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• how do Google and Yahoo replace the URL in the browser status bar?

  - by Mike W

  On the Google and Yahoo search pages, the URLs of the 10 search result links actually point to google.com or yahoo.com. The URLs have extra arguments that allow google.com or yahoo.com to redirect to the actual search result when the link is clicked. When the user mouses over the link, the search result URL (and not the google.com or yahoo.com URL) is displayed in the browser's status bar. I'm wondering how they do that. Many years ago, this would have been accomplished by having some javascript that sets window.status, but that doesn't seem to work anymore, as is explained by http://stackoverflow.com/questions/876390/reliable-cross-browser-way-of-setting-status-bar-text I have a link that looks like this: <a href="http://somedomain.com/ReallyLongURLThatShouldNotBeSeenInTheStatusBar" onmouseover="window.status='http://niceShourtUrl.com/'" onmouseout="window.status=''">Click Me</a> This link tried to use the window.status strategy, but it doesn't work. How do I fix this link so that it acts like the links on Google's and Yahoo's search result pages? In this example, I want "http://niceShourtUrl.com/" to be displayed in the status bar when the user mouses over the link.

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• Why does a Silverlight application show a blank browser screen when created from exported template?

  - by Edward Tanguay

  I created a silverlight app (without website) named TestApp, with one TextBox: <UserControl x:Class="TestApp.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480"> <Grid x:Name="LayoutRoot"> <TextBlock Text="this is a test"/> </Grid> </UserControl> I press F5 and see "this is a test" in my browser (firefox). I select File | Export Template | name it TestAppTemplate and save it. I create a new silverlight app based on the above template. The MainPage.xaml has the exact same XAML as above. I press F5 and see a blank screen in my browser. I look at the HTML source of both of these and they are identical. Everything I have compared in both projects is identical. What do I have to do so that a Silverlight application which is created from my exported template does not show a blank screen? (creating a WPF application from an exported template like this works fine)

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• How to detect what allowed character in current Regular Expression by using JavaScript?

  - by Soul_Master

  In my web application, I create some framework that use to bind model data to control on page. Each model property has some rule like string length, not null and regular expression. Before submit page, framework validate any binded control with defined rules. So, I want to detect what character that is allowed in each regular expression rule like the following example. "^[0-9]$" allow only digit characters like 1, 2, 3. "^[a-zA-Z_][a-zA-Z_-0-9]+$" allow only a-z, - and _ characters However, this function should not care about grouping, positioning of allowed character. It just tells about possible characters only. By the way, complex regular expression like find two words near(\bword1\W+(?:\w+\W+){1,6}?word2\b) must be ignore to verify and it should return any characters is possible. Do you have any idea for creating this function? PS. I know it easy to create specified function like numeric only for allowing only digit characters. But I need share/reuse same piece of code both data tier(contains all model validator) and UI tier without modify anything. Thanks

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• Is it possible to spoof or reuse VIEWSTATE or detect if it is protected from modification?

  - by Peter Jaric

  Question ASP and ASP.NET web applications use a value called VIEWSTATE in forms. From what I understand, this is used to persist some kind of state on the client between requests to the web server. I have never worked with ASP or ASP.NET and need some help with two questions (and some sub-questions): 1) Is it possible to programmatically spoof/construct a VIEWSTATE for a form? Clarification: can a program look at a form and from that construct the contents of the base64-encoded VIEWSTATE value? 1 a) Or can it always just be left out? 1 b) Can an old VIEWSTATE for a particular form be reused in a later invocation of the same form, or would it just be luck if that worked? 2) I gather from http://msdn.microsoft.com/en-us/library/ms972976.aspx#viewstate_topic12 that it is possible to turn on security so that the VIEWSTATE becomes secure from spoofing. Is it possible for a program to detect that a VIEWSTATE is safeguarded in such a way? 2 a) Is there a one-to-one mapping between the occurrence of EVENTVALIDATION values and secure VIEWSTATEs? Regarding 1) and 2), if yes, can I have a hint about how I would do that? For 2) I am thinking I could base64-decode the value and search for a string that always is found in unencrypted VIEWSTATEs. "First:"? Something else? Background I have made a small tool for detecting and exploiting so called CSRF vulnerabilities. I use it to quickly make proof of concepts of such vulnerabilities that I send to the affected site owners. Quite often I encounter these forms with a VIEWSTATE, and these I don't know if they are secure or not. Edit 1: Clarified question 1 somewhat. Edit 2: Added text in italics.

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• Can I detect whether an object has called GC.SuppressFinalize?

  - by Joe White

  Is there a way to detect whether or not an object has called GC.SuppressFinalize? I have an object that looks something like this (full-blown Dispose pattern elided for clarity): public class ResourceWrapper { private readonly bool _ownsResource; private readonly UnmanagedResource _resource; public ResourceWrapper(UnmanagedResource resource, bool ownsResource) { _resource = resource; _ownsResource = ownsResource; if (!ownsResource) GC.SuppressFinalize(this); } ~ResourceWrapper() { if (_ownsResource) // clean up the unmanaged resource } } If the ownsResource constructor parameter is false, then the finalizer will have nothing to do -- so it seems reasonable (if a bit quirky) to call GC.SuppressFinalize right from the constructor. However, because this behavior is quirky, I'm very tempted to note it in an XML doc comment... and if I'm tempted to comment it, then I ought to write a unit test for it. But while System.GC has methods to set an object's finalizability (SuppressFinalize, ReRegisterForFinalize), I don't see any methods to get an object's finalizability. Is there any way to query whether GC.SuppressFinalize has been called on a given instance, short of buying Typemock or writing my own CLR host?

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• How to automatically show Title of the Entries/Articles in the Browser Title Bar in ExpressionEngine 2?

  - by Ibn Saeed

  How would I output the title of an entry in ExpressionEngine and display it in the browser's title bar? Here is the content of my page's header: <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Test Site</title> <link rel="stylesheet" href="{stylesheet=site/site_css}" type="text/css" media="screen" /> </head> What I need is for each page to display the title of the entry in my browser's title bar — how can I achieve that? Part of UPDATED Code: Here is how i have done it : {exp:channel:entries channel="news_articles" status="open|Featured Top Story|Top Story" limit="1" disable="member_data|trackbacks|pagination"} {embed="includes/document_header" page_title=" | {title}"} <body class="home"> <div id="layoutWrapper"> {embed="includes/masthead_navigation"} <div id="content"> <div id="article"> <img src="{article_image}" alt="News Article Image" /> <h4>{title}</h4> <h5><span class="by">By</span> {article_author}</h5> <p>{entry_date format="%M %d, %Y"} -- Updated {gmt_edit_date format="%M %d, %Y"}</p> {article_body} {/exp:channel:entries} </div> What do you think?

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• How do I determine whether calculation was completed, or detect interrupted calculation?

  - by BenTobin

  I have a rather large workbook that takes a really long time to calculate. It used to be quite a challenge to get it to calculate all the way, since Excel is so eager to silently abort calculation if you so much as look at it. To help alleviate the problem, I created some VBA code to initiate the the calculation, which is initiated by a form, and the result is that it is not quite as easy to interrupt the calculation process, but it is still possible. (I can easily do this by clicking the close X on the form, but I imagine there are other ways) Rather than taking more steps to try and make it harder to interrupt calculation, I'd like to have the code detect whether calculation is complete, so it can notify the user rather than just blindly forging on into the rest of the steps in my code. So far, I can't find any way to do that. I've seen references to Application.CalculationState, but the value is xlDone after I interrupt calculation, even if I interrupt the calculation after a few seconds (it normally takes around an hour). I can't think of a way to do this by checking the value of cells, since I don't know which one is calculated last. I see that there is a way to mark cells as "dirty" but I haven't been able to find a way to check the dirtiness of a cell. And I don't know if that's even the right path to take, since I'd likely have to check every cell in every sheet. The act of interrupting calculation does not raise an error, so my ON ERROR doesn't get triggered. Is there anything I'm missing? Any ideas? Any ideas?

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• How to detect iPhone movement in space using accelerometer ?

  - by super_tomtom

  Hi ! I am trying to make an application that would detect what kind of shape you made with your iPhone using accelerometer. As an example, if you draw a circle with your hand holding the iPhone, the app would be able to redraw it on the screen. This could also work with squares, or even more complicated shapes. The only example of application I've seen doing such a thing is AirPaint (http://vimeo.com/2276713), but it doesn't seems to be able to do it in real time. My first try is to apply a low-pass filter on the X and Y parameters from the accelerometer, and to make a pointer move toward these values, proportionally to the size of the screen. But this is clearly not enought, I have a very low accuracy, and if I shake the device it also makes the pointer move... Any ideas about that ? Do you think accelerometer data is enought to do it ? Or should I consider using other data, such as the compass ? Thanks in advance !

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• POSIX Sockets: How to detect Ctrl-C sent over Telnet?

  - by ogott

  Short Question What's the right way to handle a Ctrl-C event sent over Telnet on the server side? Long Question After calling recv() on a socket, I'd like to handle some situations appropriately. One of them is to return a certain error code when Ctrl-C was received. What's the correct way to detect this? The following works, but it just doesn't seem right: size_t recv_count; static char ctrl_c[5] = {0xff, 0xf4, 0xff, 0xfd, 0x06}; recv_count = recv(socket, buffer, buffer_size, 0); if (recv_count == sizeof(ctrl_c) && memcmp(buffer, ctrl_c, sizeof(ctrl_c) == 0) { return CTRL_C_RECEIVED; } I found a comment on Ctrl-C in a side-note in this UNIX Socket FAQ: [...] (by the way, out-of-band is often used for that ctrl-C, too). As I understand, receiving out-of-band data is done using recv() with a certain flag as the last parameter. But when I'm waiting for data using recv() as I do in the code above, I can't read out-of-band data at the same time. Apart from that, I'm getting something using recv() without that oob-flag.

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• explorer.exe eating all CPU, how to to detect culprit?

  - by JohnDoe

  Windows 7 64bit. I am using ProcessExplorer from Sysinternals, and it says, that the offending call is ntdll.dll!RtlValidateHeap+0x170 however, the call stack towards the entry is always different, so it's hard for me to track the problem. Maybe it's a mal-programed trojan, causing exceptions in Explorer.exe, but that is only a wild speculation. Explorer.exe is then consuming 25% (a core on a dual core). Killing the process makes the task bar go away, respawning from task manager, and half a minute later it's again eating all CPU cycles.

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• How to delete/detect what terminal software I have?

  - by Mike G

  On mac osx terminal, I installed many terminal programs while trying to install a programming library. Now I'm wondering how I delete them. I think some of them include pip, macports, vmenven (or something). I'm not sure what these programs are called but they all are called from the command line using something like "macports..." (so I'm calling them terminal programs). First, how do I tell what terminal programs are installed. Second, how do I delete them. And, to be through, where are the programs stored anyway?

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• How to analyze CBS.log file by SFC command to detect corrupt files in Windows 7?

  - by energydream2007

  Hey I have some problems with my Win7 so I've ran sfc /scannow and I got this message: "Windows Resource Protection found corrupt files and was unable to fix some of them..." I also told to look at the folder of the log file to find the cbs.log. After that I've ran this command to pull out the actual problems/corrupt files: findstr /c:"[SR]" %windir%\Logs\CBS\CBS.log >"%userprofile%\Desktop\sfcdetails.txt" This command have created an sfcdetails text file (download). Can someone help me to analyze this file? I haven't found a detailed article about it so far.

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• Software for decreasing of touchpad sensitivity (when finger is hovering over touchpad it detect it) (alps touchpad)

  - by Darqer

  I have an issue with touchpad, when I use it and I have one finger on the touchpad plate and another finger very close to the plate (but i do not touch it with the other finger), my mouse pointer is jumping around the screen. It seems to be an issue with touchpad which detects finger even if it is not touching the plate. I have dell e6530 with Apls touchpad driver and windows7, is there some software which can somehow help to mitigate this effect it is really annoying, on my previous laptop (7 years old) i did not have such issue.

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• Can a site detect if I use AdBlock in Firefox?

  - by Anders

  I recently visited (an official) website in search for an episode of a TV-show. The site popped an information dialog stating that I had to disable AdBlock to see the content. Is this at all possible or is it just an educated guess? Does Firefox advertise what addons I have installed? If so: how and why does it work that way?

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• How does Windows Task Scheduler detect that a task is already running?

  - by Dan C

  I have an application on Windows Server 2008 that takes different command-line parameters. For example: myapp.exe /A myapp.exe /B I have created a task scheduler task for each of those. While "myapp.exe /A" is running, I want to prevent another instance of it from starting. However, I still want "myapp.exe /B" to be able to run (again, though only one instance of it at a time). How can I set this up?

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• In Jetty, can NCSARequestLog be configured to auto-detect the time zone?

  - by David Moles

  It looks as though in 2003 or so NCSARequestLog would pick up the system time zone using TimeZone.getDefault().getID(), but in more recent versions it seems as though it's hard-coded to GMT, unless you override it in jetty.xml or programmatically. If true, this kind of annoying, since it means if you don't want GMT logging you have to edit jetty.xml for every installation (not to mention twice a year for daylight saving time). Is there a workaround that will let Jetty pick the time zone up from the system? (X-posted to Stack Overflow.)

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• How to detect the real download link for a embedded quicktime video?

  - by overboming

  http://movies.apple.com/media/us/ipad/2010/tours/apple-ipad-guidedtour-playall-us-20100329_r848-9cie.mov like this one for example.

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• Use WMI to detect a USB drive was connected, regardless of whether it was mounted?

  - by Seth Petry-Johnson

  I am writing a script that uses MS KB 823732 to temporarily prevent users from plugging in new USB storage devices. This works fine, and the HKLM\...\Services\UsbStor registry key successfully blocks newly-connected devices from being accessed. Is there a WMI event that will tell me that a drive was connected, regardless of whether it was mounted? I tried querying for __InstanceCreationEvent but that is apparently raised only after the drive is mounted and made available, which doesn't fit my requirements.

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• Why does the EFI shell not detect my Windows DVD?

  - by Oliver Salzburg

  I'm currently looking into (U)EFI for the first time and am already really confused. I insert the Windows Server 2008 R2 Enterprise disc into the DVD-ROM and boot into the EFI shell. The shell will automatically list all detected devices, which are: blk0 :CDRom - Alias (null) Acpi(PNP0A03,0)/Pci(1F|2)/Ata(Primary,Master)/CDROM(Entry0) blk1 :BlockDevice - Alias (null) Acpi(PNP0A03,0)/Pci(1F|2)/Ata(Primary,Master) To my understanding, it should have already detected the filesystem on blk0 and should have mounted it as fs0. Why is that not happening? If I insert a USB drive, it gets mounted just fine. The board is an Intel S5520HC in case that makes a difference.

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• How to detect/list rogue computers connected to a WIFI network without access to the Wifi Router interface?

  - by JJarava

  This is what I believe to be an interesting challenge :) A relative (that leaves a bit too far to go there in person) is complaining that their WIFI/Internet network performance has gone down abysmally lately. She'd like to know if some of the neighbors are using her wifi network to access the internet but she's not too technically savvy. I know that the best way to prevent issues would be to change the Router password, but it's a bit of a PITA having to re-configure all wifi devices... and if the uninvited guest broke the password once, they can do it again... Her wifi router/internet connection is provided by the telco, and remotely managed so she can log-on to their telco account's page and remotely change the router's Wifi password, but doesn't have access to the router status page/config/etc unless she opts out of the telco's remote support and mainteinance service... So, how could she check if there are guests in the wifi with this restrictions and in the most "point and click way"? In this case I'd probably use nmap to look for other devices in the network, but I'm not sure if that's the easiest way to do it. I'm not a wifi expert, so I don't know if there are any wifi-scanning utils that can tell us who's talking to the router... Lastly, she's a Windows user as I guess that'll influence the choice of tools available Any suggestions more than welcome Regards!

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• How to detect when a user copies files from a server over the network?

  - by Mr. Graves

  I have a few virtual servers + desktops that are used for shared development with remote users, including some consultants. Each user has an account with access to most aspects of the server. I don't want to prevent people from being productive, or track passwords or read emails, but I do want to know when and what files they copy from the virtual server or what they upload from the server to a remote site, and what if any applications they install. This will help make sure my IP is protected, that no one is installing tools they shouldn't, and that things are licensed appropriately. What is the simplest way to do this? In order of importance I would say detecting file transfers off the machine to be most critical. Thanks

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• Is there a simple way to detect ISP port blocking?

  - by Will M

  Is there a way to tell the difference between my ISP blocking traffic on certain ports and my NAT router/firewall blocking that traffic? The sites “Shields Up” and “Can you see me” show my ports closed or not accessible, but I assume that is primarily due to the NAT router. (Obviously, I could just remove the router, connect directly and use those sites, but is there a simple way to test without doing that?)

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• How to detect device type from device connected to router?

  - by molly

  I have a att router and there is an unknown device connected to my network. I can't seem to kick it off because of how att's router settings are created which is kind of dumb. I am able to see its local ip and mac address. I am on a mac with snow leopard. How can I get more information on the device with the information that I have? I want to see what kind of device it is, I have checked all devices that are connected to the router and none seem to match the local ip that is connected. I have WPA encryption setup with a strong password.

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• how to detect device type from connected device to router?

  - by molly

  i have a att router and there is an unknown device connected to my network. i cant seem to kick it off because of how att's router settings are created which is kind of dumb. i am able to see its local ip and mac address. i am on a mac with snow leopard. how can i get more information on the device with the information that i have? i want to see what kind of device it is, i have checked all deviced that are connected to the router and non seem to match the local ip that is connected. i have wpa encryption setup with a strong password.

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• How to detect/list rogue computers connected to a WIFI network without access to the Wifi Router interface? [migrated]

  - by JJarava

  This is what I believe to be an interesting challenge :) A relative (that leaves a bit too far to go there in person) is complaining that their WIFI/Internet network performance has gone down abysmally lately. She'd like to know if some of the neighbors are using her wifi network to access the internet but she's not too technically savvy. I know that the best way to prevent issues would be to change the Router password, but it's a bit of a PITA having to re-configure all wifi devices... and if the uninvited guest broke the password once, they can do it again... Her wifi router/internet connection is provided by the telco, and remotely managed so she can log-on to their telco account's page and remotely change the router's Wifi password, but doesn't have access to the router status page/config/etc unless she opts out of the telco's remote support and mainteinance service... So, how could she check if there are guests in the wifi with this restrictions and in the most "point and click way"? In this case I'd probably use nmap to look for other devices in the network, but I'm not sure if that's the easiest way to do it. I'm not a wifi expert, so I don't know if there are any wifi-scanning utils that can tell us who's talking to the router... Lastly, she's a Windows user as I guess that'll influence the choice of tools available Any suggestions more than welcome Regards!

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