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• overridden three20 TTDefaultStyleSheet style not working

  - by funkadelic

  hi, i recently got three20 integrated into my app and am trying to override the default toolbar color in TTWebController. In TTWebController.m:118 I see that this is setting the toolbar's tintColor: _toolbar.tintColor = TTSTYLEVAR(toolbarTintColor); So I created my own stylesheet that subclasses TTDefaultStyleSheet and overrides toolbarTintColor FooStyleSheet.h: #import <Three20Style/Three20Style.h> #import <Three20Style/TTStyleSheet.h> #import <Three20Style/TTDefaultStyleSheet.h> @interface FooStyleSheet : TTDefaultStyleSheet @property (nonatomic, readonly) UIColor* toolbarTintColor; @end FooStyleSheet.m: #import "FooStyleSheet.h" @implementation RaptrStyleSheet - (UIColor*)toolbarTintColor { return RGBCOLOR(0, 0, 0); // should override TTDefaultStyleSheet } @end and in my application:didFinishLaunchingWithOptions: i set my default stylesheet [TTStyleSheet setGlobalStyleSheet:[[[FooStyleSheet alloc] init] autorelease]]; but when I view the TTWebController, it doesn't inherit my tintColor. If I edit TTDefaultStyleSheet.m directly: - (UIColor*)toolbarTintColor { return [UIColor blackColor]; } it works as expected. Is there something I am overlooking that is preventing my style to be picked up? thanks, -norm

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• Beginner learning assembly preserving esp after function calls

  - by Daniel

  I'm a beginner learning some assembly, when preserving the ESP register before a function call does it matter if you do it by adding or subtracting? hard to explain, consider the following mov esi, esp sub esp, 12 // on 32bit OS this would mean that there are 3 arguments to the function // push, function call etc cmp esi, esp // should be the same or mov esi, esp // push, function call etc add esp, 12 cmp esi, esp // should be the same Also if for some reason the cmp fails, is it safe to do mov esp, esi to re-align the stack? Thanks EDIT: Also how come i need to do this for a call like sprintf, but MessageBox seems to fix ESP for me? How am i to know what function needs this and what doesn't?

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• Is there a way to avoid putting the Perl version number into the "use lib" line for Perl modules in

  - by Kinopiko

  I am trying to install some Perl modules into a non-standard location, let's call it /non/standard/location. In the script which uses the module, it seems to be necessary to specify a long directory path including the version of Perl, like so: #!/usr/local/bin/perl use lib '/non/standard/location/lib/perl5/site_perl/5.8.9/'; use A::B; Is there any use lib or other statement which I can use which is not so long and verbose, and which does not include the actual version of Perl, in order that I don't have to go back and edit this out of the program if the version of Perl is upgraded?

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• ADO Entity Framework 4 to WPF Datagrid. DatagridComboBox nightmare.

  - by Jason

  The WPF datagrid -seems- like it's going to work, but the combobox implementation does not work straight from the designer. So I'm left wandering around in the XAML randomly changing things trying to get it to work. The problems are numerous. I want to display a foreign key relationship (with drop down) instead of a bunch of numbers for a selection. It seems like it shouldn't be this hard. I can get the right values to show up (their description instead of an ID), but the table freaks out thinking that all the values have been modified. If I select a drop down, it refuses to allow me to edit anything else. I want to chalk this up as a .NET bug, but since I'm new to WPF datagrids, it's probably just me. Here is the code. <DataGridComboBoxColumn Header="Make Up" ItemsSource="{Binding Source={StaticResource materialMakeUpTypesViewSource}}" DisplayMemberPath="Description" TextBinding="{Binding Path=MaterialMakeUpType.Description}" SelectedItemBinding="{Binding Path=MaterialMakeUpType.Description}" SelectedValueBinding="{Binding Path=MaterialMakeUpType.ID}" />

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• Problem making system calls with PHP scripts

  - by mazin k.

  I have the following PHP script: <?php $fortune = `fortune`; echo $fortune; ?> but the output is simply blank (no visible errors thrown). However, if I run php -a, it works: php > echo `fortune`; Be careful of reading health books, you might die of a misprint. -- Mark Twain php > Am I missing a config directive or something that would cause this? Edit: So, I tried running my script using $ php-cgi fortunetest.php and it worked as expected. Maybe the issue is with Apache2?

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• C++ Profiling: KiFastSystemCallRet

  - by John

  I searched for this after seeing it's the top rated item when profiling using Very Sleepy, and it seems everyone gets the answer "it's a system function, ignore it". But Sleepy's hint for the function says: Hint: KiFastSystemCallRet often means the thread was waiting for something else to finish. Possible causes might be disk I/O, waiting for an event, or maybe just calling Sleep(). Now, my app is absolutely thrashing the CPU and so it's a bit weird 33% of the time is spent waiting for something to happen. Do I really just ignore it? EDIT: apparently, 77% of the calls to this come from QueryOglResource (?) which is in module nvd3dnum. I think that might be nvidia Direct3D stuff, i.e rendering.

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• django modelformset - one form per related table row

  - by Toby

  Hello, I have two models: class Model1(): name = CharField() url = CharField() class Model2(): model1 = ForeignKey(Model1) user = ForeignKey(User) zzz = CharField() There are 5 rows for model1 in the database, these are fixed and will rarely change. I need to display a formset for model2 that allows users to enter the zzz value, the formset must always show one form per row in the model1 table, the label for each form in the formset must be the name of the related model1. If the user deletes a model2 in the formset the next time the page loads it will render an empty zzz value for that form and the user must be able to edit the previous zzz value - meaning it must be pre populated with all model2 rows associated with the user. The idea is to print each row in the model1 table as a form instead of the user selecting the related model1 name in a select box. I know its not that complicated, but I'm seriously stumped and keep going round in circles!! Many thanks in advance. Similar to http://stackoverflow.com/questions/298779/form-or-formset-to-handle-multiple-table-rows-in-django

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• Ball to Ball Collision - Detection and Handling

  - by Simucal

  With the help of the Stack Overflow community I've written a pretty basic-but fun physics simulator. You click and drag the mouse to launch a ball. It will bounce around and eventually stop on the "floor". My next big feature I want to add in is ball to ball collision. The ball's movement is broken up into a x and y speed vector. I have gravity (small reduction of the y vector each step), I have friction (small reduction of both vectors each collision with a wall). The balls honestly move around in a surprisingly realistic way. I guess my question has two parts: What is the best method to detect ball to ball collision? Do I just have an O(n^2) loop that iterates over each ball and checks every other ball to see if it's radius overlaps? What equations do I use to handle the ball to ball collisions? Physics 101 How does it effect the two balls speed x/y vectors? What is the resulting direction the two balls head off in? How do I apply this to each ball? Handling the collision detection of the "walls" and the resulting vector changes were easy but I see more complications with ball-ball collisions. With walls I simply had to take the negative of the appropriate x or y vector and off it would go in the correct direction. With balls I don't think it is that way. Some quick clarifications: for simplicity I'm ok with a perfectly elastic collision for now, also all my balls have the same mass right now, but I might change that in the future. In case anyone is interested in playing with the simulator I have made so far, I've uploaded the source here (EDIT: Check the updated source below). Edit: Resources I have found useful 2d Ball physics with vectors: 2-Dimensional Collisions Without Trigonometry.pdf 2d Ball collision detection example: Adding Collision Detection Success! I have the ball collision detection and response working great! Relevant code: Collision Detection: for (int i = 0; i < ballCount; i++) { for (int j = i + 1; j < ballCount; j++) { if (balls[i].colliding(balls[j])) { balls[i].resolveCollision(balls[j]); } } } This will check for collisions between every ball but skip redundant checks (if you have to check if ball 1 collides with ball 2 then you don't need to check if ball 2 collides with ball 1. Also, it skips checking for collisions with itself). Then, in my ball class I have my colliding() and resolveCollision() methods: public boolean colliding(Ball ball) { float xd = position.getX() - ball.position.getX(); float yd = position.getY() - ball.position.getY(); float sumRadius = getRadius() + ball.getRadius(); float sqrRadius = sumRadius * sumRadius; float distSqr = (xd * xd) + (yd * yd); if (distSqr <= sqrRadius) { return true; } return false; } public void resolveCollision(Ball ball) { // get the mtd Vector2d delta = (position.subtract(ball.position)); float d = delta.getLength(); // minimum translation distance to push balls apart after intersecting Vector2d mtd = delta.multiply(((getRadius() + ball.getRadius())-d)/d); // resolve intersection -- // inverse mass quantities float im1 = 1 / getMass(); float im2 = 1 / ball.getMass(); // push-pull them apart based off their mass position = position.add(mtd.multiply(im1 / (im1 + im2))); ball.position = ball.position.subtract(mtd.multiply(im2 / (im1 + im2))); // impact speed Vector2d v = (this.velocity.subtract(ball.velocity)); float vn = v.dot(mtd.normalize()); // sphere intersecting but moving away from each other already if (vn > 0.0f) return; // collision impulse float i = (-(1.0f + Constants.restitution) * vn) / (im1 + im2); Vector2d impulse = mtd.multiply(i); // change in momentum this.velocity = this.velocity.add(impulse.multiply(im1)); ball.velocity = ball.velocity.subtract(impulse.multiply(im2)); } Source Code: Complete source for ball to ball collider. Binary: Compiled binary in case you just want to try bouncing some balls around. If anyone has some suggestions for how to improve this basic physics simulator let me know! One thing I have yet to add is angular momentum so the balls will roll more realistically. Any other suggestions? Leave a comment!

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• Closing ASPxPopupControl and Reset Login Dialogs

  - by Fitzroy Wright

  I am creating a login usercontrol. I have added the following buttons: Recover Password, Change Password & Edit Profile. I am using DevExpress's ASPxPopupControl to host the functions associated with those three buttons. There are two problems When the popup is opened I need to be able to close/hide it using a command button When a user starts using one of the login controls and chooses to close the dialog the next time the dialog is opened it does not start at the beginning. (e.g. Start the change password dialog, enter some information, close the popup; the information you started with is not cleared) Any ideas?

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• Java 2D Game Frameworks

  - by Software Monkey

  I have been looking at frameworks for writing 2D games in Java - part of a growing desire to rediscover my roots in writing those simple but addictive video games. I have googled and found some possibilities, but it's hard to judge which is best without investing significant time in each. Does anyone out there have any recommendations from experience, preferably with a list of pro's and con's for the framework. NOTE: I am not looking so much for comparisons between frameworks but, rather, feedback on any given framework from actually having used it firsthand, or knowing someone who has. The other possibility I am considering is rolling my own, but would rather not. EDIT: I am targeting Java on the Desktop, and expect capable machines, though not state of the art. Some of the 2D engines I have found: Free PulpCore (License: BSD) Slick2D (License: BSD) GTGE - Golden T Game Engine JGame GAGE - Genuine Advantage Gaming Engine GameFrame for Java Basilisk (2D and 3D) Free for non-commercial use Genuts EasyWay - a high-level 2D engine

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• creating Linq to sqlite dbml from DbLinq source code

  - by Veer

  Hi All, I tried to create linq-to-sqlite dbml using DbLinq but in vain. Each time I get different type of errors. May be I'm somewhere wrong. Can anyone tell me the step by step procedure to create the dbml file from the Dblinq source code. Edit: Steps I Followed: I downloaded the source file from this link. Edited the "run_sqliteMetal.bat" file in \\DbLinq-0.19\src\DbMetal folder as 'DbMetal.exe -database:myDb.db3 -namespace:myNS -code:myCode.cs' -dbml:myDbml.dbml Tried to run the DbMetal project file to produce the executable but there was a runtime error since Options object in Parameters.cs was null. Hence downloaded the readymade exe file from this location Copied it into the \DbLinq-0.19\src\DbMetal folder Executed the "run_sqliteMetal.bat" file I got a blank screen and Windows Error Msg "DbLinq has stopped Working" Any help? Thanks in advance, Veer

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• Android JSON HttpClient to send data to PHP server with HttpResponse

  - by Scoobler

  I am currently trying to send some data from and Android application to a php server (both are controlled by me). There is alot of data collected on a form in the app, this is written to the database. This all works. In my main code, firstly I create a JSONObject (I have cut it down here for this example): JSONObject j = new JSONObject(); j.put("engineer", "me"); j.put("date", "today"); j.put("fuel", "full"); j.put("car", "mine"); j.put("distance", "miles"); Next I pass the object over for sending, and receive the response: String url = "http://www.server.com/thisfile.php"; HttpResponse re = HTTPPoster.doPost(url, j); String temp = EntityUtils.toString(re.getEntity()); if (temp.compareTo("SUCCESS")==0) { Toast.makeText(this, "Sending complete!", Toast.LENGTH_LONG).show(); } The HTTPPoster class: public static HttpResponse doPost(String url, JSONObject c) throws ClientProtocolException, IOException { HttpClient httpclient = new DefaultHttpClient(); HttpPost request = new HttpPost(url); HttpEntity entity; StringEntity s = new StringEntity(c.toString()); s.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json")); entity = s; request.setEntity(entity); HttpResponse response; response = httpclient.execute(request); return response; } This gets a response, but the server is returning a 403 - Forbidden response. I have tried changing the doPost function a little (this is actually a little better, as I said I have alot to send, basically 3 of the same form with different data - so I create 3 JSONObjects, one for each form entry - the entries come from the DB instead of the static example I am using). Firstly I changed the call over a bit: String url = "http://www.orsas.com/ServiceMatalan.php"; Map<String, String> kvPairs = new HashMap<String, String>(); kvPairs.put("vehicle", j.toString()); // Normally I would pass two more JSONObjects..... HttpResponse re = HTTPPoster.doPost(url, kvPairs); String temp = EntityUtils.toString(re.getEntity()); if (temp.compareTo("SUCCESS")==0) { Toast.makeText(this, "Sending complete!", Toast.LENGTH_LONG).show(); } Ok so the changes to the doPost function: public static HttpResponse doPost(String url, Map<String, String> kvPairs) throws ClientProtocolException, IOException { HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost(url); if (kvPairs != null && kvPairs.isEmpty() == false) { List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(kvPairs.size()); String k, v; Iterator<String> itKeys = kvPairs.keySet().iterator(); while (itKeys.hasNext()) { k = itKeys.next(); v = kvPairs.get(k); nameValuePairs.add(new BasicNameValuePair(k, v)); } httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); } HttpResponse response; response = httpclient.execute(httppost); return response; } Ok So this returns a response 200 int statusCode = re.getStatusLine().getStatusCode(); However the data received on the server cannot be parsed to a JSON string. It is badly formatted I think (this is the first time I have used JSON): If in the php file I do an echo on $_POST['vehicle'] I get the following: {\"date\":\"today\",\"engineer\":\"me\"} Can anyone tell me where I am going wrong, or if there is a better way to achieve what I am trying to do? Hopefully the above makes sense!

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• Location.getTime() returning a future time.

  - by fiXedd

  The following code: // get the last known location Criteria c = new Criteria(); c.setAccuracy(Criteria.ACCURACY_FINE); Location lastKnown = mLocationManager.getLastKnownLocation(mLocationManager.getBestProvider(c, true)); // compare times long currentTime = System.currentTimeMillis(); long gpsTime = lastKnown.getTime(); long age = (currentTime - gpsTime) / 1000; Gives me: currentTime = 1270062152738 gpsTime = 1270085378000 age = -23225 If you'll notice, it's returning the last location fix's time as a time in the future. Why is this happening? EDIT: From Location.getTime() : Returns the UTC time of this fix, in milliseconds since January 1, 1970. From System.currentTimeMillis() : Returns the current system time in milliseconds since January 1, 1970 00:00:00 UTC. This method shouldn't be used for measuring timeouts or other elapsed time measurements, as changing the system time can affect the results.

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• 12.04 upgrade broke grub? (not wubi related)

  - by kaare

  I just updated from 11.10 to 12.04, with no major problems (it took a while to get past a request to restart ssh, mysql and some other services, but I did no fiddling by myself, everything was done by the installer). However, after restarting, grub can't do anything. Picking the new linux installation (first entry), I just get error: no such partition error: no such partition error: no such partition and picking the recovery-version just gives 5 lines instead of 3. I have windows 7 installed on a different drive, and can run it by booting from that drive instead. Picking it from the grub menu gives the same error as above (can't remember how many lines, though). I'll be honest and say that I don't remember if win 7 could be booted from grub before the update, though. In short, nothing on the grub menu works. any solutions? The grub menu changed appearance - before it was on a purple background, small letters, now it's white-on-black, big letters, looking very basic. The original installation was from a usb-drive, and I hadn't heard about wubi until I started googling this problem, so I doubt there's any connection. I really hope there are some grub-savvy people out there :) EDIT: ok. so, I made a bootable usb, and am running from that right now. when I ran the bootinfoscript, it warned me that "gawk" could not be found, using "busybox awk" instead. This may lead to unreliable results. just so you know. The contents of RESULTS.txt are: Boot Info Script 0.61 [1 April 2012] ============================= Boot Info Summary: =============================== => Windows is installed in the MBR of /dev/sda. => Grub2 (v1.99) is installed in the MBR of /dev/sdb and looks at sector 1 of the same hard drive for core.img. core.img is at this location and looks for (,msdos3)/boot/grub on this drive. => Syslinux MBR (4.04 and higher) is installed in the MBR of /dev/sdc. sda1: __________________________________________ File system: vfat Boot sector type: Dell Utility: FAT16 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files: /DELLBIO.BIN /DELLRMK.BIN /COMMAND.COM sda2: __________________________________________ File system: ntfs Boot sector type: Windows Vista/7: NTFS Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files: sda3: __________________________________________ File system: ntfs Boot sector type: Windows Vista/7: NTFS Boot sector info: No errors found in the Boot Parameter Block. Operating System: Windows 7 Boot files: /bootmgr /Boot/BCD /Windows/System32/winload.exe sda4: __________________________________________ File system: Extended Partition Boot sector type: - Boot sector info: sda5: __________________________________________ File system: vfat Boot sector type: Windows 7: FAT32 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Windows XP Boot files: /boot.ini /bootmgr /ntldr /NTDETECT.COM sdb1: __________________________________________ File system: ntfs Boot sector type: Windows XP: NTFS Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files: sdb2: __________________________________________ File system: swap Boot sector type: - Boot sector info: sdb3: __________________________________________ File system: ext4 Boot sector type: Grub2 (v1.99) Boot sector info: Grub2 (v1.99) is installed in the boot sector of sdb3 and looks at sector 375893584 of the same hard drive for core.img. core.img is at this location and looks for (,msdos3)/boot/grub on this drive. Operating System: Ubuntu 12.04 LTS Boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img sdb4: __________________________________________ File system: ext4 Boot sector type: - Boot sector info: Operating System: Boot files: sdc1: __________________________________________ File system: ntfs Boot sector type: SYSLINUX 4.06 4.06-pre1 Boot sector info: Syslinux looks at sector 4649656 of /dev/sdc1 for its second stage. SYSLINUX is installed in the directory. The integrity check of the ADV area failed. No errors found in the Boot Parameter Block. Operating System: Boot files: /boot/grub/grub.cfg /syslinux/syslinux.cfg /ldlinux.sys ============================ Drive/Partition Info: ============================= Drive: sda _______________________________________ Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes Partition Boot Start Sector End Sector # of Sectors Id System /dev/sda1 63 240,974 240,912 de Dell Utility /dev/sda2 241,664 21,213,183 20,971,520 7 NTFS / exFAT / HPFS /dev/sda3 * 21,213,184 483,151,863 461,938,680 7 NTFS / exFAT / HPFS /dev/sda4 483,151,872 488,394,751 5,242,880 f W95 Extended (LBA) /dev/sda5 483,153,920 488,394,751 5,240,832 dd Dell Media Direct Drive: sdb _______________________________________ Disk /dev/sdb: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes Partition Boot Start Sector End Sector # of Sectors Id System /dev/sdb1 63 345,886,749 345,886,687 7 NTFS / exFAT / HPFS /dev/sdb2 345,888,768 361,510,911 15,622,144 82 Linux swap / Solaris /dev/sdb3 * 361,510,912 390,807,786 29,296,875 83 Linux /dev/sdb4 390,809,600 488,394,751 97,585,152 83 Linux Drive: sdc _______________________________________ Disk /dev/sdc: 8015 MB, 8015282176 bytes 255 heads, 63 sectors/track, 974 cylinders, total 15654848 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes Partition Boot Start Sector End Sector # of Sectors Id System /dev/sdc1 * 2,048 15,652,863 15,650,816 7 NTFS / exFAT / HPFS "blkid" output: ____________________________________ Device UUID TYPE LABEL /dev/loop0 squashfs /dev/sda1 07D8-0411 vfat DellUtility /dev/sda2 E2765BBC765B9061 ntfs RECOVERY /dev/sda3 98DC5E54DC5E2D2E ntfs OS /dev/sda5 7061-9DF5 vfat MEDIADIRECT /dev/sdb1 01CBBB4C3374C3B0 ntfs Data1 /dev/sdb2 1ca45f3f-f888-43d1-8137-02699597189a swap /dev/sdb3 6bc1b599-ad4b-403c-a155-a5bc81211f5e ext4 /dev/sdb4 58e2b257-8608-4b11-b20b-dc162bb80b62 ext4 /dev/sdc1 0C02B64402B63316 ntfs PENDRIVE ================================ Mount points: ================================= Device Mount_Point Type Options /dev/loop0 /rofs squashfs (ro,noatime) /dev/sdb4 /media/58e2b257-8608-4b11-b20b-dc162bb80b62 ext4 (rw,nosuid,nodev,uhelper=udisks) /dev/sdc1 /cdrom fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096) ================================ sda5/boot.ini: ================================ [boot loader] timeout=0 default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Embedded" /fastdetect /KERNEL=NTOSBOOT.EXE /maxmem=1024 =========================== sdb3/boot/grub/grub.cfg: =========================== -------------------------------------------------------------------------------- # # DO NOT EDIT THIS FILE # # It is automatically generated by grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; then set have_grubenv=true load_env fi set default="0" if [ "${prev_saved_entry}" ]; then set saved_entry="${prev_saved_entry}" save_env saved_entry set prev_saved_entry= save_env prev_saved_entry set boot_once=true fi function savedefault { if [ -z "${boot_once}" ]; then saved_entry="${chosen}" save_env saved_entry fi } function recordfail { set recordfail=1 if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi } function load_video { insmod vbe insmod vga insmod video_bochs insmod video_cirrus } insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=auto load_video insmod gfxterm insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e set locale_dir=($root)/boot/grub/locale set lang=en_US insmod gettext fi terminal_output gfxterm if [ "${recordfail}" = 1 ]; then set timeout=-1 else set timeout=10 fi ### END /etc/grub.d/00_header ### ### BEGIN /etc/grub.d/05_debian_theme ### set menu_color_normal=white/black set menu_color_highlight=black/light-gray if background_color 44,0,30; then clear fi ### END /etc/grub.d/05_debian_theme ### ### BEGIN /etc/grub.d/10_linux ### function gfxmode { set gfxpayload="$1" if [ "$1" = "keep" ]; then set vt_handoff=vt.handoff=7 else set vt_handoff= fi } if [ ${recordfail} != 1 ]; then if [ -e ${prefix}/gfxblacklist.txt ]; then if hwmatch ${prefix}/gfxblacklist.txt 3; then if [ ${match} = 0 ]; then set linux_gfx_mode=keep else set linux_gfx_mode=text fi else set linux_gfx_mode=text fi else set linux_gfx_mode=keep fi else set linux_gfx_mode=text fi export linux_gfx_mode if [ "$linux_gfx_mode" != "text" ]; then load_video; fi menuentry 'Ubuntu, with Linux 3.2.0-24-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e linux /boot/vmlinuz-3.2.0-24-generic root=UUID=6bc1b599-ad4b-403c-a155-a5bc81211f5e ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-24-generic } menuentry 'Ubuntu, with Linux 3.2.0-24-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e echo 'Loading Linux 3.2.0-24-generic ...' linux /boot/vmlinuz-3.2.0-24-generic root=UUID=6bc1b599-ad4b-403c-a155-a5bc81211f5e ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-24-generic } submenu "Previous Linux versions" { menuentry 'Ubuntu, with Linux 3.0.0-19-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e linux /boot/vmlinuz-3.0.0-19-generic root=UUID=6bc1b599-ad4b-403c-a155-a5bc81211f5e ro quiet splash $vt_handoff initrd /boot/initrd.img-3.0.0-19-generic } menuentry 'Ubuntu, with Linux 3.0.0-19-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e echo 'Loading Linux 3.0.0-19-generic ...' linux /boot/vmlinuz-3.0.0-19-generic root=UUID=6bc1b599-ad4b-403c-a155-a5bc81211f5e ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-3.0.0-19-generic } } ### END /etc/grub.d/10_linux ### ### BEGIN /etc/grub.d/20_linux_xen ### ### END /etc/grub.d/20_linux_xen ### ### BEGIN /etc/grub.d/20_memtest86+ ### menuentry "Memory test (memtest86+)" { insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e linux16 /boot/memtest86+.bin } menuentry "Memory test (memtest86+, serial console 115200)" { insmod part_msdos insmod ext2 set root='(hd1,msdos3)' search --no-floppy --fs-uuid --set=root 6bc1b599-ad4b-403c-a155-a5bc81211f5e linux16 /boot/memtest86+.bin console=ttyS0,115200n8 } ### END /etc/grub.d/20_memtest86+ ### ### BEGIN /etc/grub.d/30_os-prober ### menuentry "Windows 7 (loader) (on /dev/sda3)" --class windows --class os { insmod part_msdos insmod ntfs set root='(hd0,msdos3)' search --no-floppy --fs-uuid --set=root 98DC5E54DC5E2D2E chainloader +1 } menuentry "Microsoft Windows XP Embedded (on /dev/sda5)" --class windows --class os { insmod part_msdos insmod fat set root='(hd0,msdos5)' search --no-floppy --fs-uuid --set=root 7061-9DF5 drivemap -s (hd0) ${root} chainloader +1 } ### END /etc/grub.d/30_os-prober ### ### BEGIN /etc/grub.d/40_custom ### # This file provides an easy way to add custom menu entries. Simply type the # menu entries you want to add after this comment. Be careful not to change # the 'exec tail' line above. ### END /etc/grub.d/40_custom ### ### BEGIN /etc/grub.d/41_custom ### if [ -f $prefix/custom.cfg ]; then source $prefix/custom.cfg; fi ### END /etc/grub.d/41_custom ### =============================== sdb3/etc/fstab: ================================ # /etc/fstab: static file system information. # # Use 'blkid' 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). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sdb3 during installation UUID=6bc1b599-ad4b-403c-a155-a5bc81211f5e / ext4 errors=remount-ro 0 1 # /home was on /dev/sdb4 during installation UUID=58e2b257-8608-4b11-b20b-dc162bb80b62 /home ext4 defaults,user_xattr 0 2 # swap was on /dev/sdb2 during installation UUID=1ca45f3f-f888-43d1-8137-02699597189a none swap sw 0 0 =================== sdb3: Location of files loaded by Grub: ==================== GiB - GB File Fragment(s) = boot/grub/core.img 1 = boot/grub/grub.cfg 1 = boot/initrd.img-3.0.0-19-generic 2 = boot/initrd.img-3.2.0-24-generic 2 = boot/vmlinuz-3.0.0-19-generic 2 = boot/vmlinuz-3.2.0-24-generic 1 = vmlinuz 1 = vmlinuz.old 2 =========================== sdc1/boot/grub/grub.cfg: =========================== if loadfont /boot/grub/font.pf2 ; then set gfxmode=auto insmod efi_gop insmod efi_uga insmod gfxterm terminal_output gfxterm fi set menu_color_normal=white/black set menu_color_highlight=black/light-gray menuentry "Try Ubuntu without installing" { set gfxpayload=keep linux /casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash -- initrd /casper/initrd.lz } menuentry "Install Ubuntu" { set gfxpayload=keep linux /casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash -- initrd /casper/initrd.lz } menuentry "Check disc for defects" { set gfxpayload=keep linux /casper/vmlinuz boot=casper integrity-check quiet splash -- initrd /casper/initrd.lz } ========================= sdc1/syslinux/syslinux.cfg: ========================== # D-I config version 2.0 include menu.cfg default vesamenu.c32 prompt 0 timeout 50 # If you would like to use the new menu and be presented with the option to install or run from USB at startup, remove # from the following line. This line was commented out (by request of many) to allow the old menu to be presented and to enable booting straight into the Live Environment! # ui gfxboot bootlogo =================== sdc1: Location of files loaded by Grub: ==================== GiB - GB File Fragment(s) ?? = ?? boot/grub/grub.cfg 0 ================= sdc1: Location of files loaded by Syslinux: ================== GiB - GB File Fragment(s) ?? = ?? ldlinux.sys 1 ?? = ?? syslinux/chain.c32 1 ?? = ?? syslinux/gfxboot.c32 1 ?? = ?? syslinux/syslinux.cfg 0 ?? = ?? syslinux/vesamenu.c32 1 ============== sdc1: Version of COM32(R) files used by Syslinux: =============== syslinux/chain.c32 : COM32R module (v4.xx) syslinux/gfxboot.c32 : COM32R module (v4.xx) syslinux/vesamenu.c32 : COM32R module (v4.xx) =============================== StdErr Messages: =============================== xz: (stdin): Compressed data is corrupt xz: (stdin): Compressed data is corrupt awk: cmd. line:36: Math support is not compiled in awk: cmd. line:36: Math support is not compiled in awk: cmd. line:36: Math support is not compiled in awk: cmd. line:36: Math support is not compiled in awk: cmd. line:36: Math support is not compiled in awk: cmd. line:36: Math support is not compiled in awk: cmd. line:36: Math support is not compiled in awk: cmd. line:36: Math support is not compiled in ./bootinfoscript: line 1646: [: 2.73495e+09: integer expression expected

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• PHP - Alternatives to runkit for intercepting method calls

  - by Radu

  I have some very test-unfriendly code (to say the least) that I need to test. Refactoring unfortunately is not an option. I have to test the code as it is, without the possibility of changing it. To do that, I was thinking of intercepting function calls and dynamically change what they do so I can run my tests, as I need some functions and methods to return known values, and I need others that make requests, connect to the database, etc, to stop doing that and return what I need them to return. Is there any way to do this without runkit_method_redefine(), which is preferably not "EXPERIMENTAL" and still maintained? Maybe an alternative to runkit? Maybe a better way? Edit: will use PHPUnit's test doubles and PHP 5.3.2's features for making private methods accessible, if I need that functionality.

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• WPF: Apply ScrollBar Style to ListBox Template - Error object cannot be added to border

  - by TheMar

  Hi, I thought this may be straightforward question but did not find any definitive answer while searching net or SO. I have created scrollbar style (using standard scroll bard template - Blend 2) I am not sure how to apply this style "MyScrollStyle" to a ListBox Template . I saw on ListBox template they have Scroll Viewer -- which should contain the scrollbar Assuming it is something simple as ---Content Added--- After going through lot of xaml in template edit I kind of understood how to apply style. I am trying to add the scroll view style set in this example -http://blog.xamltemplates.net/wp-content/uploads/2008/12/scrollviewer.zip, to my list view template but it gives error -- System.Windows.Markup.XamlParseException was unhandled Message="'ScrollViewer' object cannot be added to 'Border'. Exception has been thrown by the target of an invocation. Error at object 'System.Windows.Controls.ScrollViewer' in markup file 'MenuModule, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null;component/resources/Resources.xaml' Line 19 Position 26." Source="PresentationFramework" LineNumber=19 LinePosition=26 NameContext="1_T" Any help is appreciated Thank you, The Mar

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• Improving ANTLR DSL parse-error messages

  - by Dan Fabulich

  I'm working on a domain-specific language (DSL) for non-programmers. Non-programmers make a lot of grammar mistakes: they misspell keywords, they don't close parentheses, they don't terminate blocks, etc. I'm using ANTLR to generate my parser; it provides a nifty mechanism for handling RecognitionExceptions to improve error handling. But I'm finding it pretty hard to develop good error-handling code for my DSL. At this point, I'm considering ways to simplify the language to make it easier for me to provide users with high-quality error messages, but I'm not really sure how to go about this. I think I want to reduce the ambiguity of errors somehow, but I'm not sure how to implement that idea in a grammar. In what ways can I simplify my language to improve parse-error messages for my users? EDIT: Updated to clarify that I'm interested in ways to simplify my language, not just ANTLR error-handling tips in general. (Though, thanks for those!)

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• ASP.NET MVC & Silverlight development - on Ubuntu

  - by queen3

  I recently moved my working environment from Windows 7 to Ubuntu, and enjoy this every minute of my working day. My work is currently to develop ASP.NET MVC and Silverlight applications. Thus, important Windows stuff is being still run in VirtualBox (such as IIS, MSSQL, Silverlight 3, and legacy COM stuff). For now, I use Visual Studio under VirtualBox as editor/IDE/debugger. But since I prefer Ubuntu fonts and UI much more I'd like to move at least editor (and better IDE) to native Ubuntu. Things I have already done: I store project files in my home folder and run Visual Studio from \vboxsvr share. With few tricks for ASP.NET it works. I use svn on Ubuntu. I test my ASP.NET MVC site using FireFox/FireBug on Ubuntu. What I need on Ubuntu: SQL client to manage MSSQL. I mostly need querying, but I would miss SQL intellisense support. I enjoy command-line svn a lot, but there're times when it's not enough (e.g. view files / check diffs / selectively commit at the sames time) so I wonder if there're any addons - I don't mean replacement for svn, just addons for rare cases like above. I wonder if there're editors that can provide some C# intellisense. Yes I know about MonoDevelop, but will it provide intellisense without compiling (since I'm going to compile remotely in Win box)? And pretty big topic, what's the best way (editor/IDE) to do "folder-based" development? What I mean: The project is /trunk. Everything is there. I don't want to manually add files to project or like that. The project is the folder and files down there. Main task is to edit files of course. I need a quick way to open / search for files in the project. Like in Resharper, I can click Ctrl-Shift-T (IIRC) and just type file name, a list of matching files in the project folder and below is shown. For example, gedit has file tree browser, but I can't quickly type XYZ to find all XYZ files there; moreover it doesn't automatically switch focus to/from editor; so it's more mouse-oriented; I need 100% keyboard way. I need syntax highlighting for C#/HTML/JS. Most importantly, I need HTML tags autocompletion. I can live without it, but I'll be sorry. I need to run compilation remotely (via ssh I think, invoking NAnt script which does MSBuild) and grab results such as errors and warnings, and I'd prefer to quickly go to error line/file. In short, I need to edit/search/open/svn/compile/run files in some folder. Looks like a case for command-line, but imaging I'm in /trunk and want to open file.cs inside /trunk/foo/bar/boo/far, I wouldn't want to type all this path even with bash autocompletion help. I'd prefer to enter :open file.cs, and maybe then select from list of file.cs and file1.cs. Well, maybe I'll add more soon. Actually, I don't have exact requirements; for example, I don't even know if I need to ask for IDE or editor; or should it have svn support integrated or I need to use it from console; do people work with files from console (search/commit/delete/etc) and open editor from there, or they work from editor/IDE and manage files (search/commit/delete) from there? What's better? I have a feeling that vim might have everything I need. I'd like to confirm that, before I spend a lot of time learning it. No I don't want Emacs. Any other IDE? I like Eclipse, but is it good for such stuff? And after all, do you feel like it's a good way to go? I enjoy Ubuntu, enjoy learning new stuff, and Ubuntu + Windows in VirtualBox actually runs faster than Windows7 on my mahcine, but maybe I need to keep development (editor/files management/etc) in Windows/VirtualBox only, leaving other stuff for Ubuntu?

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• [BUG] gc_sweep() with ruby 1.8.7

  - by kgrad

  I have a rails app being developed with mongrel 1.1.5. I can run the app and click on 3 or 4 links, but after that mongrel always crashes with an error: [BUG] gc_sweep(): unknown data type 0x0. It happens on both windows 7 and mac os x snow leopard, so it has to be something in my code, or something wrong with ruby 1.8.7 (less likely). Has anyone else experienced this? Is there a fix or likely cause? thanks edit: interestingly, it does not crash when deployed via heroku.

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• jQuery Block UI: node is undefined

  - by stef

  I'm close to finishing an app that uses quite a bit of JS. Recently Firebug started throwing an error that says "node is undefined", referring to data.parent = node.parentNode; on line 209 of jQuery blockUI plugin Version 2.31 (06-JAN-2010) @requires jQuery v1.2.3 or later. I'm using jQuery 1.4.2 When I remove the code from my page that triggers the Block UI action, the error is still there. So it does not seem to be an issue in my code but an "error" in the file itself, or perhaps some kind of conflict with another file? For info my code is below. My IDE is highlighting some syntax errors in here but it does that even when there are none. Perhaps I'm missing it? $.blockUI({ css: { border: 'none', padding: '25px', backgroundColor: '#fff', '-webkit-border-radius': '10px', '-moz-border-radius': '10px', opacity: 1, color: '#000' , cursor: 'auto' }, message: $('#block_ui_msg'), }); EDIT: I just replaced the block UI file with the latest version 2.33 (29-MAR-2010), error still occurs but this time on line 210.

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• What disorders and diseases commonly afflict programmers? [closed]

  - by Randell

  What disorders and diseases commonly afflict programmers? The only one I can think of is the Carpal Tunnel Syndrome, but up to now, I still don't know anybody who has suffered from it. Please only post those disorders and diseases that you or some other programmer you personally know have acquired from programming. Edit: I was just recently diagnosed with GERD, which was caused by my excessive amount coffee, which stimulate gastric acid secretion that causes the thinning of the esophagus. Just imagine yourself without an esophagus just because you drank too much coffee. That's for drinking an average of 3 mugs of coffee a day on weekdays. On weekends, one liter a day.

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• Unit testing a database connection and general questions on database-dependent code and unit testing

  - by dotnetdev

  Hi, If I have a method which establishes a database connection, how could this method be tested? Returning a bool in the event of a successful connection is one way, but is that the best way? From a testability method, is it best to have the connection method as one method and the method to get data back a seperate method? Also, how would I test methods which get back data from a database? I may do an assert against expected data but the actual data can change and still be the right resultset. EDIT: For the last point, to check data, if it's supposed to be a list of cars, then I can check they are real car models. Or if they are a bunch of web servers, I can have a list of existant web servers on the system, return that from the code under test, and get the test result. If the results are different, the data is the issue but the query not? THnaks

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• my apostrophe turns into ‚Äô

  - by Bryce Naron

  i'm trying to send the iOS device name along with the deviceToken to my server in didRegisterForRemoteNotificationsWithDeviceToken.. my device has an apostrophe in it and the request string shows as ....&name=John+Doe’s+iPhone ... I've tried replacing "'" with "" and "’" with "" .. but neither fix it.. i assume i need to convert the encoding? NSString *string = [[UIDevice currentDevice] name]; output-> John Doe’s iPhone EDIT output is from NSLog(string);

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• uploadify and absolute filepaths ?

  - by Haroldo

  can anyone with experience of the plugin see anything I'm doing wrong? var SITE_ROOT = 'http://localhost/hf_latest_desktop/'; $("#uploadify").uploadify({ 'uploader' : SITE_ROOT+'st_wd_assets/js/uploadify/scripts/uploadify.swf', 'script' : SITE_ROOT+'st_wd_assets/js/uploadify/scripts/uploadify.php', 'cancelImg' : SITE_ROOT+'st_wd_assets/js/uploadify/cancel.png', 'folder' : SITE_ROOT+'res/img/temp', 'auto' : true, 'multi' : false, 'buttonImg' : SITE_ROOT+'st_wd_assets/img/uploadify-button.png' }); it loads in the swf fine (can see it in firebug), however the upload button does not show and there is no functionality? edit: it looks like it could be something to do with it encoding the " : " entity in the absolute paths for example examining the .swf it the attributed are encoded ie: &buttonImg=http%3A//localhost/hf_latest_desktop/st_wd_assets/img/uploadify-button.png

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• SharePoint Web Services. Using UserPofileService.GetUserProfileByName. After SP upgrade... failing.

  - by Steve

  The below web services code has worked properly for me for over a year. We have updated our SharePoint servers, and now the below code throws an exception (at the bottom line of code) "Object reference not set to an instance of an object" UserProfileWS.UserProfileService userProfileService = new UserProfileWS.UserProfileService(); userProfileService.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials; string serviceloc = "/_vti_bin/UserProfileService.asmx"; userProfileService.Url = _webUrl + serviceloc; UserProfileWS.PropertyData[] info = userProfileService.GetUserProfileByName(null); EDIT: The service is still there. I browse http:///_vti_bin/UserProfileService.asmx, and the information for the service is still there, including the full description of the GetUserProfileByName call. EDIT2: This does appear to be due to a change in SharePoint. I loaded a previous version of my software (known to be working), and it exhibits the same erroneous behavior.

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