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  • Licensing generator/validator program [closed]

    - by AtoMerZ
    I need to write a program that generates/validates license for users of my application. The application has a number of features each of which can be purchased by the user. Also each feature can be enabled in trial mode. Meaning only for a specified duration of time. Before I actually try to write the code myself, I'm wondering if there are any free/commercial programs similar to what I'm looking for.

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  • Effective Link Building Service

    Online marketing is a widely used mode for earning money. There are so many individuals in the world who carry out their daily business transactions with the simple click of a mouse. Thanks to the Internet, all these things are possible. Have you ever thought why some websites are more popular than the others?

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  • Kernel panic - not syncing: no init found. Try passing init=option to kernel

    - by deepak
    I formatted all the partitions in my computer to a single ext4 partition and did a fresh installation of Ubuntu 13.04. I'm getting: Failed to execute /init Kernel panic - not syncing: no init found. Try passing init=option to kernel. Even on clean reinstall the issue persist. Booting from recovery mode leads to same error, so not able to reach the terminal. But able to boot from Live CD. Any help much appreciated.

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  • DevCamp Azure : l'évènement de Microsoft disponible en replay pour ceux qui ont loupé le live du 1er juillet

    DevCamp Azure : l'évènement de Microsoft disponible en replay Pour ceux qui ont loupé le live du 1er juilletVous avez loupé l'évènement 100 % en ligne autour de Windows Azure organisé par Microsot ce lundi ?Bonne nouvelle : un replay de ce « DevCamp » sur la plateforme Cloud pour les développeurs est disponible depuis aujourd'hui. Vous retrouverez les 8 sessions de 30 minutes sur des thèmes aussi variés que la BI en mode Cloud (avec SharePoint), la gestion d'identité dans Azure et Office365, l'administration d'une infrastructure Cloud hybride, le Big Data ou les Backend pour les applis multi...

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  • Ask temperature on ubuntu 11.10 too hot

    - by stacheldraht
    I wonder why when I am using Ubuntu, my laptop temperature increases. It's around 62 degrees or less. I am already using Jupiter and have set it to power saving mode but if I use maximum performance the temperature can reach 70 degrees or more. Its too hot if I compare it when I am running windows where the temperature is quite normal at 56 degrees. How can I solve that?, sorry for my bad English.

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  • Wireless mouse temporarily freezes (sleeps) on battery power

    - by R Pennese
    I have been getting a very annoying problem since recently in Ubuntu 12.04, probably due to another update that did more bad than good... When I resume from sleep on battery power my Lenovo Thinkpad T420, my wireless laser mouse (Logitech M705) freezes everytime I leave it for 2 seconds. It then starts moving again when I shake it for 5 seconds. The touchpad works normally. I'm guessing the mouse enters some sleep mode and I'd like to know where to change this "timeout" value.

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  • view switcher in window

    - by RhZ
    I used to have button in my file viewer window that allowed me to easily change from list to compact to icons, which was really convenient. Now, in 12.04 (running gnome fallback mode to mostly keep my original layout) I don't have that anymore, I have to go to 'view' and then at the bottom of the menu choose the way I want to display the files. Any way to get this switcher back? In its place I just have a search function and buttons that I don't need and never use.

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  • Stop Windows boot

    - by Parley Applegate
    Installed Ubuntu over a Windows8 trial. After installation, Windows8 still tries to boot. Wiped disk clean with Acronis and reinstall Ubuntu. Windows8 still tries to start, but goes to blank screen. Ubuntu never tries to boot. Naturally live mode works fine. What do you think of wiping disk again, install Windows7 and try using GRUB approach or do you know how to remove Windows from the cleaned disk?

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  • Is it possible (and practical) to search a string for arbitrary-length repeating patterns?

    - by blz
    I've recently developed a huge interest in cryptography, and I'm exploring some of the weaknesses of ECB-mode block ciphers. A common attack scenario involves encrypted cookies, whose fields can be represented as (relatively) short hex strings. Up until now, I've relied on my eyes to pick out repeating blocks, but this is rather tedious. I'm wondering what kind of algorithms (if any) could help me automate my search for repeating patterns within a string. Can anybody point me in the right direction?

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  • 'mount: error while loading shared libraries: libudev.so.0 : no such file or directory' error while booting

    - by user199551
    I was trying to load a version of CGminer which was returning a libudev type error, and followed a supposed solution here but it destroyed my system (so it seems). I loaded the system in recovery mode from GRUB but all that done was actually tell me what I something is broken, do not know what to do next. I think I somehow associated a libudev.so.0 to 1 or 1 to 0, I am not sure what I did and how to fix it.

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  • Windows Azure : un DevCamp 100 % en ligne le 1er juillet de 15h à 19h, des goodies à gagner et toujours 3 mois d'essai gratuits à Azure

    Windows Azure : un DevCamp 100 % en ligne le 1er juillet De 15h à 19h, des goodies à gagner et toujours 3 mois d'essai gratuit à AzureMicrosoft organise un événement 100 % en ligne autour de Windows Azure le 1er juillet prochain.Ce « DevCamp » sur la plateforme Cloud pour les développeurs se déroulera de 15h à 19h (mais il sera bien sûr possible de la rejoindre à tout moment).Au total, ce sont 8 sessions de 30 minutes chacune qui aborderont des thèmes aussi variés que la BI en mode Cloud (avec SharePoint), la gestion d'identité dans Azure et Office365, l'administration d'une infrastructure Cloud hybride, le Big Data ou les Backend pour les applis multidevice.Une autre session se pencher...

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  • Dassault Systèmes recrute des Ingénieurs Développement Web 2.0 pour sa R&D en charge des univers virtuels

    Dassault Systèmes recrute des Ingénieurs Développement Web 2.0 Pour sa R&D en charge des univers virtuels Dassault Systèmes vient de nous contacter dans le cadre d'un de ses recrutements. L'éditeur français - leader sur le marché des univers virtuels (pour la conception, la fabrication et la maintenance de produits) - recherche en effet des passionnés de nouvelles technologies Web 2.0, pour travailler sur de nouvelles applications en mode projet et en collaboration avec ses équipes basées dans le monde entier. « Vous interviendrez au coeur de l'innovation sociale sur des missions variées comme le développement de User Interfaces modernes ou de plate-formes collabora...

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  • an error in .profile ubuntu file prevents the system from booting?

    - by nafaa
    I tryied to set the JAVA_HOME environmet variable in the ~/.profile file and I made a mistake JAVA_HOME="/usr/lib/jvm/jdk1.6.0_37" PATH=$JAVA_HOME:PATH the error is in the PATH referencing. I put PATH rather than $PATH. this prevents me from login. I tried to edit the file using the recovery mode but it says that the file system is read only. so any suggestions how to deal with this issue. thanks

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  • Basics of SEO and Its Natural Results!

    Gone are the days when advertisers used to resort to offline advertising mode. Out door advertising such as hoardings, ads in bus, newspaper ads, TV ads etc were being targeted at. Online marketing makes use of innovative strategies to reach out to a mass audience.

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  • Web application development platform recommendation

    - by TK.Maxi
    Hi all I did a year's worth of Pascal, Visual Basic and C++ 15 years ago, so suffice it to say that I'm a complete n00b & lamer when it comes to this. I really do hope that this question doesn't canned, but if it does, please be so kind as to point me in the direction of where it should be posted. I have an idea, like so many others, for a web app. I don't necessarily have the capital to outsource the development of the app right now, and I probably wouldn't want to, since non-disclosure agreements can be expensive to enforce, especially in this day and age of intercontinental outsourcing. I need the app to be usable on any mobile device (eventually), primarily on the major mobile platforms at first, on the web, (pc/mac/*ix) obviously, on mobile web browsers like opera mobile, etc. I envisage the app interacting with the major social networks like fb, orkut, msn im, twitter, et al in a way where friend's are messaged and/or wall posted, a message is posted to the users wall. Geo-location functionality is a plus, considering the service/app can be location sensitive in two ways, 1, the immediate location of the user, 2. the desired location of the user. I'd like to incorporate OpenID sign on, and the flip-side, the service will require that people (service providers) list their specialities/specialisations/interests/areas of expertise, so that matches to user requests can be made by the service, while users' requests are posted into the web universe. I've probably described a glut of apps out there, but I'd appreciate feedback on the sort of platform that I should look at using, be it hosted on something like Google's app engine, or written in android friendly code, or whatever. I'm a firm believer in herd mentality, especially at the start of a project that I have very little experience in. The more opinions, the merrier! I can't get very much more specific, since that would give the idea away. Thanks for your time and I look forward to hearing from wise and experienced and the fresh and innovative alike. Thanks

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  • Pseudocode: a clear definition?

    - by Cian E
    The following code is an example of what I think would qualify as pseudocode, since it does not execute in any language but the logic is correct. string checkRubric(gpa, major) bool brake = false num lastRange num rangeCounter string assignment = "unassigned" array bus['business']= array('person a'=>array(0, 2.9), 'person b'=>array(3, 4)) array cis['computer science']= array('person c'=>array(0, 2.9), 'person d'=>array(3, 4)) array lib['english']= array('person e'=>array(0, 4)) array rubric = array(bus, cis, lib) foreach (rubric as fieldAr) foreach (fieldAr as field => advisorAr) if (major == field) foreach (advisorAr as advisor => gpaRangeAr) rangeCounter = 0 foreach (gpaRangeAr as gpaValue) if (rangeCounter < 1) lastRange = gpaValue else if (gpa >= lastRange && gpa <= gpaValue) assignment = advisor brake = true break endif rangeCounter++ endforeach if (brake == true) break endif endforeach if (brake == true) break endif endif endforeach if (brake == true) break endif endforeach return assignment For the past couple of weeks I've been trying to create a clear definition of what pseudocode actually is. Is it relative to the programmer or is there an actual clearcut syntax? I say pseudocode is any code that does not execute, how about you? Thanks (links to this subject welcome)

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  • People not respecting good practices at workplace

    - by VexXtreme
    Hi There are some major issues in my company regarding practices, procedures and methodologies. First of all, we're a small firm and there are only 3-4 developers, one of which is our boss who isn't really a programmer, he just chimes in now and then and tries to do code some simple things. The biggest problems are: Major cowboy coding and lack of methodologies. I've tried explaining to everyone the benefits of TDD and unit testing, but I only got weird looks as if I'm talking nonsense. Even the boss gave me the reaction along the lines of "why do we need that? it's just unnecessary overhead and a waste of time". Nobody uses design patterns. I have to tell people not to write business logic in code behind, I have to remind them not to hardcode concrete implementations and dependencies into classes and cetera. I often feel like a nazi because of this and people think I'm enforcing unnecessary policies and use of design patterns. The biggest problem of all is that people don't even respect common sense security policies. I've noticed that college students who work on tech support use our continuous integration and source control server as a dump to store their music, videos, series they download from torrents and so on. You can imagine the horror when I realized that most of the partition reserved for source control backups was used by entire seasons of TV series and movies. Our development server isn't even connected to an UPS and surge protection. It's just plugged straight into the wall outlet. I asked the boss to buy surge protection, but he said it's unnecessary. All in all, I like working here because the atmosphere is very relaxed, money is good and we're all like a family (so don't advise me to quit), but I simply don't know how to explain to people that they need to stick to some standards and good practices in IT industry and that they can't behave so irresponsibly. Thanks for the advice

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  • Experience migrating legacy Cobol/PL1 to Java

    - by MadMurf
    ORIGINAL Q: I'm wondering if anyone has had experience of migrating a large Cobol/PL1 codebase to Java? How automated was the process and how maintainable was the output? How did the move from transactional to OO work out? Any lessons learned along the way or resources/white papers that may be of benefit would be appreciated. EDIT 7/7: Certainly the NACA approach is interesting, the ability to continue making your BAU changes to the COBOL code right up to the point of releasing the JAVA version has merit for any organization. The argument for procedural Java in the same layout as the COBOL to give the coders a sense of comfort while familiarizing with the Java language is a valid argument for a large organisation with a large code base. As @Didier points out the $3mil annual saving gives scope for generous padding on any BAU changes going forward to refactor the code on an ongoing basis. As he puts it if you care about your people you find a way to keep them happy while gradually challenging them. The problem as I see it with the suggestion from @duffymo to Best to try and really understand the problem at its roots and re-express it as an object-oriented system is that if you have any BAU changes ongoing then during the LONG project lifetime of coding your new OO system you end up coding & testing changes on the double. That is a major benefit of the NACA approach. I've had some experience of migrating Client-Server applications to a web implementation and this was one of the major issues we encountered, constantly shifting requirements due to BAU changes. It made PM & scheduling a real challenge. Thanks to @hhafez who's experience is nicely put as "similar but slightly different" and has had a reasonably satisfactory experience of an automatic code migration from Ada to Java. Thanks @Didier for contributing, I'm still studying your approach and if I have any Q's I'll drop you a line.

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  • Eclipse PDE - Plug-in, Feature, and Product Versioning

    - by Michael
    I am having much confusion over the process of upgrading version numbers in dependent plug-ins, features, and products in a fairly large eclipse workspace. I have made API changes to java code residing in an existing plug-in and thus requires an increase of the Major part of the version identifier. This plug-in serves as a dependency to a given feature, where the feature is later included in a product. From the documentation at http://wiki.eclipse.org/Version_Numbering, I understand (for the most part) when the proper number should be increased on the containing plug-in itself. However, how would this Major version number change on the plug-in affect dependent, "down-the-line" items (e.g., features, products)? For example, assume we have the typical "Hello World" setup as follows: Plug-in: com.example.helloworld, version 1.0.0 Feature: com.example.helloworld.feature, version 1.0.0 Product: com.example.helloworld.product, version 1.0.0 If I were to make an API change in the plug-in, this would require a version update to be that of 2.0.0. What would then be the version of the feature, 1.1.0? The same question can be applied for the product level as well (e.g., if the feature is 1.1.0 OR 2.0.0, what is the product version number)? I'm sure this is quite the newbie question so I apologize for wasting anyone's time and effort. I have searched for this type of content but all I am finding is are examples showing how to develop a plug-in, feature, product, and update site for the first time. The only other content related to my search has been developing feature patches and have not touched on the versioning aspect as much as I would prefer. I am having difficulty coming into (for the first time) an Eclipse RCP / PDE environment and need to learn the proper way and / or best practices for making such versioning updates and how to best reflect this throughout other dependent projects in the workspace.

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  • How do you dynamically allocate a contiguous 3D array in C?

    - by Derek
    In C, I want to loop through an array in this order for(int z = 0; z < NZ; z++) for(int x = 0; x < NX; x++) for(int y = 0; y < NY; y++) 3Darray[x][y][z] = 100; How do I create this array in such a way that 3Darray[0][1][0] comes right before 3Darray[0][2][0] in memory? I can get an initialization to work that gives me "z-major" ordering, but I really want a y-major ordering for this 3d array This is the code I have been trying to use: char *space; char ***Arr3D; int y, z; ptrdiff_t diff; space = malloc(X_DIM * Y_DIM * Z_DIM * sizeof(char)) Arr3D = malloc(Z_DIM * sizeof(char **)); for (z = 0; z < Z_DIM; z++) { Arr3D[z] = malloc(Y_DIM * sizeof(char *)); for (y = 0; y < Y_DIM; y++) { Arr3D[z][y] = space + (z*(X_DIM * Y_DIM) + y*X_DIM); } }

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  • What are the attack vectors for passwords sent over http?

    - by KevinM
    I am trying to convince a customer to pay for SSL for a web site that requires login. I want to make sure I correctly understand the major scenarios in which someone can see the passwords that are being sent. My understanding is that at any of the hops along the way can use a packet analyzer to view what is being sent. This seems to require that any hacker (or their malware/botnet) be on the same subnet as any of the hops the packet takes to arrive at its destination. Is that right? Assuming some flavor of this subnet requirement holds true, do I need to worry about all the hops or just the first one? The first one I can obviously worry about if they're on a public Wifi network since anyone could be listening in. Should I be worried about what's going on in subnets that packets will travel across outside this? I don't know a ton about network traffic, but I would assume it's flowing through data centers of major carriers and there's not a lot of juicy attack vectors there, but please correct me if I am wrong. Are there other vectors to be worried about outside of someone listening with a packet analyzer? I am a networking and security noob, so please feel free to set me straight if I am using the wrong terminology in any of this.

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  • Regexp that matches user-agents of end-user browsers but NOT crawlers with >90 % accuracy

    - by knorv
    I'm trying to construct a regexp that will evaluate to true for User-Agent:s of "browsers navigated by humans", but false for bots. Needless to say the matching will not be exact, but if it gets things right in say 90 % of cases that is more than good enough. My approach so far is to target the User-Agent string of the the five major desktop browsers (MSIE, Firefox, Chrome, Safari, Opera). Specifically I want the regexp NOT to match if the user-agent is a bot (Googlebot, msnbot, etc.). Currently I'm using the following regexp which appears to achieve the desired precision: ^(Mozilla.*(Gecko|KHTML|MSIE|Presto|Trident)|Opera).*$ I've observed small number of false negatives which are mostly mobile browsers. The exceptions all match: (BlackBerry|HTC|LG|MOT|Nokia|NOKIAN|PLAYSTATION|PSP|SAMSUNG|SonyEricsson) My question is: Given the desired accuracy level, how would you improve the regexp? Can you think of any major false positives or false negatives to the given regexp? Please note that the question is specifically about regexp-based User-Agent matching. There are a bunch of other approaches to solving this problem, but those are out of the scope of this question.

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