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• How to stop getting too focused on a train of thought when programming?

  - by LDM91

  I often find myself getting too focused on a train of thought when programming, which results in me having what I guess could be described as "tunnel vision". As a result of this I miss important details/clues, which means I waste a fair amount of time before finally deciding the path I'm taking to solve the task is wrong. Afterwards, I take a step back which almost always results in me discovering what I've missed in a lot less time.. It's becoming really frustrating as it feels like I'm wasting a lot of time and effort, so I was wondering if anyone else had experienced similar issues, and had some suggestions to stop going down dead ends and programming "blindly" as it were!

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• Using versioning for settings in home?

  - by maaartinus

  I planned to use git for the important files in my home directory, so I can revert bad settings or transfer them to another computer as needed. But there's too much chaos there, with each program mixing wildly temporary files, caches, logs, backups, and everything. Finding anything worth saving is hard, and when I've found any settings done by myself, there were mixed with informations specific to the computer (so I could hardly take them to another one) and timestamps (so tracking useful changes is hard). Is anybody doing it or is it just hopeless? How to filter out the garbage?

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• Where is the object browser in VS 2010

  - by Keltari

  I am teaching myself C# and Im using a book that references Visual Studio 2008. However, I am using VS 2010. The book wants me to look at the object browser by choosing View, Other Windows, Object Browser from the menu. However, the object browser is not there. I moused over the icons on the menu and nothing stood out. So, where is it? Also, am I going to run into more problems like this? Is it worth getting an updated book?

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• Corsair Hydro i series cpu cooler fan control

  - by user214690

  Im relatively new at Ubuntu and have found an answer to basically every single issue ive ever had thru this site... Otherthan this. I have been toying with the idea of a Corsair h80i for my dual boot system (win7/U12.10) and mostly use it in ubuntu. I have done some research on the interweb regarding fan control in linux and nearly ran up short untill I came across this thread: http://ubuntuforums.org/archive/index.php/t-2096166.html And it seems to have worked around it. (altho I have not tested it for myself) Is there any program/library/source that can be used to control the fans without having to MacGuyver it??

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• How to Get Vine App for Windows Phone in Canada

  - by D'Arcy Lussier

  Originally posted on: http://geekswithblogs.net/dlussier/archive/2013/11/12/154613.aspxI wanted to download the Vine app for Windows Phone, but I couldn’t find it in the app store when I browsed it on my Nokia. I went to the app’s page on the app store where I saw this: One of my Twitter peeps from Winnipeg, Len, commented that he was able to install it from the website. So I went back and noticed that there’s a “Download and Install Manually” link towards the bottom of the page, which will let you download the .XAP file directly. So I emailed myself the link, opened it on my phone, and voila – Vine is now installed! What’s the point of limiting apps by region if we can just manually download and install the file anyway? Weird. D

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• Upload ICS (calandar) file to my server

  - by IEnumerable

  I want to upload my ICS file to my server, well this is the easy part. What I really want is to be able to share this *.ics file with 2-3 people so they can edit. I have currently uploaded the file on the www/ (root) mydomain.com.au/myfile.ics of my server and added it to my Email/Cal client. Was all looking ok until I tried to save changes. Can someone please direct me to some documentation on how I do this properly. The easy solution would be to upload to google, but I would rather learn how to manage the file myself. Thank you

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• You know you're a "version control avoider" if [closed]

  - by kmote

  I'm in the process of trying to introduce Version/Revision Control to a team of developers who have never used it. I'll be giving a presentation that I hope will be a persuasive explanation of the importance of Version Control -- the benefits of using it and the liabilities of avoiding it. I'd like to kick it off with an amusing but instructive list modelled after the "redneck" line of jokes. Can anyone help me add to this list? "You know you're a Version Control Avoider if..." You have a bunch of files or folders with names like Engine_05212012_works_old[2].cpp You've had to explain to your boss how you accidentally overwrote production code. I don't consider myself terribly witty, but I think a little humor could be helpful in this situation. Any ideas for how to extend this list? [Bonus points if you can suggest a better moniker than "Version Control Avoider"]

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• What undergraduate course to choose for a mature programmer returning to study

  - by Dve

  I have been developing applications (mostly web-based) for almost 10 years now and have learnt pretty much everything I know through experience (and the internet!). I wouldn't call myself an advanced programmer, but I am quite proficient in several languages (C#, Javascript, Ruby, HTML/CSS etc) and spend a quite a bit of time working on personal projects and reading countless books & articles. I am looking to emigrate to Canada, hopefully Vancouver (im from the UK) and one way would be on a student visa, if I was going to be studying for a minimum of 2 years. Having never been to university or achieved anything higher than A-Levels I am quite tempted by this path. The thought of learning is more exciting to me now than it was 10 years ago! What would be people recommend as a good undergraduate course to take that would complement this career path? Would Math be beneficial, if so which area of Math? TL;DR What undergraduate course/area of study would complement 10 years of (mostly web-based) programming experience?

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• Online architecture guide

  - by hunterman

  I am a newbie in gamedev, and I don't know about programmer's problems that can appear during development. So can you advice me some best practice for starting build new online multi-player game backend? I just saw reddraft server, and I think Spring library can also do some of its features. What is big difference? Do I need learn more spring or I have to use servers like reddraft or write these tools myself? I know that I need to learn hard and many - and the question is - what I should to learn now at the beginning? Thanks.

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• How would I pursue a track in front-end web development?

  - by Koviko

  I've recently been put on heavy JavaScript projects and have become fond of the front-end world in comparison to the back-end. I have always been good at proper markup and CSS, and coupled with AJAX, pretty animations, and dynamically generated content, it's become a much more interesting and flashy world for me. I would like to be able to continue to hone my craft in the same way that I was able to become proficient at back-end development with PHP: getting paid to do it. How would I market myself as a front-end web developer with a strong interest in dynamic JavaScript-driven websites? Due to my strong background in back-end development, how would I find the companies that wouldn't waste my front-end skill set on simple HTML/CSS development? And as a bonus, how would I apply this to being a contractor/freelance developer rather than a salaried employee? While I like the idea of being able to remain a part of my creations, I also dislike the maintenance phase of projects.

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• s expression representation for c

  - by wirrbel

  Experimenting with various lisps lately (clojure especially) i have wondered if there are any s expression based representations of (subsets) of c, so you could use lisp/closure to write macros and then convert the s-expression c tree to pure c. I am not asking for a to-c-compilers of lisp/scheme/clojure but more of using lisps to transform a c syntax tree. Little background to why i am asking this question: i find myself to really enjoy certain clojure macros like the threading macros -> doto etc. And i feel that they would be great in a non FP environment as well.

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• Teaching: How can you motivate students to comment?

  - by keflavich

  I remember when I was taught, "comments are the most important part of code." Or rather, when I was told that comments are the most important part of the code. I don't think I was convinced, and I still see common cases where programmers are not convinced of the necessity of good & thorough comments. I am certainly convinced myself at this point - trying to read, in particular, complex formulae that call functions that call other functions that I don't understand - but I don't know how to convey this to students.

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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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• OpenGL ES, orthopgraphics projection and viewport

  - by DarkDeny

  I want to make some simple 2D game on iOS to familiarize myself with OpenGL ES. I started with Ray Wenderlich tutorial (How To Create A Simple 2D iPhone Game with OpenGL ES 2.0 and GLKit). That tutorial is quite good, but I miss some parts of a puzzle. Ray creates orthographic projection using some magic numbers like 480 and 320. It is not clear to me why did he take these numbers, and as far as I can see - sprite is not mapped to the ipad simulator screen one-to-one pixel. I tried to play with parameters with which ortho matrix is created, but I cannot figure out what math is here. How can I calculate numbers (bottom, top, left, right, close, far) which will be parameters to orthographic projection matrix creation and have sprite on the screen shown in its original size?

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• As a software architect, am I supposed to focus that much on analysing the logs and fixing other's bugs?

  - by Hatem81

  Since my graduation (late 2005) I was working for the same company as a c++ software engineer. A year ago I was promoted as a software architect but I have found myself involved more and more in qualification and fixing bugs, level 2 support. 50% of my time spent in Notepad++ analysing the software logs and trying to figure out what went wrong. 30% fixing other's bugs and the remaining (if any) reviewing developers spaghetti code. I started hating this product and thinking about an exit strategy out of this company. What do you think I can do in this situation? do you other software architect still fixing bugs in the code?

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• How important is it for a programmer to know how to implement a QuickSort/MergeSort algorithm from memory?

  - by John Smith

  I was reviewing my notes and stumbled across the implementation of different sorting algorithms. As I attempted to make sense of the implementation of QuickSort and MergeSort, it occurred to me that although I do programming for a living and consider myself decent at what I do, I have neither the photographic memory nor the sheer brainpower to implement those algorithms without relying on my notes. All I remembered is that some of those algorithms are stable and some are not. Some take O(nlog(n)) or O(n^2) time to complete. Some use more memory than others... I'd feel like I don't deserve this kind of job if it weren't because my position doesn't require that I use any sorting algorithm other than those found in standard APIs. I mean, how many of you have a programming position where it actually is essential that you can remember or come up with this kind of stuff on your own?

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• 'tools.jar' is not in IDEA classpath

  - by Patrick

  I am a new user of Linux, it has been recommended to me by my friend. He told me to install software called IntelliJ Idea IDE. Well I have been following the tutorial. But now when I try to open "idea.sh", an error message pops-up: 'tools.jar' is not in IDEA classpath. Please ensure JAVA_HOME points to JDK rather than JRE. Please remember that I'm new to Ubuntu and I'm planning for a nice long stay once I get myself into it :) Also I do not know if I am running a correct Java6 JDK. When I do java -version, this is what I get: java version "1.6.0_23" OpenJDK Runtime Environment (IcedTea6 1.11pre) (6b23~pre10-0ubuntu5) OpenJDK 64-Bit Server VM (build 20.0-b11, mixed mode) Thank You for reading this and I hope I will get a nice response.

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• Creating Visual Studio Extension Files (VSIX) for Template Deployment

  While working on some plugins for the new Seesmic Desktop PlatformI got sick of copying and pasting some boiler plate code over and over. I had created some helper templates for myself so that I could say FileNew Seesmic Desktop Plugin and get everything I needed initially. This weekend I had some time and formalized those templates into an easy-to-use installer for anyone to consume. NOTE: It is likely that Seesmic themselves will create developer project/item templatesthese were for my own...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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• What Language is unity written in?

  - by John

  What Language is Unity written in? Also, where can i get its source code? I have an idea for a windowing enviroment or shell (dont know what to call it). What i want to do is teach myself to create it. i like some of several ideas i have seen, but i want to redo all of them, also the concept of how a desktop works. I figured learning the language Unity is written in, and studying Unity and Gnomes code would be a good start. i am on Ubuntu 12.04 acer aspire 5920 3 gb ram 160 gb hard drive

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• How to keep a team well-trained?

  - by PierrOz

  Hi dear fellows, I'm currently mentoring a small team of 4 junior dev in small software company. They are very smart and often achieve their tasks with a high-quality job but I'm sure they still can do better - actually I have exactly the same feeling for myself :) -. Besides some of them are more "junior" than other. So I would like to find of a funny way to improve their CS skills (design, coding, testing, algorithmic...) in addition to the experience they acquire in their daily work. For instance, I was thinking of setting up weekly sessions, not longer than 2 hours, where we could get together to work on challenging CS exercises. A bit like a coding dojo. I'm sure the team would enjoy that but is it really a good idea? Would it be efficient in a professional context? They already spend all their week to code so how should I organize that in order for them to get some benefits? Any feedback welcome !

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• How can I backup files on /etc using Deja Dup? [closed]

  - by Chris Good

  Possible Duplicate: How do I open Deja Dup as root? I am using Ubuntu 12.04 LTS. I'm trying to setup Deja Dup to backup the files for several users (/home) and /etc but as it runs as myself, there are many files it cannot read and therefore cannot backup. I want to try running Deja Dup as root as then it should be able to read and backup all files. I've seen some other info about how to set up a particular App to run as root, so I guess I should try that.

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• What is the general definition of something that can be included or excluded?

  - by gutch

  When an application presents a user with a list of items, it's pretty common that it permits the user to filter the items. Often a 'filter' feature is implemented as a set of include or exclude rules. For example: include all emails from [email protected], and exclude those emails without attachments I've seen this include/exclude pattern often; for example Maven and Google Analytics filter things this way. But now that I'm implementing something like this myself, I don't know what to call something that could be either included or excluded. In specific terms: If I have a database table of filter rules, each of which either includes or excludes matching items, what is an appropriate name of the field that stores include or exclude? When displaying a list of filters to a user, what is a good way to label the include or exclude value? (as a bonus, can anyone recommend a good implementation of this kind of filtering for inspiration?)

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• Service to test app on all the iPhones?

  - by David

  I have some developers creating an iPhone app, often the app will not work on one type of iPhone even though it worked on another one using the same version of iOS. Therefore, I am looking for a service where I can test the app natively on all the iPhone versions running various versions of iOS. I would like to be able to interact with the iPhones myself, so that I know that a specific bug has actually been fixed before, pushing to App Store and waiting 9 days for the review before I can hear the sad news from customers. Googling got me nowhere. Do such services exist?

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• How to handle loading and keeping many bitmaps in an Android 2D game

  - by Lumis

  In an Android 2D game which is using SurfaceView where its onDraw is driven by a loop from a Thread, I use many bitmap sprites (sprite sheets) and two background size bitmaps, which are all loaded into memory at the start. It all works fine, however, when the activity is onPause or after reloading it few times, Android shows a tendency to wipe out the big bitmaps only, probably to free memory. Sometimes this happens even in the middle of loading this very activity. In order to counter this, I made a check in the onDraw method to test if the big bitmaps are still there and reload them if they are forcefully recycled by Android, before drawing them on Canvas. This solution may not be the most stable, and since I know that there are much more accomplished android game programmers here than myself, I hope you can reveal some tricks or secrets or at least provide some good hints, how to overcome this.

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• Why isn't this simple CRON job working?

  - by JakeRow123

  I am on Ubuntu server and would like to send an email to myself every 10 minutes (as a test). The code for that is in this file: /var/www/cron-test.php To set up the cron I typed: crontab -e and added this line to the bottom of the file using nano editor: ### email me every 10 min. */10 * * * * /var/www/cron-test.php But that script is not running every 10 minutes. I only recieve the email if I load the PHP script directly in my browser. The cron doesn't seem to be executing at all. What am I doing wrong? Also this is my first time setting up a cron so putting the cron script in my www folder is probably not a good idea, should I put it elsewhere? If so where? Also is there a cron error log? Where all failed crons can be seen?

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