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  • Why is web app development path in Java this much confusing? [closed]

    - by Farshid
    I'm currently a .net web developer and I really like to switch to Java. I've used JSP about 7 years ago to develop and deploy a small web application on a JRUN app server. But after 7 years that I like to return back to Java, I can't find the clue. There are many web development frameworks that exist in Java world and each of them has fans that recommand it. There are extensions that sit above jvm for web development (like jRuby i think). I am confused and I do not know where to start the path of learning java web development. I do not want to focus on custom tailor-made approaches and want to remain on the basic path of developing with standard tools and methods and deploy them into standard app servers. (For example some says do not use EJBs, some says focus on MVC facilities like JSF. I'm confused and I do not know the path that i should go on)

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  • Survey: Your Plans for Adopting New Firefox Releases?

    - by Steven Chan (Oracle Development)
    Mozilla is committing to releasing new Firefox versions every six weeks.  Mozilla released Firefox 5 this week.  With this release, Mozilla states that Firefox 4 is End-of-Life and will not receive any additional security updates.  In a comment thread posted on to a Mike Kaply's blog article discussing these new Firefox policies, Asa Dotzler from Mozilla stated: ... Enterprise has never been (and I’ll argue, shouldn’t be) a focus of ours. Until we run out of people who don’t have sysadmins and enterprise deployment teams looking out for them, I can’t imagine why we’d focus at all on the kinds of environments you care so much about.  In a later comment, he added: ... A minute spent making a corporate user happy can better be spent making many regular users happy. I’d much rather Mozilla spending its limited resources looking out for the billions of users that don’t have enterprise support systems already taking care of them. Asa then confirmed that every new Firefox release will put the previous one into End-of-Life: As for John’s concern, “By the time I validate Firefox 5, what guarantee would I have that Firefox 5 won’t go EOL when Firefox 6 is released?” He has the opposite of guarantees that won’t happen. He has my promise that it will happen. Firefox 6 will be the EOL of Firefox 5. And Firefox 7 will be the EOL for Firefox 6.  He added: “You’re basically saying you don’t care about corporations.” Yes, I’m basically saying that I don’t care about making Firefox enterprise friendly. Kev Needham, Channel Manager at Mozilla later stated to PC Mag: The Web and Web browsers continue to evolve rapidly. Mozilla's focus is on providing users with the best Web experience possible, and Firefox needs to evolve at the pace the Web's users and developers expect. By releasing small, focused updates more often, we are able to deliver improved security and stability even as we introduce new features, which is better for our users, and for the Web.We recognize that this shift may not be compatible with a large organization's IT Policy and understand that it is challenging to organizations that have effort-intensive certification polices. However, our development process is geared toward delivering products that support the Web as it is today, while innovating and building future Web capabilities. Tying Firefox product development to an organizational process we do not control would make it difficult for us to continue to innovate for our users and the betterment of the Web.  Your feedback needed for E-Business Suite certifications  Mozilla's new support policy has significant implications for enterprise users of Firefox with Oracle E-Business Suite.  We are reviewing the implications for our certification and support policies for Firefox now.  It would be very helpful if you could let me know about your organisation's plans for Firefox in light of this new information.  Please feel free to drop me a private email, or post a comment here if that's appropriate. 

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  • Which stages of the requirements analysis process in mobile requirements engineering are the most challenging ones?

    - by user363295
    I'm doing a research on formulating a requirements analysis model as a stage of requirements engineering for mobile-application development by considering the limitations and the needs of it ( agility and etc.. .), what I'm trying to figure out is that which parts of this process (requirements analysis for mobile development) are the most challenging ones ( so i can focus more on) , and if there is any stage that u think I need to include or exclude (exp. some may think a quality plan may or may not be necessary and etc.) to make it more clear below is the list of few of the areas in which I can focus on ( by the way your suggestions can be anything out of the below list.) -Requirements specification -Prototyping -Requirements Prioritization -Focusing on quality functions

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  • Crappy school, what to do? [closed]

    - by zhenka
    I started programming fairly late. I am 24 years old and about to graduate from a local public university with a really poorly designed curriculum and teachers. Most of the work felt like busy work, and no matter how much I try, it all feels like a waste. I know what a good curriculum looks like. I know what books I should read, but alas it's not so in my university. There is no way at this point that I can catch up to those graduating from places like MIT. My question and this is a serious one: what do I do? Do I just postpone learning the theory I would have learned until later and focus on software engineering skills? How important is the theory in terms of landing a job in New York? Any particular things I should focus on to land a software engineer job? I am very motivated and I just wish someone would give me the time and a chance.

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  • Oracle Solaris Events at Oracle OpenWorld 2012

    - by Larry Wake
    When Oracle OpenWorld kicks off at the end of this month, it will mark the third year that we've participated as an integrated part of Oracle. (In 2009 we were there in "coming soon!" mode, which was an interesting experience in itself.) As in the last few years, we've got lots of sessions related to Oracle Solaris, which you can see on the Focus On Oracle Solaris page: hands-on labs, sessions on multiple topics, two Oracle Solaris general sessions, and demos. We'll also have an Oracle Solaris and System Partner Pavilion, where you can see what other companies are doing to leverage the new features in Oracle Solaris 11. We'll describe some of the specific topics in future posts here, but if you want to make plans on what to see right now, take a look at the "Focus On" document, or see Glynn's blog post, where he describes his top picks.

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  • Is OOP hard because it is not natural?

    - by zvrba
    One can often hear that OOP naturally corresponds to the way people think about the world. But I would strongly disagree with this statement: We (or at least I) conceptualize the world in terms of relationships between things we encounter, but the focus of OOP is designing individual classes and their hierarchies. Note that, in everyday life, relationships and actions exist mostly between objects that would have been instances of unrelated classes in OOP. Examples of such relationships are: "my screen is on top of the table"; "I (a human being) am sitting on a chair"; "a car is on the road"; "I am typing on the keyboard"; "the coffee machine boils water", "the text is shown in the terminal window." We think in terms of bivalent (sometimes trivalent, as, for example in, "I gave you flowers") verbs where the verb is the action (relation) that operates on two objects to produce some result/action. The focus is on action, and the two (or three) [grammatical] objects have equal importance. Contrast that with OOP where you first have to find one object (noun) and tell it to perform some action on another object. The way of thinking is shifted from actions/verbs operating on nouns to nouns operating on nouns -- it is as if everything is being said in passive or reflexive voice, e.g., "the text is being shown by the terminal window". Or maybe "the text draws itself on the terminal window". Not only is the focus shifted to nouns, but one of the nouns (let's call it grammatical subject) is given higher "importance" than the other (grammatical object). Thus one must decide whether one will say terminalWindow.show(someText) or someText.show(terminalWindow). But why burden people with such trivial decisions with no operational consequences when one really means show(terminalWindow, someText)? [Consequences are operationally insignificant -- in both cases the text is shown on the terminal window -- but can be very serious in the design of class hierarchies and a "wrong" choice can lead to convoluted and hard to maintain code.] I would therefore argue that the mainstream way of doing OOP (class-based, single-dispatch) is hard because it IS UNNATURAL and does not correspond to how humans think about the world. Generic methods from CLOS are closer to my way of thinking, but, alas, this is not widespread approach. Given these problems, how/why did it happen that the currently mainstream way of doing OOP became so popular? And what, if anything, can be done to dethrone it?

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  • Which torrent client has command line arguments to start/stop downloads?

    - by virpara
    first of all, I want to create shell script to start/stop downloads in torrent client. I don't need CLI but if you know how I can do that with CLI using shell script then it is okay. I use jDownloader which is GUI based application but has some command line arguments as below which I use to start/stop download. -h/--help Show this help message -a/--add-link(s) Add links -co/--add-container(s) Add containers -d/--start-download Start download -D/--stop-download Stop download -H/--hide Don't open Linkgrabber when adding Links -m/--minimize Minimize download window -f/--focus Get jD to foreground/focus -s/--show Show JAC prepared captchas -t/--train Train a JAC method -r/--reconnect Perform a Reconnect -C/--captcha <filepath or url> <method> Get code from image using JAntiCaptcha -p/--add-password(s) Add passwords -n --new-instance Force new instance if another jD is running So I can easily start/stop download as follows, jdownloader --start-download jdownloader --stop-download now I want torrent client to do that through shell script.

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  • Rendering only a part of the screen in high detail

    - by Bart van Heukelom
    If graphics are rendered for a large viewing angle (e.g. a very large TV or a VR headset), the viewer can't actually focus on the entire image, just a part of it. (Actually, this is the case for regular sized screens as well.) Combined with a way to track the viewer's eyes, you could theoretically exploit this and render the graphics away from the viewer's focus with progressively less details and resolution, gaining performance, without losing perceived quality. Are there any techniques for this available or under development today?

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  • what else except web development is a good choice for freelancing? [closed]

    - by Sali
    I'm looking for a technology that when I learn I can build useful things that brings money by selling what I have built. I tried web development but Ifound that there are many things that I have to learn: html, css, javascript,ajax,jquery ,etc. I need to focus on one thing and learning it from scratch and continue learning if there is any update in that technology rather than learning new things in css and javascript and the server side language. I want to focus! However, I'm not sure what is going on in the future of technology and I need to learn something for freelancing. could you tell what is the thing thatis popular and will bring me money as good as web development?

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  • How can I always show the close, minimise and maximise buttons on their windows and keep global menus?

    - by sup
    First, this is not a duplicate of How can I always show the close, minimise & maximise buttons into their own windows? - I would like to preserve global menus. Is there a way to only always show the close, minimise and maximise buttons on every application? The use case is as follows: I have a maximized application in the background, over it is a not-maximized application that has got focus. I want to close the maximized application. I move the pointer to upper left corner. The buttons do not show, since the background application does not have focus. I have to go back, click on it and then go back to the corner to close it. I do that several times a day :-( .

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  • Chemical alternatives to caffeine / coffee for mental clarity and alertness? [on hold]

    - by einsteinx2
    Currently I drink about 2 cups of coffee or tea a day (one in the morning and one in the afternoon usually). However I'm very sensitive to stimulants and drinking caffeine regularly keeps my resting heart rate really high, causes occasional heart palpitations, and sometimes trouble sleeping. I've tried going without coffee, and while I can do it, I have trouble concentrating at work and even just enjoying my work. I'm borderline ADD (or possibly full on ADD, but haven't been checked). And I tend to lose focus easily if I don't have some coffee or tea in me. For health reasons, I'd like to cut it out completely, but when I do my work performance seriously suffers. I already work out (cardio and/or weight lifting) 5 - 6 days a week, and get an average of about 8 hours of sleep, but I still can't focus throughout the day without caffeine. Are there any over the counter chemical or supplement alternatives for mental clarity that you've used with success don't cause the additional unwanted physical side effects that come with regular stimulants like caffeine?

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  • input field placeholder in jQuery

    - by Hristo
    I'm trying to create a Login page, not worrying about actually logging in yet, but I'm trying to achieve the effect where there is some faded text inside the input field and when you click on it, the text disappears or if you click away the text reappears. I have this working for my "Username" input field, but the "Password" field is giving me problems because I can't just do $("#password").attr("type","password"). Here's my code: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <!-- Links --> <link rel="stylesheet" type="text/css" href="style.css" /> <!-- Scripts --> <script type="text/javascript" src="jQuery.js"></script> <script> // document script $(document).ready(function(){ // login box event handler $('#login').click(function(){ $('.loginBox').animate({ height: '150px' }, '1000' ); $('#username').show(); // add pw placeholder field $('#password').after('<input type="text" id="placeHolder" value="Password" class="placeHolder" />'); $('#password').hide(); }); // username field focus and blur event handlers $('#username').focus(function() { if($(this).hasClass('placeHolder')){ $(this).val(''); $(this).removeClass('placeHolder'); } }); $('#username').blur(function() { if($(this).val() == '') { $(this).val('Username'); $(this).addClass('placeHolder'); } }); // password field focus and blur event handlers $('#placeHolder').focus(function() { $('#placeHolder').hide(); $('#password').show(); $('#password').focus(); }); $('#password').blur(function() { if($('#password').val() == '') { $('#placeHolder').show(); $('#password').hide(); } }); }); </script> </head> <body> <div id="loginBox" class="loginBox"> <a id="login">Proceed to Login</a><br /> <div id="loginForm"> <form> <input type="text" id="username" class="placeHolder" value="Username" /> <input type="password" id="password" class="placeHolder" value="" /> </form> </div> </div> </body> </html> Right now, I can click on the password input box and type in it, but the text is not disappearing and the "type" doesn't get set to "password"... the new input field I create isn't being hidden, it just stays visible, and I'm not sure where the problem is. Any ideas? Thanks, Hristo

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  • Changing Workspaces changes active window

    - by puk
    I have a dual monitor setup, but I am sure it's the same with a single monitor. If I have two applications open, one is vim, the other is google chrome. Lets say the focus is on vim. If I switch to another workspace (ie. alt3) then switch back to that workspace (ie. alt1) now the focus is on google chrome. This process toggles indefinitely so long as I don't transition too quickly. Is there any way to prevent/disable this?

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  • How to revert to 10.04

    - by Keith Mastin
    Since "upgrading" to 12.10, the multitude of problems and slowness has wondering me , if I'm running windows, so I want to take it back to 10.04. Just some of the problems that we never had in 10.4: Can't play YouTube and chat at same time; Can't open more than 5 photos in GIMP without constant grayouts; Can't easily close apps or programs on desktop; Can't Use Avidimux and Audacity at same time, CPU load stays at 100%; New Gnome is not nearly as intuitive as classic, focus is all over the place, have to constantly switch to have the focus on right window of same program (either browser), etc. Do I need to wipe my system partition and start over, or is there an easier way to downgrade?

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  • how to get sapi to say 1 word from a list of words

    - by mvaughn
    I am writing a program for a spelling test in vb 2010. I have 20 input textboxes for the user to spell the words as sapi says them. My question is ! How do I get sapi to say a word from a multiline textbox then pause and give the focus to the 1st textbox so the user can type it and give them 30 sec then sapi will say the next word then give focus to the 2nd textbox so user can type and give them 30 secs to type the word. Then sapi will say 3rd word the user will get 30 secs to type the word all the way to 20 words then the test will be done. I have 1 multiline textbox that holds 20 words

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  • Testability &amp; Entity Framework 4.0

    This white paper describes and demonstrates how to write testable code with the ADO.NET Entity Framework 4.0 and Visual Studio 2010. This paper does not try to focus on a specific testing methodology, like test-driven design (TDD) or behavior-driven design (BDD). Instead this paper will focus on how to write code that uses the ADO.NET Entity Framework yet remains easy to isolate and test in an automated fashion. Well look at common design patterns that facilitate testing in data access scenarios...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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  • Is it smart to take a year off from school to get experience?

    - by user134147
    firstly I apologize if this question is not appropriate for the site, but I've seen other similar (though slightly deviant) questions on this sight before and I know the people here are the most qualified to answer my question. Anyways, I'm currently between my sophomore and junior years at a 4 year university, and after a bit of deliberation I've decided on computer science as a major (BA, by the way, as a BS would require me to stay at least an extra year the way our program is set up). I've been interested now in programming for a few months and I've developed a passion for it in a very short time. I began learning C++, migrating to Java recently when I learned my school focuses on this language. Now, I should mention that the concept of higher education has never sat well with me, so part of my motivation for wanting to take time off is to truly challenge myself and see what I can accomplish when I actually try at something. The autodidact in me finds it difficult to focus on my passions while trying to keep a high GPA in unrelated classes. However, I understand the times we live in and therefore would plan to complete my degree after this year. So my question is whether or not the skills I learn in a year off from college could justify the time off from school. Unfortunately, I don't believe I know enough yet to gain any professional experience (internship, etc.) so I would mostly focus my time on learning Java and another language, possibly Wordpress (to gain an understanding of web programming concepts as I have not yet decided what field I want to get into, and to make some money to fund my off-year), and to delve into security concepts, which also interest me. I'm hoping I could work on projects, such as simple applications or contributions to open source software during this time to enhance my resume once I do finish school, so I can find a job out of college easier. I do not want to be the new hire who knows nothing beyond the concepts of his Java textbooks. Does anyone have any input about these thoughts of mine, or any ideas for where I should focus my studies or how high I might set the bar for my work? Thanks a lot everyone!

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  • expanding/collapsing div using jQuery

    - by Hristo
    I'm trying to expand and collapse a <div> by clicking some text inside the <div>. The behavior right now is very odd. For example, if I click the text after the <div> is expanded... the <div> will collapse and then expand again. Also, if I click somewhere inside the div after it is expanded, it will collapse again, and I think that is because I'm triggering the animation since the <div> being animated is inside the wrapper <div>. Here's the code: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <!-- Links --> <link rel="stylesheet" type="text/css" href="style.css" /> <!-- Scripts --> <script type="text/javascript" src="jQuery.js"></script> <script> // document script $(function(){ // login box event handler $('#login').click(function() { $('#loginBox').toggle( function() { $('.loginBox').animate({ height: '150px' }, '1000' ); $('#username').show(); $('#password').hide(); $('#placeHolder').show(); }, function() { $('.loginBox').animate({ height: '50px' }, '1000' ); $('#username').hide(); $('#password').hide(); $('#placeHolder').hide(); } ); }); // username field focus and blur event handlers $('#username').focus(function() { if($(this).hasClass('placeHolder')){ $(this).val(''); $(this).removeClass('placeHolder'); } }); $('#username').blur(function() { if($(this).val() == '') { $(this).val('Username'); $(this).addClass('placeHolder'); } }); // password field focus and blur event handlers $('#placeHolder').focus(function() { $(this).hide(); $('#password').show(); $('#password').focus(); $('#password').removeClass('placeHolder'); }); $('#password').blur(function() { if($(this).val() == '') { $('#placeHolder').show(); $(this).hide(); } }); }); </script> </head> <body> <div id="loginBox" class="loginBox"> <a id="login" class="login">Proceed to Login</a><br /> <div> <form> <input type="text" id="username" class="placeHolder" value="Username" /> <input type="password" id="password" class="placeHolder" value="" /> <input type="text" id="placeHolder" class="placeHolder" value="Password" /> </form> </div> </div> </body> </html> Any ideas? Thanks, Hristo

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