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  • interfacing: simplified

    - by code wombat
    i've been doing some research on interfaces and a simple layman's explanation for what it truly is. For some reason people love using overly complex explanations and jargon to explain truly simple concepts (guess it makes them feel big) and i have a gut feeling it's the same in this case. so from what i could grasp, it seems like interfaces are nothing more than a way to reserve method names, their return type if any, and the type and amount of arguments they accept. so when a class implements an interface (or interfaces) it is forced to define the body of each method from the interface(s). Am i on the nose with this one or do i need to keep digging? p.s. i know javascript doesn't have support for interfaces, but i still need to understand the concept because there are quite a few places where it's shown how to emulate to an extent.

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  • Commercial CMS on Google App Engine, violation of terms?

    - by Yaggo
    I'm developing commercial CMS running on Google App Engine. I'm thinking of selling it in two ways: 1) Software as a service (SaS). The CMS running in my App Engine account (as single app), hosting the sites of all customers. A turn-key solution for "end user" customers. 2) Licence for running the CMS in customer's own App Engine account. Targeted for digital agencies for reselling as SaS. Being not a lawyer myself, I don't trust my abilities to read between the lines of TOS jargon. Counting on the general knowledge of SO community, my question is: do the above scenarios violate the App Engine Terms of Service?

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  • Trying to get excel 2003 into already made windows form

    - by Dcurvez
    good afternoon everyone :) I got sucha dilemma! (hate being new at stuff!) What my problem is is that I have a project that is in full design mode swing right now. I built it using the Windows form.. Anyways, on one of my forms..that I already started building (very painstakingly).. Minds have changed and now what needs to be on that form is either a full excel 2003 workbook..or at the very least..excel worksheet. The problem is that I have not been using studio 2008 for long..and coding experience shows the same. Can someone please tell me how the heck I can put a worksheet or a workbook on that form without starting my whole project over using office forms? Please..go slow with this newbie cuz i really dont know anything and Jargon is confusing me even more :( thanxxXXX :)

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  • How to step into the world of J2EE?

    - by Michael Lai
    I am new to J2ee. I have experience in Java core, JSP,Servlet, XML, HTML, What should i learn to step into the world of J2EE? Framework(Spring, Hibernate, Struts)? But the framework is too abstract for me.I saw lots of job post which requires frameworks, some jobs require EJB,JPA. I do not where to start. Any experts can give me hints on that? I found the tutorial of J2EE 5 published by ORACLE is not easy to understand. Too much jargon....

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  • Setup staging with multiple SVN

    - by Kapil Sharma
    We are a startup, setting new environments for product to be released soon. Planned server structure with planned release flow is as shown in below image It ideally have a local server (or Staging server, shown in green) in local office, without public IP address and Production Server (Red) at Amazon EC2. Both local and production server have there own SVN copy. Management here want to update production server with production SVN and without providing its access to developers (including freelancers/contract employees). So for developers, there is a Local SVN on local server. Another purpose of local SVN to keep a copy of code on local server, which is under our direct control. Although there are some technical concerns like how will code at local server will be updated from local SVN and commit on production SVN but bigger question is, is that structure correct? Major requirement remain don't provide production SVN access to developers. What are other possible options to achieve that? Another minor question, if suitable here, if above structure is correct, is it possible for a SVN checkout to get updated from one SVN (Local SVN) but commit to other (Production SVN)? If yes, How? edit An answer has been accepted but for bounty, I'm still looking for answer Is that structure correct? Its pros/Cons? Technical solution is already provided by accepted answer.

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  • windows xp blue screen dumping physical memory

    - by dotnet-practitioner
    I get following blue screen after running my laptop for an hour... A problem has been detected and windows has been shut down to prevent damange to your computer. If this is the first time you've seen this stop error screen, restart your computer. If this screen appears again, follow these steps: Check to be sure you have adequate disk space. If a driver is identified in the stop message, disable the driver or check with the manufacturer for driver updates. Try changing video adapters. Check with your hardware vendor for any BIOS updates. Disable BIOS memory options such as cashing or shadowing. If you need to use safe mode to remove or disable components, restart your computer, press F8 to select advanced startup options, and the select safe mode. Technical Information: * STOP 0x0000008E (0xc0000005, 0x805B03F5, 0xF703DC7C, 0x00000000) Beginning dump of physical memory Physical memory dump complete. Contact you system administrator or technical support group for further assistance. so.... if this is a faulty memory.... from where I could buy RAM for following laptop.... TOSHIBA SATELLITE A45-S250 My local Frys store does not carry memory for this laptop.

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  • Are there any tests I can run on a network to simulate 100 heavy network users?

    - by marc.gayle
    I will be hosting a Ruby on Rails workshop at a small hotel in the near future, and while they have 'Wifi' everywhere on the property, and the property normally hosts 150 - 300 people, I am not 100% confident that they have hosted 150 tech people that tend to have heavy web surfing habits/needs. Their tech department is also 1 or 2 guys. Are there any automated tests I can download and run from my laptop, on the network, that would simulate 100 'heavy users' on the network at the same time? Their broadband pipe is a 15mbps cable connection. Would that suffice for the general surfing needs of 100 - 150 techies? I know all it takes is 1 or 2 bit torrenters to kill the entire network, but assuming we can at the very least block those ports or encourage the attendees not to file share on the network, would that speed suffice for general surfing needs? What are good resources online that would allow me to quickly get up to speed on the IT related issues, so that I can ask their sysadmins the right questions? Edit: Note that I am fairly technical, so assume I can get up to speed quickly even with technical manuals, etc.

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  • Barriers to IPv6 deployment: addressing

    - by sysadmin1138
    There are several things that are keeping IPv6 deployment from being a topic of active discussion here at my work. There are the usual technical issues, but one non-technical one appears to be a major stumbling block on the path to actually getting a deployment project going. Addresses, memorizing of. Specifically, IPv4 addresses are comprehensible, and IPv6 addresses just look like a big long string of hex. The human mind has real trouble memorizing lists of more than 7-8 items, and an IPv4 address (192.168.231.148) has four items in it which makes it easy for us to memorize. A fully populated IPv6 address has not only 8 sections, but each section has 4 hex digits in it. IPv6 addresses were not designed for memorization. To the technician who knows that the DNS server is at 192.168.42.42 (or more likely "42.42", since the company prefix is likely memorized), the idea of memorizing an IPv6 address fills them with dread. Which in turn makes them much less enthusiastic about participating in an IPv6 deployment project. Because of how our network works we're not fully dynamic in terms of v4 addressing. We have several to many subnets that are entirely statically assigned for a variety of reasons, chief among them being that the overhead of static DHCP assignments is perceived as being too great. Also, some devices still aren't smart enough to pull DNS addresses out of DHCP while also having a static assignment, and therefore require manually configured DNS settings. Therefore, some v6 address memorization will have to be done. We're not under any mandate to get v6 out the door, so we don't have pressure from the top. However, it is time to start prepping our infrastructure to handle IPv6 even if we don't convert wholesale. For those of you who have been in IPv6-land for a while, what short-cut methods do you use to discuss or keep track of subnets and specific/critical IP addresses? If I can help reduce some of the dread surrounding IPv6 we might get the project going.

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  • Toshiba Satellite P755D USB 3.0 Drivers Missing - Windows 7 Professional

    - by nicorellius
    I bought a Toshiba Satellite P755D recently and installed Windows 7 Professional on the machine. It runs great. But I noticed the exclamation point in the yellow triangle icon in the Device Manager next to the Universal Serial Buss (USB) Controller (I'm assuming this is the USB 3.0 controller because mine doesn't recognize devices). Normally, when this kind of thing happens I go to the manufacturer's website and download appropriate drivers and call it a day. But not this time... I browsed to my model and found no driver for the USB 3.0 controller. I tried other HW and Utility drivers, thinking they would be bundled. No luck. I tried looking up the motherboard in my machine. Generic name, no luck. I then called Toshiba technical support and they tried basic troubleshooting, eg, uninstall device, reboot, for auto-installation; no luck. I popped the Windows 7 disk back in and tried to get information that way, no luck. Finally, the technical support guy said he would look into the engineer's system to see if there was a specific driver available and that's where I'm at. The technician told me that these USB 3.0 drivers come within the native driver pack in windows but that doesn't seem to be the case. Any ideas? EDIT - See attached screen shots.

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  • Outbound ports to allow through firewall - core requirements

    - by dunxd
    This question was asked before, but in a rather general way. I'm asking more specifically based on my current requirements. We have a number of remote offices made up of a bunch of PCs and an ASA 5505 which is used as firewall and VPN termination point. In the offices we share the internet connection with one or more other organisations over whom we have very little control, asides from the config on the ASAs. For a bunch of reasons I'd like to lock down these ASA 5505s to only allow outbound traffic to ports used by applications we know we need. I'm putting a standard config to roll out to all the ASAs, and if we need to open up ports for the other orgs we can do it on request. But I want to leave open the most commonly required ports so we can get up and running without waiting on other folks technical staff to get back. I plan to allow the following TCP ports to support email and web access, which I know everyone will need: POP3 (110 and 995) HTTP (80 and 443) IMAP4 (143 and 993) SMTP (25 and and 465) The question really is, what other ports do I need to leave open to allow for "normal" working? I've seen UDP port 53 for DNS as one. Are there any others that would be worth opening up? Just to note - I'll also be setting up monitoring systems to keep an eye on the ports we do allow. Any of the above could be misused of course. We'll also back all this up with signed agreements. But I'm aiming for a technical solutions where I don't have to start out with the full requirements of everyone we share connections with. See also: outbound ports that are always open

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  • Outbound ports to allow through firewall

    - by dunxd
    This question was asked before, but in a rather general way. I'm asking more specifically based on my current requirements. We have a number of remote offices made up of a bunch of PCs and an ASA 5505 which is used as firewall and VPN termination point. In the offices we share the internet connection with one or more other organisations over whom we have very little control, asides from the config on the ASAs. For a bunch of reasons I'd like to lock down these ASA 5505s to only allow outbound traffic to ports used by applications we know we need. I'm putting a standard config to roll out to all the ASAs, and if we need to open up ports for the other orgs we can do it on request. But I want to leave open the most commonly required ports so we can get up and running without waiting on other folks technical staff to get back. I plan to allow the following TCP ports to support commonly required resources: POP3 (110 and 995) HTTP (80 and 443) IMAP4 (143 and 993) SMTP (25 and and 465) The question really is, what other ports do I need to leave open to allow for "normal" working. I've seen UDP port 53 for DNS as one. Are there any others that would be worth opening up? Just to note - I'll also be setting up monitoring systems to keep an eye on the ports we do allow. Any of the above could be misused of course. We'll also back all this up with signed agreements. But I'm aiming for a technical solutions where I don't have to start out with the full requirements of everyone we share connections with. See also: outbound ports that are always open

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  • visually documenting web server configuration and infrastructure

    - by Alex Ciarlillo
    I have just finished a large re-organization and update of our institutions web server(s). This server hosts 3 virtual hosts, 3-4 blogs, 2 wikis, some legacy static HTML pages, and many hosted documents (PDF, .jpg, .xls). I have organized the site into a structure of something like: /var/www/sites/vhost1, vhost2, vhost3 .../wordpress/blogX .../mediawiki/wikiX Data is in a seperate directory structure so I can run a cron task over it to make sure it is all writeable and such. I then symlink to these data directories for each application. /var/www/data/vhost1, vhost2, vhost3 .../wordpress/blogX/uploads .../mediawiki/wikiX/images All Apache configs are in /etc/httpd/conf.d/vhosts.d/vhost1,2,3.conf On top of this there is also a testing server which mirrors this setup. Once changes are fully tested, they are rsynced down to the live server. All the wordpress installs and mediawiki installs are straight form SVN and updates are done by switching branches or "svn up". So my question is how can I best document to share with a) co-workers, b) possible future replacement, c) myself 6 months from now. Obviously I can make a wiki page, excel document, whatever and fill it with text, but I am looking for a more visual representation that I can use to explain the architecture to less-technical people. Ideally it would be awesome if this visual representation could then be expanded to get more technical details.

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  • Do email providers have to tell me which (inter)national agencies/institutes are requesting legal access to my account data?

    - by Juve
    I know this question is not technical, but i did not find the "stackoverflow for legal issues" and I guess all you super users out there might know the answer. Here is my (potential) problem: I have a free email account at a (inter)national email provider. I used the words "wikileaks" and "twitter" lately in my email. Some over-ambitious national security organization legally requests access to all accounts that behaved similarly. Q1: Can I request the who-, when-, and why-information related to this legal request from my provider? Does he have to tell me which (inter)national organizations (legally) requested my account data? Q2: Does the situation change if I live in Germany (and have a German provider)? I guess here are some German users. And I know that such a legal policy exists for our national credit rating agency. I can request who got access to my data, they have to tell me. Please answer only if you know a good answer, I don't want to start a long discussion on this none-technical question. Best regards, Juve

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  • Fluid VS Responsive Website Development Questions

    - by Aditya P
    As I understand these form the basis for targeting a wide array of devices based on the browser size, given it would be a time consuming to generate different layouts targeting different/specific devices and their resolutions. Questions: Firstly right to the jargon, is there any actual difference between the two or do they mean the same? Is it safe to classify the current development mainly a html5/css3 based one? What popular frameworks are available to easily implement this? What testing methods used in this regard? What are the most common compatibility issues in terms of different browser types? I understand there are methods like this http://css-tricks.com/resolution-specific-stylesheets/ which does this come under?. Are there any external browser detection methods besides the API calls specific to the browser that are employed in this regard? Points of interest [Prior Research before asking these questions] Why shouldn't "responsive" web design be a consideration? Responsive Web Design Tips, Best Practices and Dynamic Image Scaling Techniques A recent list of tutorials 30 Responsive Web Design and Development Tutorials by Eric Shafer on May 14, 2012 Update Ive been reading that the basic point of designing content for different layouts to facilitate a responsive web design is to present the most relevant information. now obviously between the smallest screen width and the highest we are missing out on design elements. I gather from here http://flashsolver.com/2012/03/24/5-top-commercial-responsive-web-designs/ The top of the line design layouts (widths) are desktop layout (980px) tablet layout (768px) smartphone layout – landscape (480px) smartphone layout – portrait (320px) Also we have a popular responsive website testing site http://resizemybrowser.com/ which lists different screen resolutions. I've also come across this while trying to find out the optimal highest layout size to account for http://stackoverflow.com/questions/10538599/default-web-page-width-1024px-or-980px which brings to light seemingly that 1366x768 is a popular web resolution. Is it safe to assume that just accounting for proper scaling from width 980px onwards to the maximum size would be sufficient to accommodate this? given we aren't presenting any new information for the new size. Does it make sense to have additional information ( which conflicts with purpose of responsive web design) to utilize the top size and beyond?

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  • Excel tables creation upon MySQL data import (new feature in MySQL for Excel 1.2.x)

    - by Javier Treviño
    In this blog post we are going to talk about one of the features included since MySQL for Excel 1.2.0, you can install the latest GA or maintenance version using the MySQL Installer or optionally you can download directly any GA or non-GA version from the MySQL Developer Zone. Remember how easy is to dump data from a MySQL table, view or stored procedure to an Excel worksheet? (If you don't you can check out this other post: How To - Guide to Importing Data from a MySQL Database to Excel using MySQL for Excel). In version 1.2.0 we introduced some advanced options for the Import MySQL Data operation regarding Excel tables. The Advanced Options dialog shown above is accessible from any Import Data dialog. When the Create an Excel table for the imported MySQL table data option is checked (which is by default), MySQL for Excel will create an Excel table (also known in Excel jargon as a ListObject) from the Excel range containing the imported MySQL data. This "little feature" enables the right-away usage of the Excel table in data analysis, like including it for summarization on a PivotTable, including a summarization row at the end of the table's data, sorting or filtering the table's data by clicking the drop-down button next to each column's header, among other actions. The Excel tables that are created automatically from imported MySQL data will have a name like [UserPrefix].<SchemaName>.<DbObjectName> for tables and views, and <Prefix>.<SchemaName>.<ProcedureName>.<ResultSetName> for stored procedures.  Notice the first piece of the name is an optional [UserPrefix], the prefix is only used if the Prefix Excel tables with the following text option is checked, notice that the suggested prefix is "MySQL" but it can be changed to whatever text is suitable for you. Excel tables must have a table style so they are easily identified. There are a lot of predefined Excel table styles, by default the MySqlDefault style is applied, which is the style you have seen applied to imported data for Edit Sessions, and which adds simple and elegant formatting to the table. If you wish to change it to any of the predefined Excel table style you can do it through the drop-down list on the Use style [[styles drop-down]] for the new Excel table option. Excel tables are the basic construction blocks for building data analysis or self-service Business Intelligence using other more advanced Excel tools like Power Pivot, Power View or Power Map. This feature empowers imported MySQL data to use it in more advanced ways.  We hope you give this and the other new features in the 1.2.x version family a try! Remember that your feedback is very important for us, so drop us a message and follow us: MySQL on Windows (this) Blog: https://blogs.oracle.com/MySqlOnWindows/ MySQL for Excel forum: http://forums.mysql.com/list.php?172 Facebook: http://www.facebook.com/mysql YouTube channel: https://www.youtube.com/user/MySQLChannel Cheers!

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  • C++11 Tidbits: Decltype (Part 2, trailing return type)

    - by Paolo Carlini
    Following on from last tidbit showing how the decltype operator essentially queries the type of an expression, the second part of this overview discusses how decltype can be syntactically combined with auto (itself the subject of the March 2010 tidbit). This combination can be used to specify trailing return types, also known informally as "late specified return types". Leaving aside the technical jargon, a simple example from section 8.3.5 of the C++11 standard usefully introduces this month's topic. Let's consider a template function like: template <class T, class U> ??? foo(T t, U u) { return t + u; } The question is: what should replace the question marks? The problem is that we are dealing with a template, thus we don't know at the outset the types of T and U. Even if they were restricted to be arithmetic builtin types, non-trivial rules in C++ relate the type of the sum to the types of T and U. In the past - in the GNU C++ runtime library too - programmers used to address these situations by way of rather ugly tricks involving __typeof__ which now, with decltype, could be rewritten as: template <class T, class U> decltype((*(T*)0) + (*(U*)0)) foo(T t, U u) { return t + u; } Of course the latter is guaranteed to work only for builtin arithmetic types, eg, '0' must make sense. In short: it's a hack. On the other hand, in C++11 you can use auto: template <class T, class U> auto foo(T t, U u) -> decltype(t + u) { return t + u; } This is much better. It's generic and a construct fully supported by the language. Finally, let's see a real-life example directly taken from the C++11 runtime library as implemented in GCC: template<typename _IteratorL, typename _IteratorR> inline auto operator-(const reverse_iterator<_IteratorL>& __x, const reverse_iterator<_IteratorR>& __y) -> decltype(__y.base() - __x.base()) { return __y.base() - __x.base(); } By now it should appear be completely straightforward. The availability of trailing return types in C++11 allowed fixing a real bug in the C++98 implementation of this operator (and many similar ones). In GCC, C++98 mode, this operator is: template<typename _IteratorL, typename _IteratorR> inline typename reverse_iterator<_IteratorL>::difference_type operator-(const reverse_iterator<_IteratorL>& __x, const reverse_iterator<_IteratorR>& __y) { return __y.base() - __x.base(); } This was guaranteed to work well with heterogeneous reverse_iterator types only if difference_type was the same for both types.

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  • Got Samba, Got PyNeighbourhood but still no connection. What else do I need?

    - by Frank A
    I am sure I had already hit post before but then could only find it by backing through browser. Was it deleted? is the question too dumb, sorry that I do not know the right jargon just trying to get answers to my problem anyway have reworded stuff a bit This seems to be a number one requirement for lots of people and 2 months on from setting up my Ubuntu pc, I am still unable to get a lasting connection in either direction. Adding a windows pc to a network is so easy... just a few clicks and get on with using it all. Using all command approaches and modifying configuration files is hardly user friendly. Googling brings up thousands of solutions but mostly they are too techy or assume the user is fully aware of how to use Linux. I do realise that their must be a lot of flavours for connecting to networks. So far I have installed Samba and fiddled with its config file. The day I did all that it worked from XP to Ubuntu. When I came back two days later to transfer my data over it would not connect. Although the the share does show up in Windows (XP) My Network Places. Today I installed PyNeighbourhood and this shows the Ubuntu box and all of the shares I had created at some point on Ubuntu and it even shows this under the XP workgroup name. But instructions on setting the connection up seem to relate to an earlier version and nothing seems to work there either. (I unshared most of those test folders but they still show up her but that is another question. When I click on mount- I can only click on one on the Ubuntu machine, there is one with no name so I assume this to be my attempt to add one XP Shared drive using ipaddress, I get errors. (gksu:9767): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (gksu:9767): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (gksu:9767): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (gksu:9767): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", mount error(6): No such device or address Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) OK tried to find the manual referred to... only an old comment that manual would be produced for future versions. I saw in another thread that Winbind is needed as well or at least I assume as well? Totally lost again? Please help, what else needs to be installed to connect to win pcs on the network.

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  • Need Help with partitions and such Dual Booting 13.10 w/ windows 7

    - by Aymax
    so I've spent the past couple days freaking out about this and looking for answers, and I decided to resort to asking on forums. probably should have before I wasted 2 entire days. so I am trying to DUAL-INSTALL Ubuntu 13.10 with my x64 Windows 7 home premium computer. I have 6 gb of ram, 1TB hard drive, and a 3.3GHZ dual core processer (just in case it matters). I've managed to figure some things out. I've burned the ubuntu files onto a DVD, and I have been able to successfully run it off the disk. I also shrunk my Windows partition by 120Gb and partitioned that for Ubuntu (all using the windows Disk Manager). Problems: When I turn my computer on with the DVD in the tray, the computer cant find windows. it flashes a screen real quick that says something about not being able to find an operating system, and then goes to "grub" and asks what i want to do with Ubuntu. this scares me, because I don't know if that means that I will not be able to boot windows if I install Ubuntu. The Ubuntu 13.10 installer does not detect my Windows operating system. I only have the options to Erase everything on my drive, or "something else." I choose that, which brings me to 3 I don't understand the partition table. I have no idea which drive im selecting to install stuff on, much less which one to select. I tried to tell by the amount of memory partitioned off, but none of the numbers seem to be accurate. Plus, all the names are dev/sda(#). I know Ubuntu knows the name of my partition, because on the sidebars it shows the names of the different drives, including the partition I made; so why don't they use the names? I have no idea what I'm going to be erasing. I've read that I should know which is which by the file system type, but they are all NTFS, including the one I made. my only other option was FAT, none for EXT2 or any of that like people said to do. My main concerns are that of accidentally erasing windows or not being able to access windows. any feasible solution is helpful, weather it helps me with the install or to make Ubuntu see windows. I realize this question has been asked much, but i have found no feasible answers so far. I am relatively new to this, and have never installed an operating system before, so I do not know most of the jargon. please keep it relatively simple, please. I am not a programmer. Thanks.

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  • USB Virus, "Program too big to fit in memory"?

    - by ApprenticeHacker
    I got an installer for a piece of software via usb from a friend.Now what was weird was that although my friend and I had the same OS, same brand of laptop and I had a newer version (though I don't think this quite matters), the installer was running properly for him but not for me. It just showed a command line window and exited. I ran it via a batch file in which I included "pause" after running it. Here's the screenshot: Later my friend called me and told me that it was the USB that was the problem. It had some kind of virus on it and it corrupted every executable or folder on it , and it renamed all the sub_files inside folders to some weird jargon. He had tried using another USB and the installer worked fine. Now the friend has (unfortunately) gone back to his city and I can't get the installer again from him. My question is: Is there any way to repair the installer executable and run it? and Do you think the virus has infected my PC? (I have run a system scan with my antivirus and it showed nothing but still I'm worried)

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  • Cisco configuration for public library internet

    - by AlternateZ
    I'm a C/C++ computer programmer turned IT support guy working for a public library. My day is usually spent helping random grandparents learn how to use email, so my networking knowledge is limited to what I can glean from google. Here's the situation. We have a public library with 20 PCs on a LAN and also public wifi access. Previously we were running all of this on 1 ADSL connection and people complained about low speeds. We hired a networking company to set up a Cisco dual-WAN router for us, and purchased an additional ADSL connection. The intention was to give the LAN PCs a guaranteed amount of bandwidth each, and then let the wifi users split the rest. The results were far worse than what we expected, and all we got from the company was excuses and they've since washed their hands of us. During busy periods, net performance on the LAN PCs are so poor that attaching files to gmail etc often times out and fails - far from the "guaranteed amount of bandwidth each" that we hope for! Sometimes it feels like performance is worse than before when we had 1 ADSL link and an unconfigured router? Anyways, surely this is a problem encountered a million times over across the world? (Sharing internet across many users effectively.) What are standard solutions for something like this? I admit to not even knowing the right jargon to google for (load balancing?) I'd appreciate any links to resources/guides that might help me get a better understanding of the problem/solutions, and perhaps some stories of your own experience in solving similar problems. This will help us evaluate and negotiate with network consultants in the future. If its relevant, our router config contains a section "policy-map" with "bandwidth percent" for each class of user (LAN, wifi), and "fair queue".

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  • Links to my “Best of 2010” Posts

    - by ScottGu
    I hope everyone is having a Happy New Years! 2010 has been a busy blogging year for me (this is the 100th blog post I’ve done in 2010).  Several people this week suggested I put together a summary post listing/organizing my favorite posts from the year.  Below is a quick listing of some of my favorite posts organized by topic area: VS 2010 and .NET 4 Below is a series of posts I wrote (some in late 2009) about the VS 2010 and .NET 4 (including ASP.NET 4 and WPF 4) release we shipped in April: Visual Studio 2010 and .NET 4 Released Clean Web.Config Files Starter Project Templates Multi-targeting Multiple Monitor Support New Code Focused Web Profile Option HTML / ASP.NET / JavaScript Code Snippets Auto-Start ASP.NET Applications URL Routing with ASP.NET 4 Web Forms Searching and Navigating Code in VS 2010 VS 2010 Code Intellisense Improvements WPF 4 Add Reference Dialog Improvements SEO Improvements with ASP.NET 4 Output Cache Extensibility with ASP.NET 4 Built-in Charting Controls for ASP.NET and Windows Forms Cleaner HTML Markup with ASP.NET 4 - Client IDs Optional Parameters and Named Arguments in C# 4 - and a cool scenarios with ASP.NET MVC 2 Automatic Properties, Collection Initializers and Implicit Line Continuation Support with VB 2010 New <%: %> Syntax for HTML Encoding Output using ASP.NET 4 JavaScript Intellisense Improvements with VS 2010 VS 2010 Debugger Improvements (DataTips, BreakPoints, Import/Export) Box Selection and Multi-line Editing Support with VS 2010 VS 2010 Extension Manager (and the cool new PowerCommands Extension) Pinning Projects and Solutions VS 2010 Web Deployment Debugging Tips/Tricks with Visual Studio Search and Navigation Tips/Tricks with Visual Studio Visual Studio Below are some additional Visual Studio posts I’ve done (not in the first series above) that I thought were nice: Download and Share Visual Studio Color Schemes Visual Studio 2010 Keyboard Shortcuts VS 2010 Productivity Power Tools Fun Visual Studio 2010 Wallpapers Silverlight We shipped Silverlight 4 in April, and announced Silverlight 5 the beginning of December: Silverlight 4 Released Silverlight 4 Tools for VS 2010 and WCF RIA Services Released Silverlight 4 Training Kit Silverlight PivotViewer Now Available Silverlight Questions Announcing Silverlight 5 Silverlight for Windows Phone 7 We shipped Windows Phone 7 this fall and shipped free Visual Studio development tools with great Silverlight and XNA support in September: Windows Phone 7 Developer Tools Released Building a Windows Phone 7 Twitter Application using Silverlight ASP.NET MVC We shipped ASP.NET MVC 2 in March, and started previewing ASP.NET MVC 3 this summer.  ASP.NET MVC 3 will RTM in less than 2 weeks from today: ASP.NET MVC 2: Strongly Typed Html Helpers ASP.NET MVC 2: Model Validation Introducing ASP.NET MVC 3 (Preview 1) Announcing ASP.NET MVC 3 Beta and NuGet (nee NuPack) Announcing ASP.NET MVC 3 Release Candidate 1  Announcing ASP.NET MVC 3 Release Candidate 2 Introducing Razor – A New View Engine for ASP.NET ASP.NET MVC 3: Layouts with Razor ASP.NET MVC 3: New @model keyword in Razor ASP.NET MVC 3: Server-Side Comments with Razor ASP.NET MVC 3: Razor’s @: and <text> syntax ASP.NET MVC 3: Implicit and Explicit code nuggets with Razor ASP.NET MVC 3: Layouts and Sections with Razor IIS and Web Server Stack The IIS and Web Stack teams have made a bunch of great improvements to the core web server this year: Fix Common SEO Problems using the URL Rewrite Extension Introducing the Microsoft Web Farm Framework Automating Deployment with Microsoft Web Deploy Introducing IIS Express SQL CE 4 (New Embedded Database Support with ASP.NET) Introducing Web Matrix EF Code First EF Code First is a really nice new data option that enables a very clean code-oriented data workflow: Announcing Entity Framework Code-First CTP5 Release Class-Level Model Validation with EF Code First and ASP.NET MVC 3 Code-First Development with Entity Framework 4 EF 4 Code First: Custom Database Schema Mapping Using EF Code First with an Existing Database jQuery and AJAX Contributions My team began making some significant source code contributions to the jQuery project this year: jQuery Templates, Data Link and Globalization Accepted as Official jQuery Plugins jQuery Templates and Data Linking (and Microsoft contributing to jQuery) jQuery Globalization Plugin from Microsoft Patches and Hot Fixes Some useful fixes you can download prior to VS 2010 SP1: Patch for Cut/Copy “Insufficient Memory” issue with VS 2010 Patch for VS 2010 Find and Replace Dialog Growing Patch for VS 2010 Scrolling Context Menu Videos of My Talks Some recordings of technical talks I’ve done this year: ASP.NET 4, ASP.NET MVC, and Silverlight 4 Talks I did in Europe VS 2010 and ASP.NET 4 Web Forms Talk in Arizona Other About Technical Debates (and ASP.NET Web Forms and ASP.NET MVC debates in particular) ASP.NET Security Fix Now on Windows Update Upcoming Web Camps I’d like to say a big thank you to everyone who follows my blog – I really appreciate you reading it (the comments you post help encourage me to write it).  See you in the New Year! Scott P.S. In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu

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  • javaee_c105

    - by ???02
    2012?4?4?~5??2?????????????????49????Java????????????????JavaOne Tokyo 2012???????? "Java??????"??????JavaOne??Java??????????????·???????????????????????????????????????????????????JavaOne Tokyo 2012???????????????(???)?Moving Java Forward――??????????"Java??"????????? JavaOne??1996???????????Java???????Java??????????????????·????????????Java??????????????????Java Community Process(JCP)??????????????????·????????????????????????????????????Java??????????????????????????????Java?????????????Java???????????????????/??????????Java????????????????????????????????????? 1996?????????????????????10???JavaOne 2011 San Francisco???????¦?????JavaOne 2011??Java/Java EE????????!――???????????????!! JavaOne Tokyo 2012???Moving Java Forward?????????????????????????????????????Java???????????????????????????????????????JavaOne Tokyo 2012??????????????????????Java?????????????????????????????? ????Java????????????????????????IT???????????????????????????????????1??????????????????JavaOne????????????????????????????????Java????????????????????????????????? ????????????·?????????????????????????????????????????????·???????????????????????????????????????????????????????????????????Java????1????Java????????????????·???????????1??????????????????????????????????????????????????????????????????????Java???????1?????? ?????????????????????????????HTML5?????????????????????????????????????????????? JavaOne???????Java??????????????????????????????????????????????????????????????????????????????JavaOne Tokyo 2012 Web???···?????????!??????!?――??????????? JavaOne Tokyo 2012????????????Java SE?Java EE?Java Embedded(????Java)?JavaFX??????????????·???????????·????????·??????????????????????????Oracle Corporation????JCP?????·???????????????????? ???????????(Call for Papers)??????????????????JavaOne Tokyo 2012???????????????????16???/???????????????????Java?????????????/??/?????????????????Java??????????????????????????BoF(Birds-of-a-Feather)????????/???????????????????? ???????Call for Papers????????BoF?????????????????????????Java SE/Java EE?Java Embedded/JavaFX??????·?????????????????Java SE 8?Java EE 7????????! Java SE?Java EE??????????1???????????????????(Strategy Keynote)??????????Oracle Corporation??????VP?????????·??????Java??????????VP??????·??????????·???????????????????????·???????????????????Java SE?Java EE???????????????????????????JavaOne Tokyo 2012???????(????1)[JK1-01] 4/4(?) 9:00-11:00 Java Strategy Keynote ???2???????(Technical Keynote)???Java SE?Java EE??????????????????????????????JavaOne Tokyo 2012???????(????2)JK2-01 4/5(?) 9:00-11:00  JavaOne Technology Keynote ??????????????????JCP??????????????????????????????????????Java?????????????????????????JavaOne Tokyo 2012??????????? Java SE?Java EE?????????·????????2013?????????Java SE 8?Java EE 7?????????? ?Java SE 8???????Project Jigsaw???Project Lambda???HotRockit???????????????????Java EE?????????????????Java EE 7???????????????????????????????????????Java SE?Java EE?????????????????????/??????????????????????????????·??????????????????????????????????????(???)JavaOne Tokyo 2012???????(Java SE/Java EE)JS1-02 4/4(?) 11:15-12:15 Java EE Web Container in the CloudJS1-11 4/4(?) 13:15-14:15 The Heads and Tails of Project CoinJS1-31 4/4(?) 15:45-16:45 Project Lambda: To Multicore and BeyondJS1-51 4/4(?) 18:15-19:15 HotRockit: What to Expect from Oracle's Converged JVMJS2-13 4/5(?) 13:15-14:15 Java EE 6???J2EE??????JS2-21 4/5(?) 14:30-15:30 How to Write Low Latency Java ApplicationsJavaFX 2.0????! ????Java??????????? JavaFX????????JavaFX 2.0???JavaOne Tokyo 2012?????????1????????????????????JavaFX??????????2???????(Technical Keynote)???Java SE?Java EE????JavaFX????????? ?????????·????????JavaFX 2.0????????????????????????????????·???????????????????????????? ???????????????????????JavaFX 2.0???????????????????????????JavaOne Tokyo 2012????????????????????????????·??????????????JavaFX 2.0??????????????????????????????Java?????????·???????(UI)??????JavaFX?????????????????????????????JavaOne Tokyo 2012???????(JavaFX)JS1-01 4/4(?) 11:15-12:15 Introduction to JavaFX 2.0JS1-13 4/4(?) 13:15-14:15 JavaFX and Web IntegrationJS1-32 4/4(?) 15:45-16:45 Introduction to the JavaFX Scene BuilderJS2-02 4/5(?) 11:15-12:15 JavaFX Architecture and Programming Model Java Embedded????????????????????????Java?????????????????????????????????????????????????????????????????·?????Machine to Machine(M2M)?Home Energy Management System(HEMS)???????????????·??????????????????????????????Java Connected Device Configuration(CDC)?UI?????????????JavaFX 2.0??????(???)????JavaOne Tokyo 2012???????(Java Embedded)JS2-03 4/5(?) 11:15-12:15 ????Java??????JS2-12 4/5(?) 13:15-14:15 Mobile Java EvolutionJS2-22 4/5(?) 14:30-15:30 Java Card(tm) Classic Edition 3.0.4 and tools, and introducing Java Card solutions for NFC applications, Embedded SEs and SD Cards?????·??????Java???????? ?????·????????Java EE?Java SE?Java Embedded?JavaFX???????????????????????Java EE?????????????????Java EE 6?????????? ??????????????????????????????Java EE 6??????????????????JSF 2.0?JAX-RS 1.1?CDI 1.0????Java EE 6?????????JPA 2.0?Java Servlet 3.0?EJB 3.1???????????? ???????????? ??????????????????????????????Java EE 6?????????????????????????????????????????????????Java EE 6?????Web????????????????????????????????????????????Java EE????????????????Java EE????????????????????????????????????Java EE 6???????????????????????(???)??????JavaOne Tokyo 2012???????(?????·?????)JH1-01 4/4(?) 13:00-15:00 ?????Java EE 6JH1-02 4/4(?) 15:30-17:30 Java SE Embedded?????Java?????JH2-01 4/5(?) 13:00-15:00 JavaFX 2.0??????????????????????JH2-02 4/5(?) 15:30-17:30 ?????Java EE 6 ??????JavaOne Tokyo 2012?Java???????????"??"??"?"????????????????????????????1?1?????????????????????4?4??5??Java???????????!JavaOne Tokyo 2012Java?????????JavaOne Tokyo????????????????????JavaOne 2011 San Francisco???????????Java?????????????????????????????????????????????·???????????·??????Birds-of-a-Feather(BoF)????????????????????????????????????[???????????:4324]??:2012?4?4?(?)~5?(?)??:???????????49???:????????:5,250?(??)/ ??:10,500?(??)JavaOne Tokyo 2012???????Oracle OpenWorld Tokyo 2012??????ENGINEERED FOR INNOVATION ??????????????????????????????????????????????????????????????????????????????????WebLogic Server???????????????????????![???????????:4324]??:2012?4?4?(?)~6?(?)??:???? ????? ??????????????49????????????:????Oracle OpenWorld Tokyo 2012???? ~??????~(PDF)Oracle OpenWorld Tokyo 2012???????

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  • Principles of Big Data By Jules J Berman, O&rsquo;Reilly Media Book Review

    - by Compudicted
    Originally posted on: http://geekswithblogs.net/Compudicted/archive/2013/11/04/principles-of-big-data-by-jules-j-berman-orsquoreilly-media.aspx A fantastic book! Must be part, if not yet, of the fundamentals of the Big Data as a field of science. Highly recommend to those who are into the Big Data practice. Yet, I confess this book is one of my best reads this year and for a number of reasons: The book is full of wisdom, intimate insight, historical facts and real life examples to how Big Data projects get conceived, operate and sadly, yes, sometimes die. But not only that, the book is most importantly is filled with valuable advice, accurate and even overwhelming amount of reference (from the positive side), and the author does not event stop there: there are numerous technical excerpts, links and examples allowing to quickly accomplish many daunting tasks or make you aware of what one needs to perform as a data practitioner (excuse my use of the word practitioner, I just did not find a better substitute to it to trying to reference all who face Big Data). Be aware that Jules Berman’s background is in medicine, naturally, this book discusses this subject a lot as it is very dear to the author’s heart I believe, this does not make this book any less significant however, quite the opposite, I trust if there is an area in science or practice where the biggest benefits can be ripped from Big Data projects it is indeed the medical science, let’s make Cancer history! On a personal note, for me as a database, BI professional it has helped to understand better the motives behind Big Data initiatives, their underwater rivers and high altitude winds that divert or propel them forward. Additionally, I was impressed by the depth and number of mining algorithms covered in it. I must tell this made me very curious and tempting to find out more about these indispensable attributes of Big Data so sure I will be trying stretching my wallet to acquire several books that go more in depth on several most popular of them. My favorite parts of the book, well, all of them actually, but especially chapter 9: Analysis, it is just very close to my heart. But the real reason is it let me see what I do with data from a different angle. And then the next - “Special Considerations”, they are just two logical parts. The writing language is of this book is very acceptable for all levels, I had no technical problem reading it in ebook format on my 8” tablet or a large screen monitor. If I would be asked to say at least something negative I have to state I had a feeling initially that the book’s first part reads like an academic material relaxing the reader as the book progresses forward. I admit I am impressed with Jules’ abilities to use several programming languages and OSS tools, bravo! And I agree, it is not too, too hard to grasp at least the principals of a modern programming language, which seems becomes a defacto knowledge standard item for any modern human being. So grab a copy of this book, read it end to end and make yourself shielded from making mistakes at any stage of your Big Data initiative, by the way this book also helps build better future Big Data projects. Disclaimer: I received a free electronic copy of this book as part of the O'Reilly Blogger Program.

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  • Today's Links (6/29/2011)

    - by Bob Rhubart
    Event-Driven SOA: Events meet Services | Guido Schmutz Oracle ACE Director Guido Schmutz shows you how to achieve extreme loose coupling within a Service-Oriented Architecture by using event-driven interactions. Misconceptions About Software Architecture | Sanjeev Kumar A concise, to-the-point, and informative article by Sanjeev Kumar. Good Leaders Acknowledge What Can't Be Done - Jeffrey Pfeffer - Harvard Business Review "None of us likes to admit to bad decisions," says Jeffrey Pfeffer. "But imagine how much harder that is for someone who has been chosen to lead a large organization precisely because he or she is thought to have the power to see the future more clearly and chart a wise course." Suboptimal Thinking within Enterprise Architecture | James McGovern McGovern says: "We need to remember that enterprises live and thrive beyond just the current person at the helm." Boundaryless Information Flow | Richard Veryard "If all the boundaries are removed or porous, then the (extended) enterprise or ecosystem becomes like a giant sponge, in which all information permeates the whole," Veryard says. "Some people may think that's a good idea, but it's not what I'd call loose coupling." Coming to a City Near You: Oracle Business Analytics Summits | Rob Reynolds This series of events includes a Technology and Architecture track. New Date for Implementation of Sun Hands-On Course Requirement (Oracle Certification) As announced on the Oracle Certification website, Java Architect, Java Developer, Solaris System Administrator and Solaris Security Administrator certification tracks will include a new mandatory course attendance requirement. VirtualBox 4.0.10 is now available for download | Bob Netherton Netherton shares information on the new release. Updated Technical Best Practices whitepaper | Anthony Shorten The Technical Best Practices whitepaper has been updated with the latest advice. "New advice includes new installation advice, advanced settings, new security settings and advice for both Oracle WebLogic and IBM WebSphere installations," says Shorten. Kscope 11 ADF, AIA and Business Rules | Peter Paul van de Beek Whitehorses Solution Architect Peter Paul van de Beek shares his impressions of KScope11 presentations by Markus Eisele, Sten Vesterli, and Edwin Biemond. Amazon AWS for the learning experience | Andrej Koelewijn "Using AWS changes your expectations how your internal data center should operate," says Koelewijn. BPMN is dead, long live BPEL! (SOA Partner Community Blog) Jürgen Kress shares information -- including a long list of speakers -- for the SOA & BPM Integration Days 2011 conference, October 12th & 13th 2011 in Düsseldorf. InfoQ: HTML5 and the Dawn of Rich Mobile Web Applications James Pearce introduces cross-platform web apps development using HTML5 and web frameworks, such as jQTouch, jQuery Mobile, Sencha Touch, PhoneGap, outlining what makes a good framework. InfoQ: Interview and Book Excerpt: CMMI for Development "Frameworks like TOGAF are used to define an architecture that aligns IT assets and resources to support key business needs and processes of key stakeholders," says SEI's Mike Konrad. "But the individual application systems, capabilities, services, networks, and other IT assets and infrastructure still need to be acquired, developed, or sustained." InfoQ: Architecting a Cloud-Scale Identity Fabric | Eric Olden "The most cited reason for not moving to the cloud is concern about security," says Olden. "In particular, managing user identity and access in the cloud is a tough problem to solve and a big security concern for organizations."

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  • The Oscar of Java Programming

    - by Tori Wieldt
    Why bother nominating a peer, yourself or your company for a Duke's Choice Award? I asked Duke's Choice Award winner Fabiane Nardon, whose team won in 2005 for the Healthcare Information System they created for the Brazilian government, what it was like winning the award and if it had any impact on her career. Here's what she told me: 1) What was it like to win a Duke's Choice Award? For me it was like winning an Oscar or a Grammy :-) I think that for a Java developer, a Duke's Choice Award is probably the highest award you can get, so it was really an honor. We had an amazing team working on that project and the team really deserved it. We were all very happy when we got that email with the announcement. That moment was one of the most important moments of my career. 2) What benefits have you gotten from being a "Duke's Choice Award Winner?" I think the most important benefit you get from winning a Duke is the fact that you become known by your peers. This opens many doors, since you are approached by more people, get invitations to speak in more conferences, you meet people with the same technical interests you have and so on. I certainly benefited a lot from it. We were lucky that in 2005, when we got our award, the winners were featured in the JavaOne keynote, with short documentaries produced about each one. So, we could be on the stage and talk a little about the project. We got lots of press at the time. We see  today's winners benefiting a lot from the press coverage. 3) How is the the Brazilian Healthcare Information System project doing today? Still running and getting new features every year. I'm not involved on the project anymore, but there are good people taking care of it. We opened the code since the beginning, so different cities could use and add features to it. There are many new developers working on that code base right now and I hope they can take the whole system to a new level. 4) What are you up to these days? I worked in the healthcare field for many years and a few years ago I decided that it was time to move on and take the experience I got designing large scale and mission critical systems to other fields. Since then I have been working with high access internet applications. I also co-founded ToolsCloud, a company that provides a development environment with open source tools in the cloud. We just launched ToolsCloud in USA, so other companies can get the same bundle of tools, hassle free, that several companies are successfully using in Brazil. Besides that, right now I'm personally working on the coolest project I ever worked on. It combines several technical challenges with a good dose of social impact. We should launch it in the second semester and I should keep it as a secret for now. Hopefully it will be useful to many people and disruptive enough to maybe get us a new Duke's Choice Award. Who knows? Read more about Fabiane in the "Heroes of Java" series by Markus Eisele. Her Twitter handle is @FabianeNardon. The Duke's Choice Awards celebrate extreme innovation in the world of Java technology. Nominate an individual, a group or company who show the best in Java innovation. Nominate via the easy online form at www.Java.net/dukeschoice. Nominations are open until June 15, 2012.

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