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  • Cheerp -- C++ for web: advance or regression?

    - by Henrique Barcelos
    Recently I've run into Cheerp, a C++ to Javascript compiler, which uses a modified version of clang to generate Javascript code from C++ sources. That makes me wonder: why in the seven kingdoms would someone do this in their right mind? I mean: why would you take a language that is not designed for web at all, that is far more convoluted and bureaucratic, write your code and then compile it into Javascript itself? Can anybody see any advantages in doing so? We surely can discard performance as a reason, because in the end it generates pure Javascript code. Is there anyone here that have real experience with this? P.S.: I'm not sure if this is an on topic question, but this is the most general forum about programming that I could find in the StackExchange network. Edit Although this seems like a subjective question, it is not. I am asking for reasons that this tool could be useful. I got interested at first, but started wondering why would someone use it.

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  • JavaOne - Java SE Embedded Booth - Servergy Micro Server

    - by David Clack
    Hi All,  So it's been awhile, I've been working with all the ARM and Power Architecture partners we have now on testing Java SE Embedded. We will have a Java SE Embedded for ARM and PPC at Java One next week, I'll be bringing in some of the great ARM and PPC systems to demonstrate.  The first system I'd like to tell you about is a really cool 8 core Power Architecture Micro Server from a company in Dallas called Servergy. Java One will be it's first public outing, Bill Mapp the CEO will be doing a talk at the Java Embedded @ JavaOne conference in the Hotel Nikko, right next door to the JavaOne show in the Hilton. To read more about Servergy https://www.linux.com/news/enterprise/cloud-computing/641488-linux-based-servergy-advances-data-center-efficiency http://www.servergy.com/ If you are registered at JavaOne you can come over to the Java Embedded @ JavaOne for $100 Come see us in booth 5605 See you there Dave

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  • What's the best version control/QA workflow for a legacy system?

    - by John Cromartie
    I am struggling to find a good balance with our development and testing process. We use Git right now, and I am convinced that ReinH's Git Workflow For Agile Teams is not just great for capital-A Agile, but for pretty much any team on DVCS. That's what I've tried to implement but it's just not catching. We have a large legacy system with a complex environment, hundreds of outstanding and undiscovered defects, and no real good way to set up a test environment with realistic data. It's also hard to release updates without disrupting users. Most of all, it's hard to do thorough QA with this process... and we need thorough testing with this legacy system. I feel like we can't really pull off anything as slick as the Git workflow outlined in the link. What's the way to do it?

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  • What is the benefit of writing to a temp location, And then copying it to the intended destination?

    - by Devdatta Tengshe
    I am writing an application that works with satellite Images, and my boss asked me to look at some of the commercial application, and see how they behave. I found a strange behavior and then as I was looking, I found it in other standard applications as well. These Programs first write to the temp folder, and then copy it to the intended destination. Example: 7zip first extracts to the temp folder, and then copies the extracted data to the location that you had asked it to extract the data to. I see several problems with this approach: 1.The temp folder might not have enough space, while the intended location might have that much space. 2.If it is a large file, it can take a non-negligible amount of time for the copy operation. I thought about it a lot, but I couldn't see one single positive point to doing this. Am I missing something, or is there a real benefit to doing this?

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  • compiz hiding unity and all menus

    - by Lennart Guldbrandsson
    After updating to Ubuntu 11.10, I was severly disturbed by Dash and wanted to go back to Ubuntu Classic. So I tried to read up, and found Compiz SettingsManager. In there, I clicked "on" never hide menus. For some reason this made all my menus at the top of the screen (volume, network, my login identity, and shutoff, etc) disappear - as well as the quickstart menu to the left (Unity). I am not very technical, so I have a hard time finding any programs now, and I just got on the internet by clicking on a link in a document, that I was fortunate to have on my Desktop. Without it, I wouldn't be able to ask for help. What I wish for is a) to get back the menu at the top, b) to restore the Ubuntu Classic without the irritating launcher and Dash, c) these two things to not disappear every time there is a new version of Ubuntu. Any help is greatly appreciated.

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  • Public JCP EC Meeting on 12 November

    - by Heather VanCura
    The next JCP EC Meeting, and the last public EC Meeting of 2013, is scheduled for Tuesday, 12 November at 08:00 AM PST.  Agenda includes a discussion on invigorating your community participation in the JCP program. We hope you will join us, but if you cannot attend, the recording and materials will also be public on the JCP.org multimedia page. Meeting details below. Meeting information ------------------------------------------------------- Topic: Public EC Meeting Date: Tuesday, November 12, 2013 Time: 8:00 am, Pacific Standard Time (San Francisco, GMT-08:00) Meeting Number: 809 853 126 Meeting Password: 1234 ------------------------------------------------------- To start or join the online meeting ------------------------------------------------------- Go to https://jcp.webex.com/jcp/j.php?ED=239354237&UID=491098062&PW=NZjAyM2Q2YTVj&RT=MiM0 ------------------------------------------------------- Audio conference information ------------------------------------------------------- +1 (866) 682-4770 (US)   Conference code: 5731908   Security code: 1234 For global access numbers https://www.intercallonline.com/listNumbersByCode.action?confCode=5731908 Or +1 (408) 774-4073   

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  • Write own messaging system vs. utilize existing ones

    - by A.Rashad
    We are trying to have our own startup, with a middleware application to glue small applications with enterprise legacy systems. for such middle-ware to function properly, we will need some sort of messaging system to make different components talk to each other in a reliable way. the alternatives are: use an existing messaging system, such as 0MQ, jBOSS, WebSphere MQ, etc. build our own messaging system the way we see the problem I am more biased towards the later option for the following reasons: to have more control over our final product to avoid any licensing problems later on to learn about messaging while writing the code to invent something new, that might cost us lots of $$$ if reused an existing system What would you do if in my shoes?

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  • Bunny Inc. Season 2: Spice Up Your Applications

    - by kellsey.ruppel
    The quality and effectiveness of online services is strongly dependent on core business processes and applications. Nonetheless, user friendly composite applications are still a challenge for enterprises, especially if they are also requested to embed social technologies to empower customization and facilitate collaboration. You can operate like Hare Inc. and disappoint your customers, delivering inefficient services and wasting outside-in innovation opportunities, or you can operate like Bunny Inc., leveraging participatory services to improve connections between people, information and applications. And maybe you are ahead enough to adopt a public enterprise cloud to drive business through organic conversations and jump-start productivity with more-purposeful social networking and contextual enterprise collaboration. Don't miss this second episode of Social Bunnies Season 2 to learn how to increase the value of existing enterprise systems while augmenting employee productivity, business flexibility and organizational awareness. Still looking for more information on composite applications. We've got a ton of great resources for you to learn more!

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  • What are QUICK interview questions for the Microsoft stack development jobs?

    - by Dubmun
    I'm looking for your best "quick answer" technical interview questions. We are a 100% Microsoft shop and do the majority of our development on the ASP.NET web stack in C# and have a custom SOA framework also written in C#. We use a combination of Web Forms, MVC, Web Services, WCF, Entity Framework, SQL Server, TSQL, jQuery, LINQ, and TFS in a SCRUM environment. We are currently on .NET 3.5 with a very near transition to .NET 4.0. Our interviewing process includes a 55 minute interview with two technical people (usually an architect and a senior developer). The two interviewers have to share the time for questions. That isn't enough time for very many true programming problems so I'm looking for more good questions that have quick, yet meaningful, answers. We are mainly interviewing for Senior Dev positions right now but may interview for some Juniors in the future. Please help?

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  • Increase productivity, accelerate work-to-cash cycles, and reduce overall firm and client risk with

    Law firms around the world are faced with increasing pressures to do business faster and more efficiently. Learn how firms can automate manual, paper-driven processes, ensure regulatory compliance, integrate systems and offices brought together by mergers and acquisitions, and take on new business quickly and efficiently. Understand how firms can automate manual tasks with Oracle's Whitehill One; get invoices out the door faster with Whitehill Enterprise; and can go green with Whitehill Pre-Bill. In this session, you will hear about Oracle's new legal services offerings that accelerate work-to-cash cycles, increase productivity, and reduce overall firm and client risk.

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  • SQLPASS DB Design Precon Preview

    - by drsql
    It is just a few months left before SQLPASS and I am pushing to get my precon prepped for you. While it will be the second time I produce this on the year, I listened to the feedback and positive comments I have heard from potential attendees, so I am making a couple of big changes to fit what people really liked. Lots more design time. We will do more designs in some form, as a group, teams, and individually, depending on the room and people in attendance. (Figure on a lot of databases centered...(read more)

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  • How-To limit user-names in LightDM login-screen when AccountsService is used

    - by David A. Cobb
    I have several "user" names in passwd that don't represent real people, and that should not appear on the LightDM login-screen. The lightdm-gtk-greeter configuration file clearly says that if AccountsService is installed, the program uses that and ignores its owh configureation files. HOWEVER, there is less than nothing for documentation about how to configure AccountsService! Please, can someone tell me how to configure the system so that only an explicitly specified group of users are shown on the greeter? I could uninstall AccountsService. I did that before, but it comes back (dependencies, I suppose). TIA

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  • Future-proofing myself when learning to program.

    - by Chris Bridgett
    I want to learn to program in a 'future-proof' manner, if you like. Whilst Windows dominates the desktop OS marketplace (for now), obviously there is a lot of value in learning its languages/frameworks/API's and so on - this might be subject to change as new devices emerge or Windows shoots itself in the foot (over-friendly previews of Windows 8 don't look too appealing...). Would I be right in thinking that having a solid knowledge of C/C++ for back-end logic/low level programming and the like, combined with an extremely portable language like Java for GUI's and so on, would be a good basis for software development that will prove useful on the most amount of systems? - I'm talking desktop PC's, tablets, phones.

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  • Connectify Dispatch Links Multiple Network Nodes Into a Mega Connection

    - by Jason Fitzpatrick
    Connectify Dispatch wants to change the way you interact with the networks around you by making it dead simple to mesh all available Wi-Fi, Cellular, and Ethernet connections into a massive and stable pipeline. Dispatch makes it open-and-click easy to hook up multiple Wi-Fi nodes, your cellphone, and even Ethernet connections into a single blended connection. While the video above gives a great overview of the process, check out the video below to see it in real world action: The project is currently in the last phase of KickStarter funding, so now is a great time to score Connectify Dispatch at a steep discount–pledging as little as $10 to fund the project, for example, scores you 50% of a 6-month Pro license. Hit up the link below to read more about the project, check the KickStarter status, and see all the neat features in the development pipeline. Dispatch: The Internet, Faster. [KickStarter] 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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  • How long can a user remember what they were working on? [migrated]

    - by GlenPeterson
    A web application lets the user browse its screens for future or past months. The time period the user is currently viewing follows the user through every screen of the system. But users can be logged in for a month or more. After a certain period of inactivity, we will prompt the user: You were viewing November 2008 when you last clicked. Want to view the current (default) time period instead? How long between user clicks should we wait to show this message? I'm guessing somewhere between 30 minutes and 3 hours most people will forget what they were doing, but I'd love to have some data, or someone's experience to base it on. Other suggestions related to this issue?

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  • When starting or log off/on, add'l panels show and some panel applets are duplicated

    - by keepitsimpleengineer
    After upgrading to 12.04 Gnome Classic amd64,every time I log on a new additional blank panel appears on the top and bottom panels - which I delete every time. In addition, the default panel applets are duplicated in the original panels. Also the panels in the second screen are empty (in addition to the wallpaper being hidden). Update: As suggested by fossfreedomm I created a new user and the same behavior occurred. I increased the height of the panels (2436) and the added panels did not change. If I don't remove the added panels and log off/on I get still another - they accumulate. If I switch user instead of logoff/logon, the add'l panel do not appear.

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  • OpenGL programming vs Blender Software, which is better for custom video creation?

    - by iammilind
    I am learning OpenGL API bit by bit and also develop my own C++ framework library for effectively using them. Recently came across Blender software which is used for graphics creation and is in turn written in OpenGL itself. For my part time hobby of graphics learning, I want to just create small-small movie or video segments; e.g. related to construction engineering, epic stories and so on. There may be very minimal to nil mouse-keyboard interaction for those videos, unlike video games which are highly interactive. I was wondering if learning OpenGL from scratch is worth for it or should I invest my time in learning Blender software? There are quite a few good movie examples are created using Blender and are shown in its website. Other such opensource cross platform alternatives are also welcome, which can serve my aforementioned purpose.

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  • Grub does not autoboot the default option after upgrade to 12.10

    - by Petr Kozelka
    I recently upgraded Ubuntu from 12.04 to 12.10 and since that time, the system does not automatically boot. It always opens the boot menu, and I have to press Enter to make it boot Ubuntu. It seems to be ignoring the timeout value, and using a 'neverending' timeout. There are no other systems (no dual boot), only the options originally installed by default Ubuntu 12.04 installation. My /etc/default/grub has only these effective options: GRUB_DEFAULT='Ubuntu' GRUB_HIDDEN_TIMEOUT=1 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=1 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" GRUB_TERMINAL=console I experimented with GRUB_DEFAULT, giving it values '0', '1', 'Ubuntu' but nothing helps. Yes I always run update-grub afterwards. How can I make the system booting again ?

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  • Is it possible to use Google Analytics to track file downloads?

    - by Eric Falsken
    It's always bothered me that Google Analytics (and similar embedded web traffic monitoring services) can only see a reflection of the traffic going to my server and can only see page visits since it depends on the browser executing a Javascript snippet. If I want to track real downloads of a software package (ZIP file), there's no way Google Analytics can possibly tell me that because its javascript can't be attached to a ZIP file. Is there a way I can upload my log files to Google so that the pointy-haired boss can see downloads of our ZIP/PDF/BIN files and not just visits to the download page?

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  • Use your own domain email and tired of SPAM? SPAMfighter FTW

    - by Dave Campbell
    I wouldn't post this if I hadn't tried it... and I paid for it myself, so don't anybody be thinking I'm reviewing something someone sent me! Long ago and far away I got very tired of local ISPs and 2nd phone lines and took the plunge and got hooked up to cable... yeah I know the 2nd phone line concept may be hard for everyone to understand, but that's how it was in 'the old days'. To avoid having to change email addresses all the time, I decided to buy a domain name, get minimal hosting, and use that for all email into the house. That way if I changed providers, all the email addresses wouldn't have to change. Of course, about a dozen domains later, I have LOTS of pop email addresses and even an exchange address to my client's server... times have changed. What also has changed is the fact that we get SPAM... 'back in the day' when I was a beta tester for the first ISP in Phoenix, someone tried sending an ad to all of us, and what he got in return for his trouble was a bunch of core dumps that locked up his email... if you don't know what a core dump is, ask your grandfather. But in today's world, we're all much more civilized than that, and as with many things, the criminals seem to have much more rights than we do, so we get inundated with email offering all sorts of wild schemes that you'd have to be brain-dead to accept, but yet... if people weren't accepting them, they'd stop sending them. I keep hoping that survival of the smartest would weed out the mental midgets that respond and then the jumk email stop, but that hasn't happened yet anymore than finding high-quality hearing aids at the checkout line of Safeway because of all the dimwits playing music too loud inside their car... but that's another whole topic and I digress. So what's the solution for all the spam? And I mean *all*... on that old personal email address, I am now getting over 150 spam messages a day! Yes I know that's why God invented the delete key, but I took it on as a challenge, and it's a matter of principle... why should I switch email addresses, or convert from [email protected] to something else, or have all my email filtered through some service just because some A-Hole somewhere has a site up trying to phish Ma & Pa Kettle (ask your grandfather about that too) out of their retirement money? Well... I got an email from my cousin the other day while I was writing yet another email rule, and there was a banner on the bottom of his email that said he was protected by SPAMfighter. SPAMfighter huh.... so I took a look at their site, and found yet one more of the supposed tools to help us. But... I read that they're a Microsoft Gold Partner... and that doesn't come lightly... so I took a gamble and here's what I found: I installed it, and had to do a couple things: 1) SPAMfighter stuffed the SPAMfighter folder into my client's exchange address... I deleted it, made a new SPAMfighter folder where I wanted it to go, then in the SPAMfighter Clients settings for Outlook, I told it to put all spam there. 2) It didn't seem to be doing anything. There's a ribbon button that you can select "Block", and I did that, wondering if I was 'training' it, but it wasn't picking up duplicates 3) I sent email to support, and wrote a post on the forum (not to self: reply to that post). By the time the folks from the home office responded, it was the next day, and first up, SPAMfighter knocked down everything that came through when Outlook opend... two thumbs up! I disabled my 'garbage collection' rule from Outlook, and told Outlook not to use the junk folder thinking it was interfering. 4) Day 2 seemed to go about like Day 1... but I hung in there. 5) Day 3 is now a whole new day... I had left Outlook open and hadn't looked at the PC since sometime late yesterday afternoon, and when I looked this morning, *every bit* of spam was in the SPAMfighter folder!! I'm a new paying customer After watching SPAMfighter work this morning, I've purchased a 1-year license, and I now can sit and watch as emails come in and disappear from my inbox into the SPAMfighter folder. No more continual tweaking of the rules. I've got SPAMfighter set to 'Very Hard' filtering... personally I'd rather pull the few real emails out of the SPAMfighter folder than pull spam out of the real folders. Yes this is simply another way of using the delete key, but you know what? ... it feels good :) Here's a screenshot of the stats after just about 48 hours of being onboard: Note that all the ones blocked by me were during Day 1 and 2... I've blocked none today, and everything is blocked. Stay in the 'Light!

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  • SQL SERVER – ?Finding Out What Changed in a Deleted Database – Notes from the Field #041

    - by Pinal Dave
    [Note from Pinal]: This is a 41th episode of Notes from the Field series. The real world is full of challenges. When we are reading theory or book, we sometimes do not realize how real world reacts works and that is why we have the series notes from the field, which is extremely popular with developers and DBA. Let us talk about interesting problem of how to figure out what has changed in the DELETED database. Well, you think I am just throwing the words but in reality this kind of problems are making our DBA’s life interesting and in this blog post we have amazing story from Brian Kelley about the same subject. In this episode of the Notes from the Field series database expert Brian Kelley explains a how to find out what has changed in deleted database. Read the experience of Brian in his own words. Sometimes, one of the hardest questions to answer is, “What changed?” A similar question is, “Did anything change other than what we expected to change?” The First Place to Check – Schema Changes History Report: Pinal has recently written on the Schema Changes History report and its requirement for the Default Trace to be enabled. This is always the first place I look when I am trying to answer these questions. There are a couple of obvious limitations with the Schema Changes History report. First, while it reports what changed, when it changed, and who changed it, other than the base DDL operation (CREATE, ALTER, DELETE), it does not present what the changes actually were. This is not something covered by the default trace. Second, the default trace has a fixed size. When it hits that size, the changes begin to overwrite. As a result, if you wait too long, especially on a busy database server, you may find your changes rolled off. But the Database Has Been Deleted! Pinal cited another issue, and that’s the inability to run the Schema Changes History report if the database has been dropped. Thankfully, all is not lost. One thing to remember is that the Schema Changes History report is ultimately driven by the Default Trace. As you may have guess, it’s a trace, like any other database trace. And the Default Trace does write to disk. The trace files are written to the defined LOG directory for that SQL Server instance and have a prefix of log_: Therefore, you can read the trace files like any other. Tip: Copy the files to a working directory. Otherwise, you may occasionally receive a file in use error. With the Default Trace files, if you ask the question early enough, you can see the information for a deleted database just the same as any other database. Testing with a Deleted Database: Here’s a short script that will create a database, create a schema, create an object, and then drop the database. Without the database, you can’t do a standard Schema Changes History report. CREATE DATABASE DeleteMe; GO USE DeleteMe; GO CREATE SCHEMA Test AUTHORIZATION dbo; GO CREATE TABLE Test.Foo (FooID INT); GO USE MASTER; GO DROP DATABASE DeleteMe; GO This sets up the perfect situation where we can’t retrieve the information using the Schema Changes History report but where it’s still available. Finding the Information: I’ve sorted the columns so I can see the Event Subclass, the Start Time, the Database Name, the Object Name, and the Object Type at the front, but otherwise, I’m just looking at the trace files using SQL Profiler. As you can see, the information is definitely there: Therefore, even in the case of a dropped/deleted database, you can still determine who did what and when. You can even determine who dropped the database (loginame is captured). The key is to get the default trace files in a timely manner in order to extract the information. If you want to get started with performance tuning and database security with the help of experts, read more over at Fix Your SQL Server. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: Notes from the Field, PostADay, SQL, SQL Authority, SQL Query, SQL Security, SQL Server, SQL Tips and Tricks, T SQL

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  • Mobile Web or Objective-C?

    Cameron Moll is worried about a future in which we’ll all write Objective-C for the iPhone OS instead of writing web standards for the mobile web.At one point in time, J2ME (now Java ME) and WAP were the starting points for a discussion on mobile strategy and the web. Then, for a brief period of time, you talked about HTML/CSS. Now, for a growing majority of mobile strategies that don’t require a global presence on widely varying devices, the discussion begins with iPhone.Emphasis mine. Strategy...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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  • B2B Customer Case Study Presentation at OOW 2012!

    - by Nitesh Jain
    Real life B2B customer talking about consolidation to Oracle B2B and SOA Suite. Hear Kevin Clugage, IT Director, Stryker and B2B Team present on consolidating legacy B2B networks on a global B2B infrastructure using Oracle B2B and SOA Suite. This session will discuss B2B industry trends, product overview, Stryker's case study and will elaborate on the benefits of using Oracle B2B to solve your partner integration needs today. Oracle B2B is Drummond Certified and has customers using the product in Supply Chain, Travel, Transport, Healthcare, Hightech and Telecom industries. We are excited about our session, and look forward to see you there! Wed, Oct 3, 3:30 PM – 4:30 PM – Moscone West – 3003 CON5003 – Delivering a High-Value Global B2B Network with Oracle SOA Suite 11g https://blogs.oracle.com/SOA/entry/b2b_customer_case_study_presentation

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  • Why is my partition claiming to be out of space?

    - by Dr C
    My file system claims to only have 4.5 GB left. While my OS (a folder with in file system) still has 75.2 GB left. I put something near 130 GB on my Ubuntu partition, it should have enough space. I confirmed that I can put things in OS that exceed the space in available file systems, but that makes no sense, OS is listed as a folder inside of file system, why would it have more space than it's parent folder? What is going on? Here is the output of df: Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda5 113773200 103741440 4252408 97% / udev 2004600 4 2004596 1% /dev tmpfs 804756 848 803908 1% /run none 5120 0 5120 0% /run/lock none 2011884 436 2011448 1% /run/shm /dev/sda2 127526908 54045584 73481324 43% /media/OS /dev/sda3 39144708 89016 39055692 1% /media/DATA`

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  • Direct Code Support?

    - by Josh Kahane
    A few times in the past I've hit a major wall and simply couldn't progress with a certain aspect of an app as Im a beginner and still learning the ropes (Objective-C specifically). I was curious if anyone knows of any services which support programmers in real time, paid or free and will over video, audio or text chat sit and work a problem out till its fixed and look through your code? I understand Stackoverflow does a super job at this! However Im in need of something a little more tailored where someone can spend a little time to sit and look and what Im dealing with and delve into my a code if need be. Thanks.

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