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• Is sticking to one language on a particular project a good practice?

  - by Ans

  I'm developing a pipeline for processing text that will go into production. The question I keep asking myself is: should I stick to one language for the project when I'm looking for a tool to do a particular task (e.g. NLTK, PDFMiner, CLD, CRFsuite, etc.)? Or is it OK to mix and match languages on the project? So I pick the best tool regardless of what language it's written in (e.g. OpenNLP, ParsCit, poppler, CFR++, etc.) and warp (wrap) my code around it? Note, I am not asking about should a developer stick to just one language for their career.

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• Share files - Ubuntu 12.4 and Windows 7 - one network - password not accepted

  - by gotqn

  I ask this question in SuperUser but no one helps me. I hope to get more attention here. I have three computers connected in one network by modem. I want to share files in this network in the most easy way (I have read about solutions using Samba). So, I have three machines: One with Windows 7 One with Windows XP One with Ubuntu 12.04 and I have the following situation: The windows PCs can share files between each other. The windows PCs can see that Ubuntu's one is in the network The PC with Ubuntu can see only the PC with Windows 7, but when I click on a folder it ask to enter the network password and it is not accepting it (I am 100% sure it's the correct one) Is there to fix this situation a little bit - at least to enable the file sharing between the Ubuntu and Windows 7 PCs or I should choose a different approach (please advice).

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• Is it worth learning either GWT or Vaadin?

  - by NimChimpsky

  I consider myself a decent java/web developer. In my career I have always used servlets and ejb's with a web front end, most recently incoporating jquery and ajax. I can see the theoretical benefit of using GWT or Vaadin: it is my understanding they convert Java code to the required JavaScript/HTML. So the developer gets the benefit of cross browser compatibility and compile time error checking (of web GUI elements). My question is threefold: Are there any other benefits I am missing that would be gained using Vaadin or GWT? I am actually quite confident and productive using HTML and JavaScript - so will I actually see any benefit? Or will it just make my knowledge of these areas redundant (as they are handled by GWT/Vaadin)? Will the end result be that I can create enterprise scale data driven websites in a reasonably short time? I can however already do this, and I have not wasted any time learning GWT/Vaadin.

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• How do you handle developer that has taken an "early retirement"?

  - by Amir Rezaei

  I have worked in many projects and have notice some people just refuse and have no interest in learning new technology. They simply look down to every simple tool and technology. It’s hard to understand how they got here at first place. I have understanding for time for family and social activities. But I don’t understand the lack of any single interest. It’s kind of being in wrong business. I have read this question and I think the problem is the people. How do you handle a developer that has taken "early retirement" (unwilling to learn)? How do you motivate them? What is the term for people who refuses to learn new technology?

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• Replace %26 in htaccess to %2526

  - by Patrick

  I would like htaccess to rewrite example.com/something_%26_else into example.com/something_%2526_else. I'm importing a bunch of pages that have ampersands in the title from Mediawiki. These are encoded as %26. Drupal, for various reasons, has decided double encode the url it to have it become %2526. I simply can't create the alisis within Drupal so I have to use htaccess This is what I have as my rule so far as RewriteRule ^w/([^%26]+)\%26(.*)$ w/$1\%2526$2 [R=301] I asked this question three months ago on stackexchange and was not able to get it working. I tried hiring a contractor for this but was unable to find one. So this my last ditch effort before I completely give up. I really appreciate the help. All the best, Patrick

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• Load Balancer impact on web development

  - by confusedGeek

  This question has it's roots in a SharePoint site that I am help with. Background on the issue I dealt with: The dev box and integration server are not setup behind a load balancer. The links were being built using the HttpRequest.Url value from the current context. Note that the links weren't relative links but full URIs. Once we deployed to testing (which has a LB, amongst other things) we received errors on the links being built since the server had an address of "http://some.site.org:999" while the address at the LB as "https://site.org" (SSL was off-loaded at the LB). The fix was easy enough by using relative URIs. The Question: Since this is the first site I've worked with that's behind a Load Balancer on I'm wondering if there are other gotcha's that I need to consider when developing a site behind one?

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• Here we go again - quest for web hosted forum via javascript

  - by jim

  Hello all, disclaimer If this is the wrong location for this question, then please advise me accordingly. backgound I've been using Disqus and intense debate as a 'comments' service for a variety of my sites to great effect and love the fact that i get alot of the facebook/twitter integration 'for free', as well as the SEO benefits. request To this end, does anyone out there know of similar services that can be used to pull entire forums/threaded discussions into the app in a similar fashion (i.e. via ajax webservices). google has been at a loss to turn anything up on this front and i'm therefore wondeing if it's unlikely that such a 'service' exists. respect hope this stikes a chord out there... btw - altho using this in asp.net mvc, I'm aware that this technology could be used on any platform capable of consuming javascript via ajax, thus the wide spread of 'tags'.

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• Programmers and Database Professionals in Performance Based Companies

  - by swisscheese

  Anybody here work for a company (or know of someone that does) in the fields of programming or anything related to DBs and not have set work hours? Where you are paid for performance rather than how many hours you sit in a chair at the office? Any project / company I have been apart of always has pretty strict primary hours with the "great opportunity" / expectation to stay until the job is done. Is this type of flexibility really feasible in a group environment in these fields? Would pay for performance work within a company in these fields? With having strict primary hours I notice a lot of inefficiencies. Some weeks or days there is only so much that can be done (for whatever the reason may be) and if your work is done it doesn't help moral to force someone to stay for 8 hrs/day or 40hrs/week if the next week they may have to pull a 60+hr work week. I know that a lot of flexibility can come from working independently or as a consultant so this question really does not encompass those types of positions.

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• Differences between fish and bash to pass commandline arguments to alias functions?

  - by NES

  From the answers to my other question here i learned about the possibility to pass commandline arguments to a alias function in Bash. In Fish i can edit an alias by editing the file config.fish in ~/.config/fish directory and adding a line like this alias lsp='ls -ah --color=always | less -R;' and it works perfectly. This should be the equivalent to editing ~/.bash_aliases in bash But when i try to setup an alias function to pass arguments like this alias lsp='_(){ ls -ah --color=always $* | less -R; }; _' it doesn't work for fish? Are there any differences between fish and bash in the way to setup an alias to pass commandline arguments that prevent this second alias from working with fish instead of bash?

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• Small projects using the cathedral model: does open-source lower security?

  - by Anto

  We know of Linus' law: With enough eyeballs all bugs are shallow In general, people seem to say that open-source software is more secure because of that very thing, but... There are many small OSS projects with just 1 or 2 developers (the cathedral model, as described by ESR). For these projects, does releasing the source-code actually lower the security? For projects like the Linux kernel there are thousands of developers and security vulnerabilities are quite likely going to be found, but when just some few people look through the source code, while allowing crackers (black hat hackers) to see the source as well, is the security lowered instead of increased? I know that the security advantage closed-source software has over OSS is security through obscurity, which isn't good (at all), but it could help to some degree, at least by giving those few devs some more time (security through obscurity doesn't help with the if but with the when). EDIT: The question isn't whether OSS is more secure than non-OSS software but if the advantages for crackers are greater than the advantages for the developers who want to prevent security vulnerabilities from being exploited.

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• How to make a disk image and restore from it later?

  - by Torben Gundtofte-Bruun

  I'm a new Linux user. I've reinstalled my Wubi from scratch at least ten times the last few weeks because while getting the system up and running (drivers, resolution, etc.) I've broken something (X, grub, unknowns) and I can't get it back to work. Especially for a newbie like me, it's easier (and much faster) to just reinstall the whole shebang than try to troubleshoot several layers of failed "fixing" attempts. Coming from Windows, I expect that there is some "disk image" utility that I can run to make a snapshot of my Linux install (and of the boot partition!!) before I meddle with stuff. Then, after I've foobar'ed my machine, I would somehow restore my machine back to that working snapshot. What's the Linux equivalent of Windows disk imagers like Acronis True Image or Norton Ghost? Note: I found a similar question here.

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• What should we tell our unsupported IE6 users?

  - by Dan Fabulich

  In the upcoming version of our web app, we've broken IE6, and we don't intend to fix it. We've had a clear warning posted for IE6 users for some months; we've decided it's time not to support it. My question is: how should we communicate this to our users? Some people here feel that we should block IE6 users who would try to access the web app, because it's not going to work for them. Others feel that we should just leave up a warning, saying "This doesn't work in IE6," but not block them; instead, if they click to dismiss the warning, just let them in to the broken site to see for themselves that it doesn't work. Who is right? Is there a better way?

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• Bridging: Loosing WLAN network connection with 4addr on option - Why?

  - by WitchCraft

  Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And then later do brctl addif xenbr0 wlan0 I get this error message. can't add wlan0 to bridge xenbr0: Operation not supported I found out that Linux won't let you bridge a wireless interface in managed mode at all unless you enable the 4addr option (needed to recompile iw): iw dev wlan0 set 4addr on Afterwards brctl addif xenbr0 wlan0 works, and brctl show shows xenbr0 as bridged to wlan0. Unfortunately, as soon as I execute iw dev wlan0 set 4addr on my entire network connection is gone (no connection). As soon as then I execute iw dev wlan0 set 4addr off I reconnect and it works again. If I re-execute 4addr on, it breaks again, if I execute 4addr off, it works again. Unfortunately, I can't just turn 4addr on, activate the bridge and then turn it back off (error: device not ready). Does anybody know why I loose my connection ?

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• Setting up SANED with sane-test

  - by Enoon

  I'm trying to setup a network service for running saned (running the sane-test backend) on Ubuntu 12.10, running it on a virtualbox. I followed the directions found here: https://help.ubuntu.com/community/ScanningHowTo and i got to the point where if i use a front-end like xsane, or use the command scanimage -d test i get the desired behaviour. (i get the test image). But when i try to use the network demon to access the backend (from the localhost) i get Failed to connect. I used telnet on 127.0.0.1 6566 and i got the following error: saned: symbol lookup error: saned: undefined symbol: sanei_w_init I'm a linux newbie, so i could be making some stupid mistake. Any ideas on how to fix this? Thanks [update]After posting this question i logged out, logged back in and it worked. After a few days i tried again and it gave the same error as before. Any help?

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• April 18: Learn about Oracle Hyperion Data Relationship Management

  - by Theresa Hickman

  Do you have multiple charts of accounts on different application instances? Would you like an easy way to synchronize your charts of accounts across instances? If you answered yes, then please join us in an informal reference call with Johnson Controls who were able to synchronize their charts of accounts across 5 HFM (Hyperion Financial Management) instances using Hyperion Data Relationship Management (DRM). Johnson Controls is a global technology and industrial leader with 162,000 employees, serving customers in more than 150 countries. This call will include a brief overview of Johnson Controls and their solution followed by a candid discussion and an open question and answer session. When: April 18, 2012 Time: 8:00 am PST Duration: 1 Hour Speaker: Raymond Chontos, HFM Application Manager Global Financial Systems Click here to register.

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• Where should I draw the line between unit tests and integration tests? Should they be separate?

  - by Earlz

  I have a small MVC framework I've been working on. It's code base definitely isn't big, but it's not longer just a couple of classes. I finally decided to take the plunge and start writing tests for it(yes, I know I should've been doing that all along, but it's API was super unstable up until now) Anyway, my plan is to make it extremely easy to test, including integration tests. An example integration test would go something along these lines: Fake HTTP request object - MVC framework - HTTP response object - check the response is correct Because this is all doable without any state or special tools(browser automation etc), I could actually do this with ease with regular unit test frameworks(I use NUnit). Now the big question. Where exactly should I draw the line between unit tests and integration tests? Should I only test one class at a time(as much as possible) with unit tests? Also, should integration tests be placed in the same testing project as my unit testing project?

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• MVC: Why put the business logic in the model? What happens when I've multiple types of storage?

  - by Steffen Winkler

  I always thought that the business logic has to be in the controller and that the controller, since it is the 'middle' part, stays static and that the model/view have to be capsuled via interfaces, that way you could change the business logic without affecting anything else, program multiple Models (one for each database/type of storage) and a dozens of views (for different platforms for example). Now I read in this question that you should always put the business logic into the model and that the controller is deeply connected with the view. To me, that doesn't really make sense and implies that each time I want to have the means of supporting another database/type of storage I've to rewrite my whole model including the business logic. And if I want another view, I've to rewrite both the view and the controller. May someone explain why that is or if I went wrong somewhere? Currently, that whole thing doesn't really make sense to me.

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• How can I improve overall system performance?

  - by Decio Lira

  What are your tips for improving overall system performance on ubuntu? Inspired by this question I realized that some default settings may be rather conservative on Ubuntu and that it's possible to tweak it with little or no risk if you wish to make it faster. This is not meant to be application specific (e.g. make firefox load pages faster), but system wide. Preferably 1 tip per answer, with enough detail for people to implement it. A couple of mine would be: Install Preload (via Software Center or sudo apt-get install preload); Change Swappiness value - "which controls the degree to which the kernel prefers to swap when it tries to free memory"; What are yours? PS: Since this is not intended to have a unique answer but rather, several useful tips, I'm making this community wiki out-of-the-box.

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• 301 redirect www to non-www [duplicate]

  - by Claudiu

  This question already has an answer here: Removing non-www support 4 answers I understand that it is better to make a 301 redirect to make sure that all your links are seen the same on Google. Until now I always used erasmus-plus.ro without the www. for my website. Is it ok to make a redirect from www. to non-www. From my search on Google all users spoke about it the other way around. And somewhere I read that redirects are not good for seo. Is 301 an exception?

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• How can I make a rectangle to an irregular shape?

  - by Anil gupta

  I used masking for breaking an image into the below pattern. Now that it's broken into different pieces I need to make a rectangle of each piece. I need to drag the broken pieces and adjust to the correct position so I can reconstruct the image. To drag and put at the right position I need to make the pieces rectangles but I am not getting the idea of how to make rectangles out of these irregular shapes. How can I make rectangles for manipulating these pieces? This is a follow up to my previous question.

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• Ask the Readers: Favorite Deal App?

  - by Jason Fitzpatrick

  Black Friday is mere days away and the holiday shopping season is upon us. This week we want to hear about your favorite deals apps—how do you find the best deals on the go? The parameters for this week’s Ask the Readers question are pretty straight forward: we want to hear about your favorite deal finding/deal comparison smart phone app. Whether it’s for Android, iOS, or a web site with a very cleanly formatted mobile interface, we want to hear about how you score serious deals out in the field. How do you know if the deal you see in the store is the best deal? Sound off in the comments with your favorite deal app and then check in on Friday for the What You Said roundup. How to See What Web Sites Your Computer is Secretly Connecting To HTG Explains: When Do You Need to Update Your Drivers? How to Make the Kindle Fire Silk Browser *Actually* Fast!

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• MySQL vs. SQL Server Go daddy, What is the difference bewteen hosted DB and App_Data Db.

  - by Nate Gates

  I'm using Goddady for site hosting, and I'm currently using MySQL, because there are less limits on size,etc. My question is what is the difference between using a hosted Godaddy Db such as MySQL vs. creating a SQL Serverdatabase in the the App_Data folder? My guess is security? Would it be a bad idea to use a SQL ServerDB thats located in the App_Data folder? Additional Well I am able to create a .mdf (SQL Server DB file) in the App_Data folder, but I'm really unsure if should use that or not, If I did use it it would simplify using some of the Microsoft tools. Like I said my guess is that it would be less secure, but I don't really know. I know I have a 10gb, file system limit, so I'm assuming my db would have to share that space.

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• When does a game idea cross the line between homage/parody to ripoff?

  - by Daniel T.

  I'm not sure where this question belongs, but as it pertains to the development of a game idea, I figured I'd try to post it here. Recently I've been inspired to create a game based on another game I've played. However, the idea that I have is very similar to the original game. I was wondering, when does a game idea cross from being a homage or parody into the realm of being a ripoff? Are there any hard or fast rules or does this cross into a gray area?

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• Maya 6 vs Maya 2013

  - by DiscreteGenius

  I have the entire "Learning Maya 6" books that I purchased back when Maya 6/6.5 was the hottest thing. I read some of the books but never finished the series. I don't know much about Maya or the field. I want to get back into the field but I have a concern. My question: Would I be failing if I decided to use my old Maya 6 books and Maya 6.5 software? As opposed to ditching my old books and starting with Maya 2013 and online tutorials, videos, etc.?

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• How can I change my cursor behavior?

  - by Doug Clement

  When I am typing, my mouse cursor, if left on the text, will eventually auto-click in whatever space in the the text box I happen to be, causing me to type in the middle of a sentence. Also, the cursor in the text box will frequently stop mid-word and the screen will scroll down all of a sudden when pressing the space bar while typing. My question is, how do I change this behavior because it is driving me absolutely bat crap crazy. I have an Acer Aspire One D257 Netbook. I am not sure if it's a Xubuntu problem because it does this while I am using Windows 7 too. Any help would be nice, thanks!

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