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  • Javascript (JQuery) keyboard hijack problem

    - by user266564
    I'm making a typing tutor program using javascript. Everything is going well except that if activates browser hotkeys which disrupts the functionality of the program. When I press the single quote in Firefox it triggers "Quick find (links only)" short cut and in all browsers when I press space the page scrolls down a page. Everything is working fine outside of this. Here's the code in the head: <script type="text/javascript"> $(document).ready(function() { executeType(); }); </script> And the code I am using to capture the keyboard (simplified, but tested): function executeType() { $(document).keydown(function(event) { alert(event.keyCode); }); }

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  • UI suggestions on how to display suggested tags for a given text to a user?

    - by Danny
    I am writing a web-app that uses a tagging system to organize the user's submitted reports. Part of it uses ajax to get suggestions for tags to present to the user based on the content of their report. I am looking for suggestions on how to present this information for the user. I'm not quite certain what a friendly way to do this would be. Edit: Well, most of the responses here seem to be focused on the user typing in keywords. The idea I'm trying to define here is more towards presenting the user a set of suggested keywords that they may accept or decline without having to type a tag in manually. (That option is of course still available to them) --------------------------- # say they can checkoff or select tags they like. | o[tag2] x[foo] o[moo] | | x[tag1] o[bar] | ---------------------------

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  • Is a larger hard drive with the same cache, rpm, and bus type faster?

    - by Joel Coehoorn
    I recently heard that, all else being equal, larger hard are faster than smaller. It has to do with more bits passing under the read head as the drive spins - since a large drive packs the bits more tightly, the same amount of spin/time presents more data to the read head. I had not heard this before, and was inclined to believe the the read heads expected bits at a specific rate and would instead stagger data, so that the two drives would be the same speed. I now find myself looking at purchasing one of two computer models for the school where I work. One model has an 80GB drive, the other a 400GB (for ~$13 more). The size of the drive is immaterial, since users will keep their files on a file server where they can be backed up. But if the 400GB drive will really deliver a performance boost to the hard drive, the extra money is probably worth it. Thoughts?

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  • Is DevCon.exe still the best way to restart/power cycle USB ports after resuming from hibernation in

    - by ProfessionalAmateur
    I have a USB broadband card on my Windows 7 laptop. It loathes resuming from hibernation properly. Back in the XP days I would issue a call devcon.exe from the command prompt and restart the selected ports (Saves you having to manually unplug and plug back in your USB devices). Ive been trying this is Windows 7, but the UAC keeps getting in the way. I'll start a command prompt. Issue the devcon command, but UAC asks me if I really want to do this, when I click yes it opens a different command prompt and launches the command. After the command completed this new prompt window closes faster than the speed of light and I cannot see the results. So Im thinking there has to be a better way to do this in the Vista/Win7 world...?

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  • Coldfusion server VERY slow page loads

    - by Kevin
    I inherited a windows server 2003 coldfusion 7 server a few weeks ago. Today a network cable was unplugged by accident from the server. On plugging it back in, pages were NOT loading at all. Rather, we were receiving a generic coldfusion error page. After restarting IIS several times and coldfusion even more than that, we finally got pages to start loading. However, the loading is extremely slow (30+ seconds) on pages that used to load instantly. Loading through the local network (IE localhost/cfide/administrator) does nothing to help the load speed. I am not familiar with IIS or Coldfusion (We're in the process of migrating this to Linux/PHP), so this is all new territory to me. I'm hoping someone may have experienced this issue in the past and can help me solve it. I'm happy to provide any additional information that might be necessary....I'm just not sure what information you might need in order to help. Thanks for your time.

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  • Parameters with dots on the URI

    - by robertokl
    In my application, there is a resource, machine, and a nested resource from machine: ip. I want to be able to access the URI of an Ip typing the ip address. The URI should be something like this: /machines/m123/ips/192.168.0.1.xml Where "m123" is the name of the machine and "192.168.0.1" is one of the ips of that machine. The problem here is that rails miss understand the dots from the ip and the format. When I try to access this page, i get: No route matches "/machines/m123/ips/192.168.0.1.xml" And if I replace the dots for any other character it works, witch means that rails isn't handling the dots on the URI. Is there any way to enter a more complex regexp on the routes to make sure rails can treat it the way I want? I'm using rails 2.3.5 and ruby 1.8.7. Thank you.

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  • KeyCode_Enter to next edittext

    - by soclose
    Hi, In edittext, after typing 'Enter' key, system make a new line inside it. I'd like to focus on next edittext, no new line. how to code? my code in xml is below <EditText android:id="@+id/txtNPCode" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="18sp" android:layout_alignLeft="@+id/lblNPCode" android:layout_below="@+id/lblNPCode" android:layout_centerHorizontal="true" /> <EditText android:id="@+id/txtCNPCode" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="18sp" android:layout_alignLeft="@+id/lblCNPCode" android:layout_below="@+id/lblCNPCode" android:layout_centerHorizontal="true" /> I also caputer key code in setOnKeyListener tCNPCode.setOnKeyListener(new OnKeyListener() { public boolean onKey(View v, int keyCode, KeyEvent event) { // TODO Auto-generated method stub if(keyCode == 66) { Toast.makeText(S_PCode.this, "Enter Key", Toast.LENGTH_LONG).show(); //tNPCode.setFocusable(true); } return false; } });

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  • Optimum number of threads while multitasking

    - by Gun Deniz
    I know similar questions have been asked but I think my case is a little bit diffrent. Let's say I have a computer with 8 cores and infinite memory with a Linux OS. I have a calculation software called Gaussian that can take advantage of multithreading. So I set its thread count to 8 for a single calculation for maximum speed. However I really can't decide what to do when I need to do run for instance 8 calculations simultaneously. In that case should I set the thread count to 1(total 8 threads spawned in 8 processes) or keep it 8(total 64 threads spawned in 8 processes) for each job? Does it really matter much? A related question is does the OS automatically does the core-parking to diffrent cores for each thread?

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  • Does SQLIO lie when run from a Hyper-V guest on a VHD?

    - by ScottStonehouse
    SQLIO seems like a useful tool. I thought it would be interesting to try to measure the speed difference between a physical disk and a VHD. So I ran SQLIO on the Hyper-V host on the physical drive. Results seemed reasonable. Then I ran it from the guest to test the vhd (on the same physical disk). I expected it to be a bit slower. But instead it was way faster - like 0ms average latency. So I'm trying to learn something here. It seems like hyper-v is fooling SQLIO somehow but I don't understand it well enough to figure it out. It's a dynamic vhd, no snapshots or anything, and the vhd is the only file on the disk. The physical disk is actually a two SAS drive RAID 1.

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  • the commands ls and get of ftp are not working in vmware

    - by mnish
    Hi, Iam using vmware player version 3.1 to boot a minix 3 os image. After booting the minix os I want to get some files from a server using ftp. the ftp connection to the server works but when i use the commands "ls" or "get" nothing happens except it says "200 PORT command successful" and it hanges in there. The only thing i can do after typing ls+enter or get+enter is to exit the ftp by using ctrl+c. If anyone knows a solution to this? please help. Thank you

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  • Under what circumstances can/will a 10BASE-T device slow down a 100BASE-T or faster network?

    - by Fred Hamilton
    Suppose I have a 10BASE-T device, but everything else on my network is 100BASE-T or faster. When I attach the 10Mbit device, one of two things could happen: It could be passed through as 10BASE-T, making whatever it's connected to slow down to 10BASE-T, or It could be converted to a higher speed. I'm looking for all the plausible examples where #1 could happen; where attaching this 10Mbit device will slow down other traffic. I sorta think it can't happen - that as soon as it comes into contact with other traffic it has to get retimed to be inserted into the higher rate traffic (so no slowdown aside from the extra bits from the connection), and that when it's not contacting other traffic, who cares if it's only 10Mbit? Basically I'd like a better understanding of any impact of inserting a slow device into a fast ethernet network.

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  • Running Android emulator inside a Virtualbox Vm

    - by sgargan
    I'm trying to setup a VM with a complete android development stack (SDK, Platforms, Eclipse etc) for a Hackathon. I'm having real trouble getting the emulator to start in the VM. I realize that the emulator is essentially a VM itself inside the Vbox VM and so is going to be slow, but it just hangs at the Android splash screen and never gets any further. Might there be something going on with the VM that is causing it to run so very slowly? Is there anything I can do to give the VM more CPU? I've tried setting the execution cap to 100% but it didn't help any. Anyone know what might be going on here, or have any ideas about how I might speed it up? Thanks Steve.

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  • mplayer dumpstream sometimes fails

    - by User1
    I'm trying to rip the video at http://videolectures.net/ecml07%5Fgetoor%5Fisr/, so I can play it at a faster speed. I paste http://193.2.4.216/2007/pascal/ecml07%5Fwarsaw/getoor%5Flise/ecml07%5Fgetoor%5Fisr%5F01.wmv into a firefox browser in Windows and MediaPlayer plays the thing. However if I try mplayer -dumpstream, it gets stuck into an infinite loop trying to play the file. If I use wget to download the link, I get a small text file which basically points to the same URL. How can I get mplayer to download this stream?

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  • Varnish and plesk

    - by Raphaël
    I have an e-commerce site with 300,000 products and 20,000 categories. It is slow and currently in production. I decided to install Varnish to speed up. The trouble is that during installation, I got a Guru Meditation. Since the site is in production, I am not allowed to leave this error more than a second, thinking to have made an enormous stupidity. I followed the following tutorial: http://www.euperia.com/linux/setting-up-varnish-with-apache-tutorial I'm sure I followed all without error. I say that there may be a specific configuration with plesk. Has anyone already installed Varnish on a ubuntu 10.04 server with plesk 10? Does anyone have a better resource? I know it is "very vague" as an error, but maybe some of you have had this problem. Sincerely,

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  • SQL Server: bcp utility: login fails

    - by Patrick
    Microsoft Windows [Version 5.2.3790] (C) Copyright 1985-2003 Microsoft Corp. C:\Documents and Settings\Administrator>bcp "SELECT TOP 1000 * FROM SOData.dbo.E xperts" queryout c:\customer3.txt -n -t -UAdministrator -P -SDNAWINDEV SQLState = 28000, NativeError = 18456 Error = [Microsoft][SQL Server Native Client 10.0][SQL Server]Login failed for u ser 'Administrator'. or.. without -P flag C:\Documents and Settings\Administrator>bcp "SELECT TOP 1000 * FROM SOData.dbo.E xperts" queryout c:\customer3.txt -n -t -UAdministrator -P -SDNAWINDEV SQLState = 28000, NativeError = 18456 Error = [Microsoft][SQL Server Native Client 10.0][SQL Server]Login failed for u ser 'Administrator'. or, without -P flag, and typing the password.. is the same C:\Documents and Settings\Administrator>bcp "SELECT TOP 1000 * FROM SOData.dbo.E xperts" queryout c:\customer3.txt -n -t -UAdministrator -SDNAWINDEV Password: SQLState = 28000, NativeError = 18456 Error = [Microsoft][SQL Server Native Client 10.0][SQL Server]Login failed for u ser 'Administrator'.

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  • how to workaround glassfish 3.0.1 admin page slow startup?

    - by black sensei
    I've installed netbeans which comes with glassfish. i just got a book about glassfish and i wanted to try.the first surprise is the time it took to the admin page to load. i've found on serverfault and by googling that the server is making call to external resource on the network on online (not sure about that). but the adding of the java options didn't speed up the loading of the admin page. how to work around it? i've heard so good about glassfish that this leaves me perplexed. thanks for reading and for helping.

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  • Silverlight 4 NewBie Question

    - by codemnky
    I am watching a video from Silverlight.net website about DataForm. There is no source code download, so I am typing in the code as I watch the video. Unfortunately I can't replicate what is shown in the video. there are several issues. I am going to list out only the first 2 1) The presenter shows a simple class inside DataForm that has a icon at the very top of the data form that upon clicking it makes the DataForm editable and a save button appears at the bottom. I did'nt get the same thing when I ran my code against Silverlight 4 or Silverlight 3 2) Than he goes on to show that if you mark your class [Bindable(false)] you shouldn't see anything in your page. I did that but my form still shows all the properties I stopped after these 2 issues. If the features being talked about in this video were deprecated in the final release than this video should have been taken off the site. can anyone help me with this??

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  • Re-Calibrate Toshiba battery meter with Windows 7

    - by Farseeker
    Hi All. I have a Toshiba U300 laptop. Back in the olden days (circa-2000) you could re-calibrate the battery meter from the BIOS when your battery was no longer reading accurately. My battery was shot, so I bought a brand new one, however Windows 7 still seems to count down the battery life in at the same speed as the old one did. This time, when it alleged 0%, I turned the laptop back on and got another 90 minutes of life out of it, at 0%. Is there a tool or utility for Toshiba laptops that can fix it back to being accurate? I've read the other threads on SU about cycling the battery but that just doesn't seem to do it in this case. Update: After the last cycle, the battery meter now reads 100% but the indicator on the front of the laptop is still orange (indicating not fully charged)

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  • a simple secenario to implement javascript asp.net C#, question rephrased

    - by user287745
    i had asked this question before but got no answer correct. so, this is a simple thing textbox.text='user typing'; button:-store the value to a variable and a database. very simple nothing to it but there should be no post back, that is the page must not load again, try ajax? tried it not working i must a lot of time trying to implement this using java script ajax and read many many post, but for some reason i cannot implement the functionality correctly. please help. thank you

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  • How to sum cells depending on the content of a neighbor cell

    - by dannymcc
    I have an Excel document with the following columns; Date | Reference | Amount 23/01/11 | 111111111 | £20.00 25/09/11 | 222222222 | £30.00 11/11/11 | 111111111 | £40.00 01/04/11 | 333333333 | £10.00 31/03/11 | 333333333 | £33.00 20/03/11 | 111111111 | £667.00 21/11/11 | 222222222 | £564.00 I am trying to find a way of summarising the content in the following way; Reference : 111111111 Total: £727 So far the only way I have been able to achieve this is to filter the list by each reference number (manually) and then add a simple SUM formula to the bottom of the list of amounts. Are there any tricks that anyone knows that may speed this up? What I am trying to achieve is a spreadsheet that highlights each reference number that collectively exceeds over £2,000.

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  • Encoding issue with form and HTML Purifier / MySQL

    - by Andrew Heath
    Driving me nuts... Page with form is encoded as Unicode (UTF-8) via: <meta http-equiv="content-type" content="text/html; charset=utf-8"> entry column in database is text utf8_unicode_ci copying text from a Word document with " in it, like this: “1922.” is insta-fail and ends up in the database as â??1922.â?? (typing new data into the form, including " works fine... it's cut and pasting from Word...) PHP steps behind the scenes are: grab value from POST run through HTML Purifier default settings run through mysql_real_escape_string insert query into dbase Help?

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  • Webserver: Performance impact when storing session files on /dev/shm

    - by GetFree
    I have a website runing on a typical setup: Linux, Apache, PHP, MySQL. However, what's not typical about it, is that it's getting tons of traffic (400,000+ visits a day) and so, efficiency is becoming more and more important to me. I'm constantly looking for things I could optimize and, right now, my attention is focused on PHP's session files. There's a hell lot of session files constantly being read and created on the /tmp directory. So my question is: Is it a good idea to store the session files in /dev/shm (tmpfs) in order to speed things up a little bit??

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  • Is there a faster way to deploy an OVA template?

    - by Luke
    I need to deploy vSphere Server Appliance 5.1. I have vSphere Client running locally and my internet upload is capped at 3 Mbps. It says it's going to take about 200 minutes to upload. When selecting a URL as opposed to a local file, does vSphere Client download it locally and then upload, or does it download the OVA directly to the server? My goal is to avoid waiting 3 1/2 hours for this to upload. If specifying a URL isn't any faster, are there any other methods that would allow me to deploy from the datacenter instead of my office? We don't have any Windows VM's installed on our cluster. So unfortunately I don't have a Windows machine with faster upload speed.

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  • Uploading with browser makes all other browser tabs and devices disconnect

    - by fabsenet
    Whenever I upload a video to YouTube all other browser tabs behave like there is no connection at all. It even affects my phone and other computers on the network therefor I think it has to do with my router. When the upload is done everything works normally again. I never observed this behavior with any other upload. My router is a Fritz!Box 7390 and my uploading PC is connected through a 1000mb/s switch (wired) to the router. Uploading through another browser does not change anything. I understand that other sites become slow as the network resources are limited, but stopping altogether feels wrong. speed.io measures for my internet connection: 40.894 Kbit/s down, 2.685 Kbit/s up, 29 ms ping, 2.048 con/m connects

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  • How do you determine how long it is taking Apache to forward a request to Phusion Passenger?

    - by dan
    I have a Ruby on Rails website that is serving requests relatively fast within Rails. The completion time for a Rails request is about 130ms. But the request still takes a long time because of the time it takes the Apache server in front of the Phusion Passenger instances to hand off the request to Rails. How can I measure how long it takes Apache to hand off the request to Rails via Passenger? And how can I speed this up if it's slow. Yes, I plan on switching to nginx, but I need a temporary fix.

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