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• What is Perl's relation to hackers? [closed]

  - by K.Steff

  I know Perl is a language revered by many hackers (as in hacker vs cracker) and respected by many good programmers for its expressiveness. I also realize it is useful to know and it's very handy at generalizing common Unix tasks (Unix here includes Linux and Cygwin). I also know that being a good hacker probably means you're a good programmer in general (references on this one are sparse around the web, but about everything Paul Graham has ever written seems approving of this statement to me). So my question is whether there is a reason that attracts hackers to Perl in particular? Will learing Perl improve my general programming, problem-solving and hacking skills if done properly? Does it present unique tools that are more useful to a hacker?

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• Free eBook: 45 Database Performance Tips for Developers

  As a developer, if you need to go into the database and write queries, design tables, or determine the configuration of your SQL Server Systems, these tips should help make sure you're not unnecessarily sacrificing database performance. This eBook has 45 easy tips to improve the performance of your indexes and T-SQL queries, and hunt down problems within ORM tools and database design. Save 45% on our top SQL Server database administration tools. Together they make up the SQL DBA Bundle, which supports your core tasks and helps your day run smoothly. Download a free trial now.

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• Follow the deadlines vs Do it right

  - by QuiteNothing

  I have been given a huge task of migrating few functionalities from jQuery to AngularJS. I have been pretty good at Angular by now. But I want to dive deep and create futuristic, sound architecture. BAs are seating on my neck, wanting to get my tasks as quickly as possible. I prefer doing something once and right vs keeping on patching existing functionalities. And with this attitude, I always keep working more than necessary. Am I missing something? Am I having right approach or am just not convincing enough BAs my point. What's the best approach, in your opinion Thank You :)

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• pgadmin III doesn't work due to "The server lacks instrumentation functions."

  - by Chaz SLiger

  When pgAdmin III is used to open a PostgreSQL database the following message appears. There does not seem to be any obvious package listed in the Ubuntu Software Center for this. The server lacks instrumentation functions. pgadmin III uses some support functions that are not available by default in all PostgreSQL versions. These enable some tasks that make life easier when dealing with log files and configuration files. The adminpack is installed and activated by default if you are running the one-click installer of PostgreSQL. On Unix, you may have to install the contrib package, either with your package installer tool or by compilation.

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• Should you salary reflect how much work there is for you or does that not matter? [closed]

  - by Kevin Simper

  I am working in a consulting company, where the company mostly do IT support. The website is also only focused on IT support, and we do not therefore capture leads for the Web Department. We aim for Small busniess, which needs new computers and firewalls. We were having a performance conversation and talked about salary and my employer told that he was not impressed by the revenue I was generating. I told that I did not have enough work and I would like to get more tasks and project so that i could reach the goal, but that i did not think it was my fault that there was not enough work. He said that it was not his fault either, but he could not pay me more. Is he right that I should not get paid more just because my employee can not get enough Web projects, or should i be paid what i am worth not based on the work amount the sales generate?

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• Add Custom Color Changing RGB LED Lighting to Your Next Project

  - by Jason Fitzpatrick

  While this specific project is a really neat back-lit bookcase with customizable LED lights galore, you could easily add the exact same setup to just about anything you wanted to give some LED love. The core of the project is a set of addressable LED modules, an Arduino board, and a simple bit of code. You could use it to make a 70s style mood lighting box, add color changing accents to your media room, or any other number of fun projects just by cloning this project and extending/shortening the wires where appropriate. The control module allows for solid colors, multi-colors, and animations. Hit up the link below for more information including the source code. ExpeditInvaders [via IKEAHacker] HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows?

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• Friday Fun: Dynamite Train

  - by Asian Angel

  This week’s game involves an ‘explosive’ combination of trains, bridges, and dynamite! Your mission is to stop these trains from crossing the various bridges using ingenuity and a limited supply of explosives. Can you destroy all the bridge designs and building materials you encounter or will your carefully thought out plans of destruction fail? HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• What is the ideal laptop for creative coding applications?

  - by Jason

  Hi, I am a creative coder using C++(cinder and OpenFrameworks) I am looking to upgrade from my MacBook, which slowed down to about 3fps this morning. My project involves particles systems and fluids reacting to audio analysis data and computer vision data in real-time. SD or HD? no biggie. I have asked many people what computer I need. Ideally, I want a MacBook Pro. But is that enough power? I've been told that I need a desktop for what I am doing though I'd rather stay portable I've been told that I should go PC linux to get the most power but I'd rather stay mac I've been told that RAM is more of bottleneck than processor speed I've been told that the Graphics Card is more important than CPU and that code optimizations such as using trees over lists, proper threading, sending tasks to the GPU make a bigger difference than the hardware!!! what's true?! what do I need? Any suggestions are greatly appreciated

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• Window controls missing; Cannot maximise or minimize applications

  - by omg_scout

  Ubuntu 12.10 32 bits, fresh installation. How can I make Unity maximize or minimize a window? I see no button,option, anything, do I miss something big? Quick googling did not give me a piece of answer, too: On first screen, I have a terminal window. Only clue about maximizing it I found was pressing F11 which made it fullscreen, hiding left bar as well. I would prefer it to take whole free space instead of whole screen. How can I do that? On second screen, I have an opera browser which takes bigger part of the screen but I can't make it take whole screen. Restarting opera did not work. How do I minimize/maximize apps? Also, in case I would like to see the desktop, only solution I found was closing everything Help guys. I kind of like new GUI, but I can't have simplest tasks done there, I feel like I miss something big there.

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• Leading a not-so-good team

  - by vinoth

  How would you manage if you are allocated a team of 5 with, say, 4 incompetent programmers and you are asked to lead? Obviously you can't code for the 4 guys (you can, but that is not a good idea. At least I burned out doing that). Have you come across these kind of situations? Edit: I think I sounded rude by choosing a wrong word (incompetent) to address my problem. To rephrase the question, how do you deal with people who do not complete assigned tasks (for whatever reasons [ranging from incompetence to 'I don't care' stuff])?

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• Backup a Single Table in SQL Server using SSMS

  - by Greg Low

  Our buddy Buck Woody made an interesting post about a common question: "How do I back up a single table in SQL Server?" That got me thinking about what a backup of a table really is. BCP is often used to get the data but you want the schema as well. For reasonable-sized tables, the easiest way to do this now is to create a script using SQL Server Management Studio. To do this, you: 1. Right-click the database (note not the table) 2. Choose Tasks > Generate Scripts 3. In the Choose Objects pane,...(read more)

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• How to examine the speed of your code results?

  - by Goma

  Hi. Whatever was your choice PHP, ASP.NET, Ruby On Rails or even JSP. You know that you can develop a website to give a specific result or to do some tasks in many ways. I mean you can change your code to make it shorter (or for any other reason) but to give the same result. In this case how do you test which code was faster to excute so you choose it to make your website faster? I mean do you have any tools or ideas in how to test the time of execution for your code and compare it with time of execution after you do some edit?

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• How can I make my game more popular without paying money?

  - by Marlon Drescher

  I am a game designer, software developer, composer and graphic artist and made the 3D Hack 'n Slay MMO Forgotten Elements on my own. It's playable at open Beta and will be released at the end of the year. I used Plain Old JAVA, JPCT 3D Engine, Tomcat Webserver and Blender 3D / Gimp to manage all the tasks. I developed the whole game from scratch. For me the hardest task in this challenge is probably the whole thing about marketing and advertisement. Because it is a independent project and I am the only person working on it, there is no money I could invest for making advertisement. But anyhow... How could it be possible to make this game more popular? What would you suggest me?

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• The ETL from Hell - Diagnosing Batch System Performance Issues

  Too often, the batch systems that underlie a lot of database processing just grow without conscious design. When runs start to extend beyond their allotted time, and tuning no longer solves the problem, it is often discovered that batches are run in series, with draconian error handling. It is time to impose some rational design, and Nigel is a seasoned healer of batch processes. The seven tools in the SQL DBA Bundle support your core SQL Server database administration tasks.Make backups a breeze! Enjoy trouble-free troubleshooting! Make the most of monitoring! Download a free trial now.

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• Battery Power when running Ubuntu 14.04 LTS in dual boot

  - by Amro A.

  This is only a general question in order for me to get a better idea of my dual boot (windows 8 & Ubuntu) systems. I noticed that every time I run Ubuntu (which is becoming more often) the battery power gets consumed really fast. I am not performing any special tasks at the moment, just getting to know the system, for example, sound settings, watching videos, surfing the net and so on. When I do the same thing in Windows 8 the battery lives a considerable amount of time longer. Is this something to do with Ubuntu or is it because of the dual boot that I have going on? In other words, if I start running Ubuntu all by itself on my laptop, will it be more power consuming than Windows 8?

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• Enhanced LINQ to SQL Compatible ORM Solution from Devart

  Devart has recently announced the release of LinqConnect - an enhanced LINQ to SQL compatible ORM solution with extended functionality, support for SQL Server, Oracle, MySQL, PostgreSQL, and SQLite, its own visual model designer, seamlessly integrating to Visual Studio, and SQL monitoring tool. LinqConnect allows you to quickly create mapping model and generate data access layer code for your application, greatly decreasing development time and eliminating the need to work over routine tasks. It...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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• Announcement: How-To Series Explaining Customizations Step By Step

  - by Oliver Steinmeier

  Yesterday we officially launched our new YouTube channel.  Today we are announcing another initiative that we have been working on for a while: to help you learn common customization tasks, we are going to publish a series of detailed How-To documents with lots of screenshots.  Many of these will also be the script for a YouTube video, giving you the choice to see it in action or go through the steps yourself guided by a PDF document. The focus of the initial set of How-Tos will be JDeveloper/ADF customizations, but over time we will expand into other areas.  Today's first document is meant to get everyone up to the point where a JDeveloper environment is up and running: a white paper that shows you how to set up JDeveloper, configure the integrated WLS domain, and make a very, very simple customization work. As always we are looking for your feedback.  Please let us know whether this is helpful for your work or learning, and what use cases you would like to see us document in these How-Tos.

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• How to avoid being an API programmer only?

  - by anything

  I have almost six years of experience in java. I have developed many projects which used frameworks like Struts, Spring, Hibernate, JQuery , DWR, Ajax etc. I have used these technologies in almost all the projects I have worked on. Projects were very simple mostly with crud based apps. My everyday tasks involves creating few screens, writing queries, testing etc. After all these years I feel like I have turned into an API programmer who just uses these above mentioned frameworks which is not giving me any satisfaction of being a programmer. Is this normal or is it just me who is feeling like this?

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• Single responsibility principle - am I overusing it?

  - by Tarun

  For reference - http://en.wikipedia.org/wiki/Single_responsibility_principle I have a test scenario where in one module of application is responsible for creating ledger entries. There are three basic tasks which could be carried out - View existing ledger entries in table format. Create new ledger entry using create button. Click on a ledger entry in the table (mentioned in first pointer) and view its details in next page. You could nullify a ledger entry in this page. (There are couple more operation/validations in each page but fore sake of brevity I will limit it to these) So I decided to create three different classes - LedgerLandingPage CreateNewLedgerEntryPage ViewLedgerEntryPage These classes offer the services which could be carried out in those pages and Selenium tests use these classes to bring application to a state where I could make certain assertion. When I was having it reviewed with on of my colleague then he was over whelmed and asked me to make one single class for all. Though I yet feel my design is much clean I am doubtful if I am overusing Single Responsibility principle

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• Attention All Procurement Buyers!

  - by LuciaC

  Have you discovered the power of the Buyer Work Center?   Released in Procurement 12.0 the Professional Buyer Work Center (BWC) is a web based interface that provides a central 'launch pad' from which you can efficiently perform your daily tasks, including:  You can manage your requisitions and create them to Purchase Orders (like manual autocreate) Create new standard purchase orders, blanket purchase agreements, or contract purchase agreements Create and maintain supplier information If Oracle Sourcing is licensed and implemented, you can create buyer's auctions or sourcing RFQs If Oracle Services Procurement is licensed and implemented you can create and maintain purchase orders for complex work payments If Oracle Procurement Contracts is licensed and implemented you can handle author contract terms and manage deliverables Globally for the BWC: Create and personalize your own document views including list of columns, where conditions and sort sequences. You can additionally use predefined document views. Accessed from the Purchasing responsibility as we see in the screenshot here, the Buyer Work Center has links to launch to the areas you want to access. See these documents for more information on the BWC: Doc ID 1301969.1: FAQ - Buyer Work CenterDoc ID 1394392.1: Assistant: Oracle Purchasing Purchasing Buyer Work Center Search Helper.

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• Jquery modal plugin

  - by trante

  In my web application i have one page call it mypage.html When user clicks some link in mypage a modal window will be opened and he will see some html page. (I do this by Colorbox or Twitter Bootstrap now) But when user clicked a button in modal window, an Ajax request will be sent to my server. If request is successfull he will see some new modal window, else user will see another modal window. After all steps user will close modal window and tasks will be finished. Which jquery modal window plugin is suitable for this type of usage?

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• FFmpeg multi pass encoding

  - by Levan

  Sorry, I am really new to this, and have problems doing some tasks without help. So I have a terminal command: ffmpeg \ -y \ -i '/media/levan/BEEA60D8EA608E89/Downloads/Videos/Tony Braxton - Un-Break My Heart.VOB' \ -s 1920x1080 \ -aspect 16:9 \ -r 25 \ -b 15550k \ -bt 19792k \ -vcodec libtheora \ -acodec libvorbis \ -ac 2 \ -ar 48000 \ -ab 320k \ ddd.ogg and I want to have 3 pass video in output video, but how do I accomplish this? I found that I must write -pass n command some where, but where to write it I do not know. I tested this and wrote -pass 3 at the end but then the terminal just showed a > symbol.

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• Floppy Drive not recognised

  - by Art

  I am a newbie with Ubuntu during the past two weeks, and I believe, that I have made good progress so far. Current setup tasks are completed, like: "Wireless Network, Printer, Thunderbird + Firefox, e-mail", also my local weather station - all setup. Updated files and rearranged the desktop to my liking. The problem I have now is my floppy drive which is not recognized, but the activity light is shown on constantly. I have downloaded the "MakeFloppyDriveAvailableToEveryone" and i am confident that I can follow the instructions to change the floppy drive. However, I do not have an existing fd0 file in /dev/???, but only /dev/fd/ files 0 to 46. Please advise.

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• memory and time intensive php task

  - by Goddard

  Sorry if this question has been asked before, but I couldn't find anything usable. I'm working on a project for a client and currently I have to loop through the users table which is about 3000 records and still growing. I have to do some calculations on a nightly basis which I am going to be using cron/php. The calculations script uses about 3.5mb of memory and takes about 1 second to run. When loading individual users my current php setup handles this fine, but if I try and loop through the user list my php script execution time runs out. I've read after doing some searching that I can make the page reload itself after each user calculation and just keep my previous place in the loop and this sounds like a good idea, but I wanted to hear some opinions from others that have handled similar situations and how you handled these types of tasks. Thanks.

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• Personal/career objectives tracker

  - by scottyab

  Looking for a simple, clean and easy to use personal/career objectives tracker for my team of ~10 developers something like what remember the milk is for tasks. At the moment I track these in a google doc, but ideally like a system where I can browse the teams objectives, add a team objective and it automatically appear on members personal objectives. Also where team members can add/manage their own objectives, browse colleges public/team objectives. Ideally it would also have option for people to add personal out side of work objectives for personal dev projects. Anyone used a tool to do this? our a combination of existing tools like gdocs, rtm?

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