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• How do I start working as a programmer - what do I need?

  - by giorgo

  i am currently learning Java and PHP as I have some projects from university, which require me to apply both languages. Specifically, a Java GUI application, connecting to a MySQL database and a web application that will be implemented in PHP/MySQL. I have started learning the MVC pattern, Struts, Spring and I am also learning PHP with zend. My first question is: How can I find employment as a programmer/software engineer? The reason I ask is because I have sent my CV into many companys, but all of them stated that I required work experience. I really need some guidance on how to improve my career opportunites. At present, I work on my own and haven't worked in collaboration with anyone on a particular project. I'm assuming most people create projects and submit them along with their CVs. My second question is: Everyone has to make a start from somewhere, but what if this somewhere doesn't come? What do I need to do to create the circumstances where I can easily progress forward? Thanks

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• Why can't i ping server? VMware set to 'Bridged' loses IP address on 10.04.

  - by Dave

  I have installed a fresh 10.04 server onto a laptop on a home network as a VMware machine and set network connection to 'Bridged: connect directly to the physical network' from within VMware and rebooted the server. It then loses its IP address. 'dhclient eth0' says "No working leases in persistent database - sleeping" DHCP is working fine on the wi-fi router. The laptop is wired to a wireless router and from there wirelessly to a desktop. Desktop and Laptop can ping each other from Windows. I can ping the VM from Windows on the same laptop, but not from the desktop. Strangely ping has started to resolve hostnames to IPv6 addresses and not IPv4. Don't know whether that's connected? A kick in the right direction would be greatly appreciated. I've been an Ubuntu desktkop user for a few years, but new to ubuntu servers.

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• How can I view localized versions of my site?

  - by Max Vernon

  We are adding internationalization to our site. We are getting the client's IP address from the headers and looking it up against the IP2location database to get the client's country. Several of our clients reported seeing a blank page over the weekend. We'd like to be able to get screenshots or use a browser from many different countries on an ongoing basis for testing code changes. I need to know what the site looks like when accessed from various countries since there are several elements that vary by country. I've used Tor and Vidalia, along with the Tor customized Firefox browser however it appears the CSS is getting mangled. I have also used http://webpagetest.org to check the site, however the screenshot it gives is too small to be really useful. Is there a site or a service I can use to get screenshots or interact with my website from various countries?

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• Why do Core Data sqlite table columns start with 'Z'?

  - by Dia

  I was looking at the sqlite table that Core Data generates and noticed that all table columns start with 'Z'. I realize this is an implementation detail, but I was curious as to why that's the case and if there was a design decision involved in this. Anyone happen to know or guess why? Here's a sample schema output of Core Data sqlite database: sqlite .schema CREATE TABLE ZPOST ( Z_PK INTEGER PRIMARY KEY, Z_ENT INTEGER, Z_OPT INTEGER, ZPOSTID INTEGER, ZUSER INTEGER, ZCREATEDAT TIMESTAMP, ZTEXT VARCHAR ); CREATE TABLE ZUSER ( Z_PK INTEGER PRIMARY KEY, Z_ENT INTEGER, Z_OPT INTEGER, ZUSERID INTEGER, ZAVATARIMAGEURLSTRING VARCHAR, ZUSERNAME VARCHAR ); CREATE TABLE Z_METADATA (Z_VERSION INTEGER PRIMARY KEY, Z_UUID VARCHAR(255), Z_PLIST BLOB); CREATE TABLE Z_PRIMARYKEY (Z_ENT INTEGER PRIMARY KEY, Z_NAME VARCHAR, Z_SUPER INTEGER, Z_MAX INTEGER);

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• Can we put percentage on amount of work of a certain role in project's lifecycle?

  - by deviDave

  The title may be confusing, but I will elaborate it here. I am trying to figure our how much time and effort each person spend during some project. I divided roles into: - junior developer (works mainly on UI and some light things) - senior developer (develops complex logic, database structures, etc.) - lead developer (leads the team, usually most experienced person) - negotiator/resolver (a person who directly talk to a client trying to either negotiate terms and timeframe or to clarify vagueness presented by a team leader) My AIM is to calculate percentage of role's involvement based on quality, not time (obviously a junior will spend most time in project, but with the least quality). In the end I would get a table which may look like this: Total: 100% ---------------- Junior: 10% Senior: 50% Lead: 30% Negotiator: 10% Can this be achieved? Has anyone found any source which may help me?

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• How can I transfer article content from old Joomla 1.5 site to new 2.5 site

  - by PaulHurleyuk

  I have an existing Joomla 1.5 site and am intending to wipe it and install a brand new 2.5 site. I will pick new plugins, template etc but would like to transfer the basic text / images of the articles on the 1.5 site to the new site. I am less concerned with categories and tags of those old articles, as they'll probably go in an 'old' category. I have several file and database backups of the 1.5 site. Has anyone done anything similar ? Are the two article db schemas similar enough to just transfer the data ?

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• Licensing a project

  - by PhaDaPhunk

  Ok can someone clarify something for me ? Let's say I want to build a website and add publicity to it so I can make money out of my work. I would use Html5 for the interface and C# with Asp.net for the background programming. I would use Visual Studio as my IDE and SQL server as a database. This is just an example on the top of my head but I woudn't know where to start for the licenses. Do I need one : For VisualStudio and SQLServer only ? For VisualStudio, SQLServer and pay some kind of rights for Asp.net ? The whole package.. Both VisualStudio, SQlServer plus rights for Asp.net AND C# ? I know this question is a little vague but I really don't know where to start and the opinion of someone with experience int this might give me just the help I need to get started.

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• SQLAuthority News Downloads Available for Microsoft SQL Server Compact 3.5

  There are few downloads released for Microsoft SQL Server Compact 3.5. Here is quick lists of the same. Microsoft SQL Server Compact 3.5 Service Pack 2 for Windows Desktop SQL Server Compact 3.5 SP2 is an embedded database that allows developers to build robust applications for Windows desktops and mobile devices. The download contains the [...]...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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• Would security be comprimised if I install a gui (e.g. zPanel) for LAMP?

  - by Kirk

  I am an Ubuntu/Linux noob. There are many questions I have regarding the use of my system as a server. First and foremost is security. I want to install a simple GUI (zPanel appears the most user friendly) that will allow others to log into the server and database with ease, similar to a hosting service, though my intent is for the development of one site. Upon looking at the instructions of numerous GUI's, they require installation as root. This makes me uneasy, as my thoughts spiral to the possibilities of the developers creating the elusive 'back-door', thereby giving them root access to my entire system. Am I just being paranoid or is that theoretically possible? If it is possible, what steps are necessary to ensure security?

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• How do I advertise for volunteers for my open source project

  - by Code-Guru

  I have found a couple of related questions here on programmers.SE: How/where would I best advertise my open source project, in order to maximize my odds of finding collaborators? Where to find open source volunteers? My question is slightly different because I am primarily looking for non-coders to help with a few things in my new open source project. In particular, I'd like one or more people to create an icon and other graphics and to work on a web site, wiki pages, and/or other documentation. My project is a front-end for a baseball card database. So reaching out to baseball card collectors might be useful. Other than that, I would just like anyone who would like to contribute in small ways to a modest project. Where are some good places to advertise and find non-coder volunteers?

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• How can I set parameters in Google webmaster tools so that my dynamic content is indexed?

  - by Werewolf

  I have read questions about URL parameters in Google Webmaster Tools in this site and the Google Webmaster Help Center but I have a problem. My site searches in the database and show some information. These two URL display some data: http://mydomain.com/index.aspx?category=business http://mydomain.com/index.aspx?category=graphic&City=Paris In URL parameter section, I can only define parameter category, how Google can detect proper values (business, graphics, real estate...)? Every word is not valid for search. If My page name is default.aspx or anything else, where I should define it? If I use URL rewriting like http://mydomain.com/search/category/business, my settings must change?

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• iOS Game that Runs Continuously in Background

  - by user2913669

  I'm trying to understand the most logical way of creating an iOS game that runs continuously in the background. For example.. you have tower and enemy waves. The game has endless enemy waves even when the game exits. When you open the game again, it will retrieve the data that occurred when the app was closed. I assume a database on a server would be the best solution. The values continuously increment on the server. The game connects to the server and retrieves the specific user's updated game data.

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• Cannot use apt-get anymore because of one specific package

  - by Alex K.

  No matter what type of apt-get I run (install, update, ...) I always get: dpkg: warning: files list file for package `libgdata-google1.2-1' missing, assuming package has no files currently installed. dpkg: warning: files list file for package `libntlm0' missing, assuming package has no files currently installed. (Reading database ... 354644 files and directories currently installed.) Preparing to replace libntlm0 1.1-1 (using .../libntlm0_1.1-1_i386.deb) ... Unpacking replacement libntlm0 ... At this point apt-get hang. Does somebody know a way to fix this? Some days ago a line in source.list was removed (Google Chrome).

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• What platform is best for Android and iPhone development?

  - by Toy Yoda

  I've been developing non-mobile apps for linux; mainly stuff like interpreters, compilers, database engines and business apps. I've been told that if I wanted to learn how to develop iPhone/iPad applications, I should buy a Mac since Apple has all it's development tools for iPhone/iPad on Mac. Now, what about Android phones / tablets? Are the development tools better on Mac or PC? I need to buy a new laptop, and I would like to factor in mobile development in my choice of PC or Mac.

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• Retail Link data storage requirements

  - by Randy Walker

  I was asked today about how much data an average Retail Link analyst (Walmart vendor) would consume.  I thought I would write this small post for future reference. Of course this vastly depends on the amount of skus, how long you want to archive data, and if you want store level sales. Most reports take up very little space. Most times when you download a report (total sales per sku for last week), you will overwrite the previous week’s report.  However, most users will take the data inside their downloaded report, and add it to a database or larger excel spreadsheet.  This way, the user has a history of the sales of each item/sku per week over the last 2+ years.  I would estimate 1 user to consume around 1-2 gb of space, at most, over the course of 2 years. If you start archiving store level sales those numbers can drastically increase up to 10gb or more very quickly.

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• easy visualization of usage statistics (web app)

  - by sova

  I have some usage queries for my web app's database, the results of which I want to display graphically. Is there an easy-to-use api that exists for this purpose? I want to show things like average query-time per user (a small user-base), average query time per day, and things like that. I think it would be cool to show these on a two-axis graph. I am displaying this data on my site, so a jQuery/javascript/html solution for rendering information into graphs would be ideal. Thank you :) P.S. I wasn't sure if I should ask this on SO, but I am looking more for which product to use, not how to program with it.

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• Should I use nodindex, follow or rel canonical?

  - by webmasters

  I have a site that lists offers, promotions from other websites. Since the offers expire rather quickly I don't save them into my database. I see no point in having a page from 2010 about 30% discount on a certain brand of shoes which isn't availabe anymore. A visitor enters my website; He clicks on the "shoes" category; http://www.mysite.com/shoes/ Here he sees 20 available promotions from different online stores. He clicks on a promotion and gets to a page like this: http://www.mysite.com/shoes/promotions/prada Questions: I use the template promotions.php and list all the promotions. /promotions/prada/ /promotions/otherbrand/ .... What I do is use "noindex, follow" for the links. Is that a good idea? Or should I use rel="canonical" for the promotion page? How do you advise me to handle this from the SEO point of view?

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• SQL Server 2012 RTM Available!

  - by Davide Mauri

  SQL Server 2012 is available for download! http://www.microsoft.com/sqlserver/en/us/default.aspx The Evaluation version is available here: http://www.microsoft.com/download/en/details.aspx?id=29066 and along with the SQL Server 2012 RTM there’s also the Feature Pack available: http://www.microsoft.com/download/en/details.aspx?id=29065 The Feature Pack is rich of useful and interesting stuff, something needed by some feature, like the Semantic Language Statistics Database some other a very good (I would say needed) download if you use certain technologies, like MDS or Data Mining. Btw, for Data Mining also the updated Excel Addin has been released and it’s available in the Feature Pack. As if this would not be enough, also the SQL Server Data Tools IDE has been released in RTM: http://msdn.microsoft.com/en-us/data/hh297027 Remember that SQL Server Data Tool is completely free and can be used with SQL Server 2005 and after. Happy downloading!

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• easy visualization of usage statistics (web app)

  - by sova

  I have some usage queries for my web app's database, the results of which I want to display graphically. Is there an easy-to-use api that exists for this purpose? I want to show things like average query-time per user (a small user-base), average query time per day, and things like that. I think it would be cool to show these on a two-axis graph. I am displaying this data on my site, so a jQuery/javascript/html solution for rendering information into graphs would be ideal. Thank you :) P.S. I wasn't sure if I should ask this on SO, but I am looking more for which product to use, not how to program with it.

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• GeoToolkit Demo Embedded in an Application Framework via Maven

  - by Geertjan

  As a follow on to yesterday's blog entry, here's the equivalent starter application for GeoToolkit (also known as Geotk) on the NetBeans Platform, which ends up looking like this: The above is a border.shp file I found on-line, while here's a USA states shape file rendered in the application: Note that the navigation bar is also included, though that could later be migrated into the menu bar of the NetBeans Platform.  Download the Maven based NetBeans Platform application with GeoToolkit integration here: http://java.net/projects/nb-api-samples/sources/api-samples/show/versions/7.3/tutorials/geospatial/geotoolkit/MyGeospatialSystem It was quite tricky getting this sample together, parts of it, especially the installer, which creates the database, comes from the Puzzle GIS project, while the files come from on-line locations, with the JAI-related dependencies providing problems of their own. But it's definitely a starting point and you now have the basic Maven structure needed for getting started with GeoToolkit in the context of all the services and components provided by the NetBeans Platform.  Many thanks to Johann Sorel for his patience and help. 

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• generating a class dynamically from types that are fetched at runtime

  - by Ritwik G

  is doing the following possible in C# (or in any other language) 1. I am fetching data from a database. At run time i can compute the no. of columns and data types of the columns fetched. 2. Next i want to "generate" a class with these data types as fields. I also want to store all the records that i fetch in a collection. The problem is that i wanna do both step **1** and **2** at runt ime is this possible ? I am using C# currently but i can shift to something else if i need to.

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• Caching strategies - LRU, MRU, Clock-Pro

  - by golgofa

  I am going to write a bachelor's science work on caching strategies and really, can't find any links to specifications or full descriptions of some of them. Only something like summaries from wikipedia. Please, help with some links on LRU, MRU caching and new-one - Clock Pro. Thanks a lot. All links are very useful for me. The purpose of work - is to compare different cache strategies to get more effiency. It based on WebApplication with ejb 2.0, so algorithm's will be implemented there, espesially in ejbLoad() and ejbFindByPrimarKey(). Also, one of aspects of this application - it will use not common scheme of tables in database - it based on metamodel. So, if you had any experience on this topic, i would be grateful to take some of your knowledge)

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• How to automate mysql backups?

  - by Patrick

  hi, I want to automatize the backup of my databases and files with cron. Should I add the following lines to crontab ? mysqldump -u root -pPASSWORD database_name | gzip > /home/backup/database_`date +\%m-\%d-\%Y`.sql.gz svn commit -m "Committing the working copy containing the database dump" 1) First of all, is this a good approach? 2) It is not clear how to specify the repository and the working copy with svn. 3) How can I run svn only when the mysqldump is done and not before ? Avoiding conflicts Any other tip ? thanks

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• Neue Spezialisierung, neues Glück!

  - by A&C Redaktion

  Spektakuläre News aus der Welt der Spezialisierungen: Das Oracle PartnerNetwork (OPN) bietet künftig eine Spezialisierung für Oracle Spatial. Bekannt gegeben wurde dies kürzlich auf der Location Intelligence and Oracle Spatial User Conference 2012 in Washington. Bei Oracle Spacial handelt es sich um eine besondere Option für die Oracle Database 11g Enterprise Edition. Sie bietet neuartige Möglichkeiten zur Unterstützung von räumlichen Applikationen, location-based Services und raumbezogenen Informationssystemen in Unternehmen. Konkret dient die Anwendung z. B. dazu, geographische Daten innerhalb der Datenbank zu managen. Die Möglichkeiten reichen vom automatisierten Erstellen von Karten über Facilities-Management bis hin zum Geopraphic Information System (GIS). Die Kriterien für diese besondere Spezialisierung finden sie auf der Webseite Oracle Spatial 11g Specialization Criteria. Oracle Spacial ist nur eine unter vielen möglichen Spezialisierungen, mit denen Partner offiziell zu anerkannten und ausgezeichneten Experten werden können. Einen Überblick über die Vorteile der Spezialisierung und die Wege dorthin finden Sie hier.Und dies ist der Link auf unsere deutsche Broschüre.

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• Neue Spezialisierung, neues Glück!

  - by A&C Redaktion

  Spektakuläre News aus der Welt der Spezialisierungen: Das Oracle PartnerNetwork (OPN) bietet künftig eine Spezialisierung für Oracle Spatial. Bekannt gegeben wurde dies kürzlich auf der Location Intelligence and Oracle Spatial User Conference 2012 in Washington. Bei Oracle Spacial handelt es sich um eine besondere Option für die Oracle Database 11g Enterprise Edition. Sie bietet neuartige Möglichkeiten zur Unterstützung von räumlichen Applikationen, location-based Services und raumbezogenen Informationssystemen in Unternehmen. Konkret dient die Anwendung z. B. dazu, geographische Daten innerhalb der Datenbank zu managen. Die Möglichkeiten reichen vom automatisierten Erstellen von Karten über Facilities-Management bis hin zum Geopraphic Information System (GIS). Die Kriterien für diese besondere Spezialisierung finden sie auf der Webseite Oracle Spatial 11g Specialization Criteria. Oracle Spacial ist nur eine unter vielen möglichen Spezialisierungen, mit denen Partner offiziell zu anerkannten und ausgezeichneten Experten werden können. Einen Überblick über die Vorteile der Spezialisierung und die Wege dorthin finden Sie hier.Und dies ist der Link auf unsere deutsche Broschüre.

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