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• Programs minimized for long time takes long time to "wake up"

  - by bart

  I'm working in Photoshop CS6 and multiple browsers a lot. I'm not using them all at once, so sometimes some applications are minimized to taskbar for hours or days. The problem is, when I try to maximize them from the taskbar - it sometimes takes longer than starting them! Especially Photoshop feels really weird for many seconds after finally showing up, it's slow, unresponsive and even sometimes totally freezes for minute or two. It's not a hardware problem as it's been like that since always on all on my PCs. Would I also notice it after upgrading my HDD to SDD and adding RAM (my main PC holds 4 GB currently)? Could guys with powerful pcs / macs tell me - does it also happen to you? I guess OSes somehow "focus" on active software and move all the resources away from the ones that run, but are not used. Is it possible to somehow set RAM / CPU / HDD priorities or something, for let's say, Photoshop, so it won't slow down after long period of inactivity?

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• Are speakers wasting power when they are not in use?

  - by Dennis Cheung

  I guess all of you have a pair/set of speakers for your MP3s. I am just interesting to how do they do when they are not playing? How actually the power spent by the speaker? Does any the below cases matter? Idle / Silence input When you computer is off / not connected Raise the volume by hardware (turn/push the button on the speaker) Raise the volume by software (do it with your mouse) BTW, to save the world. I am here to suggest you to unplug it when you leave your PC.

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• Oracle Inroduces a New Line of Defense for Databases

  - by roxana.bradescu

  Today at the 2011 RSA Conference, we announced the immediate availability of our new Oracle Database Firewall, the latest addition to a comprehensive portfolio of database security solutions. Oracle Database Firewall is a network-based software solution that monitors database traffic, and can detect and block SQL injection and other attacks from reaching Oracle and non-Oracle databases. According to the 2010 Verizon Data Breach Investigations Report, SQL injection attacks against databases are responsible for 89% of all breached data. SQL injection attacks are a technique for controlling responses from the database server through applications. This attack exploits the inherent trust between application layer and the back-end database. Previously the only way organizations had to safeguard against SQL injection attacks was a complete overhaul of their application code. Obviously a very costly, complex, and often impossible undertaking for most organizations. Enter the new Oracle Database Firewall. It can help prevent SQL injection attacks by establishing a defensive perimeter around your databases. The Oracle Database Firewall uses an innovative SQL grammar analysis to inspect the database traffic against pre-defined policies. Normal expected traffic is allowed to pass (and can be optionally logged to demonstrate regulatory compliance), ensuring no false positives or disruption to your business. SQL statements that are explicitly forbidden or unknown SQL statements can either pass, be logged, alert, block or be substitute with pre-defined SQL statements. Being able to substitute an unknown potentially harmful SQL statement with a harmless statement is especially powerful since it foils an attack while allowing the application to operate normally and preventing DoS attacks. So, if you're at RSA, stop by our booth or attend the session with Steve Moyle, Oracle Database Firewall CTO. Or if you want to learn more immediately, please watch our on-demand webcast and download the new Oracle Database Firewall Resource Kit with everything you need to get started today.

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• How should I isolate computers with different roles on a network

  - by fishhead

  I work in an industrial plant and we have one network(physical wire) that us used for both office usage and for process systems. The office computers are only used for typical office needs but occasionally do connect to the process computers to obtain information from a sql server or for some other purpose. A new initiative is in the works and is rolling down hill from corporate and that is to standardize how the the computers are used at work and they would be severely locked down and only a standard set of applications will be allowed to execute. one of the requirements is to also have non office computers isolated from the company domain. our non-office computers are a mix of Man-Machine interfaces and sql-servers all running software that non standard. My question is, how can we divorce the control systems computers from the company domain but still have access to the servers from the company domain. thanks

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• How should I isolate computers with different roles on a network

  - by fishhead

  I work in an industrial plant and we have one network(physical wire) that us used for both office usage and for process systems. The office computers are only used for typical office needs but occasionally do connect to the process computers to obtain information from a sql server or for some other purpose. A new initiative is in the works and is rolling down hill from corporate and that is to standardize how the the computers are used at work and they would be severely locked down and only a standard set of applications will be allowed to execute. one of the requirements is to also have non office computers isolated from the company domain. our non-office computers are a mix of Man-Machine interfaces and sql-servers all running software that non standard. My question is, how can we divorce the control systems computers from the company domain but still have access to the servers from the company domain. thanks

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• Odd Tools and Techniques for System Administrators

  - by Joseph Kern

  There's been a lot of questions centering on Software Tools for System Administrators. But I would like to know about any odd physical tools or techniques that you've used; Something that you never expected to be useful, but ended up saving the day. I'll go first: A Camera Phone. An application server had a major power issue that borked the RAID. Many of the disks were offline. Before I took the plunge and forced disks back online, I took a picture of the RAID BIOS screen with my camera phone. Having the exact layout of the RAID stored safely in my pocket, I was able to reset the RAID, and reboot the server. What odd tools/techniques have you used?

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• Why is Latex so big?

  - by putmatrix

  On windows, MikTex comes in a DVD. It's several times bigger than a typical Linux distribution. This makes it impossible to carry Latex on a memory stick like I do with many other useful software. Why is it so big? I thought it was just a language or system, but I've never seen any programming language with gigabytes of libraries. It's just that there's a bad feeling when your Latex distribution takes up four gigabytes of space when you expect it to be more of, say, 200mb.

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• Mac OS needs Windows Live Writer &ndash; badly!

  - by digitaldias

  I recently bought a new  Macbook Pro (the 13” one) to dive into a new world of programming challenges as well as to get a more powerful netbook than my Packard Bell Dot which I’ve been using since last year. I’ve had immense pleasure using the netbook format and their small size in meetings (taking notes with XMind), surfing “anywhere”, and, of course blogging with windows live writer. So far the Mac is holding up, it’s sleek, responsive, and I’ve even begun looking at coding in Objective C with it, but in one arena, it is severely lacking: Blogging software. There is nothing that even comes close to Live Writer for getting your blog posts out. The few blogger applications that do exist on mac both look and feel medieval in comparison, AND some even cost money! It looks like some mac users actually install a virtual machine on their mac to run Windows XP just so they can use WLW. I’m not that extreme; instead, I’m hoping that the WLW team will write it’s awesome application as a Silverlight 4 app. That way, it would run on Mac and Windows (as a desktop app). I wonder if it will ever happen though…   PS: The image is of me, took it with the built-in camera on the mac and emailed it to the windows PC that I am writing on :)

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• Data Recovery needed with a Sector Zero problem on a HDD

  - by Jay Robins

  Left my computer (running XP) copying files to an external drive. Came back a few hours later, and the laptop was pretty hot and had frozen (Ironic aint it). Forced a reboot, and the laptop HDD hasnt worked since. Set it up in an external enclosure, but XP cant mount the HDD to a drive letter, but is able to recognize the manufacturer and drive size (Hitachi-320GB). No noise or rattling when the drive is spinning, but I cant get anything off of it, since i cant mount it, or see much of anything. Computer repair shop ran some software tests and says it came back with a "Zero Sector bad" message, and need to send it to a professional data recovery service. Any other options or ideas, before I have to spend thousands of dollars to recover my data? Any help would be GREATLY appreciated!!! I'm desperate and a poor student! Thanks in Advance, -Jay

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• Attend MySQL Webinars This Week

  - by Bertrand Matthelié

  Interested in learning more about MySQL as embedded database? In building highly available MySQL applications with MySQL and DRBD? Join our webinars this week! All information below. Tuesday next week (November 20) we will provide an update about what's new in MySQL Enterprise Edition. We have live Q&A during the webinars so you'll get the chance to ask all your questions. Top 10 Reasons to Use MySQL as an Embedded Database Tuesday, November 13 9:00 a.m. PT Review the top 10 reasons why MySQL is technically well-suited for embedded use, as well as the related business reasons vendors choose MySQL initially, over time, and across product-lines. Register for the Webcast. MySQL High Availability with Distributed Replicated Block Device Thursday, November 15 9:00 a.m. PT Learn how to build highly available services with MySQL and distributed replicated block device (DRBD). The DRBD high-availability solution comprises a complete stack of open source software that delivers high-availability database clusters on commodity hardware, with the option of 24/7 support from Oracle. Register for the Webcast. Technology Update: What's New in MySQL Enterprise Edition Tuesday, November 20 9:00 a.m. PT Find out what's new in MySQL Enterprise Edition. Register for the Webcast.

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• Convert audio file to FLAC with ffmpeg?

  - by elpsk

  can I convert one of this format to compatible 16000.0 Sample Rate FLAC file? kAudioFormatLinearPCM = 'lpcm', kAudioFormatAppleIMA4 = 'ima4', kAudioFormatMPEG4AAC = 'aac ', kAudioFormatMACE3 = 'MAC3', kAudioFormatMACE6 = 'MAC6', kAudioFormatULaw = 'ulaw', kAudioFormatALaw = 'alaw', kAudioFormatMPEGLayer1 = '.mp1', kAudioFormatMPEGLayer2 = '.mp2', kAudioFormatMPEGLayer3 = '.mp3', kAudioFormatAppleLossless = 'alac' I tried using ffmpeg ffmpeg -i audio.xxx -acodec flac audio.flac but result is FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard Mac OSX universal build for ffmpegX configuration: --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264 libavutil version: 49.0.0 libavcodec version: 51.9.0 libavformat version: 50.4.0 built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250) Input #0, wsaud, from 'audio.alac': Duration: 00:00:03.8, start: 0.000000, bitrate: 199 kb/s Stream #0.0: Audio: adpcm_ima_ws, 24931 Hz, stereo, 199 kb/s Unable for find a suitable output format for 'audio.flac' I also installed flac codec for mac, but nothing... I tried also use convtoflac.sh (from http://legroom.net/software/convtoflac) but result is similar. Any idea to convert in flac?

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• Export a single layer as an image in Photoshop

  - by wrburgess

  I have a lot of designers send me layered PSDs of their designs and I need to break out the pieces of the designs to place on web pages. I can do a decent number of things in Photoshop, but I'm hardly efficient with it. My old way of just copying the image that's in a layer and pasting into a new image seems to take forever as I screw around with cropping and such. I've got Photoshop CS5, so I don't need external software to do anything, but I just need to figure out how to take a single layer, that may hold something small like an icon, and export it as a PNG or JPG. I am aware of the script called "Export Layers to Files" but it took about an hour and exported ALL of my layers to a huge number of files. I wasn't looking for a solution that broad. Is there an easy way to do this?

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• How to practice object oriented programming?

  - by user1620696

  I've always programmed in procedural languages and currently I'm moving towards object orientation. The main problem I've faced is that I can't see a way to practice object orientation in an effective way. I'll explain my point. When I've learned PHP and C it was pretty easy to practice: it was just matter of choosing something and thinking about an algorithm for that thing. In PHP for example, it was matter os sitting down and thinking: "well, just to practice, let me build one application with an administration area where people can add products". This was pretty easy, it was matter of thinking of an algorithm to register some user, to login the user, and to add the products. Combining these with PHP features, it was a good way to practice. Now, in object orientation we have lots of additional things. It's not just a matter of thinking about an algorithm, but analysing requirements deeper, writing use cases, figuring out class diagrams, properties and methods, setting up dependency injection and lots of things. The main point is that in the way I've been learning object orientation it seems that a good design is crucial, while in procedural languages one vague idea was enough. I'm not saying that in procedural languages we can write good software without design, just that for sake of practicing it is feasible, while in object orientation it seems not feasible to go without a good design, even for practicing. This seems to be a problem, because if each time I'm going to practice I need to figure out tons of requirements, use cases and so on, it seems to become not a good way to become better at object orientation, because this requires me to have one whole idea for an app everytime I'm going to practice. Because of that, what's a good way to practice object orientation?

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• Highly SEO optimised forum posts

  - by Tom Gullen

  Given the following forum post: Basics of how internals of Construct work I've used GameMaker in the past. And I know some C++ and have used a few 3d engines with it. I have also looked at Unity, though I didn't get too much into it. So I know my way around programming etc... My question is, how does construct work internally? I know it allows python scripting, which itself is "technically" interpreted, though python is pretty fast as far as being interpreted goes. But what about the rest? Is the executable that gets cre... The forum software will take the first 150 chars of the first post as the page meta description, and the title will be the thread title. All ok. So in Google it will appear as: Basics of how internals of Construct work I've used GameMaker in the past. And I know some C++ and have used a few 3d engines with it. I have also looked at Unity, though I didn't get too much... http://www.domain.com/forum/basics-of-how-internals-of-construct-work.html Now the problem is (not so much with this thread, but other ones) is the first 150 chars don't always create the best meta description. Is it worth my time to cherry pick threads and manually set their description/title tags so they read like: Internal workings of Construct 2 Events aren't converted to any other language. The runtime is a standalone compiled EXE application, which is optimised and actually very fast. Your events... http://www.domain.com/forum/basics-of-how-internals-of-construct-work.html The H1 on the page is still the original title, but we have overridden the title and description to look more friendly on search results. Is this advantageous forgetting the obvious time cost?

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• How best to backup 6x Win2k3 Servers

  - by saille

  We have a external HP LTO3 tape drive. It needs to backup 6 Windows 2003 machines every night. Servers are HP DL380 G3 and the tape drive is attached locally to one of them via SCSI. On a budget of $0, and a goal of keeping-it-simple, what is going to be the best way to backup these machines? What software to use? NT Backup? Or does HP have something better for free? We don't need image backups - file system + system state will be adequate. Do we need to copy the files to be backed up onto the machine with the tape drive attached? Edit: Let me ask a more focussed question: Would you use NT Backup or something else? No soap boxing please, we've after some quick advice from someone who's used a similar setup.

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• Recovering OST file without profile

  - by Philippe

  We have a Microsoft Exchange Server 2007 and offer this solution to many customers. Recently, a customer had his personal Exchange server crash (which is what made him our customer). He called some technician to see if he could repair his server before calling us, but this said tech wasn't able to do anything for them. Now that all his mailbox are on our server, he would like to transfer his old emails over to the new profile, but the tech deleted all profiles on the client machines while trying to repair his Exchange server. So my customer still has the OST files but they are not related to any profiles. Is there any way to re-attach them to a profile, or to convert them into PST files that he could then import into his new profile? The only thing I found were third party software that could to the conversion, but I am wondering if Microsoft has any tools that could re-attach the OST to a new profile. I have also tried the scanpst.exe and scanost.exe to no avail. Thank you

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• How do I Connect a 30yr-old Tandy 1400LT laptop to the internet?

  - by Clemens Bergmann

  Just for the fun of it, I want to get an old Tandy 1400LT laptop: small monochrome display two floppy drives rs-232c connector "printer" connector connect the thing the internet and use it as an ssh terminal. How would I connect it to the internet? The software should be no problem as it is a 386 hardware. There should be a small linux distribution which can be run on it. But how would I phisically connect the hardware? It has no ethernet port. Has someone experience with Serial/Paralel-to-ethernet converters?

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• Design pattern for client/server sessions?

  - by nonot1

  Are there any common patterns or general guidance I can learn from for how to design a client/server system where the both the client and server must maintain some kind per-client session state? I've found any number of libraries that can help with some of the plumbing, but it's the overall design I'm wondering about. Open issues in my mind: How to structure the client/server communication so that bidirectional synchronous and asynchronous requests are possible? The server side needs to spawn a couple of per-connected-client session-long helper process. How to manage that? How to manage the mapping from a given client (and any of it's requests) to server state and helper process instances in the face of multiple clients and intermittent network connectivity. Most communication can be simple blocking request/reply, but some will be long running processing tasks that the client will want to keep tabs on. To the extent that it matters, the platform is Linux/C/C++. Not web based. Just an existing thick-client software app being modified to talk to backend servers for some tasks.

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• Playing Age of Empires II multiplayer in VirtualBox Over wi fi network

  - by Gaurav_Java

  I installed Age of Empires II (Expansion) in VirtualBox (hosting Windows XP). It works great in single player mode. Unfortunately, I tried playing multiplayer via WI-FI which I created on my Ubuntu machine and can't seem to join games. But when I connected to my WI-FI router other able to connect to my system and we can play multiplayer mode This is what I've done so far to try to resolve the issue: I noticed that the IP address of my virtual machine was 10.0.x.x, While the local IP on Ubuntu is 192.168.x.x, which I figured was a Problem. So I changed from NAT networking to bridged networking in VirtualBox . I turned off the Windows firewall in the virtual machine and don't have any ports blocked by Ubuntu, so no software firewall should be at fault. However I'm still unable to play multiplayer games, and suspect that some kind of networking issue lies at the heart of the problem. I'm not sure what else I would need to change, however. So essentially I was wondering if anyone else here has managed to play AOE2, or any similar game, inside VirtualBox from Ubuntu, and if so what you needed to do to make it possible. Or if anyone has suggestions on where else to look to figure out the problem, I'd appreciate that as well. Unfortunately AOE2 itself doesn't provide any debugging information to troubleshoot the inability to connect to network games. Here MY IP result both for Ubuntu and Virtualbox XP I want to play game on multiplayer mode in virtualbox on my system(Own Created on Ubuntu ) wi-fi on which other can connect and play hope someone will answer this

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• Use IIS express in Visual studio sp1

  - by anirudha

  many developer thing to adopt IIS express aka Webmatrix to use inside visual studio. that the feature of Visual studio service pack 1. the visual studio 2010 sp1 allow developer to use webmatrix inside the visual studio. the developer can choose one of Visual studio development server or Webmatrix. the visual studio service pack 1 launch today but i am not recommended them because it’s in beta. if you use them then you may be in a big trouble because beta’s fundamental we all know. don’t be fool by installing them because they not tell you about both thing pros and cons. the stable version of visual studio is Visual studio who can be obtained from Microsoft download center not service pack 1. so beware to use unstable version. this is not browser then we have 3 option 1. chrome 2. firefox  3. Microsoft internet explorer [fool] because this is IDE and we have only one that can be problem if they work not well. the service pack 1 always changes your installation for visual studio Express edition [tool such as VWD or VCS express] if you already have them  i means service pack 1 then share your experience with us! if not that don’t look on Microsoft website blogs because they never tell you pros and cons of their software.

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• Is defining every method/state per object in a series of UML diagrams representative of MDA in general?

  - by Max

  I am currently working on a project where we use a framework that combines code generation and ORM together with UML to develop software. Methods are added to UML classes and are generated into partial classes where "stuff happens". For example, an UML class "Content" could have the method DeleteFromFileSystem(void). Which could be implemented like this: public partial class Content { public void DeleteFromFileSystem() { File.Delete(...); } } All methods are designed like this. Everything happens in these gargantuan logic-bomb domain classes. Is this how MDA or DDD or similar usually is done? For now my impression of MDA/DDD (which this has been called by higherups) is that it severely stunts my productivity (everything must be done The Way) and that it hinders maintenance work since all logic are roped, entrenched, interspersed into the mentioned gargantuan bombs. Please refrain from interpreting this as a rant - I am merely curious if this is typical MDA or some sort of extreme MDA UPDATE Concerning the example above, in my opinion Content shouldn't handle deleting itself as such. What if we change from local storage to Amazon S3, in that case we would have to reimplement this functionality scattered over multiple places instead of one single interface which we can provide a second implementation for.

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• Who moved this PC here aka Locate which port on switch a PC is plugged into

  - by ggonsalv

  The catch is you have no SNMP access, not even public. The end vision is locate a PC in building easily even if PC's are moved around. The MAC address of the PC is known and the software would run as client on each desktop, reporting back which port the PC was plugged into. Well from a programmer perspective, my network skills are not the best. Yes I could use SNMP, download the MAC port table, load it into SQL, match it to the PC name. Seems alot of work. Lets say I ping a single point from the PC. Would the echo have some thing unique for each device on the same switch? All I need to identify some thing unique for each PC plugged into each port. If the PC was moved from location A to a different location then the unique response would change.

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• What is the ideal length of a method?

  - by iPhoneDeveloper

  In object-oriented programming, there is no exact rule on the maximum length of a method , but I still found these two qutes somewhat contradicting each other, so I would like to hear what you think. In Clean Code: A Handbook of Agile Software Craftsmanship, Robert Martin says: The first rule of functions is that they should be small. The second rule of functions is that they should be smaller than that. Functions should not be 100 lines long. Functions should hardly ever be 20 lines long. and he gives an example from Java code he sees from Kent Beck: Every function in his program was just two, or three, or four lines long. Each was transparently obvious. Each told a story. And each led you to the next in a compelling order. That’s how short your functions should be! This sounds great, but on the other hand, in Code Complete, Steve McConnell says something very different: The routine should be allowed to grow organically up to 100-200 lines, decades of evidence say that routines of such length no more error prone then shorter routines. And he gives a reference to a study that says routines 65 lines or long are cheaper to develop. So while there are diverging opinions about the matter, is there a functional best-practice towards determining the ideal length of a method for you?

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• Can't access some websites with any browser

  - by Charles Kingsmill

  I'm running Windows 7 64-bit on a new Samsung laptop and accessing the internet okay via ethernet cable to my university's ISP. Some sites work fine (e.g. google.com) but I can't access others at all (microsoft.com, topshop.com). I can't connect to those sites in safe mode with networking. And ping and tracert both fail. There's no proxy. Other users can connect successfully to these sites using my cable and socket. I've tried all the following with no success: using various browsers (IE9, FF, Chrome) creating a new user updating drivers clearing the DNS cache using OpenDNS and Google's DNS turning off Avast tweaking the MTU running MS malicious software removal tool running Spybot S&D reviewing the hosts file disabling the IPv6 options repairing / resetting winsock settings disabling advanced javascript options I have run out of ideas... can anyone see anything I've missed??!

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• SAP Applications Certified for Oracle SPARC SuperCluster

  - by Javier Puerta

  SAP applications are now certified for use with the Oracle SPARC SuperCluster T4-4, a general-purpose engineered system designed for maximum simplicity, efficiency, reliability, and performance. "The Oracle SPARC SuperCluster is an ideal platform for consolidating SAP applications and infrastructure," says Ganesh Ramamurthy, vice president of engineering, Oracle. "Because the SPARC SuperCluster is a pre-integrated engineered system, it enables data center managers to dramatically reduce their time to production for SAP applications to a fraction of what a build-it-yourself approach requires and radically cuts operating and maintenance costs." SAP infrastructure and applications based on the SAP NetWeaver technology platform 6.4 and above and certified with Oracle Database 11g Release 2, such as the SAP ERP application and SAP NetWeaver Business Warehouse, can now be deployed using the SPARC SuperCluster T4 4. The SPARC SuperCluster T4-4 provides an optimized platform for SAP environments that can reduce configuration times by up to 75 percent, reduce operating costs up to 50 percent, can improve query performance by up to 10x, and can improve daily data loading up to 4x. The Oracle SPARC SuperCluster T4-4 is the world's fastest general purpose engineered system, delivering high performance, availability, scalability, and security to support and consolidate multi-tier enterprise applications with Web, database, and application components. The SPARC SuperCluster T4-4 combines Oracle's SPARC T4-4 servers running Oracle Solaris 11 with the database optimization of Oracle Exadata, the accelerated processing of Oracle Exalogic Elastic Cloud software, and the high throughput and availability of Oracle's Sun ZFS Storage Appliance all on a high-speed InfiniBand backplane. Part of Oracle's engineered systems family, the SPARC SuperCluster T4-4 demonstrates Oracle's unique ability to innovate and optimize at every layer of technology to simplify data center operations, drive down costs, and accelerate business innovation. For more details, refer to Our press release Datasheet: Oracle's SPARC SuperCluster T4-4 (PDF) Datasheet: Oracle's SPARC SuperCluster Now Supported by SAP (PDF) Video Podcast: Oracle's SPARC SuperCluster (MP4)

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