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• Best/ most efficient way to learn a programming language as a beginner [closed]

  - by dizzytri99er

  I am a student and have obtained a one year placement at a business that develops an e-commerce system using C#, HTML, WPF, javascript, ASP and more. Although I do have a little bit of knowledge, I find myself being assigned a lot of tasks that are beyond me and even when I ask for help, the response I get is often cryptic to me. I stare at as much code as possible to just try and "throw myself into it" but I often just get lost in the code I like to consider myself a fast learner and I am damn determined to be a good programmer. I would just like to ask if there are some tips for me to catch up as quick as possible? I don't want to be a nuisance and sit here and ask for help 24/7. I just want to crack on!

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• How can redirect pages from old core PHP site to new Joomla site?

  - by pkachhia

  We have our old site into core PHP and we have developed it again into Joomla 1.5 last year( because of some limitations we have to build it into 1.5). Now the problem is the URL of sites changed as we have use SEO URLS on joomla. In between we have use .htaccess to redirect user from old URL to new like this Redirect /pages/oldpage.php http://www.mydomain.com/products/category/new_page.html Is this good practice to redirect user to new URL or not?(we have used same server). One more thing, We have used splash page on our site, and to set up it we have made some changes and because of it one of the important link is not working, and it is http://www.mydomail.com/index.php How can I get rid of it? I have used DirectoryIndex splash.html home.html index.php in .htaccess to open splash page first when someone open my site http://www.mydomain.com. Note: my website hosted on dedicated ubuntu server.

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• New code release today - 2011.1.4.2

  - by Steve Tunstall

  Wow, two blog entries in the same day! When I wrote the large 'Quota' blog entry below, I did not realize there would be a micro-code update going out the same evening. So here it is. Code 2011.1.4.2 has just been released. You can get the readme file for it here: https://wikis.oracle.com/display/FishWorks/ak-2011.04.24.4.2+Release+Notes Download it, of course, through the MOS website. It looks like it fixes a pretty nasty bug. Get it if you think it applies to you. Unless you have a great reason NOT to upgrade, I would strongly advise you to upgrade to 2011.1.4.2. Why? Because the readme file says they STRONGLY RECOMMEND YOU ALL UPGRADE TO THIS CODE IMMEDIATELY using LOTS OF CAPITAL LETTERS. That's good enough for me. Be sure to run the health check like the readme tells you to. 

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• All images are gone after open a doc file created by libreoffice writer

  - by user71465

  I got a paper template in .doc format from a conference site. Now when i work on it with libreoffice and insert image to it and insert caption for the image, after closing the file and opening it again, all images are gone. I saw that when the image Anchor is set "to frame" the image will be gone but when it is set to e.g. "to paragraph" it will maintain but it's alignment will be corrupted. Also, i need the Anchor to be set to "Frame". What can I do? I searched the net but i didn't find a good answer.

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• Does Google counts backlinks from homepage to inside pages?

  - by SharkTheDark

  I have a site with good PR and my inside pages are getting increase of PR, but they don't have links pointing to them, only from my homepage. Does that means that Google counts ALL links on my homepage, including links to inside pages? Does it calculate inside pages PR with one coming from my domain, my homepage, too? Also, if inside pages that got high PR from homepage have link back to homepage, will that increase homepage PR additionally, since those links should count too? By Google PR algorithm formula, by calculations on Wikipedia and Stanford PR algorithm explanation ( which is originally developed by ) it counts those links, and also it counts after-increase backlink again, making few times circle ( it stops because of d ( 0.85 ) factor. ), but it counts them. Does anyone know is this correct?

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• Is doing AB Tests using site redirection a bad practice?

  - by user40358

  I'm developing hotels websites here in Brazil. When the site is done, we do an AB test with the old version to measure conversion and show to the hotel owner how good our site is. Due to the fact that I cannot put the old site inside the new one as a subresource (newone.com/old), currently I'm doing those AB test as follows: 1) I create 2 Google Analytics accounts, one for each site (old and new); 2) I put the GA tags in the old website pages (changing its possibly existent GA ID to the just created one); 3) I put an Javascript code that redirects the user to the old website (in a different URL and different domain) with 50% of probability. So I compare all the metrics, events and goals between those two GA accounts. How bad is it? How Google can interpretate the fact of being, sometimes redirected, sometimes don't? The experiment usually runs for 2 weeks. Is there any other alternative for doing this in a better way?

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• how to get accepted at a big company like google [on hold]

  - by prof

  I'm 18 Years old; I started teaching myself programming when I was twelve. I've developed many projects in PHP, Javascript, Ruby, Ruby on Rails. I know a very little about C, C++, Objective C and extending PHP with extensions created in C Programming Language. Now I'm working as a freelance Web Developer with a very low salary :(, My Dream is to get a good career with very high salary so I thought of Big Companies like Google Or Microsoft. My Question is How to get Accepted on those big Companies ? What Pre-requests they want And do you need to finish collage education ?

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• Ubuntu 12.04 on MBPro, Early 2011, options

  - by sthysel

  I have a 2.2 GHz i7, 4GB MacBook Pro 8.3, AMD Radeon HD 6750M 1024 MB, Early 2011. As far as I see I have two options, running Ubuntu on this hardware: VMWare/Virtualbox and Ubuntu in a VM, I already ordered a 16G RAM upgrade for this. Wipe OSX and go Ubuntu native, with 16G RAM, yay ! I'm kinda leaning towards option 2 as I tend to spend 90% of my time in dev VM's at work anyway. All my other machines at home, and most at work are Ubuntu/Linux as well. I have a Mac mini on standby for the odd Itunes backup/sync. If I don't have to keep OSX around, I would like to get rid of it altogether. Ubuntu support on Mac hardware seems to be a hit and miss affair as far as I can tell. Does anyone have good success running a recent version of Ubuntu on this hardware ? Thanks

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• How to CURL and avoid timeout death (Twitter Down) [migrated]

  - by David

  Twitter is down right now, and one of my site's home pages relies on getting data from Twitter (relies is the problem - it should be more of an accessory feature, as it just shows follow count from its feed). Here's the code in question: function socials_Twitter_GetFollowerCount($username) { $method = function () use ($username) { return file_get_contents('https://api.twitter.com/1/users/show.json?screen_name='.$username.'&include_entities=true'); }; $json = cache('bmdtwitter', 3600, $method, false); $json = json_decode($json, true); return intval($json['followers_count']); } What is a good way to make it so if Twitter is down (or not responsive for some reasonable amount of time), our site doesn't appear to be down (I think the timeout maybe defaulting to 30-60 seconds or more).

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• Evolutions in Agile development field

  - by Samuel

  I recently pull up from under ten inches of dust one of my agile book. The book is now six years old; published in 2008. I prefer to keep it anonymous preventing to create a guerrilla of which one will yielded the best book about this subject. For that, I'm totally able to do a simple search from Amazon or Gooble to find the best book. I seen a couple of books about agile released in the last 2-3 years and I'm wondering if it will be a good investment to buy a more recent book than my old one. I mean, is there any great advancements in the last few years in the world of agile that worth to buy a more recent book? Thank you.

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• How does sprite customization in 2D games work?

  - by Alouette

  I´m working on the design of a new game concept at the moment and I would like to know how to handle a customization of sprites. (In 2D that is, hence the topic.) This is my scenario: The player will have a tower containing 3 floors (or more). Each floor can be replaced by another "piece", i.e. a blue floor, a fire floor, a stone floor. With the little knowledge of game development I have, creating a sprite for each possible combination is probably not a good idea, since the size of the game file will be HUGE. So, how does developers solve this? Do you put a standard position and just replace the sprite itself? Any advice or information about this would be great. Regards.

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• How can I improve the workflow between developer and designer with Expression Blend?

  - by Amenti

  We use WPF and Expression Blend 4. I'm trying to improve our workflow by tutoring one of our designers to use it for styling and animation. Slowly but surely I get the impression Blend in itself is to technical for the designer in question. I myself use it only occasionally (it's great for Visual States for instance) because a lot of things are easier done in code or not possible at all in Blend alone. It seems a developer with design experience is a lot more productive with it than a sole designer. Are there any good resources or advice as to how I can improve this workflow?

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• How do open-source projects grow?

  - by dan_waterworth

  I know of lots of software that is open-source. For at least some of it, someone, somewhere must have written the first version alone. How does good open-source software become well known? I'm most interested in the first steps. How does software written by one person gain its first new contributors? I'm looking for practical advise. I've started a project here, called aodbm. What steps can I take to give it the best possible start?

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• Recomendation for Webshop with API

  - by m.sr

  I'm searching for a webshop. The problem with my search is, that the webshop-software of my choice needs to have a useabel API or some interface for external applications. E.g. i need to place orders by an external application or need to get product descriptions or warehouse stock from the external application. I somehow would like to have a webshop wehere the webinterface is just one way to interact with the whole system. There are some other requirments, which have to be fullfilled, but i guess they are kind of common: running on linux MySQL (we already have MySQL-replication and backup in place) i like open source but i'm willing to pay for it, if it's worth it I found some webshops on the net - but perhaps you can tell me, if theres any hope for a webshop with a good API before i go and test all of them, on the first look i didn't find any docs about any interface to external applications for any of my search results. Thank you!

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• nvidia-package in 12.10 somehow not same like in 12.04 resp. X-lib not complete?

  - by dschinn1001

  Not knowing if this has to do with new kernel-update automatic done by ubuntu 12.10 ? it seems that kernel 3.2 in 12.04 has not these problems with nvidia-drivers ? I tried to install the actual google-earth as deb-package with dpkg -i it seems to be no problem, but when I type command: google-earth in terminal, there comes up the report among else: Xlib: extension "NV-GLX" missing on display ":0". Xlib is installed completely and nvidia-driver is de-installed (then reboot) then re-installed again. the report of google-earth stays the same: Xlib: extension "NV-GLX" missing on display ":0". ubuntu 12.04 was working quite good with google-earth. however: bumblebee seems to be taken out of program ? ( or needs to be re-edited ? ) Don't hurry too quick with solution, I can wait !

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• OpenStack: A starting point to learn more

  - by uwes

  Most of you have heard about OpenStack and the annouced integration into Oracle Solaris 11.2 and about OpenStack support for Oracle Linux and Oracle VM. These are two good reasons to start to learn more about OpenStack. Ronen Kofman starts a series of articles on his Blog (Ronen Kofman's Blog) to provide more knowledge regarding OpenStack. First article of the series is called: "Diving into OpenStack Network Architecure - Part 1". You are invited to follow Ronen through his articles where he shows how the different pieces come together and provides a bigger picture of the network architecture in OpenStack.

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• Is there any simple way to access installed programs?

  - by Anentropic

  Just installed Ubuntu for the first time... Is there any simple way to browse installed programs? On Mac there is the Applications top-level folder... here I see Desktop, Documents, Downloads etc but no Apps? That'd be a good idea, no? (is there some way to create this myself?) On Windows there is the Start menu... Here it seems like I have to click the 'Dash Home' and then I can see 'Recent Apps' ... I can search for them (I'd rather not) ...or I can click the ruler/pencil icon at the bottom and see 'Recent Apps' and click to expand 'Installed Apps' ...ok that's all of them - is it possible to get a straight list view instead of the hard-to-scan wrapped rows? Also, is there any way to get rid of the pointless random selection of 'Apps available for download' at the bottom?

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• What is the concept behind writing a cancel operation in c++?

  - by ToMan

  I'm attempting to write a cancel operation for a software download application. This application will first transfer the software to the device and then install the software on it. (These are givens I'm not allowed to change). What should the cancel operation do? When a user presses 'cancel', the application should stop transferring/installing the software immediately. Question: Since I've never written a "cancel" function, I'm wondering what are the types of things to consider when writing the code, and what are the common bugs I should expect and how to deal with them? Couldn't find anything in google so if you have some links that would be good reads I'd really appreciate it since I'm not looking for answers I'm just looking for guidelines/macro/concept help

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• How do I use Scale for Application-only windows?

  - by AeroCross

  If I have 3 windows opened in the same application (e.g Google Chrome) I get this in the Unity Bar: OK, that's good and expected. If I click that, it will Scale the windows that belong to that application, like this: Great! That's what I want to achieve more often by using hot corners. I did that with TopLeft and Scale All Windows, like this: How can I achieve the scale of only the application windows (like Chrome) with a hot corner (like TopRight)? I've already tried "Initiate Window Picker for Window Group" but it doesn't work. Am I missing something? Using Ubuntu 12.04 and the Scale / Scale Addons plugins.

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• Animate sprite/texture position with VBO

  - by Dono

  I'm currently worlking on a renderer for my projects and I want animate a sprite on screen. I've got a spritesheet but I don't know what is the the best way to update the texture coordinates for each vertex. Update vertices then update vertex buffer. (Heavy ?) Send to the shader my texture coordinates (It is possible ?) Don't use VBO ? By the way, I've got this structure : Object class with Geometry (Faces + Vertex + Buffer) and Material (Shader + other stuff ) properties, it is a good structure ? Thanks!

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• How to convert mkv to dvd or avi

  - by nathanvda

  I have some mkv files, and while Totem plays them perfectly, when i use Devede to burn them to dvd it all gets messed up: the video is ok, but the audio is out of sync. I did see that Devede does write my dixv avi files correctly to disk. So i am thinking what the best way could be to convert my mkv for playback on dvd? I was thinking maybe converting them to avi first? But i did not find a good way for that to happen. What do you suggest?

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• Learning Java for electrical engineering [closed]

  - by MohdAziz

  I'm an electrical engineering student ( Power, control & instrumentation). 2 months ago I started learning C, and I found programming something really enjoyable and I'd like to continue learning C and few other programming languages along with my electrical engineering degree. So my university is offering an extensive Java Oracle course for 7 days (like 5-6 hours a day) for a really decent price, do you think as an electrical engineer this would help me in my future career? What are the benefits of learning Java for an electrical engineer of my specialization? Do you think it's a good idea for someone in my case to take such an extensive course? I'm hardworker and I really enjoy these things, so I don't think that would be a problem for me.

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• Is there an open source solution that I can host on a web server that will allow users to anonymously upload a file to me?

  - by mjn12

  I'm looking for some kind of web application I can host on my Linux web server that will allow users to upload files of arbitrary size to me from their browser without requiring them to log in. Ideally this application would allow me to generate a link to my website that allowed for a one-time use upload. It might contain a unique, random key that was only good for that session. I could email them the link, they click it and are taken to a page where they can upload their file to me. I'm mainly targeting friends and family that need to send me files that are too large for email. I don't want to require them to install anything (dropbox), sign up and log in, etc. I'm definitely not teaching them to use FTP. This wouldn't be a difficult project for me to roll on my own but I'd like to take something off the shelf if it is possible. Does anything like this exist that my google-foo isn't turning up?

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• Pooling (Singleton) Objects Against Connection Pools

  - by kolossus

  Given the following scenario A canned enterprise application that maintains its own connection pool A homegrown client application to the enterprise app. This app is built using Spring framework, with the DAO pattern While I may have a simplistic view of this, I think the following line of thinking is sound: Having a fixed pool of DAO objects, holding on to connection objects from the pool. Clearly, the pool should be capable of scaling up (or down depending on need) and the connection objects must outnumber the DAOs by a healthy margin. Good Instantiating brand new DAOs for every request to access the enterprise app; each DAO will attempt to grab a connection from the pool and release it when it's done. Bad Since these are service objects, there will be no (mutable) state held by the objects (reduced risk of concurrency issues) I also think that with #1, there should be little to no resource contention, while in #2, there'll almost always be a DAO waiting to be serviced. Is my thinking correct and what could go wrong?

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• calling methods if previous call success

  - by New Developer

  I my c# program I have to perform 5 steps(tasks) sequentially. basically these five should execute one after the other only the previous task performed is success. Currently I have done it in following style. But this is not very good code style to follow. var isSuccess=false; isSuccess=a.method1(); if(isSuccess) isSuccess=a.method2(); if(isSuccess) isSuccess=a.method3(); if(isSuccess) isSuccess=a.method4(); if(isSuccess) isSuccess=a.method5(); How can I re factor this code. What is the best way I can follow?

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