Mode:Managed Channel:0 Access Point: Not-Associated Bit Rate:0 kb/s Tx-Power=off Sensitivity=8/0 Retry limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 eth0 no wireless extensions. Also gill@ubuntu:~$ rfkill list all 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes There is a power switch for wifi but it does not do anything in Ubuntu. Any pointers greatfully received.

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• 14.04 PlayonLinux and Steam equals jittery choppy freezing video

  - by user2715390

  I trying to get some windows gaming software (warframe) up ad running and it is running but the video is very choppy/freezes even though the reported frame rate is 60fps. I'm using: Ubuntu 14.04 Nvidia 340 driver Play on Linux 4.2.4-2 Wine 1.7.24 & 1.7.22 (switchable) Steam 13 Aug 2014 14:19:47 I used the following link to get it going Warframe Linux/Ubuntu Does anyone have any tips for diagnosing this? Anyway I think it has something to do with syncing. I would like to disable audio in steam or play on linux so I can eliminate any sound issues. How do I do this? Regards WallyZ

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• What are the factors that determine the default frequency of a shader call?

  - by user827992

  After i have been played for some days with various vertex and fragments shaders seems clear to me that this programs are called by the GPU at every and each rendering cycle, the problem is that I can't really quantify this frequency and I can't tell if is based on some default values or not because I don't have a big collection of hardware right now to do extensive tests. For what i know the answer could be really trivial like "it's the same of the refresh rate of your monitor", but i would like some good answers on that to be clear on this. For instance looks really odd to me that all the techniques used to control the amount of FPS that i have seen until now uses a call for the OpenGL function glutGet(GLUT_ELAPSED_TIME) to retrieve a value in ms about when the rendering started but I have to relies on the CPU to do the math. Why I can't set an FPS value in OpenGL if OpenGL clearly has a counter and a timer/clock? PS I'm referring to OpenGL 3.0+

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• Store VOD wmi data in a database directly or use CQRS?

  - by JD01

  I need to collect Video on demand bandwidth usage every few minutes (or maybe ever few seconds) and store this in a database so users can produce graphs on bandwidth usage over a period of time (few hours, days, weeks or even possibly months). So the sort of data that will be stored will be the number of users watching videos, current server bandwidth (Mb/s), multicast bit rate etc. I am wondering whether using CQRS would be a good approach with Event sourcing as I can then rebuild my objects to create different projections (I.e. different graphs/reports etc) but then again it seems like I am introducing complexity which might not be needed. Or would it be best to just put the data directly in a database (currently using PostGres) directly and query off that? Having thought about it, my table is a form of audit log anyway, so I don't think I need event sourcing at all. Any thoughts?

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• Reality Check Webinar: How Does Your End User Adoption Fare Against 300 other Companies?

  - by Di Seghposs

  Gain insight into Neochange's 2012 Adoption Insight Report and Compare your End User Adoption Rate and Strategy! Discover why user adoption is a key factor to your IT investment's success and how Oracle UPK Professional can help ensure it!  Join us as Chris Dowse, CEO of Neochange and Beth Renstrom, Manager of Oracle UPK Outbound Product Mangement, reveal the results of the user adoption survey in which user service models and productivity levels of 300 organizations are discussed in detail to identify trends that deliver higher business productivity. See how your organization's productivity and service model match up to those companies who are getting the most out of their IT investment. Thursday, April 5, 2012 -- 2:00 pm ET Click here, to register for the webcast.

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• Keeping up to date with PeopleSoft Global Payroll Singapore legislative changes

  - by Carolyn Cozart

  Amendments to the Central Provident Fund contribution rates were announced in June 2011. The contribution rate changes will go into effect September 2011. To find out  the details of what is changing in Global Payroll Singapore as well as targeted delivery dates, please visit the Knowledge Center on Support.Oracle.com. Click on the Knowledge tab. Simply type in keywords ‘Global Payroll Singapore Position’. If further amendments are made, we will revise the document accordingly.  Let the Oracle/PeopleSoft team help reduce the stress and anxiety of these changing times by staying informed. PeopleSoft is working hard to get you the information you need. The information is just a few clicks away.

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• Dynamically vs Statically typed languages studies

  - by Winston Ewert

  Do there exist studies done on the effectiveness of statically vs dynamically typed languages? In particular: Measurements of programmer productivity Defect Rate Also including the effects of whether or not unit testing is employed. I've seen lots of discussion of the merits of either side but I'm wondering whether anyone has done a study on it. Edit Sadly, only one of the papers shown is actually a study and it does nothing but conclude that the language matters. This leads me to ponder: what if I proposed doing such a study with volunteers from this site?

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• How do I fix Flash player in Chrome 20?

  - by r0ckarong

  I just updated to Chrome 20.0.1132.43 which includes Flash 11.3.31.109. Since that update most of the flash videos I watch online will randomly display erratic behavior (skipping like a broken CD, "fast forwarding" at twice the frame rate with the audio being scrambled due to too fast playback, restarting every video after two seconds, fullscreen overlay being displayed but no image, fullscreen taking several seconds to actually show a picture, youtube player to go fullscreen but then hang in the controls fadeout animation with no picture -sound keeps playing). Is there anything I can do to resolve or work around this? I'm using Ubuntu 12.10 64Bit and the latest nvidia-current drivers 295.40 on a Geforce GT 440. It used to work in previous versions of Google Chrome.

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• unable to send mail from postfix on Ubuntu 12.04

  - by gilmad

  I'm trying to send an email through Google from my localhost. (via PHP5.3) But Google keeps on blocking my requests. I tried to follow the solutions given to a few similar questions, but for some reason they do not work. I followed these instructions to configure it - http://www.dnsexit.com/support/mailrelay/postfix.html Now for the config data: my main.cf file looks like that: relayhost = [smtp.gmail.com]:587 smtp_fallback_relay = [relay.google.com] smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = my sasl_passwd looks like that: [smtp.gmail.com]:587 [email protected]:password and that is how the mail.log rows look like: Dec 14 10:24:50 COMP-NAME postfix/pickup[5185]: 1C3987E0EDD: uid=33 from= Dec 14 10:24:50 COMP-NAME postfix/cleanup[5499]: 1C3987E0EDD: message-id=<[email protected] Dec 14 10:24:50 COMP-NAME postfix/qmgr[5186]: 1C3987E0EDD: from=, size=483, nrcpt=1 (queue active) Dec 14 10:24:50 COMP-NAME postfix/smtp[5501]: 1C3987E0EDD: to=, relay=smtp.gmail.com[173.194.70.109]:587, delay=0.61, delays=0.19/0/0.32/0.1, dsn=5.7.0, status=bounced (host smtp.gmail.com[173.194.70.109] said: 530 5.7.0 Must issue a STARTTLS command first. w3sm8024250eel.17 (in reply to MAIL FROM command)) Dec 14 10:24:50 COMP-NAME postfix/cleanup[5499]: C20677E0EDE: message-id=<[email protected] Dec 14 10:24:50 COMP-NAME postfix/bounce[5502]: 1C3987E0EDD: sender non-delivery notification: C20677E0EDE Dec 14 10:24:50 COMP-NAME postfix/qmgr[5186]: C20677E0EDE: from=<, size=2532, nrcpt=1 (queue active) Dec 14 10:24:50 COMP-NAME postfix/qmgr[5186]: 1C3987E0EDD: removed

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• Very slow direct3D texture sampling

  - by __dominic

  Hi, So I'm writing a small game using Direct3D 9 and I'm using multitexturing for the terrain. All I'm doing is sampling 3 textures and a blend map and getting the overall color from the three textures based on the color channels from the blend map. Anyway, I am getting a massive frame rate drop when I sample more than 1 texture, I'm going from 120+ fps to just under 50. This is the HLSL code responsible for the slow down: float3 ground = tex2D(GroundTex, multiTex).rgb; float3 stone = tex2D(StoneTex, multiTex).rgb; float3 grass = tex2D(GrassTex, multiTex).rgb; float3 blend = tex2D(BlendMapTex, blendMap).rgb; Am I doing it wrong ? If anyone has any info or tips about texture sampling or anything, that would be nice. Thanks.

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• Reflective practice in programming using keystroke playback

  - by Graham

  I'm thinking of applying Reflective Practice to improving my programming skills. To that end, I want to be able to watch myself writing code. In general, what is a good method for applying Reflective Practice to the craft of programming? In particular, if it's a good idea, is there an editor that records keystrokes then plays them back at a later time - possibly running the keys together without delays, or replaying at a 2x/4x/8x accelerated rate? Screencasting with RecordMyDesktop is an option, but has downsides of waiting for encoding and ending up with a big video file instead of a list of keystrokes.

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• Will Hotmail DELIVER to spam-friendly ISP?

  - by Oddthinking

  I have a user who is using Hotmail to communicate with one of our suppliers. Recently, Hotmail started bouncing emails to that address (while other ISPs are working fine.) Hotmail bounce messages contain very little details. Investigating, I found that the supplier's ISP has appeared on a blacklist of ISPs who do not do enough to prevent spamming from their users. (Note: Neither my user nor the supplier are mass-mailing.) In the circumstances, I can understand Hotmail declining to accept emails from the host, or accepting them but being quick to mark them as spam. However, I am surprised that they might refuse delivery. Does this sound plausible to you, or am I barking up the wrong tree?

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• Set ReturnPath globally in Postfix

  - by Gaia

  I have Magento using Sendmail and Wordpress using PHPmailer to send webapp-generated mail. Occasionally, someone will enter their email address incorrectly and the mail (let's say, a purchase receipt) will bounce back to the return-path specified by the script. I dont want to set the return path for each vhost, especially because it is not easily done. Ideally, WP would use the address of the blog admin and Magento would use one of the numerous email fields specified, but they default to using username@machinename (in my case, username is the system user and machinename is a FQDN, but it is not the same as the actual vhost FQDN). The result is that bounced mail returns to the server and, since the server is used only for outbound SMTP, the messages sit there, undelivered and worse, unread. I'm Postfix 2.6.6 on CentOS 6.3, is it possible to globally force a specific returnpath for all messages sent via PHP on the server?

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• Should I give preferential treatment to proxy users on my ecommerce site?

  - by Question Overflow

  I am setting up an ecommerce site that caters to a worldwide audience. I would imagine that visitors would come from everywhere, and for whatever reasons, some would be connecting through proxy servers. My site uses a server that is configured to rate limit connections from the same ip address to protect itself from a DOS attack. So, if a proxy server is heavily used by my visitors, then it would appear to be a DOS. This is problematic in a sense that it is hard to tell whether the users are genuinely browsing my site or if a DOS is taking place. So my question is, should I give preferential treatment to proxy users on my ecommerce site? If yes, how should this be done. If not, why not?

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• Beta Opportunity Soon to Close on "Oracle Database 12c: Installation and Administration" (1Z0-062)

  - by Brandye Barrington

  This is your last opportunity to take the "Oracle Database 12c: Installation and Administration" (1Z1-062) beta exam at the greatly discounted rate of $50 USD, as well as be one of the first to hold this new OCA certification. Earning the Oracle Database 12c Administrator Certified Associate credential gives you the foundational knowledge and skills needed to administer the Oracle Database and sets the stage for your future progression to Oracle Database 12c Administrator Certified Professional.  You can get all preparation details, including exam objectives, number of questions, time allotments, and pricing on the Oracle Certification website. Visit pearsonvue.com/oracle and register for exam 1Z1-062. QUICK LINKS: Certification Track: Oracle Database 12c Administrator Certified Associate Certification Exam: "Oracle Database 12c: Installation and Administration" (1Z1-062) Recommended Training: Oracle Database 12c: Admin, Install and Upgrade Accelerated, Oracle Database 12c: Install and Upgrade Workshop, or Oracle Database 12c: Administration Workshop Certification Website: About Beta Exams Register Now: Pearson VUE

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• BI&EPM in Focus Oct 2012

  - by Mike.Hallett(at)Oracle-BI&EPM

  Customers Iluka Resources Improves Business Insight into Mining Operations Through Significantly Faster, Customized Analyses Banco do Brasil Monitors Budgets in Real Time, Generates Financial Reports In Minutes Instead of Months General Dynamics Improves Budgeting and Planning and Accelerates Rate Changes by Using Integrated Enterprise Performance Management Suite Facebook achieves world-wide automation of financial close task tracking and management of account reconciliations with Oracle Hyperion Financial Close Management (link) Hess Consolidates Multiple SAP General Ledgers with Oracle Hyperion (link) Navistar Leads with Cutting Edge Hyperion Platform, Including HSF, HPCM (link)   Enterprise Performance Management Oct 10: Navistar Leverages DRM (Rolta Solutions) (link) Replay: Integrated Business Planning, Featuring Leggett & Platt (link)   Business Intelligence Report: From Overload to Impact: An Industry Scorecard on Big Data Business Challenges (link | press release) Oct 10: The Top Five Things You Should Know When Migrating from an Old BI Technology to Oracle Business Intelligence Enterprise Edition (perfomance architects) (link)

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• Mailman bounces go to me, do not unsubscribe user! (MacOS Server)

  - by vy32

  I run a large mailing list (30,000 users). Every month I get a whole slew of bounces in my mailbox from the "mailing list memberships reminder" that get sent out. I thought that these were supposed to go to the program and automatically unsubscribe people, not go to me. We are running a standard unmodified MacOS Server installation. Here is a typical bounce: From: Mail Delivery System Subject: Undelivered Mail Returned to Sender To: [email protected] This is the mail system at host mail.COMPANY.COM. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system ... Any idea what to do?

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• Chrome dispay Glich when GPU acc. on

  - by user289172

  Hy Everyone! I have some graphics glich when enable gpu acc. in chrome. If i disable acceleraion it fix the glich but, in full HD most of flash videos frame rate drop above frogs a**, so very slow... :) Any idea, what can i do? I Upload 2 pics from glich. My hardware: CM Hyper TX 3 on AMD A5300 with HD 7480D 6 GB RAM I use official AMD driver from amd.com, Ubuntu 14.04(I upgraded from 12.04, in Ubuntu 12, same glitch with old drivers.) I reinstalld x.org completly and purge all config files, but this didnt resolve the problem. If i use other drivers, i have some other problem ie.:nor automatic resolution chnge when connect new monitor, false refreshrate for displays and etc. Thanks for the help! http://i.stack.imgur.com/9PkrK.jpg http://i.stack.imgur.com/AMS22.jpg

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• Silverlight XAP Signing Certificate promotion from Thawte

  And the offers keep coming in! Another one of our key partners for testing XAP signing for trusted applications was Thawte. Their group helped provide us with valid certificates to verify their process and signing worked as expected (and verified) for Silverlight 4. Today I just got an email from their marketing department that they would like to offer Silverlight developers a discount on Thawte code-signing certificates to $89 for a 1-yearabout 70% off their current rate. Thats pretty amazing of...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• I have an MIS degree. How do I sell myself as a programmer?

  - by hydroparadise

  So, I graduated with a BSBA in Management Information Systems with honors almost 2 years ago which is more of a business degree. As of right now, I do have a job title of "Programmer", but it's more of a report writing position in an arbitrary, proprietary language called PowerOn with the occasional interesting project using more mainstream technologies like .Net and Java. I am also somewhat isoloated being the only programmer in the workplace, which I beleive is a detriment to my career path. The only people I have to bounce ideas against are those on the various SE sites. I don't regret going MIS, but over the past couple of years I have discovered my passion for coding, even though I have been doing some form of coding profesionally and as an enthusiast for years. I do want to persue my Masters in CS (at a later time), but I am not sure if I necessarily need a CS degree to get in with a team of programmers. In addition, I do have a number classes I have taken for different laguanges on the way (C++, Java, SQL, and VB.Net) I beleive my strength is in problem solving where code is just a tool to tackling to problem if needed. My question: How do I best sell myself as a programmer? Should I continue pounding out reports and wait till I have my masters in CS? Or am I viable to be a programmer as I stand?

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• Creating a DrawableGameComponent

  - by Christian Frantz

  If I'm going to draw cubes effectively, I need to get rid of the numerous amounts of draw calls I have and what has been suggested is that I create a "mesh" of my cubes. I already have them being stored in a single vertex buffer, but the issue lies in my draw method where I am still looping through every cube in order to draw them. I thought this was necessary as each cube will have a set position, but it lowers the frame rate incredibly. What's the easiest way to go about this? I have a class CubeChunk that inherits Microsoft.Stuff.DrawableGameComponent, but I don't know what comes next. I suppose I could just use the chunk of cubes created in my cube class, but that would just keep me going in circles and drawing each cube individually. The goal here is to create a draw method that draws my chunk as a whole, and to not draw individual cubes as I've been doing.

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