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  • How to determine the amount to spend per phrase on Adwords research?

    - by Anonymous -
    My company would like to start a PPC advertising campaign. Whilst I understand the concept and how to set everything up from a technical point of view, this is something I've never done before. Logically, we'd like to test out a wide range of keywords that we think would lead to conversions, which we've put together through brainstorming and with some help from Google's External Keyword Tool. Sub-question whilst I remember - am I correct in thinking that in Google's keyword tool, keywords that we think will perform well that have a low competition yet high monthly searches are good since there will be less advertisers, meaning our bid per click will be less? Is there a common benchmark or process of doing a round of tests with keywords? Should we wait for 100 clicks on each keyword, see which ones have lead to the most sales (or rather, sales that are sustainable with the cost per click of that keyword), then drop the ones which aren't converting and put that budget onto the converting keywords? We realistically have a few hundred keywords/phrases we would like to test, but spending $100 per keyword/phrase is going to work out as quite an expensive test. It would be nice to be able to spend $5-10 per phrase, but I don't think the sample size would be great enough to determine anything usefully reliable. Another approach might be to setup all the keywords, and those that bring the most sales within x hours/days would be the ones we use. What is the common procedure with things like this? I know there are a plethora of companies that specialize in exactly this, but this is something we anticipate doing a lot in the future, so it would make sense to do it in house if at all possible.

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  • Random touchpad and keyboard freezes on new 10.10 installation

    - by ancaleth
    My touchpad and keyboard freeze up on my newly installed Ubuntu 10.10. I was using Ubuntu 10.4 via wubi before on this Laptop where this problem never occurred. (I did not migrate wubi or upgrade to 10.10, it's a fresh start. 64-bit on Dell Studio, plenty of RAM, plenty of free space on partition etc.) I can't say there is a pattern yet, once it happened during the download of packages with the Update Manager, once it was just using Firefox, no other program running. I was forced to shut down manually. In between these crashes the laptop was booted once, updates were installed etc., firefox was used and there weren't any problems. Both crashes should be in the attached kern.log and I noticed there were some error problems before the last crash (at the end, obviously). It seems the wireless was experiencing problems. This wasn't noticed on the user end, since the touchpad + keyboard were already frozen. kern.log: http://paste.ubuntu.com/552617/ How can the freezes be fixed?

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  • Grub problem - Command prompt

    - by RhZ
    Update: Thanks to all who helped. I gave up and am going to re-install. Not the end of the world, no files will be lost :-) This time will be backing up grub haha. Thanks again, I really appreciate the community's help on this. I was going along fine when the new pae kernel came down, and it had some bug where the sound was all messed up. So I used startup manager to choose the older pae kernel and rebooted. But startupmanager must have fuXXored my grub. When I re-booted, I get thrown directly into memtest and thats it. I tried to re-install grub using the live disc method that I found in many places. That changed something so I get a prompt and the message: "GNU grub version 1.99 ubuntu. Minimal BASH-like editing is supported. Type help for complete list." But then I tried the live CD fix again and now am back at the memtest... What can I do to get my system running again? UPDATE: Just to be clear,when I start up I get a blinking cursor in the top left, and the word 'ON' in the middle of the screen. Then, after a good minute or two, the memtest starts.

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  • ksoftirqd uses 100% cpu

    - by andy
    I am running 32bit Ubuntu 10.04. A lot of the times ksoftirqd/0 or ksoftirqd/1 start using up 100% CPU for no apparent reason, and I am forced to reboot my laptop. Incidentally this also happens when I maximize my (youtube) videos on Chrome and Fireox, but once I un-maximize the videos the CPU usage goes down to the original levels. Any ideas what it going on? --- Addendum --- dmesg produces a ~2000 line output. I searched for 'error' and 'warning' in the output, and here are the relevant lines (along with some headers): [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 2.6.32-21-generic (buildd@yellow) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #32-Ubuntu SMP Fri Apr 16 08:09:38 UTC 2010 (Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2) [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=157dcfda-acd6-4d1b-a6a8-ff9ccff61906 ro quiet splash [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] BIOS-provided physical RAM map: [ 24.775546] EXT3-fs warning: mounting fs with errors, running e2fsck is recommended [44920.210518] ata1: SError: { PHYRdyChg CommWake 10B8B Dispar LinkSeq TrStaTrns } [44920.210531] res 40/00:00:f0:4b:7f/00:00:18:00:00/40 Emask 0x10 (ATA bus error) [58673.134623] chrome[20101]: segfault at 7f38bc4ad000 ip 00007f38be769ecc sp 00007fff24616850 error 4 in libpepflashplayer.so[7f38bdc08000+e55000] [ 24.775546] EXT3-fs warning: mounting fs with errors, running e2fsck is recommended [44920.210531] res 40/00:00:f0:4b:7f/00:00:18:00:00/40 Emask 0x10 (ATA bus error)

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  • Tumblr custom domain not redirecting properly

    - by Manic
    I decided to host my blog at Tumblr, using their custom domain setup (http://blog.smokingfishgames.com/ instead of http://smokingfishgames.tumblr.com). However, it's been 72 hours and I'm still getting spotty redirection. It works some of the time--I go and see the page and blog, and it's all fine. However, it occasionally just stops working and redirects back to my web host, which is a directory with nothing but a single file called BUGGER.html (which I stuck in to make sure that it was my web host and not some Tumblr empty directory). Clearing the Chrome DNS cache makes the problem go away--for a while. After a few minutes, or an hour, or however long, I'll start seeing BUGGER.html again. I clear the cache, and poof, the blog shows up. The thing that's curious to me is that when I clear the cache and get BUGGER.html again (which happens occasionally), I can look at my Chrome DNS cache and see assets.tumblr.com UNSPECIFIED blog.smokingfishgames.com UNSPECIFIED www.tumblr.com UNSPECIFIED IP addresses and expiration times omitted for brevity's sake--if they're important I'm sure I can replicate the issue. This implies, to me anyway, that my browser is reaching Tumblr but getting bounced back to my web host. Any reason why this would be happening, or is this a normal symptom of DNS propagation? If it is a problem, should I be bothering Tumblr or my host with it, or is this something I can fix myself?

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  • How do I make my character slide down high-angled slopes?

    - by keinabel
    I am currently working on my character's movement in Unity3D. I managed to make him move relatively to the mouse cursor. I set a slope limit of 45°, which does not allow the character to walk up the mountains with higher degrees. But he can still jump them up. How do I manage to make him slide down again when he jumped at places with too high slope? Thanks in advance. edit: Code snippet of my basic movement. using UnityEngine; using System.Collections; public class BasicMovement : MonoBehaviour { private float speed; private float jumpSpeed; private float gravity; private float slopeLimit; private Vector3 moveDirection = Vector3.zero; void Start() { PlayerSettings settings = GetComponent<PlayerSettings>(); speed = settings.GetSpeed(); jumpSpeed = settings.GetJumpSpeed(); gravity = settings.GetGravity(); slopeLimit = settings.GetSlopeLimit(); } void Update() { CharacterController controller = GetComponent<CharacterController>(); controller.slopeLimit = slopeLimit; if (controller.isGrounded) { moveDirection = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical")); moveDirection = transform.TransformDirection(moveDirection); moveDirection *= speed; if (Input.GetButton("Jump")) { moveDirection.y = jumpSpeed; } } moveDirection.y -= gravity * Time.deltaTime; controller.Move(moveDirection * Time.deltaTime); } }

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  • exception occurred for backend host '127.0.0.1/7001/7001': 'CONNECTION_REFUSED [os error=0, line 1715 of URL.cpp]: Error connecting to host 127.0.0.1:7001'

    - by Vijaya Moderator -Oracle
    When you hit the WLS Server via Proxy server, we may get the issue like below... [09/Jun/2014:06:05:50] failure ( 3284): for host 127.0.0.1 trying to GET /.../soundlink_wireless_​speaker/index.jsp, wl-proxy reports: exception occurred for backend host '127.0.0.1/7001/0': 'PROTOCOL_ERROR [line 835 of URL.cpp]: Backend Server not responding' [09/Jun/2014:06:05:50] failure ( 3284): for host 127.0.0.1 trying to GET /.../soundlink_wireless_​speaker/index.jsp, wl-proxy reports: exception occurred for backend host '127.0.0.1/7001/0': 'PROTOCOL_ERROR [line 835 of URL.cpp]: Backend Server not responding' [09/Jun/2014:06:05:51] failure ( 3284): for host 127.0.0.1 trying to GET /.../soundlink_wireless_​speaker/index.jsp, wl-proxy reports: exception occurred for backend host '127.0.0.1/7001/7001': 'CONNECTION_REFUSED [os error=0, line 1715 of URL.cpp]: Error connecting to host 127.0.0.1:7001' To solve the issue 1.  Check if there is any issue at the firewall by executing the below command     telnet 127.0.0.1 7001 2.  Also access  using the hostname instead of IP Address  If it errors out like below   Microsoft Telnet> o 127.0.0.1 7001 connecting to 127.0.0.1  Warning thrown at weblogic console: <BEA-000449> <Closing socket as no data read from it on 127.0.0.1:54,356 during the configured idle timeout of 5 secs>  Test the same again by disabling the firewall. Below are the steps... 1)Go to Start ----> Run  2)Type services.msc  3)In services.msc search for "Windows Firewall" and Right Click on "Windows Firewall"---->Select Stop. 4)Access the Weblogic URL  If the issue is resolved after disabling firewall, Request your  OS System Admin to open the port 7001 at the firewall end to access the application

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  • Accessing second hard drive

    - by Jonathan
    So I recently installed Ubuntu 10.10 64-bit on my computer. I installed it on my 60gb SSD hard drive, and in the installation it never acknowledged the existence of my second hard drive. The hard drive that I keep all my files on, and which I want to make my home folder if I can, is a Western Digital Caviar Black 1TB SATA 6Gb/s 64MB cache (WD1002FAEX). I've read the following: https://help.ubuntu.com/community/Mount but honestly cannot work out how to access the hard drive from my Ubuntu installation. I did have Windows 7 64-bit prior to installing Ubuntu. I have backed up all the files on the hard drive, but if I could just access them straight off that would be super cool. Does anyone know how I can use the second hard drive? Thank you for your help EDIT: The following directories are currently in my /dev/ folder: ati/, block/, bsg/, bus/, char/, cpu/, isk/, input/, mapper/, net/, pktcdvd/, pts/, shm/, snd/, and usb/ EDIT: Result from sudo fdisk -l Disk /dev/sda: 60.0 GB, 60022480896 bytes 255 heads, 63 sectors/track, 7297 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000d2dfd Device Boot Start End Blocks Id System /dev/sda1 * 1 6994 56174592 83 Linux /dev/sda2 6994 7298 2438145 5 Extended /dev/sda5 6994 7298 2438144 82 Linux swap / Solaris @djeykib So very close to fixing it.. unfortunately on the last command you gave it says this: $ sudo apt-get install linux-lts-backport-natty Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package linux-lts-backport-natty Checking on http://www.ubuntuupdates.org/ppas reveals that it is only available for 10.04. Looks like I'll have to unplug and re-plug hardware if I want it working still :(

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  • XNA - 2D Rotation of an object to a selected direction

    - by lobsterhat
    I'm trying to figure out the best way of rotating an object towards the directional input of the user. I'm attempting to mimic making turns on ice skates. For instance, if the player is moving right and the input is down and left, the player should start rotating to the right a set amount each tick. I'll calculate a new vector based on current velocity and rotation and apply that to the current velocity. That should give me nice arcing turns, correct? At the moment I've got eight if/else statements for each key combination which in turn check the current rotation: // Rotate to 225 if (keyboardState.IsKeyDown(Keys.Up) && keyboardState.IsKeyDown(Keys.Left)) { // Rotate right if (rotation >= 45 || rotation < 225) { rotation += ROTATION_PER_TICK; } // Rotate left else if (rotation < 45 || rotation > 225) { rotation -= ROTATION_PER_TICK; } } This seems like a sloppy way to do this and eventually, I'll need to do this check about 10 times a tick. Any help toward a more efficient solution is appreciated.

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  • Bust Out these 13 Spooky Games for Halloween

    - by Jason Fitzpatrick
    Looking for a suitably spooky board game for Halloween? This roundup includes everything from the light-hearted to the dark and challenging. Over at GeekDad they’ve rounded up 13 horror/Halloween themed board games to help you fill your holiday board gaming quota. The list includes classics like the in-depth and atmospheric Arkham Horror to more recent and kid-friendly GeistesBlitz. Although we think their list is rock solid and includes some great titles, we’re disappointed to see that Witch of Salem, a great lighter-weight alternative to Arkham Horror for those nights you want some cooperative H.P. Lovecraft inspired play without the massive setup and game length, didn’t make the list. To check out the full GeekDad list hit up the link below, for more boardgame-centric reading we highly recommend the excellent board gaming site BoardgameGeek. 13 Spooky Board Games for Your Halloween Game Night [GeekDad] What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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  • Ubuntu black screen after Installation of 12.10 Live USB

    - by Lime0fHint
    My computer was made in 2004, but I'm sure it doesn't matter since it's a durable machine. So recently, I decided to breathe new life to it with Linux. I tried Lubuntu 12.10, Nope. Black screen after install. So I tried Ubuntu 12.10 when I gave up, and same exact thing. Except, this time I'm fighting for it, since Ubuntu is the best OS I've ever seen. So back on-topic, when I start the installation, it says that something is already mounted (Sda or something of the sorts) So I just figure that it's the Live USB I'm using. So I let it ignore it, and move on. The rest of the installation goes smooth, all looks fine. Then I get to the screen with the introductory to Ubuntu. Meanwhile, it's still installing, but finishing up. I'm not sure if the install actually finishes, but I do know that after a bit, the screen goes back to the desktop. The install closes and I'm back at the desktop, and the cursor is showing the "loading" symbol, as if it were still working. Then the screen goes black, with the same cursor. After that, nothing. I left it over night like that thinking it was doing something, in the morning it was still black with the cursor circling or whatever. So what could be causing this? One concern I have is that I have a Nvidia graphics card (7300 GT). I heard that Nvidia isn't compatible with Linux? I did notice that it was marked as unreconigsed by Ubuntu, so is that the problem perhaps?

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  • Moving away from PHP and running towards server-side JavaScript [on hold]

    - by Sosukodo
    I've decided to start moving away from PHP and server-side JavaScript looks like an attractive replacement. However, I'm having a hard time wrapping my head around how others are using Node.js for web applications. I'm currently using Lighttpd with FastCGI PHP. The one thing I like about PHP is that I can "inline" my scripts in the document like so: <?php echo 'Hello, World!'; ?> My question is: Is there any server-side JavaScript solution that I can use in this manor? For instance, I'd love to be able to do this: <?js print('Hello, World!'); ?> Is there such a thing? I'm not looking for opinions about "which is better". I just want to know what's out there and I'll explore each of them on my own. The important thing is that I'd like to use it like I demonstrated above. Links to the software along with implementation examples will be considered above other answers.

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  • JavaOne Countdown, Are you ready?

    - by Angela Caicedo
    This is a great time of the year!  Not only does the weather start cooling down a bit, but it's time to get ready for JavaOne 2012.  It feels so long since my last JavaOne (last year I missed it because I was on a mom duty), so this year I couldn't be happier to be this close to the action again.  Have you ever been at JavaOne?  There are a million great reasons to love JavaOne, and the most important for me is the atmosphere of the conference: The Java community is there, and Java is in the air! This year we have more than 450 sessions, and there are HOLs (Hands on labs) to get your hands dirty with code.  In addition, there will be very cool demos, an exhibition hall. and a DEMOground.  During the whole time, you will have the opportunity to interact with the speakers, discuss topics and concerns, and even have a drink! Oh yes, I almost forgot, there will be lots of fun even apart from the technology!  For example there will be a Geek Bike Ride, a Thirsty Bear party, and the Appreciation Party with Pearl Jam and Kings of Leon.  How can this get any better! So, are you ready yet?  Have you registered?  If not, just follow this "Register for JavaOne" link and we'll see you there! P.S.  Little known fact: If you are a student you can get your pass for free!!!

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  • Hosting and scaling a Facebook application in the cloud? [migrated]

    - by DhruvPathak
    We would be building a Facebook application in Django (Python), but still not sure of where to host it economically, and with a good provision to scale in case the app gets viral. Some details about the app: Would be HTML based like a website,using django as a framework. 100K is the number of expected pageviews in a day, if the app is viral. The users will not generate any media content, only some database data will be generated by them. It would be great if someone with more experience can guide on following points: A) Hosting on Google app engine or Amazon EC2 or some other cloud like RackSpace : Preferable points found in AppEngine were ease of deployment, cost effectiveness and easy scaling. For EC2: Full hold of the virtual machine,Amazon NoSQL and RDMBS database services in case we decide to use them. B) Does backend technology affect monthly cost? eg. would CPU and memory usage difference of Django over , for example , PHP framework like CodeIgnitor really make remarkable difference in running costs. (Here is the article that triggered this thought process : http://journal.dedasys.com/2010/01/12/rough-estimates-of-the-dollar-cost-of-scaling-web-platforms-part-i#comments) C) Does something like Heroku , which provides additional services over Amazon EC2, prove to be better than raw cloud management? It is not that we are trying for premature scaling, we just want to have a good start so that we are ready to handle unpredicted growth and scale.

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  • Architecture : am I doing things right?

    - by Jeremy D
    I'm trying to use a '~classic' layered arch using .NET and Entity Framework. We are starting from a legacy database which is a little bit crappy: Inconsistent naming Unneeded views (view referencing other views, select * views etc...) Aggregated columns Potatoes and Carrots in the same table etc... So I ended with fully isolating my database structure from my domain model. To do so EF entities are hidden from presentation layer. The goal is to permit an easier database refactoring while lowering the impact of it on applications. I'm now facing a lot of challenges and I'm starting to ask myself if I'm doing things right. My Domain Model is highly volatile, it keeps evolving with apps as new fields needs are arising. Complexity of it keeps raising and class it contains start to get a lot of properties. Creating include strategy and reprojecting to EF is very tricky (my domain objects don't have any kind of lazy/eager loading relationship properties): DomainInclude<Domain.Model.Bar>.Include("Customers").Include("Customers.Friends") // To... IFooContext.Bars.Include(...).Include(...).Where(...) Some framework are raping the isolation levels (Devexpress Grids which needs either XPO or IQueryable for filtering and paging large data sets) I'm starting to ask myself if : the isolation of EF auto-generated entities is an unneeded cost. I should allow frameworks to hit IQueryable? Slow slope to hell? (it's really hard to isolate DevExpress framework, any successful experience?) the high volatility of my domain model is normal? Did you have similar difficulties? Any advice based on experience?

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  • Music player with a few specific requirements

    - by Jordan Uggla
    I am looking for a music player with a few specific requirements: Must have a search function that whittles down results as you type, searching the entire library. Must start playing a song when double clicked, and not continue to another song when that song finishes. Must be approachable and immediately usable by people completely unfamiliar with the program. I think this is mostly covered by the first two requirements being met. I've tried many players but unfortunately every one has failed to meet at least one of the requirements. Rhythmbox meets 1 and 3, but continues to the next search result after the song which was double clicked ends. Banshee is basically the same as Rhythmbox. While it has an option to "Stop when finished" this cannot (as far as I can tell) be made the default when double clicking a song. Audacious (as far as I can tell) fails at 1. Muine meets requirements 1 and 2, but unfortunately I couldn't make the search dialog always shown like it is with Rhythmbox / Banshee which, despite its very simple interface, made Muine incomprehensible to people trying to use it for the first time. Amarok I could not configure to meet requirement 1, but I think it's likely I was just missing something, and with its configurability I'm confident that I can set it up to meet requirements 2 and 3.

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  • Minimum percentage of free physical memory that Linux require for optimal performance

    - by csoto
    Recently, we have been getting questions about this percentage of free physical memory that OS require for optimal performance, mainly applicable to physical compute nodes. Under normal conditions you may see that at the nodes without any application running the OS take (for example) between 24 and 25 GB of memory. The Linux system reports the free memory in a different way, and most of those 25gbs (of the example) are available for user processes. IE: Mem: 99191652k total, 23785732k used, 75405920k free, 173320k buffers The MOS Doc Id. 233753.1 - "Analyzing Data Provided by '/proc/meminfo'" - explains it (section 4 - "Final Remarks"): Free Memory and Used Memory Estimating the resource usage, especially the memory consumption of processes is by far more complicated than it looks like at a first glance. The philosophy is an unused resource is a wasted resource.The kernel therefore will use as much RAM as it can to cache information from your local and remote filesystems/disks. This builds up over time as reads and writes are done on the system trying to keep the data stored in RAM as relevant as possible to the processes that have been running on your system. If there is free RAM available, more caching will be performed and thus more memory 'consumed'. However this doesn't really count as resource usage, since this cached memory is available in case some other process needs it. The cache is reclaimed, not at the time of process exit (you might start up another process soon that needs the same data), but upon demand. That said, focusing more specifically on the percentage question, apart from this memory that OS takes, how much should be the minimum free memory that must be available every node so that they operate normally? The answer is: As a rule of thumb 80% memory utilization is a good threshold, anything bigger than that should be investigated and remedied.

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  • Am I programming too slow?

    - by Jonn
    I've only been a year in the industry and I've had some problems making estimates for specific tasks. Before you close this, yes, I've already read this: http://programmers.stackexchange.com/questions/648/how-to-respond-when-you-are-asked-for-an-estimate and that's about the same problem I'm having. But I'm looking for a more specific gauge of experiences, something quantifiable or probably other programmer's average performances which I should aim for and base my estimates. The answers range from weeks, and I was looking more for an answer on the level of a task assigned for a day or so. (Note that this doesn't include submitting for QA or documentations, just the actual development time from writing tests if I used TDD, to making the page, before having it submitted to testing) My current rate right now is as follows (on ASP.NET webforms): Right now, I'm able to develop a simple data entry page with a grid listing (no complex logic, just Creating and Reading) on an already built architecture, given one full day's (8 hours) time. Adding complex functionality, and Update and Delete pages add another full day to the task. If I have to start the page from scratch (no solution, no existing website) it takes me another full day. (Not always) but if I encounter something new or haven't done yet it takes me another full day. Whenever I make an estimate that's longer than the expected I feel that others think that I'm lagging a lot behind everyone else. I'm just concerned as there have been expectations that when it's just one page it should take me no more than a full day. Yes, there definitely is more room for improvement. There always is. I have a lot to learn. But I would like to know if my current rate is way too slow, just average, or average for someone no longer than a year in the industry.

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  • Is error suppression acceptable in role of logic mechanism?

    - by Rarst
    This came up in code review at work in context of PHP and @ operator. However I want to try keep this in more generic form, since few question about it I found on SO got bogged down in technical specifics. Accessing array field, which is not set, results in error message and is commonly handled by following logic (pseudo code): if field value is set output field value Code in question was doing it like: start ignoring errors output field value stop ignoring errors The reasoning for latter was that it's more compact and readable code in this specific case. I feel that those benefits do not justify misuse (IMO) of language mechanics. Is such code is being "clever" in a bad way? Is discarding possible error (for any reason) acceptable practice over explicitly handling it (even if that leads to more extensive and/or intensive code)? Is it acceptable for programming operators to cross boundaries of intended use (like in this case using error handling for controlling output)? Edit I wanted to keep it more generic, but specific code being discussed was like this: if ( isset($array['field']) ) { echo '<li>' . $array['field'] . '</li>'; } vs the following example: echo '<li>' . @$array['field'] . '</li>';

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  • Simple Interactive Search with jQuery and ASP.Net MVC

    - by Doug Lampe
    Google now has a feature where the search updates as you type in the search box.  You can implement the same feature in your MVC site with a little jQuery and MVC Ajax.  Here's how: Create a javascript global variable to hold the previous value of your search box. Use setTimeout to check to see if the search box has changed after some interval.  (Note: Don't use setInterval since we don't want to have to turn the timer off while Ajax is processing.) Submit the form if the value is changed. Set the update target to display your results. Set the on success callback to "start" the timer again.  This, along with step 2 above will make sure that you don't sent multipe requests until the initial request has finished processing. Here is the code: <script type="text/javascript"> var searchValue = $('#Search').val(); $(function () {     setTimeout(checkSearchChanged, 0.1); }); function checkSearchChanged() {     var currentValue = $('#Search').val();     if ((currentValue) && currentValue != searchValue && currentValue != '') {         searchValue = $('#Search').val();         $('#submit').click();     }     else {         setTimeout(checkSearchChanged, 0.1);     } } </script> <h2>Search</h2> <% using (Ajax.BeginForm("SearchResults", new AjaxOptions { UpdateTargetId = "searchResults", OnSuccess = "checkSearchChanged" })) { %>     Search: <%   = Html.TextBox("Search", null, new { @class = "wide" })%><input id="submit" type="submit" value="Search" /> <% } %> <div id="searchResults"></div> That's it!

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  • What are some techniques I can use to refactor Object Oriented code into Functional code?

    - by tieTYT
    I've spent about 20-40 hours developing part of a game using JavaScript and HTML5 canvas. When I started I had no idea what I was doing. So it started as a proof of concept and is coming along nicely now, but it has no automated tests. The game is starting to become complex enough that it could benefit from some automated testing, but it seems tough to do because the code depends on mutating global state. I'd like to refactor the whole thing using Underscore.js, a functional programming library for JavaScript. Part of me thinks I should just start from scratch using a Functional Programming style and testing. But, I think refactoring the imperative code into declarative code might be a better learning experience and a safer way to get to my current state of functionality. Problem is, I know what I want my code to look like in the end, but I don't know how to turn my current code into it. I'm hoping some people here could give me some tips a la the Refactoring book and Working Effectively With Legacy Code. For example, as a first step I'm thinking about "banning" global state. Take every function that uses a global variable and pass it in as a parameter instead. Next step may be to "ban" mutation, and to always return a new object. Any advice would be appreciated. I've never taken OO code and refactored it into Functional code before.

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  • Partner Webcast - Oracle Data Integration Competency Center (DICC): A Niche Market for services

    - by Thanos Terentes Printzios
    Market success now depends on data integration speed. This is why we collected all best practices from the most advanced IT leaders, simply to prove that a Data Integration competency center should be the primary new IT team you should establish. This is a niche market with unlimited potential for partners becoming, the much needed, data integration services provider trusted by customers. We would like to elaborate with OPN Partners on the Business Value Assessment and Total Economic Impact of the Data Integration Platform for End Users, while justifying re-organizing your IT services teams. We are happy to share our research on: The Economical impact of data integration platform/competency center. Justifying strongest reasons and differentiators, using numeric analysis and best-practice in customer case studies from specific industries Utilizing diagnostics and health-check analysis in building a business case for your customers What exactly is so special in the technology of Oracle Data Integration Impact of growing data volume and amount of data sources Analysis of usual solutions that are being implemented so far, addressing key challenges and mistakes During this partner webcast we will balance business case centric content with extensive numerical ROI analysis. Join us to find out how to build a unified approach to moving/sharing/integrating data across the enterprise and why this is an important new services opportunity for partners. Agenda: Data Integration Competency Center Oracle Data Integration Solution Overview Services Niche Market For OPN Summary Q&A Delivery Format This FREE online LIVE eSeminar will be delivered over the Web. Registrations received less than 24hours prior to start time may not receive confirmation to attend. Presenter: Milomir Vojvodic, EMEA Senior Business Development Manager for Oracle Data Integration Product Group Date: Thursday, September 4th, 10pm CEST (8am UTC/11am EEST)Duration: 1 hour Register Today For any questions please contact us at [email protected]

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  • Ubuntu 12.04 Freezes w/ Ethernet Unplugged + Wireless Drops (Acer Aspire 5516)

    - by Grand Master T
    Ubuntu 12.04-12.10 32/64 freezes or won't boot if the Ethernet cable is unplugged and will not hold a wireless connection. Here is my scenario... Laptop: Acer Aspire 5516 Wireless card: Broadcom BCM4312 Ubuntu 12.04 32/64 Issues Unity 3d won't load without the Ethernet cable plugged in. If I let it load with Ethernet plugged in, it will freeze once I disconnect the cable. Unity 2d will load without the Ethernet cable plugged. In Unity 2d, wireless cannot hold a connection. I can connect to a Wireless network, but when I try to use it (i.e. open a browser), it disconnects. I can reconnect by disabling wireless (uncheck Enable Wireless), re-enable wireless, and reconnect. But, it will disconnect again once I start using it. Ubuntu 12.10 Issues Since 12.10 only gives me the option to load 3d (I assume), I experience the same thing as the first issue in 12.04. Attempted Solutions Enable networking/LAN in BIOS Set LAN first in boot priority in BIOS Remove STA wireless driver (bcmwl-kernel-source) and install b43 low power driver (firmware-b43-lpphy-installer). Remove default Network Manager and install Wicd. So far, I have had no luck with fixing this issue. Does anyone have any further suggestions?

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  • Is writing recursive functions hard for you?

    - by null
    I'm taking a computer science course now. I feel it is so hard compared to my polytechnic IT course. I can't understand recursive methods well. How do you manage to get your brain to understand it? When the recursive method returns back, my brain can not trace it nicely. Is there a better way to understand recursion? How do you start learning it? Is it normal that feel that it is very hard at then beginning? Look at the example, I'm very surprised how can I write this if it appears in exam. public class Permute { public static void main(String[] args) { new Permute().printPerms(3); } boolean[] used; int max; public void printPerms(int size) { used = new boolean[size]; max = size; for (int i = 0; i < size; i++) { used[i] = false; } perms(size, ""); } public void perms(int remaining, String res) { if (remaining == 0) { System.out.println(res); } else { for (int i = 0; i < max; i++) { if (!(used[i])) { used[i] = true; perms(remaining - 1, res + " " + i); used[i] = false; } } } } }

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  • can't get a good install:11.10 server

    - by jack
    I screwed up my partitioning aparently tring to get lvm and raid1 going. the machine is an intel dual core dt with 2 gig of ram and 2 sata drives, one 250g and the other 500g. This a build for my school in n.e. Thailand. we have 20+ clients now, a website, email. Our old server is dying fast and we are going to add another 12 stations next week. I really need some help here! 1. have onboard gigabit ethernet that aparently uses same driver as realtek 811c. I installed a pcie gigabit card also 811c. At several points the eth0 has accessed the internet fine, but the eth1 will not communicate. 2. I saw a "fix" for this online which from root: rmmod r8169. this imediately killed the working onboard card. 3.I tried to re-install 11.10 figuring that would re-install r8169. However I messed something up in my partitioning and can't get a clean boot now. 6. so I think after 12 re-installs or so and 2 days. I can get through it right if I can start over with clean drives, but I can't figure out how to empty them out what with soft raid and lvm partitions. seems like i've had it going well and then trying to fix that one little problem, i go backwards.Please help! please send email.-thanks

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