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  • Monitor and Control Memory Usage in Google Chrome

    - by Asian Angel
    Do you want to know just how much memory Google Chrome and any installed extensions are using at a given moment? With just a few clicks you can see just what is going on under the hood of your browser. How Much Memory are the Extensions Using? Here is our test browser with a new tab and the Extensions Page open, five enabled extensions, and one disabled at the moment. You can access Chrome’s Task Manager using the Page Menu, going to Developer, and selecting Task manager… Or by right clicking on the Tab Bar and selecting Task manager. There is also a keyboard shortcut (Shift + Esc) available for the “keyboard ninjas”. Sitting idle as shown above here are the stats for our test browser. All of the extensions are sitting there eating memory even though some of them are not available/active for use on our new tab and Extensions Page. Not so good… If the default layout is not to your liking then you can easily modify the information that is available by right clicking and adding/removing extra columns as desired. For our example we added Shared Memory & Private Memory. Using the about:memory Page to View Memory Usage Want even more detail? Type about:memory into the Address Bar and press Enter. Note: You can also access this page by clicking on the Stats for nerds Link in the lower left corner of the Task Manager Window. Focusing on the four distinct areas you can see the exact version of Chrome that is currently installed on your system… View the Memory & Virtual Memory statistics for Chrome… Note: If you have other browsers running at the same time you can view statistics for them here too. See a list of the Processes currently running… And the Memory & Virtual Memory statistics for those processes. The Difference with the Extensions Disabled Just for fun we decided to disable all of the extension in our test browser… The Task Manager Window is looking rather empty now but the memory consumption has definitely seen an improvement. Comparing Memory Usage for Two Extensions with Similar Functions For our next step we decided to compare the memory usage for two extensions with similar functionality. This can be helpful if you are wanting to keep memory consumption trimmed down as much as possible when deciding between similar extensions. First up was Speed Dial”(see our review here). The stats for Speed Dial…quite a change from what was shown above (~3,000 – 6,000 K). Next up was Incredible StartPage (see our review here). Surprisingly both were nearly identical in the amount of memory being used. Purging Memory Perhaps you like the idea of being able to “purge” some of that excess memory consumption. With a simple command switch modification to Chrome’s shortcut(s) you can add a Purge Memory Button to the Task Manager Window as shown below.  Notice the amount of memory being consumed at the moment… Note: The tutorial for adding the command switch can be found here. One quick click and there is a noticeable drop in memory consumption. Conclusion We hope that our examples here will prove useful to you in managing the memory consumption in your own Google Chrome installation. If you have a computer with limited resources every little bit definitely helps out. Similar Articles Productive Geek Tips Stupid Geek Tricks: Compare Your Browser’s Memory Usage with Google ChromeMonitor CPU, Memory, and Disk IO In Windows 7 with Taskbar MetersFix for Firefox memory leak on WindowsHow to Purge Memory in Google ChromeHow to Make Google Chrome Your Default Browser TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows iFixit Offers Gadget Repair Manuals Online Vista style sidebar for Windows 7 Create Nice Charts With These Web Based Tools Track Daily Goals With 42Goals Video Toolbox is a Superb Online Video Editor Fun with 47 charts and graphs

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  • How to create projection/view matrix for hole in the monitor effect

    - by Mr Bell
    Lets say I have my XNA app window that is sized at 640 x 480 pixels. Now lets say I have a cube model with its poly's facing in to make a room. This cube is sized 640 units wide by 480 units high by 480 units deep. Lets say the camera is somewhere in front of the box looking at it. How can I set up the view and projection matrices such that the front edge of the box lines up exactly with the edges of the application window? It seems like this should probably involve the Matrix.CreatePerspectiveOffCenter method, but I don't fully understand how the parameters translate on to the screen. For reference, the end result will be something like Johhny Lee's wii head tracking demo: http://www.youtube.com/watch?v=Jd3-eiid-Uw&feature=player_embedded P.S. I realize that his source code is available, but I am afraid I haven't been able to make heads or tails out of it.

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  • Use Enterprise Manager Cloud Control to monitor OBIEE 11.1.1.7.x Dashboards

    - by Torben Hein -Oracle
    (in via Senthil )  If your OBIEE 11.1.1.7.x is set up in the following way: The OBIEE repository is an Oracle Database and is set up as a data warehouse Usage tracking is enabled in OBIEE. ( For information on how to enable usage tracking in OBIEE, refer to the following link: Setting Up Usage Tracking in Oracle BI 11g ) The OBIEE instance is discovered in EM Cloud Control. ( For information on how to discover an OBIEE instance in Cloud Control, refer to the following link: Discovering Oracle Business Intelligence Instance and Oracle Essbase Targets ) The OBIEE repository is discovered in EM Cloud Control. ( For information on how to discover an Oracle database, refer to the following link: Discovering, Promoting, and Adding Database Targets ) then we've got news for you: KM Article:  OBIEE 11g: How To Diagnose Slowly Performing Dashboards using Enterprise Manager Cloud Control (Doc ID 1668236.1) takes you step by step through monitoring the SQL query performance behind your OBIEE dashboard. This Diagnostic approach ... .. will help you piece together information on BI dashboard performance, e.g. processing time from the different layers of the BI system including the repository. .. should enable you to get to the bottom of slow dashboards by using the wealth of information available in EM Cloud Control on OBIEE and Oracle DB. .. will NOT fix any performance issues on its own, but will help identify bottlenecks while processing dashboard requests. (layout and post: Torben, authorized: Lia)

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  • Manage and Monitor Identity Ranges in SQL Server Transactional Replication

    - by Yaniv Etrogi
    Problem When using transactional replication to replicate data in a one way topology from a publisher to a read-only subscriber(s) there is no need to manage identity ranges. However, when using  transactional replication to replicate data in a two way replication topology - between two or more servers there is a need to manage identity ranges in order to prevent a situation where an INSERT commands fails on a PRIMARY KEY violation error  due to the replicated row being inserted having a value for the identity column which already exists at the destination database. Solution There are two ways to address this situation: Assign a range of identity values per each server. Work with parallel identity values. The first method requires some maintenance while the second method does not and so the scripts provided with this article are very useful for anyone using the first method. I will explore this in more detail later in the article. In the first solution set server1 to work in the range of 1 to 1,000,000,000 and server2 to work in the range of 1,000,000,001 to 2,000,000,000.  The ranges are set and defined using the DBCC CHECKIDENT command and when the ranges in this example are well maintained you meet the goal of preventing the INSERT commands to fall due to a PRIMARY KEY violation. The first insert at server1 will get the identity value of 1, the second insert will get the value of 2 and so on while on server2 the first insert will get the identity value of 1000000001, the second insert 1000000002 and so on thus avoiding a conflict. Be aware that when a row is inserted the identity value (seed) is generated as part of the insert command at each server and the inserted row is replicated. The replicated row includes the identity column’s value so the data remains consistent across all servers but you will be able to tell on what server the original insert took place due the range that  the identity value belongs to. In the second solution you do not manage ranges but enforce a situation in which identity values can never get overlapped by setting the first identity value (seed) and the increment property one time only during the CREATE TABLE command of each table. So a table on server1 looks like this: CREATE TABLE T1 (  c1 int NOT NULL IDENTITY(1, 5) PRIMARY KEY CLUSTERED ,c2 int NOT NULL ); And a table on server2 looks like this: CREATE TABLE T1(  c1 int NOT NULL IDENTITY(2, 5) PRIMARY KEY CLUSTERED ,c2 int NOT NULL ); When these two tables are inserted the results of the identity values look like this: Server1:  1, 6, 11, 16, 21, 26… Server2:  2, 7, 12, 17, 22, 27… This assures no identity values conflicts while leaving a room for 3 additional servers to participate in this same environment. You can go up to 9 servers using this method by setting an increment value of 9 instead of 5 as I used in this example. Continues…

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  • How to config multiple monitor with optimus?

    - by irrational
    I have an Acer Aspire 8951G running 12.04 Pangolin with bumblebee working beautifully. My problem is that when I connect either the VGA port or the HDMI to my projector there is no way I can see to properly set up the resolutions or colours. The default basic display driver sees the projector correctly, but messes up colours and resolutions (on hdmi) and resolutions on VGA. (Its a 1280 X 720 projector) Am I missing some sort of Xorg configuration? nvidia-xconfig does not seem to exist and running optirun nvidia-settings -c :8 opens the settings, but of course only for the one display. I just want a way to set a default config for my projector via VGA or preferably HDMI. Any help would be wonderful.

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  • 12.04.1 desktop monitor "Out of Range"

    - by Zach
    I know this question has been asked many-a-times, but I cant seem to get a definite answer to it. I am running 12.04.1 on my HP Pavillion a6 109n PC. Processor is a AMD Athlon 64 x2 Dual core Processor. Every time I boot up my desktop, it runs BIOS, then it boots up Linux. After about 10 seconds, a little blue screen comes up saying: Out of Range: H. Frequency: 92.7KHz V. Frequency: 58.3Hz Can anyone help with this?

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  • SQL Monitor and "The Cloud"

    - by Richard Mitchell
    So, how can we demo this thing? In the beginning there was a product, and it was a good product for the testers had decreed it so, and nobody argues with a tester. But then comes the inevitable question of how can somebody test it out without risk. Red Gate prides itself on the tools being easy for people to trial before they buy, and no cut down trial for you sir, oh no, for you sir only the best will do - a fully functional trial - suits you sir. The problem The problem comes when you get a...(read more)

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  • Monitor network connectivity in WP7 apps

    - by Daniel Moth
    Most interesting Windows Phone apps rely on some network service for their functionality. So at some point in your app you may need to know programmatically if there is network connection available or not. For example, the Translator by Moth app relies on the Bing Translation service for translations. When a request for translation (text or voice) is made, the network call may fail. The failure reason is not evident from any of the return results, so I check the connection to see if it is present. Dependent on that, a different message is shown to the user. Before the translation phase is even reached, at the app start up time the Bing service is queried for its list of  languages; in that case I don't want to show the user a message and instead want to be notified when the network is available in order to send the query out again. So for those two requirements (which I imagine are common in other apps) I wrote a simple wrapper MyNetwork static class to the framework APIs: Call once MyNetwork.MonitorNetworkAvailability() method so it monitors the network change At any time check the MyNetwork.IsConnected property to check for network presence Subscribe to its MyNetwork.ConnectionEstablished event Optionally, during debugging use its MyNetwork.ChangeStatus method to simulate a change in network status As usual, there may be better ways to achieve this, but this class works perfectly for my scenarios. You can download the code here: MyNetworks.cs. Comments about this post welcome at the original blog.

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  • Reminder: ATG Live Webcast Feb. 24th: Using the R12 EBS Adapter

    - by Bill Sawyer
    Reminder: Our next ATG Live Webcast is happening on 24-Feb. The event is titled:E-Business Suite R12.x SOA Using the E-Business Suite AdapterThis live one-hour webcast will offer a review of the Service Oriented Architecture (SOA) capabilities within E-Business Suite R12 focusing on the E-Business Suite Adapter. While primarily focused on integrators and developers, understanding SOA capabilities is important for all E-Business Suite technologists and superusers.

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  • How to properly install libsvm-3.11?

    - by Gomathi
    I'm using libvm-3.11. I downloaded it at http://www.csie.ntu.edu.tw/~cjlin/libsvm/ and extracted. Then I set path in Matlb. After that whenever I run my program, it gives the same error always. ??? Invalid MEX-file 'E:\Gomu\Gomu General\final yr Project\proj\libsvm-3.11\windows\svmtrain.mexw32': The specified module could not be found. . Error in == trysvm at 6 svmStruct = svmtrain(T,TrainMat,'showplot',true); What should I do?

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  • how to reset monitor display settings

    - by vector
    On Ubuntu 12.4 laptop with Gnome desktop, I tried to set an additional display through Catalyst (administrative) and slowly ended up making making a mess out of the whole thing. I tried several combinations of settings and at each iterration I just made things worse, ending up with 'mail battery sound time user power' icons repeating on the top bar. Now I'm lost as to how to restore everything to default settings.

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  • wine 1.4 regedit makes screen flicker on 12.04 with dual monitor setup

    - by s1lv3r
    I have a dualmonitor setup running dual 23" on 1920x1080 which has the following problem: When running any wine application (for example "wine regedit" from console) the screen flickers and the windows have artifacts like this: Also sometimes taking a screenshot using the print key will make compiz crash (starter and all window bars/menus are gone) when an wine application is started. I don't have the same problems on my notebook which has the same setup. Only difference is the notebook has ATI Graphics and this PC has nvidia. This is the output of lshw -c video: *-display Beschreibung: VGA compatible controller Produkt: G72 [GeForce 7300 LE] Hersteller: NVIDIA Corporation Physische ID: 0 Bus-Informationen: pci@0000:07:00.0 Version: a1 Breite: 64 bits Takt: 33MHz Fähigkeiten: pm msi pciexpress vga_controller bus_master cap_list rom Konfiguration: driver=nvidia latency=0 Ressourcen: irq:16 memory:fa000000-faffffff memory:d0000000-dfffffff memory:fb000000-fbffffff memory:fce00000-fce1ffff I also noticed that running xrandr from console makes the screen flicker for some seconds on this PC, which also doesn't happen on my notebook. Removing one screen from the setup will stop the flickering and the artifacts inside the wine applications from appearing. Does anybody have an advice what I could try to change to make this work?

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  • Ubuntu 12.04 and KDE, graphical temperature monitor for GPU

    - by Frank
    I have ubuntu 12.04 and KDE. I already installed "lm-sensors", "hardware sensors indicator" and "Psensors" but none works well for me. I also know a couple of commands to find gpu temperature on terminal but I don't need that, I need a graphical application that works with kde to use. Do you know something that helps me? My card is MSI R6870 Hawk (from ATI original HD6870) and I have fglrx drivers Thanks

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  • Dual monitor, with a low resolution projector

    - by user900978
    I need to show a presentaion to a conference tomorrow. Today I tryed my Ubuntu 10.04 with the projector. My notebook has a resolution of 1440x960, the projector seems to have a really lower resolution. However, thanks to nvidia-settings I configured my video card (a nvidia 9800), it works with other display, but not with the projector. I found the projector, configured as Twin-view, resolution Auto and pressed on Apply, then "Save to x Configuration". On projector is visualized just a quarter of my notebook display. I tryed also to reduce my resolution and to change the resolution of projector, but I obtained no better results. How can I Solve it? On windows all goes well, but I need Ubuntu for personal reasons. Thanks in advance

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  • Dual monitor working incorrectly on a Dell XPS 8300 with an AMD Radeon HD 6450

    - by John
    I have been having trouble with Ubuntu on my Dell XPS 8300 (Actual image of the desktop). I have heard that the AMD Radeon HD 6450 has trouble with Ubuntu, and I believe that it is the source of the problem (though I am no expert by any means). When I boot the computer and choose to run Ubuntu, on a rare occasion both monitors (I have an AOC and a Samsung) will display their correct desktops, however most of the time, one of the desktops will be shifted away from its proper position and awkwardly positioned on the screen (showing the login box in the middle/right etc). If anyone has any advice on how to fix this, that would be greatly appreciated.

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  • How to proceed when a bug in open source libraries is suspected?

    - by Suma
    We are using some open source libraries in our projects. Sometimes there are some issues found in some of them (most likely library bugs, but it may also be a wrong usage from our side, especially when sometimes documentation is not exactly 100 % complete). As the libraries are often quite complex, debugging them to pinpoint the source of the problem is sometimes quite hard. Can you help me to summarize what other options are there and how to exactly proceed with them? I have just recently hit some strange problems when using TCMalloc (Google scalable memory allocator) on Windows, so I would most welcome answers which would apply to this particular library, but more general answers are good as well. 1) Ask the maintainer/owner of the project for assistance. How can this be done? 2) Hire someone to identify and fix the issue. How to do this? How can I find someone with enough expertise in some particular library? ... any other options?

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  • Dual Monitor 'How To' for 12.04

    - by Kim Prince
    I recently built my own PC and was delighted with the result, except for a problem with dual monitors. After having tried a few different combinations of hardware, I think what I really need is a 'how to' explanation. My motherboard is an MSI Z77MA-G45, which has an analogue, a DVI, and a HDMI port. Initially I hooked monitors up to the DVI and analogue port and it seemed to work fine. Both screens worked independently of each other, it was great. After a few days I started turning my PC off at night, and when I tried to turn it back on it would boot into the terminal mode. I would have to turn one of the monitors off and after rebooting a few times, it would eventually boot into an X Window session. Occasionally I would see an error relating to Xorg. I upgraded the motherboard BIOS but that made no difference. Eventually, I installed a graphics card - an NVIDIA GeForce GT 520. Now it seems that my on board graphics have been disabled completely, and I am reliant on the graphics card. Furthermore, the graphics card seems to only recognise one screen at a time. (The first time I rebooted with both plugged in, it flashed up a message saying that it was auto-selecting DVI). Anyhow, I think I need some 'how to' (or perhaps 'where to'), from here. For example, is X Windows configuration the next place to look? And how do I go about configuring X Windows? (Note that in Systems Settings it says my graphics driver is 'unknown', and when I ask it to detect monitors, it sees only the one!)

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