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  • Where is '/host' declared for mount in Wubi (Ubuntu 9.10)?

    - by Pedro
    I'm using Wubi (ubuntu 9.10), and I couldn't find where '/host' mountpoint is declared for mounting. There's no entry in fstab, but it's listed in /proc/mount and mounted at boot time. Any ideas? pedroel@ubuntu:~$ cat /proc/mounts rootfs / rootfs rw 0 0 none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 none /proc proc rw,nosuid,nodev,noexec,relatime 0 0 udev /dev tmpfs rw,relatime,mode=755 0 0 /dev/sda1 /host fuseblk rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096 0 0 /dev/loop0 / ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0 none /sys/kernel/security securityfs rw,relatime 0 0 none /sys/fs/fuse/connections fusectl rw,relatime 0 0 none /sys/kernel/debug debugfs rw,relatime 0 0 none /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 none /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0 none /var/run tmpfs rw,nosuid,relatime,mode=755 0 0 none /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0 none /lib/init/rw tmpfs rw,nosuid,relatime,mode=755 0 0 /dev/loop1 /home/pedroel/Downloads ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0 binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec,relatime 0 0 gvfs-fuse-daemon /home/pedroel/.gvfs fuse.gvfs-fuse-daemon rw,nosuid,nodev,relatime,user_id=1000,group_id=1000 0 0 /dev/mapper/isw_efhafcifi_RAID_Volume01 /media/RAID_D fuseblk rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096 0 0 pedroel@ubuntu:~$ cat /etc/fstab # /etc/fstab: static file system information. # # Use 'blkid -o value -s UUID' to print the universally unique identifier # for a device; this may be used with UUID= as a more robust way to name # devices that works even if disks are added and removed. See fstab(5). # # proc /proc proc defaults 0 0 /host/ubuntu/disks/root.disk / ext4 loop,errors=remount-ro 0 1 /host/ubuntu/disks/pedro.disk /home/pedroel/Downloads ext4 loop,errors=remount-ro 0 1 /host/ubuntu/disks/swap.disk none swap loop,sw 0 0 /dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0 Thanks in advance, Pedro

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  • How to create a MVC 2 DisplayTemplate for a field whose display format is dependent on another field

    - by Glenn
    If I have a property whose display format is dependent on the value of another property in the view model how do I create a display template for it? The combination of field1's display being dependent on field2's value will be used throughout the app and I would like to encapsulate this in a MVC 2 display template. To be more specific, I've already create a display template (Social.ascx) for custom data type Social that masks a social security number for display. For instance, XXX-XX-1234. [DataType("Social")] public string SocialSecurityNumber { get; set; } All employees also have an employeeID. Certain companies use the employee's social security number as either the whole employee id or as part of it. I need to also mask the employeeID if it contains the social. I'd like to create another display template (EmpID.ascx) to perform this task. [DataType("EmpID")] public string EmployeeID { get; set; } The problem is that I don't know how to get both properties in the "EmpID" template to be able to perform the comparison. Thanks for the help.

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  • How to display reboot required user notification after installing a custom package in linux?

    - by user284588
    After installing a custom package I should force a reboot of the system. I looked at couple of solutions to this use notify-send to display user notification followed by a reboot command, which did work as planned. But the user notification is only shown when I install the package from command line and not when I installed through Software Center. I came across some posts where they suggested adding the following to the postinst script [ -x /usr/share/update-notifier/notify-reboot-required ] && \ /usr/share/update-notifier/notify-reboot-required || true Tried including the above in the postinst script but all it does is updating the two files /var/run/reboot-required.pkgs and /var/run/reboot-required with restart information. It neither displayed user-notification nor rebooted the system after package is installed. Is there a way to display reboot required user notification in Ubuntu/Fedora/Open SUSE ?

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  • How to resolve CGDirectDisplayID changing issues on newer multi-GPU Apple laptops in Core Foundation

    - by Dave Gallagher
    In Mac OS X, every display gets a unique CGDirectDisplayID number assigned to it. You can use CGGetActiveDisplayList() or [NSScreen screens] to access them, among others. Per Apple's docs: A display ID can persist across processes and system reboot, and typically remains constant as long as certain display parameters do not change. On newer mid-2010 MacBook Pro's, Apple started using auto-switching Intel/nVidia graphics. Laptops have two GPU's, a low-powered Intel, and a high-powered nVidia. Previous dual-GPU laptops (2009 models) didn't have auto-GPU switching, and required the user to make a settings change, logoff, and then logon again to make a GPU switch occur. Even older systems only had one GPU. There's an issue with the mid-2010 models where CGDirectDisplayID's don't remain the same when a display switches from one GPU to the next. For example: Laptop powers on. Built-In LCD Screen is driven by Intel chipset. Display ID: 30002 External Display is plugged in. Built-In LCD Screen switches to nVidia chipset. It's display ID changes: 30004 External Display is driven by nVidia chipset. ...at this point, the Intel chipset is dormant... User unplugs External Display. Built-In LCD Screen switches back to Intel chipset. It's display ID changes back to original: 30002 My question is, how can I match an old display ID to a new display ID when they alter due to a GPU change? Thought about: I've noticed that the display ID only changes by 2, but I don't have enough test Mac's available to determine if this is common to all new MacBook Pro's, or just mine. Kind of a kludge if "just check for display ID's which are +/-2 from one another" works, anyway. Tried: CGDisplayRegisterReconfigurationCallback(), which notifies before-and-after when displays are going to change, has no matching logic. Putting something like this inside a method registered with it doesn't work: // Run before display settings change: CGDirectDisplayID directDisplayID = ...; io_service_t servicePort = CGDisplayIOServicePort(directDisplayID); CFDictionaryRef oldInfoDict = IODisplayCreateInfoDictionary(servicePort, kIODisplayMatchingInfo); // ...display settings change... // Run after display settings change: CGDirectDisplayID directDisplayID = ...; io_service_t servicePort = CGDisplayIOServicePort(directDisplayID); CFDictionaryRef newInfoDict = IODisplayCreateInfoDictionary(servicePort, kIODisplayMatchingInfo); BOOL match = IODisplayMatchDictionaries(oldInfoDict, newInfoDict, 0); if (match) NSLog(@"Displays are a match"); else NSLog(@"Displays are not a match"); What's happening above is I'm caching oldInfoDict before display settings change, letting them change, and then comparing it to newInfoDict by using IODisplayMatchDictionaries(), which will say either "yes, both displays are the same!" or "no, both displays are not the same." Unfortunately, it does not return YES if GPU's have changed for a monitor. Example of the dictionary's it's comparing: // oldInfoDict (Display ID: 30002) oldInfoDict: { DisplayProductID = 40144; DisplayVendorID = 1552; IODisplayLocation = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer/display0/AppleBacklightDisplay"; } // newInfoDict (Display ID: 30004) newInfoDict: { DisplayProductID = 40144; DisplayVendorID = 1552; IODisplayLocation = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/P0P2@1/IOPCI2PCIBridge/GFX0@0/NVDA,Display-A@0/NVDA/display0/AppleBacklightDisplay"; } As you can see, the IODisplayLocation key changes when GPU's are switched, hence IODisplayMatchDictionaries() doesn't work. I can, theoretically, compared just the DisplayProductID and DisplayVendorID keys, but I'm writing end-user software, and am worried of a situation where users have two or more identical monitors plugged in. Any help is greatly appreciated! :)

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  • Rkhunter 122 suspect files; do I have a problem?

    - by user276166
    I am new to ubuntu. I am using Xfce Ubuntu 14.04 LTS. I have ran rkhunter a few weeks age and only got a few warnings. The forum said that they were normal. But, this time rkhunter reported 122 warnings. Please advise. casey@Shaman:~$ sudo rkhunter -c [ Rootkit Hunter version 1.4.0 ] Checking system commands... Performing 'strings' command checks Checking 'strings' command [ OK ] Performing 'shared libraries' checks Checking for preloading variables [ None found ] Checking for preloaded libraries [ None found ] Checking LD_LIBRARY_PATH variable [ Not found ] Performing file properties checks Checking for prerequisites [ Warning ] /usr/sbin/adduser [ Warning ] /usr/sbin/chroot [ Warning ] /usr/sbin/cron [ OK ] /usr/sbin/groupadd [ Warning ] /usr/sbin/groupdel [ Warning ] /usr/sbin/groupmod [ Warning ] /usr/sbin/grpck [ Warning ] /usr/sbin/nologin [ Warning ] /usr/sbin/pwck [ Warning ] /usr/sbin/rsyslogd [ Warning ] /usr/sbin/useradd [ Warning ] /usr/sbin/userdel [ Warning ] /usr/sbin/usermod [ Warning ] /usr/sbin/vipw [ Warning ] /usr/bin/awk [ Warning ] /usr/bin/basename [ Warning ] /usr/bin/chattr [ Warning ] /usr/bin/cut [ Warning ] /usr/bin/diff [ Warning ] /usr/bin/dirname [ Warning ] /usr/bin/dpkg [ Warning ] /usr/bin/dpkg-query [ Warning ] /usr/bin/du [ Warning ] /usr/bin/env [ Warning ] /usr/bin/file [ Warning ] /usr/bin/find [ Warning ] /usr/bin/GET [ Warning ] /usr/bin/groups [ Warning ] /usr/bin/head [ Warning ] /usr/bin/id [ Warning ] /usr/bin/killall [ OK ] /usr/bin/last [ Warning ] /usr/bin/lastlog [ Warning ] /usr/bin/ldd [ Warning ] /usr/bin/less [ OK ] /usr/bin/locate [ OK ] /usr/bin/logger [ Warning ] /usr/bin/lsattr [ Warning ] /usr/bin/lsof [ OK ] /usr/bin/mail [ OK ] /usr/bin/md5sum [ Warning ] /usr/bin/mlocate [ OK ] /usr/bin/newgrp [ Warning ] /usr/bin/passwd [ Warning ] /usr/bin/perl [ Warning ] /usr/bin/pgrep [ Warning ] /usr/bin/pkill [ Warning ] /usr/bin/pstree [ OK ] /usr/bin/rkhunter [ OK ] /usr/bin/rpm [ Warning ] /usr/bin/runcon [ Warning ] /usr/bin/sha1sum [ Warning ] /usr/bin/sha224sum [ Warning ] /usr/bin/sha256sum [ Warning ] /usr/bin/sha384sum [ Warning ] /usr/bin/sha512sum [ Warning ] /usr/bin/size [ Warning ] /usr/bin/sort [ Warning ] /usr/bin/stat [ Warning ] /usr/bin/strace [ Warning ] /usr/bin/strings [ Warning ] /usr/bin/sudo [ Warning ] /usr/bin/tail [ Warning ] /usr/bin/test [ Warning ] /usr/bin/top [ Warning ] /usr/bin/touch [ Warning ] /usr/bin/tr [ Warning ] /usr/bin/uniq [ Warning ] /usr/bin/users [ Warning ] /usr/bin/vmstat [ Warning ] /usr/bin/w [ Warning ] /usr/bin/watch [ Warning ] /usr/bin/wc [ Warning ] /usr/bin/wget [ Warning ] /usr/bin/whatis [ Warning ] /usr/bin/whereis [ Warning ] /usr/bin/which [ OK ] /usr/bin/who [ Warning ] /usr/bin/whoami [ Warning ] /usr/bin/unhide.rb [ Warning ] /usr/bin/mawk [ Warning ] /usr/bin/lwp-request [ Warning ] /usr/bin/heirloom-mailx [ OK ] /usr/bin/w.procps [ Warning ] /sbin/depmod [ Warning ] /sbin/fsck [ Warning ] /sbin/ifconfig [ Warning ] /sbin/ifdown [ Warning ] /sbin/ifup [ Warning ] /sbin/init [ Warning ] /sbin/insmod [ Warning ] /sbin/ip [ Warning ] /sbin/lsmod [ Warning ] /sbin/modinfo [ Warning ] /sbin/modprobe [ Warning ] /sbin/rmmod [ Warning ] /sbin/route [ Warning ] /sbin/runlevel [ Warning ] /sbin/sulogin [ Warning ] /sbin/sysctl [ Warning ] /bin/bash [ Warning ] /bin/cat [ Warning ] /bin/chmod [ Warning ] /bin/chown [ Warning ] /bin/cp [ Warning ] /bin/date [ Warning ] /bin/df [ Warning ] /bin/dmesg [ Warning ] /bin/echo [ Warning ] /bin/ed [ OK ] /bin/egrep [ Warning ] /bin/fgrep [ Warning ] /bin/fuser [ OK ] /bin/grep [ Warning ] /bin/ip [ Warning ] /bin/kill [ Warning ] /bin/less [ OK ] /bin/login [ Warning ] /bin/ls [ Warning ] /bin/lsmod [ Warning ] /bin/mktemp [ Warning ] /bin/more [ Warning ] /bin/mount [ Warning ] /bin/mv [ Warning ] /bin/netstat [ Warning ] /bin/ping [ Warning ] /bin/ps [ Warning ] /bin/pwd [ Warning ] /bin/readlink [ Warning ] /bin/sed [ Warning ] /bin/sh [ Warning ] /bin/su [ Warning ] /bin/touch [ Warning ] /bin/uname [ Warning ] /bin/which [ OK ] /bin/kmod [ Warning ] /bin/dash [ Warning ] [Press <ENTER> to continue] Checking for rootkits... Performing check of known rootkit files and directories 55808 Trojan - Variant A [ Not found ] ADM Worm [ Not found ] AjaKit Rootkit [ Not found ] Adore Rootkit [ Not found ] aPa Kit [ Not found ] Apache Worm [ Not found ] Ambient (ark) Rootkit [ Not found ] Balaur Rootkit [ Not found ] BeastKit Rootkit [ Not found ] beX2 Rootkit [ Not found ] BOBKit Rootkit [ Not found ] cb Rootkit [ Not found ] CiNIK Worm (Slapper.B variant) [ Not found ] Danny-Boy's Abuse Kit [ Not found ] Devil RootKit [ Not found ] Dica-Kit Rootkit [ Not found ] Dreams Rootkit [ Not found ] Duarawkz Rootkit [ Not found ] Enye LKM [ Not found ] Flea Linux Rootkit [ Not found ] Fu Rootkit [ Not found ] Fuck`it Rootkit [ Not found ] GasKit Rootkit [ Not found ] Heroin LKM [ Not found ] HjC Kit [ Not found ] ignoKit Rootkit [ Not found ] IntoXonia-NG Rootkit [ Not found ] Irix Rootkit [ Not found ] Jynx Rootkit [ Not found ] KBeast Rootkit [ Not found ] Kitko Rootkit [ Not found ] Knark Rootkit [ Not found ] ld-linuxv.so Rootkit [ Not found ] Li0n Worm [ Not found ] Lockit / LJK2 Rootkit [ Not found ] Mood-NT Rootkit [ Not found ] MRK Rootkit [ Not found ] Ni0 Rootkit [ Not found ] Ohhara Rootkit [ Not found ] Optic Kit (Tux) Worm [ Not found ] Oz Rootkit [ Not found ] Phalanx Rootkit [ Not found ] Phalanx2 Rootkit [ Not found ] Phalanx2 Rootkit (extended tests) [ Not found ] Portacelo Rootkit [ Not found ] R3dstorm Toolkit [ Not found ] RH-Sharpe's Rootkit [ Not found ] RSHA's Rootkit [ Not found ] Scalper Worm [ Not found ] Sebek LKM [ Not found ] Shutdown Rootkit [ Not found ] SHV4 Rootkit [ Not found ] SHV5 Rootkit [ Not found ] Sin Rootkit [ Not found ] Slapper Worm [ Not found ] Sneakin Rootkit [ Not found ] 'Spanish' Rootkit [ Not found ] Suckit Rootkit [ Not found ] Superkit Rootkit [ Not found ] TBD (Telnet BackDoor) [ Not found ] TeLeKiT Rootkit [ Not found ] T0rn Rootkit [ Not found ] trNkit Rootkit [ Not found ] Trojanit Kit [ Not found ] Tuxtendo Rootkit [ Not found ] URK Rootkit [ Not found ] Vampire Rootkit [ Not found ] VcKit Rootkit [ Not found ] Volc Rootkit [ Not found ] Xzibit Rootkit [ Not found ] zaRwT.KiT Rootkit [ Not found ] ZK Rootkit [ Not found ] [Press <ENTER> to continue] Performing additional rootkit checks Suckit Rookit additional checks [ OK ] Checking for possible rootkit files and directories [ None found ] Checking for possible rootkit strings [ None found ] Performing malware checks Checking running processes for suspicious files [ None found ] Checking for login backdoors [ None found ] Checking for suspicious directories [ None found ] Checking for sniffer log files [ None found ] Performing Linux specific checks Checking loaded kernel modules [ OK ] Checking kernel module names [ OK ] [Press <ENTER> to continue] Checking the network... Performing checks on the network ports Checking for backdoor ports [ None found ] Checking for hidden ports [ Skipped ] Performing checks on the network interfaces Checking for promiscuous interfaces [ None found ] Checking the local host... Performing system boot checks Checking for local host name [ Found ] Checking for system startup files [ Found ] Checking system startup files for malware [ None found ] Performing group and account checks Checking for passwd file [ Found ] Checking for root equivalent (UID 0) accounts [ None found ] Checking for passwordless accounts [ None found ] Checking for passwd file changes [ Warning ] Checking for group file changes [ Warning ] Checking root account shell history files [ None found ] Performing system configuration file checks Checking for SSH configuration file [ Not found ] Checking for running syslog daemon [ Found ] Checking for syslog configuration file [ Found ] Checking if syslog remote logging is allowed [ Not allowed ] Performing filesystem checks Checking /dev for suspicious file types [ Warning ] Checking for hidden files and directories [ Warning ] [Press <ENTER> to continue] System checks summary ===================== File properties checks... Required commands check failed Files checked: 137 Suspect files: 122 Rootkit checks... Rootkits checked : 291 Possible rootkits: 0 Applications checks... All checks skipped The system checks took: 5 minutes and 11 seconds All results have been written to the log file (/var/log/rkhunter.log)

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  • power manger keeps on shuting down the display even when i state in the power manger to never do that.

    - by david25
    i'm probably missing something here, i'm using the default ubuntu power manger, i setup it like that: on AC: no screen dimming when ideal. never put computer to sleep. never put display to sleep. on battery i kept the default setting. and still ubuntu does what ever it likes :\ , after 15 min it puts the display to sleep. any one having the same problem and found a way to bypass it? im using eee pc with ubuntu 10.10 desktop.

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  • Parse and charset: why my script doesn't work

    - by Rebol Tutorial
    I want to extract attribute1 and attribute3 values only. I don't understand why charset doesn't seem to work in my case to "skip" any other attributes (attribute3 is not extracted as I would like): content: {<tag attribute1="valueattribute1" attribute2="valueattribute2" attribute3="valueattribute3"> </tag> <tag attribute2="valueattribute21" attribute1="valueattribute11" > </tag> } attribute1: [{attribute1="} copy valueattribute1 to {"} thru {"}] attribute3: [{attribute3="} copy valueattribute3 to {"} thru {"}] spacer: charset reduce [tab newline #" "] letter: complement spacer to-space: [some letter | end] attributes-rule: [(valueattribute1: none valueattribute3: none) [attribute1 | none] to-space [attribute3 | none] (print valueattribute1 print valueattribute3) | [attribute3 | none] to-space [attribute1 | none] (print valueattribute3 print valueattribute1 valueattribute1: none valueattribute3: none ) | none ] rule: [any [to {<tag } thru {<tag } attributes-rule {>} to {</tag>} thru {</tag>}] to end] parse content rule output is >> parse content rule valueattribute1 none == true >>

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  • Will Google harm my ad's rating if my display URL in adwords does not exist?

    - by Jubbat
    I have a service in a very big city, and to make my ads stand out, I display the name of the neighborhood in the display URL, although the actual URL is always the same page with my services for any neighborhood. Will google decrease my rating for this? In a different note, you can also express your ideas about if it's sensible to do this or not, ie, the client might feel I'm deceiving them. Although this will be subjective, unless there is some scientific study. Thank you!

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  • Can a local multiplayer iOS game display differently for each device?

    - by Rahil627
    I've seen games which display different data for two devices, but not more than two. If possible, can it be accomplished using GameKit? EDIT: More specifically, I was thinking local multiplayer via bluetooth or wi-fi on an iOS device. Most games I've seen display the same screen synchronized across all of the devices. I understand games that network across the internet do this, often using a server, but I haven't seen any examples of a 3+ device local multiplayer iOS game. I just want to make sure it wasn't some kind of limitation.

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  • Google Chrome Browser does not display the images from Local network or local host? [migrated]

    - by Arjang
    While developing and testing a site on local network I have noticed that while IE/FireFox would display the images coming from URL's like "http:\mypc" or "http:\localhost" or ip adress on the netwrok , google chrome on Galaxy, Windows Machine, or google Android will not display the images. After having burned too many hours trying various CSS, image src tag, html document description tricks, I have given up. During my search I found (and lost) the link to chrome forums regarding this issue that seemed to say it is just so by users. Anyone has any more information on weather it is possible to view images on local host/computer name on netwrok or ip adress?

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  • How can I operate on the active X display using a command in the console?

    - by G1i1ch
    I have problems where compiz freezes and I have to switch to another console(ctrl+alt+F1) to restart. But it would be easier if I could just do "$ compiz --replace" in the other console and not have to lose work or anything. But when I do this it says it can't open the display, makes sense because the display is open in console 7. Is there any way I can easily redirect a command to another console for it to be run there? Like for instance, be in console 1 and execute "$ compiz --replace" on console 7?

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  • Can I display ads on a site whose domain name includes a trademark?

    - by architect
    I own a domain containing a trademarked word. I don't want to get into trouble with the trademark owner so my plan is to use the domain to display information (wiki-style) about the service the trademark owner provides. My question is whether I can display ads on this website to make money. For example, let's say I own Google.org (Google being a trademark). On this domain I would write about the real Google (history, business etc.) Can I get into trouble for having ads on this page including ones that promote other search engines (Yahoo, Bing, etc.).

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  • How to put Powerpoint viewer full screen on secondary display?

    - by Andrew Grimm
    Using Powerpoint viewer (2010), I want to show a Powerpoint show on my secondary display, i.e. the projector, not on my laptop screen. However, Powerpoint viewer always does full screen presentations on the primary display, even if I move the Powerpoint viewer program to the secondary display. Powerpoint and multiple monitors shows how to configure which display a Powerpoint presentation is shown on for the full version of Powerpoint. But how do I do this for Powerpoint viewer? One workaround is to clone monitors rather than having separate monitors displaying different things, but I'm still wondering if there's a better way.

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  • Is there an IE8 setting for "minimum font size" to display?

    - by Clay Nichols
    When I look at our website in IE8 the text we have set to display smaller doesn't display smaller. But when I use BrowserShots.org it shows IE8 renderings with the smaller text appropriately smaller. So I'm thinking that there must be some setting in IE8 for "minimum font size to display". It's not the the TextSize (set to Medium) or Zoom setting (I set/reset zoom to 100%). It's something else. Any ideas?

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  • Does this syntax for specifying Django conditional form display align with python/django convention?

    - by andy
    I asked a similar question on Stackoverflow and was told it was better asked here. So I'll ask it slightly rephrased. I am working on a Django project, part of which will become a distributable plugin that allows the python/django developer to specify conditional form field display logic in the form class or model class. I am trying to decide how the developer must specify that logic. Here's an example: class MyModel(models.Model): #these are some django model fields which will be used in a form yes_or_no = models.SomeField...choices are yes or no... why = models.SomeField...text, but only relevant if yes_or_no == yes... elaborate_even_more = models.SomeField...more text, just here so we can have multiple conditions #here i am inventing some syntax...i am looking for suggestions!! #this is one possibility why.show_if = ('yes_or_no','==','yes') elaborate_even_more.show_if = (('yes_or_no','==','yes'),('why','is not','None')) #help me choose a syntax that is *easy*...and Pythonic and...Djangonic...and that makes your fingers happy to type! #another alternative... conditions = {'why': ('yes_or_no','==','yes'), 'elaborate_even_more': (('yes_or_no','==','yes'),('why','is not','None')) } #or another alternative... """Showe the field whiche hath the name *why* only under that circumstance in whiche the field whiche hath the name *yes_or_no* hath the value *yes*, in strictest equality.""" etc... Those conditions will be eventually passed via django templates to some javascript that will show or hide form fields accordingly. Which of those options (or please propose a better option) aligns better with conventions such that it will be easiest for the python/django developer to use? Also are there other considerations that should impact what syntax I choose?

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  • Expert F# &ndash; Pattern Matching with Adam and Eve

    - by MarkPearl
    So I am loving my Expert F# book. I wish I had more time with it, but the little time I get I really enjoy. However today I was completely stumped by what the book was trying to get across with regards to pattern matching. On Page 38 – Chapter 3, it briefly describes F# option values. On this page it gives the code snippet along the code lines below and then goes on to speak briefly about pattern matching... open System type 'a option = | None | Some of 'a let people = [ ("Adam", None); ("Eve", None); ("Cain", Some("Adam", "Eve")); ("Abel", Some("Adam", "Eve")) ] let showParents(name, parents) = match parents with | Some(dad, mum) -> printfn "%s has father %s, mother %s" name dad mum | None -> printfn "%s has no parents!" name Console.WriteLine(showParents("Adam", None))   Originally when I read this code I think I misunderstood the purpose of the example code. I for some reason thought that the showParents function would magically be parsing the people array and looking for a match of name and then showing the parents. But obviously it cannot do this since there is no reference to the people array in the showParents method. After rereading the page I realized that I had just combined the two segments of code together, possibly incorrectly, and that a better example would have been to have a code snippet like the following. let showParents(name, parents) = match parents with | Some(dad, mum) -> printfn "%s has father %s, mother %s" name dad mum | None -> printfn "%s has no parents!" name Console.WriteLine(showParents("Adam", None)) Console.WriteLine(showParents("Cain", Some("Adam", "Eve"))) Console.ReadLine()   However, what if I wanted to have a function that was passed a list of people and a name would then show the parents of the name if there were any, and if not would show that they had no parents… so that doesnt seem to difficult does it… lets look at my very unoptimized noob F# code to try and achieve this… open System let people = [ ("Adam", None); ("Eve", None); ("Cain", Some("Adam", "Eve")); ("Abel", Some("Adam", "Eve")) ] // // returns the name of the person // let showName(person : string * (string * string) option) = let name = fst(person) name // // Returns a string with the parents details or not // let showParents(itemData : string * (string * string) option) = let name = fst(itemData) let parents = snd(itemData) match parents with | Some(dad, mum) -> "Father " + dad + " and Mother " + mum | None -> "Has no parents!" // // Prints the details // let showDetails(person : string * (string * string) option) = Console.WriteLine(showName(person)) Console.WriteLine(showParents(person)) // // Check if the name matches the first portion of person // if so, return true, else return false // let nameMatch(name : string , person : string * (string * string) option) = match name with | x when x = fst(person) -> true | _ -> false // // Searches an array of people and looks for a match of names // let findPerson(name : string, people : (string * (string * string) option) list) = let o = Seq.tryFind(fun x -> nameMatch(name, x)) people if Option.isSome o then o else Option.None // // Try and find a person, if found show their details // else show no match // let FoundPerson = findPerson("Cain", people) match FoundPerson with | None -> Console.WriteLine("Not found") | Some(x) -> showDetails(x) Console.ReadLine() So, my code isn’t the cleanest but it did teach me a bit more F#. The area that I learnt about was the option keyword. The challenge being, if a match of the name isn’t found – and if a name is found but the person doesn’t have parents it should react accordingly. I’m pretty sure I can optimize this code quite a bit more and I think I may come back to it sometime in the future and relook at it, but for now at least I was able to achieve what I wanted.. and my brain has gone just that wee little bit more functional.

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  • Update element values using xml.dom.minidom

    - by amnesia-55
    Hello, I have an XML structure which looks similar to: <Store> <foo> <book> <isbn>123456</isbn> </book> <title>XYZ</title> <checkout>no</checkout> </foo> <bar> <book> <isbn>7890</isbn> </book> <title>XYZ2</title> <checkout>yes</checkout> </bar> </Store> Using xml.dom.minidom only (restrictions) i would like to 1)traverse through the XML file 2)Search/Get for particular element, depending on its parent Example: checkout element for author1, isbn for author2 3)Change/Set that element's value 4)Write the new XML structure to a file Can anyone help here? Thank you! UPDATE: This is what i have done till now import xml.dom.minidom checkout = "yes" def getLoneChild(node, tagname): assert ((node is not None) and (tagname is not None)) elem = node.getElementsByTagName(tagname) if ((elem is None) or (len(elem) != 1)): return None return elem def getLoneLeaf(node, tagname): assert ((node is not None) and (tagname is not None)) elem = node.getElementsByTagName(tagname) if ((elem is None) or (len(elem) != 1)): return None leaf = elem[0].firstChild if (leaf is None): return None return leaf.data def setcheckout(node, tagname): assert ((node is not None) and (tagname is not None)) child = getLoneChild(node, 'foo') Check = getLoneLeaf(child[0],'checkout') Check = tagname return Check doc = xml.dom.minidom.parse('test.xml') root = doc.getElementsByTagName('Store')[0] output = setcheckout(root, checkout) tmp_config = '/tmp/tmp_config.xml' fw = open(tmp_config, 'w') fw.write(doc.toxml()) fw.close()

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  • Javascript Selectbox refresh necessary in YUI 3, when selecting none?

    - by Jasie
    Hi all, I'm using YUI 3 to let someone click "Select All" or "Select None" and then have the selectbox select all the items or unselect all of them, respectively. Here's my code: // This selects all Y.on('click',function (e) { selectBoxNode.get("options").each(function () { this.removeAttribute('selected'); this.setAttribute('selected','selected'); }); }, selectAllNode ); // This selects none Y.on('click',function (e) { selectBoxNode.get("options").each(function () { this.setAttribute('selected','false'); this.removeAttribute('selected'); }); selectBoxNode.('selectedIndex',-1); }, selectNoneNode ); selectAllLink, selectNoneLink, and selectBoxNode are self-evident, properly returned Nodes. Update: selectAll works, I had to manually remove the 'selected' attribute for each and re-add it. The selectNoneLink doesn't work: it unselects only the elements that weren't before selected... although DOM inspection shows that the selectedIndex attribute is indeed changed to -1, so maybe it needs a refresh? Any help would be appreciated. If this happens in all frameworks, that would be nice to know as well. Thanks!

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  • An html input box isn't being displayed, Firebug says it has style="display: none" but I haven't don

    - by Ankur
    I have placed a form on a page which looks like this: <form id="editClassList" name="editClassList" method="get" action="EditClassList"> <label> <input name="class-to-add" id="class-to-add" size="42" type="text"> </label> <label> <input name="save-class-btn" id="save-class-btn" value="Save Class(es)" type="submit"> </label> </form> But when it get's rendered by a browser it comes out like this: <form id="editClassList" name="editClassList" method="get" action="EditClassList"> <label> <input style="display: none;" name="class-to-add" id="class-to-add" size="42" type="text"> </label> <label> <input name="save-class-btn" id="save-class-btn" value="Save Class(es)" type="submit"> </label> </form> For some reason style="display: none;" is being added, and I cann't understand why. This results in the text box not displaying.

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  • Div's are not filtered as :hidden when display:none; is appended as style

    - by CodeMonkey
    Hey folks I have some simple HTML: <div id="selectorContainer"> <div id="chainedSelector" style="display: none;"><% Html.RenderPartial("ProjectSuggest/ChainedProjectSelector"); %></div> <div id="suggestSelector"><% Html.RenderPartial("ProjectSuggest/SuggestControl", new SuggestModeDTO{RegistrationMode = Model.RegistrationMode}); %></div> </div> which is two containers for controls. I have jQuery code to toggle between displaying these, but I need to store as a cookie which one was used last time the user was logged in (i.e. which one was visible). The storing of the cookie is not the problem. The problem is that I for some reason am not able to detect which one is the hidden one, using .is(":hidden"), and not able to detect which one is visible using .is(":visible") When I use those two selectors, I always get both. "true" and "true" for both, eventhough one has display: none; and the other doesn't. Please note that they are NOT placed inside a hidden container which otherwise would hide both, so there are not any hidden ancestor containers. Can anyone maybe explain why this could happen? jQuery code containing source for getting the Id's and for getting the selected one (which currently is broken): getChainedSelectorId: function() { return "#chainedSelector"; }, getSuggestSelectorId: function() { return "#suggestSelector"; }, getSelectedSelector: function() { alert($(this.getChainedSelectorId()).is(":hidden")); alert($(this.getSuggestSelectorId()).is(":hidden")); var selected = ($(this.getChainedSelectorId()).is(":visible") ? this.getChainedSelectorId() : this.getSuggestSelectorId()); alert(selected); return selected; }, Thanks in advance.

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  • What is the default file system of /var/run, /var/lock

    - by Casey
    Trying to figure out if my /var/run is using disk or not. See the command output: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg0-root 40G 15G 26G 36% / none 3.9G 340K 3.9G 1% /dev none 3.9G 1.1M 3.9G 1% /dev/shm tmpfs 3.9G 600K 3.9G 1% /tmp none 3.9G 452K 3.9G 1% /var/run none 3.9G 0 3.9G 0% /var/lock none 3.9G 0 3.9G 0% /lib/init/rw /dev/md0 236M 59M 165M 27% /boot /dev/mapper/vg0-home 60G 58G 2.3G 97% /home

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  • what's wrong with this Lua code (creating text inside listener in Corona)

    - by Greg
    If you double/triple click on the myObject here the text does NOT disappear. Why is this not working when there are multiple events being fired? That is, are there actually multiple "text" objects, with some existing but no longer having a reference to them held by the local "myText" variable? Do I have to manually removeSelf() on the local "myText" field before assigning it another "display.newText(...)"? display.setStatusBar( display.HiddenStatusBar ) local myText local function hideMyText(event) print ("hideMyText") myText.isVisible = false end local function showTextListener(event) if event.phase == "began" then print("showTextListener") myText = display.newText("Hello World!", 0, 0, native.systemFont, 30) timer.performWithDelay(1000, hideMyText, 1 ) end end -- Display object to press to show text local myObject = display.newImage( "inventory_button.png", display.contentWidth/2, display.contentHeight/2) myObject:addEventListener("touch", showTextListener) Question 2 - Also why is it the case that if I add a line BEFORE "myText = ..." of: a) "if myText then myText:removeSelf() end" = THIS FIXES THINGS, whereas b) "if myText then myText=nil end" = DOES NOT FIX THINGS Interested in hearing how Lua works here re the answer...

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  • How do I fix the HDMI/DVI display output with Intel HD 4000 Graphics in 12.04?

    - by YumYumYum
    I have an Alienware Dell PC with Intel HD 4000 Graphics (Ivy Bridge) as verified by the output of lspci | grep VGA posted below. 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) The PC only has HDMI and DVI display outputs and using the HDMI output I am only being offered abnormal resolutions. As you can see below it does not even list HDMI1 or DVI1 but just only a fallback. $ export DISPLAY=:0.0 && xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1360 x 768, maximum 1360 x 768 default connected 1360x768+0+0 0mm x 0mm 1360x768 0.0* 1024x768 0.0 800x600 0.0 640x480 0.0 How can I fix this? Does it just need to be configured differently or will I need to use a newer kernel (as Intel Graphics drivers are included in the kernel)? Follow up: kernel to latest Step 1: Go to: http://kernel.ubuntu.com/~kernel-ppa/mainline/ Go to last: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/ Download: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-headers-3.6.0-030600rc3-generic_3.6.0-030600rc3.201208221735_amd64.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-headers-3.6.0-030600rc3_3.6.0-030600rc3.201208221735_all.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-image-3.6.0-030600rc3-generic_3.6.0-030600rc3.201208221735_amd64.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-image-extra-3.6.0-030600rc3-generic_3.6.0-030600rc3.201208221735_amd64.deb Step 2: sudo dpkg -i linux*.deb Step 3: reboot which shows that i have Ubuntu 12.04 with latest $ uname -a Linux sun-Alienware-X51 3.6.0-030600rc3-generic #201208221735 SMP Wed Aug 22 21:36:32 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux But still same problem remain.

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  • Xlib: extension "GLX" missing on display ":0". Asus k53s

    - by Steve
    I had everything working fine, I use a number of openGL graphics software, example pymol, mgltools, vmd, ballview, rasmol etc. All of these give the error: Xlib: extension "GLX" missing on display ":0". and fail to initialize. I have an i7 asus k53s with nvidia gforce I need these to do my work. I tried the umblebee fix, and just removing all nvidia drivers, or rolling back. I do not know why these were working then stopped, but did notice a new nvidia console in the mu which I assume was from enabling the automatic nvidia feeds, etc? I also played with the xorg, however have no clue what settings are valid. In addition, the display is 50% of the time not recognized now? It just gives a geeic 640x480 and I have to login and out 10 times to get it to return to a normal setting. When I try and set it manual, there is no other setting allowed from the settings menus, and the terminal changes just get re set every time I log out?

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  • Why is my hard drive mounted on /boot?

    - by divided
    I was doing an update and it said that the drive was full. Here is df -h: Filesystem Size Used Avail Use% Mounted on 78G 2.7G 72G 4% / none 242M 184K 242M 1% /dev none 247M 0 247M 0% /dev/shm none 247M 48K 247M 1% /var/run none 247M 0 247M 0% /var/lock none 247M 0 247M 0% /lib/init/rw /dev/sda1 228M 225M 0 100% /boot How can I fix /dev/sda1 being mounted on /boot?

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