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• How do I get 5.1 surround sound working on an Acer Aspire 5738ZG?

  - by kbargais_LV

  I got a problem with sound. I tried everything but no results. :( I got 3 sound ports. my daemon: # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 # USA. ## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for ## more information. Default values are commented out. Use either ; or # for ## commenting. ; daemonize = no ; fail = yes ; allow-module-loading = yes ; allow-exit = yes ; use-pid-file = yes ; system-instance = no ; local-server-type = user ; enable-shm = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; lock-memory = no ; cpu-limit = no ; high-priority = yes ; nice-level = -11 ; realtime-scheduling = yes ; realtime-priority = 5 ; exit-idle-time = 20 ; scache-idle-time = 20 ; dl-search-path = (depends on architecture) ; load-default-script-file = yes ; default-script-file = /etc/pulse/default.pa ; log-target = auto ; log-level = notice ; log-meta = no ; log-time = no ; log-backtrace = 0 resample-method = speex-float-1 ; enable-remixing = yes ; enable-lfe-remixing = no flat-volumes = no ; rlimit-fsize = -1 ; rlimit-data = -1 ; rlimit-stack = -1 ; rlimit-core = -1 ; rlimit-as = -1 ; rlimit-rss = -1 ; rlimit-nproc = -1 ; rlimit-nofile = 256 ; rlimit-memlock = -1 ; rlimit-locks = -1 ; rlimit-sigpending = -1 ; rlimit-msgqueue = -1 ; rlimit-nice = 31 ; rlimit-rtprio = 9 ; rlimit-rttime = 1000000 ; default-sample-format = s16le ; default-sample-rate = 44100 ; default-sample-channels = 6 ; default-channel-map = front-left,front-right default-fragments = 8 default-fragment-size-msec = 10 ; enable-deferred-volume = yes ; deferred-volume-safety-margin-usec = 8000 ; deferred-volume-extra-delay-usec = 0

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• Video works with 'Try me' but not after install. What is the difference? U12.04LTS,

  - by HarveyP

  My hard drive got corrupted so I did a reinstall. Tested Youtube in FF during 'try me' and it worked - jerky, but it worked. Instal without all the updates (576 outstanding now) in order to get ff installed as per the demo - to no avail. In 'try me' mode ff NEVER crashed! After install ff crashed whilst I was typing in 'youtube' in the address field. When I finally got to youtube - no video. What is the difference between ff in try me and ff after install? Off to try some selected updates now to see if I can see it for myself. In previous installation I had several profiles and aliased ff with -safe-mode switch to simplify startup of most stable ff. Also found that ff startup in graphic mode worked better (but still without video) with all of the extensions disabled and all of the plugins set to "ask" and always denied ... I have SiS graphic card in SiS Motherboard for XP and ancient Hyundai ImageQuest QV770 monitor. I have Ubuntu 12.04.01 LTS 1 day after install with only the immediate upgrades requested to language pack (English UK). Using FR Alternative keyboard. Connected with domestic wifi network from Orange (FT) I really want to use Skype, but won't bother installing it (again) without video as I can do my sms on FB - whilst ff is not crashed ... Update ... Is something overflowing? I have just had to reboot in order to get ff to restart in any way shape or form - restart on crash form generates new crash form, etc. It was however a good half hour before it crashed so some improvement over conditions before disk corruption. I have now installed all of the critical updates (332 recommended updates still outstanding) which included some relating to ff. Still no video. Still crashing - especially when on Grepolis website. Since the re-install I have had a lovely 1024x768 screen, but after last ff crash and reboot I got a message about 'low graphics mode' and 'setting things myself'. I was not sufficiently tuned in at the time to take proper note - I have no doubt I shall see it again and shall report accordingly. I still have only laptop options for my screen and do not know how to rectify this. Spent a few days with ubuntu on a different, newer machine which has now suffered a graphics breakdown. Returned to this old one again, but with new flat screen Monitor. Found SIS drivers for my graphics BUT it is intended for Red Hat 7.2. I chose this over the version for 7.0 because I thought what the hell, I might not be able to do anything with either of them but this is the later one ... The file will not open with software manager - found a similar problem on Overclock but it has not helped me to install this driver. File name is sis_drv.o-410 and it is currently idling away in my Downloads folder ... I have tried the solution offered on another sis problem, but this shows that my xserver-xorg-video-sis driver is up to date. I am now at a loss as to how to proceed if I can't install the latest sis driver from sis ... Does nobody know how FF changes from "try-me" to "installed"? Any time I MUST have video I reboot from the disk again, but this is tedious! Also one of the things I mock most about MS is the constant rebooting ... UPDATE 10/6/2014 I have installed chromium-browser - worse, crashes even more often than ff.I have installed epiphany - better; Video works but not the associated soundtrack.FireFox is version 14.01 in 'try me' and version 29.0 from my install. Would it be useful to try to downgrade FireFox in order to get video?

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• I need help with 2D collision response (of stacking rotating polygons, with friction and gravity, for a game)

  - by Register Sole

  Hi I am looking for suggestions on how to write a collision response for game programming purpose (so not a scientific simulation). I am dealing with 2D polygons that are rotating, and I want them to be able to stack. I also want friction and gravity. I have a detection mechanism that returns the separating axis, how long the polygons are overlapping, and up to 2 points of contact. For the response, I am currently using an impulse-based response, which main idea is: find the separating axis, length of overlap, and the point of contact (if there are two, pick a random point between to simulate averaged force. i believe there are better ways than this) separate the object (modifying their positions, taking into account of their masses. i do not separate them completely though, to keep track that they are colliding to reduce jitter) calculate normal force based on the coefficient of restitution as if there is no friction. calculate friction, as if there is no normal force. I also assume that the direction of the friction is the same throughout the collision. apply the two forces (which result in a rather inaccurate result, since each force is calculated as if the other is not present. for non-rotating bodies though, this method is exact) I am aware that this method requires the coefficient of friction to be sufficiently small due to the assumption that the direction of friction stays the same in a collision. Also, the result is visually satisfying if gravity is not present. However, when there is gravity, objects on ground jitter and drift (even with zero coefficient of restitution)! It also happens for stacking objects. Larger coefficient of restitution and gravity increase the jittering. I hope you can help me with this. Some things i would like to know more about is how to handle collision with two point of contacts (how to end up having an object sitting still on the ground?), how to reduce, and prevent if possible, jitter and drift (do people use the most accurate method possible, or is there a trick to overcome this?), and how to handle multiple objects collision (for example, in the case of stacking objects, how do I check collisions between all of them and keep them all stable at every frame so they don't jitter?). A total reformulation of my algorithm is also welcomed, as long as it works. Another thing to note is that I am not making a Physics game, so I only need a visually satisfying response (though a realistic response is preferable, if it is not performance-heavy). But surely jittering and drifting objects on flat ground are not at all acceptable. In addition, I am a Physics student, so feel free to talk about impulse and whatever needed. Finally, I'm sorry for the long post. I tried to be as concise as I can. Thank you for reading it! EDIT It seems what I didn't manage to come up all this time is to separate resting contact as a class of its own and how to solve them. Currently reading the paper suggested by Jedediah. More suggestions on the topic are welcome :) CASE CLOSED After reading various papers referenced in the paper, successfully implemented simultaneous impulse method (referring to the original paper by Erin Catto, [Catt05]). Thanks maaaan!! The paper is wonderful. The current system is visibly much better than the previous. Still haven't separated resting contact as a class of its own though, which brings me to my next question. Love you all! Haha (sorry, I'm just so happy thanks to you).

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• Designer issue in VS: Events cannot be set on the object passed to the event binding service ...

  - by serhio

  I have a little problem: the Winform control (that contains between others WPF) suddenly stopped to be displayed in Designer. Message: Events cannot be set on the object passed to the event binding service because a site associated with the object could not be located. Call Stack: at System.ComponentModel.Design.EventBindingService.EventPropertyDescriptor.SetValue(Object component, Object value) at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeAttachEventStatement(IDesignerSerializationManager manager, CodeAttachEventStatement statement) at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeStatement(IDesignerSerializationManager manager, CodeStatement statement) Where could be the problem? InitializeComponent code Private Sub InitializeComponent() Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(PlanDeLigne)) Dim Appearance1 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance2 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance3 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance4 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance5 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance6 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance7 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance8 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance9 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance10 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance11 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Dim Appearance12 As Infragistics.Win.Appearance = New Infragistics.Win.Appearance() Me.mnbMenu = New System.Windows.Forms.ToolStrip() Me.mncMode = New System.Windows.Forms.ToolStripComboBox() Me.mnbSeparator1 = New System.Windows.Forms.ToolStripSeparator() Me.mnbAdd = New System.Windows.Forms.ToolStripButton() Me.mnbDelete = New System.Windows.Forms.ToolStripButton() Me.mnbSeparator2 = New System.Windows.Forms.ToolStripSeparator() Me.mnbDropDownAction = New System.Windows.Forms.ToolStripDropDownButton() Me.mnbDropDownActionSens = New System.Windows.Forms.ToolStripMenuItem() Me.mnbDropDownActionSeparator1 = New System.Windows.Forms.ToolStripSeparator() Me.mnbDropDownActionDistances = New System.Windows.Forms.ToolStripMenuItem() Me.mnbDropDownActionSeparator2 = New System.Windows.Forms.ToolStripSeparator() Me.mnbDropDownActionArretsPhysiques = New System.Windows.Forms.ToolStripMenuItem() Me.mnbSeparator3 = New System.Windows.Forms.ToolStripSeparator() Me.mnbSelectionZoom = New System.Windows.Forms.ToolStripButton() Me.mnbCancelZoom = New System.Windows.Forms.ToolStripButton() Me.mnbSeparator4 = New System.Windows.Forms.ToolStripSeparator() Me.mnbParametrage = New System.Windows.Forms.ToolStripButton() Me.mncSPlacerArret = New System.Windows.Forms.ToolStripMenuItem() Me.mncSSeparator1 = New System.Windows.Forms.ToolStripSeparator() Me.mncSImage = New System.Windows.Forms.ToolStripMenuItem() Me.mncSDefinirLastArret = New System.Windows.Forms.ToolStripMenuItem() Me.mncSSeparator2 = New System.Windows.Forms.ToolStripSeparator() Me.mncSSupprimerArrets = New System.Windows.Forms.ToolStripMenuItem() Me.mncSInsererArret = New System.Windows.Forms.ToolStripMenuItem() Me.mncSSeparator3 = New System.Windows.Forms.ToolStripSeparator() Me.mncSInformations = New System.Windows.Forms.ToolStripMenuItem() Me.mncSSupprimerSegment = New System.Windows.Forms.ToolStripMenuItem() Me.mncSSeparator4 = New System.Windows.Forms.ToolStripSeparator() Me.mncSBatirTroncon = New System.Windows.Forms.ToolStripMenuItem() Me.mncTInformations = New System.Windows.Forms.ToolStripMenuItem() Me.mncTDistances = New System.Windows.Forms.ToolStripMenuItem() Me.mncTSeparator1 = New System.Windows.Forms.ToolStripSeparator() Me.mncTTempsDeParcours = New System.Windows.Forms.ToolStripMenuItem() Me.mncTSeparator2 = New System.Windows.Forms.ToolStripSeparator() Me.mncTCreerSensInverse = New System.Windows.Forms.ToolStripMenuItem() Me.mncTSeparator3 = New System.Windows.Forms.ToolStripSeparator() Me.mncTSupprimerTroncon = New System.Windows.Forms.ToolStripMenuItem() Me.mncTBatirItineraire = New System.Windows.Forms.ToolStripMenuItem() Me.mncIInformations = New System.Windows.Forms.ToolStripMenuItem() Me.mncISeparator1 = New System.Windows.Forms.ToolStripSeparator() Me.mncISupprimerItineraire = New System.Windows.Forms.ToolStripMenuItem() Me.SplitContainer = New System.Windows.Forms.SplitContainer() Me.ElementHost1 = New System.Windows.Forms.Integration.ElementHost() Me._StopsCanvas = New Keolis.ctlWpfPlanDeLigne.StopsCanvas() Me.lblTitreCreation = New Keolis.ctlComponents.Label() Me.Panel1 = New System.Windows.Forms.Panel() Me.btnOk = New Keolis.ctlComponents.Button() Me.btnAnnuler = New Keolis.ctlComponents.Button() Me.grdCreation = New Keolis.ctlWinGrid.WinGrid() Me.mnbMenu.SuspendLayout() CType(Me.SplitContainer, System.ComponentModel.ISupportInitialize).BeginInit() Me.SplitContainer.Panel1.SuspendLayout() Me.SplitContainer.Panel2.SuspendLayout() Me.SplitContainer.SuspendLayout() Me.Panel1.SuspendLayout() CType(Me.grdCreation, System.ComponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() ' 'mnbMenu ' Me.mnbMenu.GripStyle = System.Windows.Forms.ToolStripGripStyle.Hidden Me.mnbMenu.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.mncMode, Me.mnbSeparator1, Me.mnbAdd, Me.mnbDelete, Me.mnbSeparator2, Me.mnbDropDownAction, Me.mnbSeparator3, Me.mnbSelectionZoom, Me.mnbCancelZoom, Me.mnbSeparator4, Me.mnbParametrage}) Me.mnbMenu.Location = New System.Drawing.Point(0, 0) Me.mnbMenu.Name = "mnbMenu" Me.mnbMenu.Size = New System.Drawing.Size(605, 25) Me.mnbMenu.TabIndex = 2 ' 'mncMode ' Me.mncMode.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList Me.mncMode.Name = "mncMode" Me.mncMode.Size = New System.Drawing.Size(121, 25) Me.mncMode.ToolTipText = "Mode du plan de ligne" ' 'mnbSeparator1 ' Me.mnbSeparator1.AutoSize = False Me.mnbSeparator1.Name = "mnbSeparator1" Me.mnbSeparator1.Size = New System.Drawing.Size(20, 25) ' 'mnbAdd ' Me.mnbAdd.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image Me.mnbAdd.Image = CType(resources.GetObject("mnbAdd.Image"), System.Drawing.Image) Me.mnbAdd.ImageTransparentColor = System.Drawing.Color.Magenta Me.mnbAdd.Name = "mnbAdd" Me.mnbAdd.Size = New System.Drawing.Size(23, 22) Me.mnbAdd.Text = "Création Tronçon / Itinéraire" ' 'mnbDelete ' Me.mnbDelete.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image Me.mnbDelete.Image = CType(resources.GetObject("mnbDelete.Image"), System.Drawing.Image) Me.mnbDelete.ImageTransparentColor = System.Drawing.Color.Magenta Me.mnbDelete.Name = "mnbDelete" Me.mnbDelete.Size = New System.Drawing.Size(23, 22) Me.mnbDelete.Text = "Supprimer les éléments sélectionnés" ' 'mnbSeparator2 ' Me.mnbSeparator2.AutoSize = False Me.mnbSeparator2.Name = "mnbSeparator2" Me.mnbSeparator2.Size = New System.Drawing.Size(20, 25) ' 'mnbDropDownAction ' Me.mnbDropDownAction.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image Me.mnbDropDownAction.DropDownItems.AddRange(New System.Windows.Forms.ToolStripItem() {Me.mnbDropDownActionSens, Me.mnbDropDownActionSeparator1, Me.mnbDropDownActionDistances, Me.mnbDropDownActionSeparator2, Me.mnbDropDownActionArretsPhysiques}) Me.mnbDropDownAction.Image = CType(resources.GetObject("mnbDropDownAction.Image"), System.Drawing.Image) Me.mnbDropDownAction.ImageTransparentColor = System.Drawing.Color.Magenta Me.mnbDropDownAction.Name = "mnbDropDownAction" Me.mnbDropDownAction.Size = New System.Drawing.Size(29, 22) Me.mnbDropDownAction.Text = "Action sur le plan de ligne" ' 'mnbDropDownActionSens ' Me.mnbDropDownActionSens.Checked = True Me.mnbDropDownActionSens.CheckOnClick = True Me.mnbDropDownActionSens.CheckState = System.Windows.Forms.CheckState.Checked Me.mnbDropDownActionSens.Name = "mnbDropDownActionSens" Me.mnbDropDownActionSens.Size = New System.Drawing.Size(222, 22) Me.mnbDropDownActionSens.Text = "Afficher le sens" ' 'mnbDropDownActionSeparator1 ' Me.mnbDropDownActionSeparator1.Name = "mnbDropDownActionSeparator1" Me.mnbDropDownActionSeparator1.Size = New System.Drawing.Size(219, 6) ' 'mnbDropDownActionDistances ' Me.mnbDropDownActionDistances.Checked = True Me.mnbDropDownActionDistances.CheckOnClick = True Me.mnbDropDownActionDistances.CheckState = System.Windows.Forms.CheckState.Checked Me.mnbDropDownActionDistances.Name = "mnbDropDownActionDistances" Me.mnbDropDownActionDistances.Size = New System.Drawing.Size(222, 22) Me.mnbDropDownActionDistances.Text = "Afficher les distances" ' 'mnbDropDownActionSeparator2 ' Me.mnbDropDownActionSeparator2.Name = "mnbDropDownActionSeparator2" Me.mnbDropDownActionSeparator2.Size = New System.Drawing.Size(219, 6) ' 'mnbDropDownActionArretsPhysiques ' Me.mnbDropDownActionArretsPhysiques.Checked = True Me.mnbDropDownActionArretsPhysiques.CheckOnClick = True Me.mnbDropDownActionArretsPhysiques.CheckState = System.Windows.Forms.CheckState.Checked Me.mnbDropDownActionArretsPhysiques.Name = "mnbDropDownActionArretsPhysiques" Me.mnbDropDownActionArretsPhysiques.Size = New System.Drawing.Size(222, 22) Me.mnbDropDownActionArretsPhysiques.Text = "Afficher les arrêts physiques" ' 'mnbSeparator3 ' Me.mnbSeparator3.AutoSize = False Me.mnbSeparator3.Name = "mnbSeparator3" Me.mnbSeparator3.Size = New System.Drawing.Size(20, 25) ' 'mnbSelectionZoom ' Me.mnbSelectionZoom.CheckOnClick = True Me.mnbSelectionZoom.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image Me.mnbSelectionZoom.Image = CType(resources.GetObject("mnbSelectionZoom.Image"), System.Drawing.Image) Me.mnbSelectionZoom.ImageTransparentColor = System.Drawing.Color.Magenta Me.mnbSelectionZoom.Name = "mnbSelectionZoom" Me.mnbSelectionZoom.Size = New System.Drawing.Size(23, 22) Me.mnbSelectionZoom.Text = "Zoom par sélection" ' 'mnbCancelZoom ' Me.mnbCancelZoom.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image Me.mnbCancelZoom.Image = CType(resources.GetObject("mnbCancelZoom.Image"), System.Drawing.Image) Me.mnbCancelZoom.ImageTransparentColor = System.Drawing.Color.Magenta Me.mnbCancelZoom.Name = "mnbCancelZoom" Me.mnbCancelZoom.Size = New System.Drawing.Size(23, 22) Me.mnbCancelZoom.Text = "Annuler le zoom" ' 'mnbSeparator4 ' Me.mnbSeparator4.AutoSize = False Me.mnbSeparator4.Name = "mnbSeparator4" Me.mnbSeparator4.Size = New System.Drawing.Size(20, 25) ' 'mnbParametrage ' Me.mnbParametrage.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image Me.mnbParametrage.Image = CType(resources.GetObject("mnbParametrage.Image"), System.Drawing.Image) Me.mnbParametrage.ImageTransparentColor = System.Drawing.Color.Magenta Me.mnbParametrage.Name = "mnbParametrage" Me.mnbParametrage.Size = New System.Drawing.Size(23, 22) Me.mnbParametrage.Text = "Paramétrage" ' 'mncSPlacerArret ' Me.mncSPlacerArret.Name = "mncSPlacerArret" Me.mncSPlacerArret.Size = New System.Drawing.Size(216, 22) Me.mncSPlacerArret.Text = "Placer un arrêt" ' 'mncSSeparator1 ' Me.mncSSeparator1.Name = "mncSSeparator1" Me.mncSSeparator1.Size = New System.Drawing.Size(213, 6) ' 'mncSImage ' Me.mncSImage.Name = "mncSImage" Me.mncSImage.Size = New System.Drawing.Size(216, 22) Me.mncSImage.Text = "Image..." ' 'mncSDefinirLastArret ' Me.mncSDefinirLastArret.Name = "mncSDefinirLastArret" Me.mncSDefinirLastArret.Size = New System.Drawing.Size(216, 22) Me.mncSDefinirLastArret.Text = "Définir comme dernier arrêt" ' 'mncSSeparator2 ' Me.mncSSeparator2.Name = "mncSSeparator2" Me.mncSSeparator2.Size = New System.Drawing.Size(213, 6) ' 'mncSSupprimerArrets ' Me.mncSSupprimerArrets.Name = "mncSSupprimerArrets" Me.mncSSupprimerArrets.Size = New System.Drawing.Size(216, 22) Me.mncSSupprimerArrets.Text = "Supprimer le ou les arrêts" ' 'mncSInsererArret ' Me.mncSInsererArret.Name = "mncSInsererArret" Me.mncSInsererArret.Size = New System.Drawing.Size(216, 22) Me.mncSInsererArret.Text = "Insérer un arrêt" ' 'mncSSeparator3 ' Me.mncSSeparator3.Name = "mncSSeparator3" Me.mncSSeparator3.Size = New System.Drawing.Size(213, 6) ' 'mncSInformations ' Me.mncSInformations.Name = "mncSInformations" Me.mncSInformations.Size = New System.Drawing.Size(216, 22) Me.mncSInformations.Text = "Modifier les informations" ' 'mncSSupprimerSegment ' Me.mncSSupprimerSegment.Name = "mncSSupprimerSegment" Me.mncSSupprimerSegment.Size = New System.Drawing.Size(216, 22) Me.mncSSupprimerSegment.Text = "Supprimer le segment" ' 'mncSSeparator4 ' Me.mncSSeparator4.Name = "mncSSeparator4" Me.mncSSeparator4.Size = New System.Drawing.Size(213, 6) ' 'mncSBatirTroncon ' Me.mncSBatirTroncon.Name = "mncSBatirTroncon" Me.mncSBatirTroncon.Size = New System.Drawing.Size(216, 22) Me.mncSBatirTroncon.Text = "Bâtir un tronçon" ' 'mncTInformations ' Me.mncTInformations.Name = "mncTInformations" Me.mncTInformations.Size = New System.Drawing.Size(201, 22) Me.mncTInformations.Text = "Modifier les informations" ' 'mncTDistances ' Me.mncTDistances.Name = "mncTDistances" Me.mncTDistances.Size = New System.Drawing.Size(201, 22) Me.mncTDistances.Text = "Modifier les distances" ' 'mncTSeparator1 ' Me.mncTSeparator1.Name = "mncTSeparator1" Me.mncTSeparator1.Size = New System.Drawing.Size(198, 6) ' 'mncTTempsDeParcours ' Me.mncTTempsDeParcours.Name = "mncTTempsDeParcours" Me.mncTTempsDeParcours.Size = New System.Drawing.Size(201, 22) Me.mncTTempsDeParcours.Text = "Temps de parcours" ' 'mncTSeparator2 ' Me.mncTSeparator2.Name = "mncTSeparator2" Me.mncTSeparator2.Size = New System.Drawing.Size(198, 6) ' 'mncTCreerSensInverse ' Me.mncTCreerSensInverse.Name = "mncTCreerSensInverse" Me.mncTCreerSensInverse.Size = New System.Drawing.Size(201, 22) Me.mncTCreerSensInverse.Text = "Créer le sens inverse" ' 'mncTSeparator3 ' Me.mncTSeparator3.Name = "mncTSeparator3" Me.mncTSeparator3.Size = New System.Drawing.Size(198, 6) ' 'mncTSupprimerTroncon ' Me.mncTSupprimerTroncon.Name = "mncTSupprimerTroncon" Me.mncTSupprimerTroncon.Size = New System.Drawing.Size(201, 22) Me.mncTSupprimerTroncon.Text = "Supprimer le tronçon" ' 'mncTBatirItineraire ' Me.mncTBatirItineraire.Name = "mncTBatirItineraire" Me.mncTBatirItineraire.Size = New System.Drawing.Size(201, 22) Me.mncTBatirItineraire.Text = "Bâtir un itinéraire" ' 'mncIInformations ' Me.mncIInformations.Name = "mncIInformations" Me.mncIInformations.Size = New System.Drawing.Size(201, 22) Me.mncIInformations.Text = "Modifier les informations" ' 'mncISeparator1 ' Me.mncISeparator1.Name = "mncISeparator1" Me.mncISeparator1.Size = New System.Drawing.Size(198, 6) ' 'mncISupprimerItineraire ' Me.mncISupprimerItineraire.Name = "mncISupprimerItineraire" Me.mncISupprimerItineraire.Size = New System.Drawing.Size(201, 22) Me.mncISupprimerItineraire.Text = "Supprimer l'itinéraires" ' 'SplitContainer ' Me.SplitContainer.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.SplitContainer.Dock = System.Windows.Forms.DockStyle.Fill Me.SplitContainer.FixedPanel = System.Windows.Forms.FixedPanel.Panel2 Me.SplitContainer.Location = New System.Drawing.Point(0, 25) Me.SplitContainer.Name = "SplitContainer" ' 'SplitContainer.Panel1 ' Me.SplitContainer.Panel1.AutoScroll = True Me.SplitContainer.Panel1.Controls.Add(Me.ElementHost1) ' 'SplitContainer.Panel2 ' Me.SplitContainer.Panel2.Controls.Add(Me.lblTitreCreation) Me.SplitContainer.Panel2.Controls.Add(Me.Panel1) Me.SplitContainer.Panel2.Controls.Add(Me.grdCreation) Me.SplitContainer.Panel2MinSize = 0 Me.SplitContainer.Size = New System.Drawing.Size(605, 418) Me.SplitContainer.SplitterDistance = 428 Me.SplitContainer.SplitterWidth = 2 Me.SplitContainer.TabIndex = 1 ' 'ElementHost1 ' Me.ElementHost1.Dock = System.Windows.Forms.DockStyle.Fill Me.ElementHost1.Location = New System.Drawing.Point(0, 0) Me.ElementHost1.Name = "ElementHost1" Me.ElementHost1.Size = New System.Drawing.Size(424, 414) Me.ElementHost1.TabIndex = 0 Me.ElementHost1.Text = "ElementHost1" Me.ElementHost1.Child = Me._StopsCanvas ' 'lblTitreCreation ' Me.lblTitreCreation.Anchor = CType(((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.lblTitreCreation.Location = New System.Drawing.Point(3, 4) Me.lblTitreCreation.Name = "lblTitreCreation" Me.lblTitreCreation.Size = New System.Drawing.Size(167, 16) Me.lblTitreCreation.TabIndex = 4 ' 'Panel1 ' Me.Panel1.AutoSize = True Me.Panel1.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink Me.Panel1.Controls.Add(Me.btnOk) Me.Panel1.Controls.Add(Me.btnAnnuler) Me.Panel1.Dock = System.Windows.Forms.DockStyle.Bottom Me.Panel1.Location = New System.Drawing.Point(0, 385) Me.Panel1.Name = "Panel1" Me.Panel1.Size = New System.Drawing.Size(171, 29) Me.Panel1.TabIndex = 3 ' 'btnOk ' Me.btnOk.Anchor = CType((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.btnOk.BackColor = System.Drawing.SystemColors.Control Me.btnOk.FlatAppearance.MouseDownBackColor = System.Drawing.Color.LightSlateGray Me.btnOk.FlatAppearance.MouseOverBackColor = System.Drawing.Color.LightSteelBlue Me.btnOk.FlatStyle = System.Windows.Forms.FlatStyle.Flat Me.btnOk.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnOk.ForeColor = System.Drawing.SystemColors.ControlText Me.btnOk.Location = New System.Drawing.Point(12, 3) Me.btnOk.Name = "btnOk" Me.btnOk.Size = New System.Drawing.Size(75, 23) Me.btnOk.TabIndex = 6 Me.btnOk.Text = "OK" Me.btnOk.UseVisualStyleBackColor = True ' 'btnAnnuler ' Me.btnAnnuler.Anchor = CType((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.btnAnnuler.BackColor = System.Drawing.SystemColors.Control Me.btnAnnuler.DialogResult = System.Windows.Forms.DialogResult.Cancel Me.btnAnnuler.FlatAppearance.MouseDownBackColor = System.Drawing.Color.LightSlateGray Me.btnAnnuler.FlatAppearance.MouseOverBackColor = System.Drawing.Color.LightSteelBlue Me.btnAnnuler.FlatStyle = System.Windows.Forms.FlatStyle.Flat Me.btnAnnuler.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAnnuler.ForeColor = System.Drawing.SystemColors.ControlText Me.btnAnnuler.Location = New System.Drawing.Point(93, 3) Me.btnAnnuler.Name = "btnAnnuler" Me.btnAnnuler.Size = New System.Drawing.Size(75, 23) Me.btnAnnuler.TabIndex = 7 Me.btnAnnuler.Text = "Annuler" Me.btnAnnuler.UseVisualStyleBackColor = True ' 'grdCreation ' Me.grdCreation.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.grdCreation.AutoResizeColumns = False Me.grdCreation.ColumnsFiltreActif = False Appearance1.BackColor = System.Drawing.SystemColors.Window Appearance1.BorderColor = System.Drawing.SystemColors.InactiveCaption Me.grdCreation.DisplayLayout.Appearance = Appearance1 Me.grdCreation.DisplayLayout.BorderStyle = Infragistics.Win.UIElementBorderStyle.Solid Me.grdCreation.DisplayLayout.CaptionVisible = Infragistics.Win.DefaultableBoolean.[False] Appearance2.BackColor = System.Drawing.SystemColors.ActiveBorder Appearance2.BackColor2 = System.Drawing.SystemColors.ControlDark Appearance2.BackGradientStyle = Infragistics.Win.GradientStyle.Vertical Appearance2.BorderColor = System.Drawing.SystemColors.Window Me.grdCreation.DisplayLayout.GroupByBox.Appearance = Appearance2 Appearance3.ForeColor = System.Drawing.SystemColors.GrayText Me.grdCreation.DisplayLayout.GroupByBox.BandLabelAppearance = Appearance3 Me.grdCreation.DisplayLayout.GroupByBox.BorderStyle = Infragistics.Win.UIElementBorderStyle.Solid Appearance4.BackColor = System.Drawing.SystemColors.ControlLightLight Appearance4.BackColor2 = System.Drawing.SystemColors.Control Appearance4.BackGradientStyle = Infragistics.Win.GradientStyle.Horizontal Appearance4.ForeColor = System.Drawing.SystemColors.GrayText Me.grdCreation.DisplayLayout.GroupByBox.PromptAppearance = Appearance4 Me.grdCreation.DisplayLayout.MaxColScrollRegions = 1 Me.grdCreation.DisplayLayout.MaxRowScrollRegions = 1 Appearance5.BackColor = System.Drawing.SystemColors.Window Appearance5.ForeColor = System.Drawing.SystemColors.ControlText Me.grdCreation.DisplayLayout.Override.ActiveCellAppearance = Appearance5 Appearance6.BackColor = System.Drawing.SystemColors.Highlight Appearance6.ForeColor = System.Drawing.SystemColors.HighlightText Me.grdCreation.DisplayLayout.Override.ActiveRowAppearance = Appearance6 Me.grdCreation.DisplayLayout.Override.AllowRowFiltering = Infragistics.Win.DefaultableBoolean.[False] Me.grdCreation.DisplayLayout.Override.BorderStyleCell = Infragistics.Win.UIElementBorderStyle.Dotted Me.grdCreation.DisplayLayout.Override.BorderStyleRow = Infragistics.Win.UIElementBorderStyle.Dotted Appearance7.BackColor = System.Drawing.SystemColors.Window Me.grdCreation.DisplayLayout.Override.CardAreaAppearance = Appearance7 Appearance8.BorderColor = System.Drawing.Color.Silver Appearance8.TextTrimming = Infragistics.Win.TextTrimming.EllipsisCharacter Me.grdCreation.DisplayLayout.Override.CellAppearance = Appearance8 Me.grdCreation.DisplayLayout.Override.CellPadding = 0 Appearance9.BackColor = System.Drawing.SystemColors.Control Appearance9.BackColor2 = System.Drawing.SystemColors.ControlDark Appearance9.BackGradientAlignment = Infragistics.Win.GradientAlignment.Element Appearance9.BackGradientStyle = Infragistics.Win.GradientStyle.Horizontal Appearance9.BorderColor = System.Drawing.SystemColors.Window Me.grdCreation.DisplayLayout.Override.GroupByRowAppearance = Appearance9 Appearance10.TextHAlignAsString = "Left" Me.grdCreation.DisplayLayout.Override.HeaderAppearance = Appearance10 Me.grdCreation.DisplayLayout.Override.HeaderClickAction = Infragistics.Win.UltraWinGrid.HeaderClickAction.SortMulti Me.grdCreation.DisplayLayout.Override.HeaderStyle = Infragistics.Win.HeaderStyle.WindowsXPCommand Appearance11.BackColor = System.Drawing.SystemColors.Window Appearance11.BorderColor = System.Drawing.Color.Silver Me.grdCreation.DisplayLayout.Override.RowAppearance = Appearance11 Me.grdCreation.DisplayLayout.Override.RowSelectors = Infragistics.Win.DefaultableBoolean.[False] Appearance12.BackColor = System.Drawing.SystemColors.ControlLight Me.grdCreation.DisplayLayout.Override.TemplateAddRowAppearance = Appearance12 Me.grdCreation.DisplayLayout.ScrollBounds = Infragistics.Win.UltraWinGrid.ScrollBounds.ScrollToFill Me.grdCreation.DisplayLayout.ScrollStyle = Infragistics.Win.UltraWinGrid.ScrollStyle.Immediate Me.grdCreation.DisplayLayout.ViewStyleBand = Infragistics.Win.UltraWinGrid.ViewStyleBand.OutlookGroupBy Me.grdCreation.Font = New System.Drawing.Font("Times New Roman", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.grdCreation.Location = New System.Drawing.Point(0, 23) Me.grdCreation.Name = "grdCreation" Me.grdCreation.PrintColumnsKey = Nothing Me.grdCreation.PrintRowsIndex = Nothing Me.grdCreation.PrintTitle = Nothing Me.grdCreation.RowsActivation = Infragistics.Win.UltraWinGrid.Activation.AllowEdit Me.grdCreation.Size = New System.Drawing.Size(175, 391) Me.grdCreation.TabIndex = 5 Me.grdCreation.Tag = "" ' 'PlanDeLigne ' Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.Controls.Add(Me.SplitContainer) Me.Controls.Add(Me.mnbMenu) Me.MinimumSize = New System.Drawing.Size(605, 431) Me.Name = "PlanDeLigne" Me.Size = New System.Drawing.Size(605, 443) Me.mnbMenu.ResumeLayout(False) Me.mnbMenu.PerformLayout() Me.SplitContainer.Panel1.ResumeLayout(False) Me.SplitContainer.Panel2.ResumeLayout(False) Me.SplitContainer.Panel2.PerformLayout() CType(Me.SplitContainer, System.ComponentModel.ISupportInitialize).EndInit() Me.SplitContainer.ResumeLayout(False) Me.Panel1.ResumeLayout(False) CType(Me.grdCreation, System.ComponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) Me.PerformLayout() End Sub

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• Managing Dependency Hell with WiX and C#

  - by Tom the Junglist

  We are on the eve of product launch, and at the last minute I am being bombarded with crash reports that appear to be related to our installer, which is a WiX3 project with separate outputs for x86 and x64 builds. These have been an ongoing problem that I always thought were fixed, only to find out that they were still lurking. The product itself is a collection of binaries that communicate with each other via .Net remoting, including a Windows Service and a small COM component that is loaded as an addon in another app. The service runs as SYSTEM, the COM piece runs in a low-rights context, while the other pieces run in normal user contexts. Other pieces include an third-party COM object library DLL and a shared DLL with the .net Remoting interfaces. I've observed flat-out weird behavior with MSI, particularly on version upgrades. Between MS' anal strong-name implementation (specifically, the exact version check before loading a given assembly), a documented WiX/MSI bug that sees critical files erased on upgrades (essentially, if a file in the upgrade MSI has the same version number as the existing install, that file is deleted), and having to work around Wow64 virtualization (x86 MSI can only write to registry/HD locations via Wow64, yet x64 MSIs cannot run on x86 computers...), I am about ready to trash the whole thing and port it over to a different install system. What I am looking for on tips + tricks, techniques, or suggestions on how to properly do things so that I am not fighting with Windows Installer's twisted sense of logic. I am tired of fighting with WiX/MSI/Windows Installer. All it needs to do is place files and registry keys where I tell it to, upgrade them when appropriate, and don't delete anything until the user uninstalls. Instead, dependencies are deleted willy-nilly, bringing up a whole bunch of uncatchable exceptions (can't wrap a try{} block around function declarations) and GPF'ing the whole app. I am particularly interested in 'best practices' and examples regarding shared and dependency DLLs, and any tips on making sure if a file needs to go to GAC, that it actually goes to the GAC and stays there until it is appropriate to remove it. Thanks! Tom

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• Foreign keys in django admin list display

  - by Olivier

  If a django model contains a foreign key field, and if that field is shown in list mode, then it shows up as text, instead of displaying a link to the foreign object. Is it possible to automatically display all foreign keys as links instead of flat text? (of course it is possible to do that on a field by field basis, but is there a general method?) Example: class Author(models.Model): ... class Post(models.Model): author = models.ForeignKey(Author) Now I choose a ModelAdmin such that the author shows up in list mode: class PostAdmin(admin.ModelAdmin): list_display = [..., 'author',...] Now in list mode, the author field will just use the __unicode__ method of the Author class to display the author. On the top of that I would like a link pointing to the url of the corresponding author in the admin site. Is that possible? Manual method: For the sake of completeness, I add the manual method. It would be to add a method author_link in the PostAdmin class: def author_link(self, item): return '<a href="../some/path/%d">%s</a>' % (item.id, unicode(item)) author_link.allow_tags = True That will work for that particular field but that is not what I want. I want a general method to achieve the same effect. (One of the problems is how to figure out automatically the path to an object in the django admin site.)

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• Hot to configure EnterpriseLibrary.Logging to only output message and timestamp

  - by thomas nn

  I am trying to log a simple string to a log file. I only need Category, message and timestamp. Thus I have configured app.config like this: <listeners> <add name="Flat File Destination" fileName="C:\Log\Phoenix.Common.Tests\Debug.log" header="-----------------------------------------------------------------" formatter="Text Formatter" footer="" rollFileExistsBehavior="Increment" rollInterval="Midnight" rollSizeKB="0" timeStampPattern="yyyy-MM-dd" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.RollingFlatFileTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.RollingFlatFileTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/> </listeners> <formatters> <add name="Text Formatter" template="Category: {category} Message: {message} Timestamp: {timestamp}" type="Microsoft.Practices.EnterpriseLibrary.Logging.Formatters.TextFormatter, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/> </formatters> But I get all kind of additional stuff in my log file: Priority: 50 EventId: 50 Severity: Verbose Title:Testing Log Machine: DK-PC-P4740 App Domain: TestAppDomain: 80803a4f-8e18-47bb-901e-cdac784c8041 ProcessId: 6492 Process Name: C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\QTAgent32.exe How do I avoid this additional stuff? Can someone send me a link to an example that only log the message into the log file? /Thanks

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• Perf: Viewing thousands of images in Silverlight 3 on a 3D Wall

  - by Bob Holland

  I currently work on a very cool Silverlight app that displays photos in a 3D wall space like the Wall3D demo that is thrown in with Blend 3. The problem I am currently facing is performance. The app works like this: As you scroll right or left the 3d photo wall rotates As each movement is made, the next column of photos are downloaded, decoded into a BitmapImage and thrown into a 3D Wall Node. As you can imagine users (if you let them) will want to flip through the photos really quickly, but the problem I have is I cannot display the photos quick enough. In most cases it's a beautiful app that works really well, but when an album contains over 300 photos, you can imagine the sort of memory taken up by all the BitmapImage classes and how moving the slider can jump from photo 20 to photo 120 in a second. Of course we have algorithms in place to not download every photo in between, but I still can't work out a fast way to get the photos displayed. It may be a case that we need to throw away the 'great for show' 3D wall and go to a flat DeepZoom like wall like the Playboy archive one that Vertigo did. Still not sure, let me know your thoughts. P.S. We are using Kit3D for all the 3D work, it's using PerspectiveCamera, Model3DGroup, ModelVisual3D, RotateTransform3D & TranslateTransform3D. Cheers, Bob.

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• Rails: Single Table Inheritance and models subdirectories

  - by Chris

  I have a card-game application which makes use of Single Table Inheritance. I have a class Card, and a database table cards with column type, and a number of subclasses of Card (including class Foo < Card and class Bar < Card, for the sake of argument). As it happens, Foo is a card from the original printing of the game, which Bar is a card from an expansion. In an attempt to rationalise my models, I have created a directory structure like so: app/ + models/ + card.rb + base_game/ + foo.rb + expansion/ + bar.rb And modified environment.rb to contain: Rails::Initializer.run do |config| config.load_paths += Dir["#{RAILS_ROOT}/app/models/**"] end However, when my reads a card from the database, Rails throws the following exception: ActiveRecord::SubclassNotFound (The single-table inheritance mechanism failed to locate the subclass: 'Foo'. This error is raised because the column 'type' is reserved for storing the class in case of inheritance. Please rename this column if you didn't intend it to be used for storing the inheritance class or overwrite Card.inheritance_column to use another column for that information.) Is it possible to make this work, or am I doomed to a flat directory structure?

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• Migrating complex SVN branch hierarchy to Mercurial

  - by Christian Hang

  Our team has been using SVN for managing an application of decent size and over time a rather complex hierarchy of branches and tags has built up, which is following the basic standard layout for SVN repositories, but is more nested: |-trunk |-branches | |-releases | | |-releaseA | | `-releaseB | `-features | |-featureX | `-featureY |-tags |-releaseA | |-beta | `-RTP `-releaseB |-beta `-RTP (The feature branches are obviously temporary branches but we have to take them into consideration as it won't be feasible to close all of them at once in the near future) For several reasons but primarily because merges have been becoming an increasing pain, we are considering to switch to Mercurial. The main problem we are currently facing is migrating the existing code base without losing our history. I've tried several migration tools (e.g., yasvn2hg, hg convert and svn2hg) with yasvn2hg being the most promising, but none of them seem to be able to deal with nested hierarchies but they all assume that branches and tags are organized in one flat directory respectively. The choice between named branches or clones as the conversion target of old SVN branches is not a limiting factor in this case, as either solution would be appreciated. We are currently experimenting with both options and how they would fit into our current processes but haven't decided on one yet. I'd obviously be interested in recommendations or experiences with similar setups concerning that issue as well. So, what is the best way to convert a nested SVN branch hierarchy like this to Mercurial? Converting one branch at a time into a separate repository would be quite annoying and I am not sure if that would be the right approach in the first place, depending on how the tools handle historic merges and need to be aware of all other branches?

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• Using C# regex to select text based on custom tags

  - by spaceman

  I have a string in c# containing some data i need to extract based on certain conditions. The string contains many tenders in the following form : <TENDER> some words, don't know how many, may contain numbers and things like slashes (/) or whatever <DESCRIPTION> some more words and possibly other things like numbers or whatever describing the tender here </DESCRIPTION> some more words and possibly numbers and weird things </TENDER> This string doesn't contain any nested <TENDER> tags, its flat. The <DESCRIPTION> tags occur only once within the <TENDER> tags. I'm using : <TENDER>(.+?)</TENDER> as the regex to split up the tenders and it works fine. If this is wrong or stupid and you know a better way to write this please let me know as I have discovered I suck at regex. My problem that I now need to only select a tender if its description contains any word in a list of keywords (lets say for now i want to select a tender only if it contains either "concrete" or"brick" in the description). So far the regex I have come up with looks like this, but I don't know what to put in the middle. Also I have a vague suspicion that this might return me some false positives. <TENDER>(.+?)<DESCRIPTION>have no idea what to do here</DESCRIPTION>(.+?)</TENDER> If any of you regex guru's could point me in the right direction I would be most appreciative.

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• VB.Net Custom Controls

  - by Paul

  This might be basic question, however I am confused on some .Net Concpets. I am trying to create a "Data Browser" in VB.net. Similar to a Web Browser however each Tab in the Data Browser is a view of some Data (from a database or flat files) not a webpage. The UI on each Tab is mostly the same. A list Box (showing datatypes, etc), a TextBox (where you can create a filter), and a DataGridView, a DataSource Picker, etc. The only thing that would change on each tab is that there could be a custom "Viewer". In most cases (depending on the datasource), this would be the datagrid, however in other cases it would be a treecontrol. From reading through the .Net documents, it appears that I need to Create a Custom Control (MyDataBrowser) Consisting of a Panel with all the common Controls (except the viewer). Every time the user says "New Tab", a new tabpage is created and this MyDataBrowser Control is added, The MyDataBrowser control would contain some function that was able to then create the approriate viewer based on the data at hand. If this is the suggested route, how is the best way to go about creating the MyDataBrowser Control (A) Is this a Custom Control Library? (B) Is this an Inhertited Form? (C) Is this an Inherrited User Control? I assume that I have to create a .DLL and add as a reference. Any direction on this would be appreciated. Does the custom Control have its own properties (I would like to save/load these from a configuration file). Is it possible to add a backgroundworker to this customcontrol? Thanks.

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• Breadcrumbs to show Navigation of user

  - by user310916

  My Folder structure in sharepoint is flat one. in the same level I have pages Home, Main Articles, Articles by Category, Article Content aspx pages. A user can navigate like Home Main Articles Articles by Category Article or Home Main Articles Article or Home Article. I want user to see the breadcrumbs as shown above. I created a web.sitemap xml file in my site definition as follows <siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" > <siteMapNode url="Landing.aspx" title="Tips from the Top" description="The Tips from the Top Home Page"> <siteMapNode url="MainArticles.aspx" title="All Articles" description="All Articles are available here"> <siteMapNode url="ArticlesbyCategory.aspx" title="Articles by Category" description="Articles on selected category"> <siteMapNode url="CurrentArticleContent.aspx" title="Article Content" description="Article of Interest" /> </siteMapNode> <siteMapNode url="CurrentArticleContent.aspx" title="Article Content" description="Article of Interest" /> </siteMapNode> <siteMapNode url="MainTips.aspx" title="All Business Tips" description="All Business Tips are available here"> <siteMapNode url="TipsbyCategory.aspx" title="Tips by Category" description="Tips on selected category" /> </siteMapNode> </siteMapNode> </siteMap> and also added a web.config file as <siteMap defaultProvider="MapProvider"> <providers> <add name="MapProvider" type="xyz.abc.SiteDefinition.MapProvider,xyz.abc.SiteDefinition" siteMapFile = "Web.Sitemap" /> </providers> </siteMap>

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• Contact-to-hire from the perspective of the headhunter agency?

  - by jamieb

  I operate a small IT consulting firm. One of my clients has expressed an interest in having an ASP.Net programmer on-site at their location for a six-month contract, with an option to hire. I've never really operated my company as a body shop (renting out talent for the long term) and an unfamiliar with how to price my quote. Assume I were to bring on a new developer as a 1099'ed contractor and then contract that person out to my client for the duration of the project. If I'm billing my client $X per hour for this developer's time, what should I be compensating this developer? $X/2 per hour? What's the typical ratio? If the client decides to hire this person at the end of the contract, what should I be compensated? Is it a flat finders fee, or maybe a function of the developer's annual salary? Would there be any advantage to actually hiring the person as a 1040'd employee rather than a 1099 contractor even if I can't offer him benefits? I know other body shops (like Robert Half) do this and never understood why.

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• CQRS - The query side

  - by mattcodes

  A lot of the blogsphere articles related to CQRS (command query repsonsibility) seperation seem to imply that all screens/viewmodels are flat. e.g. Name, Age, Location Of Birth etc.. and thus the suggestion that implementation wise we stick them into fast read source etc.. single table per view mySQL etc.. and pull them out with something like primitive SqlDataReader, kick that nasty nhibernate ORM etc.. However, whilst I agree that domain models dont mapped well to most screens, many of the screens that I work with are more dimensional, and Im sure this is pretty common in LOB apps. So my question is how are people handling screen where by for example it displays a summary of customer details and then a list of their orders with a [more detail] link etc.... I thought about keeping with the straight forward SQL query to the Query Database breaking off the outer join so can build a suitable ViewModel to View but it seems like overkill? Alternatively (this is starting to feel yuck) in CustomerSummaryView table have a text/big (whatever the type is in your DB) column called Orders, and the columns for the Order summary screen grid are seperated by , and rows by |. Even with XML datatype it still feeel dirty. Any thoughts on an optimal practice?

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• ASP.NET MVC 4 async child action

  - by ShadowChaser

  I have an ASP.NET MVC 4 application targeting .NET 4.5. One of our child actions makes a call out to a web service using HttpClient. Since we're blocking on IO waiting for the HttpClient response, it makes a great deal of sense to convert the code to the async/await pattern. However, when MVC 4 attempts to execute the child action, we get the following error message: HttpServerUtility.Execute blocked while waiting for an asynchronous operation to complete. At first glance, it appears as though MVC 4 does not support async/await within a child action. The only remaining option is to run using synchronous code and force a "Wait" on the async task. As we all know, touching .Result or .Wait() on an async task in an ASP.NET context will cause an immediate deadlock. My async logic is wrapped in a class library, so I can't use the "await blah.ConfigureAwait(false)" trick. Remember, tagging "async" on the child action and using await causes an error, and that prevents me from configuring the await. I'm painted into a corner at this point. Is there any way to consume async methods in an MVC 4 child action? Seems like a flat out bug with no workarounds.

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• Why is Reporting Services report vastly slower than its query?

  - by Telos

  I have a query that takes roughly 2 minutes to run. It's not terribly complex in terms of parameters or anything, and the report itself doesn't do any truly extensive processing. Basically just spits the data straight out in a nice format. (Actually one of the reports doesn't format the data at all, just returns a flat table meant to be manipulated in excel.) It's not returning a massive set of data either. Yet the report takes upwards of 30 minutes to run. What could cause this? This is SSRS 2005 against a SQL 2005 database btw. EDIT: OK, I found that with the addition of WITH (NOLOCK) in the report it takes the same time as the query does through SSMS. Why would the query be handled differently if it's coming from reporting services (or visual studio on my local machine) than if coming from SSMS on my local machine? I saw the query running in Activity Monitor a couple times in SLEEP_WAIT mode, but not blocked by anything... EDIT2: The connection string is: Data Source=SERVERNAME;Initial Catalog=DBName

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• iPhone - is it IMPOSSIBLE to grab the contents of a CALayers composition?

  - by Mike

  I have a CALayer transformed in 3D on a offscreen UIView (much larger than 320x480). How do I dump what is seen on this UIView to a UIImage? NOTE: I Have edited the question to include this code... This is how I create the layer... CGRect area = CGRectMake (0,0,400,600]; vista3D = [[UIView alloc] initWithFrame:area ]; [self.view addSubview:vista3D]; [vista3D release]; transformed = [CALayer layer]; transformed.frame = area; [vista3D.layer addSublayer:transformed]; CALayer *imageLayer = [CALayer layer]; imageLayer.doubleSided = YES; imageLayer.frame = area; imageLayer.transform = CATransform3DMakeRotation(40 * M_PI / 180.0f, 1.0f, 0.0f, 0.0f); imageLayer.contents = (id)myRawImage.CGImage; [transformed addSublayer:imageLayer]; // Add a perspective effect CATransform3D initialTransform = transformed.sublayerTransform; initialTransform.m34 = 1.0 / -500; transformed.sublayerTransform = initialTransform; // now the layer is in perspective // my next step is to "flatten" the composition into a UIImage UIImage *thisIsTheResult = some magic command thanks for any help! EDIT 1: I have tried jessecurry solution but it gives me a flat layer without any perspective. EDIT 2: I discovered a partial solution for this that works, but this solution gives me an image the size of the screen and I was looking for obtaining a higher resolution version, rendering off screen.

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• Increase Query Speed in PostgreSQL

  - by Anthoni Gardner

  Hello, First time posting here, but an avid reader. I am experiancing slow query times on my database (all tested locally thus far) and not sure how to go about it. The database itself has 44 tables and some of them tables have over 1 Million records (mainly the movies, actresses and actors tables). The table is made via JMDB using the flat files on IMDB. Also the SQL query that I am about to show is from that said program (that too experiances very slow search times). I have tried to include as much information as I can, such as the explain plan etc. "QUERY PLAN" "HashAggregate (cost=46492.52..46493.50 rows=98 width=46)" " Output: public.movies.title, public.movies.movieid, public.movies.year" " - Append (cost=39094.17..46491.79 rows=98 width=46)" " - HashAggregate (cost=39094.17..39094.87 rows=70 width=46)" " Output: public.movies.title, public.movies.movieid, public.movies.year" " - Seq Scan on movies (cost=0.00..39093.65 rows=70 width=46)" " Output: public.movies.title, public.movies.movieid, public.movies.year" " Filter: (((title)::text ~~* '%Babe%'::text) AND ((title)::text !~~* '""%}'::text))" " - Nested Loop (cost=0.00..7395.94 rows=28 width=46)" " Output: public.movies.title, public.movies.movieid, public.movies.year" " - Seq Scan on akatitles (cost=0.00..7159.24 rows=28 width=4)" " Output: akatitles.movieid, akatitles.language, akatitles.title, " Filter: (((title)::text ~~* '%Babe%'::text) AND ((title)::text !~~* '""%}'::text))" " - Index Scan using movies_pkey on movies (cost=0.00..8.44 rows=1 width=46)" " Output: public.movies.movieid, public.movies.title, public.movies.year, public.movies.imdbid" " Index Cond: (public.movies.movieid = akatitles.movieid)" SELECT * FROM ((SELECT DISTINCT title, movieid, year FROM movies WHERE title ILIKE '%Babe%' AND NOT (title ILIKE '"%}')) UNION (SELECT movies.title, movies.movieid, movies.year FROM movies INNER JOIN akatitles ON movies.movieid=akatitles.movieid WHERE akatitles.title ILIKE '%Babe%' AND NOT (akatitles.title ILIKE '"%}'))) AS union_tmp2; Returns 612 Rows in 9078ms Database backup (plain text) is 1.61GB It's a really complex query and I am not fully cognizant on it, like I said it was spat out by JMDB. Do you have any suggestions on how I can increase the speed ? Regards Anthoni

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• MATLAB intersection of 2 surfaces

  - by caglarozdag

  Hi everyone, I consider myself a beginner in MATLAB so bear with me if the answer to my question is an obvious one. Phi=0:pi/100:2*pi; Theta=0:pi/100:2*pi; [PHI,THETA]=meshgrid(Phi,Theta); R=(1 + cos(PHI).*cos(PHI)).*(1 + cos(THETA).*cos(THETA)); [X,Y,Z]=sph2cart(THETA,PHI,R); surf(X,Y,Z); %display hold on; x1=-4:.1:4; [X1,Y1] = meshgrid(x1); a=1.8; b=0; c=3; d=0; Z1=(d- a * X1 - b * Y1)/c; shading flat; surf(X1,Y1,Z1); I have written this code which plots a 3d cartesian plot of a plane intersecting a peanut shaped object at an angle. I need to get the intersection of these on 2D (going to be the outline of a peanut, but a bit skewed since the intersection happens at an angle), but don't know how. Thanks

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• Add KO "data-bind" attribute on $(document).ready

  - by M.Babcock

  Preface I've rarely ever been a JS developer and this is my first attempt at doing something with Knockout.js. The question to follow likely illustrates both points. Backgound I have a fairly complex MVC3 application that I'm trying to get to work with KO (v2.0.0.0). My MVC app is designed to generically control which fields appear in the view (and how they are added to the view). It makes use of partial views to decide what to draw in the view based on the user's permissions (If the user is in group A then show control A, if the user in group B then show control B or possibly if the user is in group A don't include the control at all). Also, my model is very flat so I'm not sure the built-in ability to apply my ViewModel to a specific portion of the view will help. My solution to this problem is to provide an action in my controller that responds with an object in JSON format with that contains the JQuery selector and the content to assign to the "data-bind" attribute and bind the ViewModel to the View in the $(document).ready event using the values provided. Failed Proof-of-concept My first attempt at proving that this works doesn't actually seem to work, and by "doesn't work" I mean it just doesn't bind the values at all (as can be seen in this jsfiddle). I've tried it with the applyBindings inside of the ready event and not, but it doesn't seem to make any bit of difference. Question What am I doing wrong? Or is this just not something that can work with KO (though I've seen at least one example online doing the same thing and it supposedly works)? Like I said in the preface, I've only ever pretended to be a JS developer (though I've generally gotten it to work in the past) so I'm at a loss where to start trying to figure out what I'm doing wrong. Hopefully this isn't a real noob question.

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• Maven Eclipse plugin and classpath issues in Eclipse

  - by subferno

  I am using Eclipse 3.51, Maven 2.0.9, Java 1.4, with the Maven Eclipse plugin 2.7 with WTP 2.0 (not m2Eclipse). I have a flat multi module project that is set up as follows (module Parent with the parent pom, module A and B is dependent on C). Importing the four modules in for the first time will show compile errors as expected since I have not ran the eclipse plugin. With my local repository empty, running eclipse clean will resolve all compile errors and dependencies within the my local workspace. If I were to make some minor code changes to module B and run the eclipse plugin again, compile errors would show up in module A and B. Compile errors about classes that cannot be found. Its like module C is no longer in the classpath for A and B to see. I look at the .classpath file and its definitely looking at the right modules in the Eclipse workspace. If I delete the maven repository and do the eclipse clean again, the compile errors about unresolved classes are fixed. Also, if I run the eclpse clean command with the useProjectReferences flag to false and then rerun it with true, Eclipse would rebuild my workspace and the errors will go away. Whats going on?

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• The cost of passing by shared_ptr

  - by Artem

  I use std::tr1::shared_ptr extensively throughout my application. This includes passing objects in as function arguments. Consider the following: class Dataset {...} void f( shared_ptr< Dataset const > pds ) {...} void g( shared_ptr< Dataset const > pds ) {...} ... While passing a dataset object around via shared_ptr guarantees its existence inside f and g, the functions may be called millions of times, which causes a lot of shared_ptr objects being created and destroyed. Here's a snippet of the flat gprof profile from a recent run: Each sample counts as 0.01 seconds. % cumulative self self total time seconds seconds calls s/call s/call name 9.74 295.39 35.12 2451177304 0.00 0.00 std::tr1::__shared_count::__shared_count(std::tr1::__shared_count const&) 8.03 324.34 28.95 2451252116 0.00 0.00 std::tr1::__shared_count::~__shared_count() So, ~17% of the runtime was spent on reference counting with shared_ptr objects. Is this normal? A large portion of my application is single-threaded and I was thinking about re-writing some of the functions as void f( const Dataset& ds ) {...} and replacing the calls shared_ptr< Dataset > pds( new Dataset(...) ); f( pds ); with f( *pds ); in places where I know for sure the object will not get destroyed while the flow of the program is inside f(). But before I run off to change a bunch of function signatures / calls, I wanted to know what the typical performance hit of passing by shared_ptr was. Seems like shared_ptr should not be used for functions that get called very often. Any input would be appreciated. Thanks for reading. -Artem

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• Things one needs to know while writing a game engine

  - by Joe Barr

  I have been dabbling in game development as a hobby for a while now, and I cannot seam to quite get my games to sparkle at least a bit with some graphics. I have decided to write a simple test game engine that only focuses on the representation of graphics - shapes, textures and surfaces. While I have a few very simple game engines designed for my own games under my belt, I want to create a game engine that I can use to display and play with graphics. I'm going to do this in C++. Since this is my first time with a major engine, the engine in not going to focus on 3D graphics, it's going to be a mixture of isometric and 2D graphics. My previous engines have incorporated (been able to draw) or focused on simple flat (almost 2D) non impressive graphic designs and representations of: the player NPCs objects walls and surfaces textures Also, I had some basic AI and sometimes even sound. They also saved and loaded games. They didn't have a map editor or a level editor. Is this going to be a problem in the future? At this time I have to point out that some of my games didn't get finished because I was to lazy to write the few last levels. My question at this point would be: What are some things one should know if one wants write (develope) a better graphical game engine with all it's functions.

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• Writing PHP extension - Unable to load dynamic library

  - by Luke

  I'm writing a PHP extension similar to V8JS. The goal, like V8JS, is to embed the V8 engine into PHP so I can execute sandboxed JavaScript code in PHP. (The implementation is different.) The extension compiles fine, but when I attempt to run it I get: PHP Warning: PHP Startup: Unable to load dynamic library '/phpdev/lib/php/extensions/debug-zts-20090626/v8php.so' - dlopen(/phpdev/lib/php/extensions/debug-zts-20090626/v8php.so, 9): Symbol not found: __ZN2v88internal8Snapshot13context_size_E Referenced from: /phpdev/lib/php/extensions/debug-zts-20090626/v8php.so Expected in: flat namespace PHP is compiled with the prefix /phpdev (with debug and maintainer flags). v8 is compiled in /v8/ with gyp with the commands make dependencies and make x64 which produced /v8/out/x64.release and /v8/out/x64.debug. I soft-linked the header files from /v8/include to /phpdev/include and libv8_base.a from /v8/out/x64.release/libv8_base.a to /phpdev/lib/libv8.a. This is my config.m4 file: PHP_ARG_ENABLE(v8php, [V8PHP], [--enable-v8php Include V8 JavaScript Engine]) if test $PHP_V8PHP != "no"; then SEARCH_PATH="$prefix /usr/local /usr" SEARCH_FOR="/include/v8.h" if test -r $PHP_V8PHP/$SEARCH_FOR; then V8_DIR=$PHP_V8PHP else AC_MSG_CHECKING([for V8 files in default path]) for i in $SEARCH_PATH ; do if test -r $i/$SEARCH_FOR; then V8_DIR=$i AC_MSG_RESULT(found in $i) fi done fi if test -z "$V8_DIR"; then AC_MSG_RESULT([not found]) AC_MSG_ERROR([Unable to locate V8]) fi PHP_ADD_INCLUDE($V8_DIR/include) PHP_SUBST(V8PHP_SHARED_LIBADD) PHP_ADD_LIBRARY_WITH_PATH(v8, $V8_DIR/$PHP_LIBDIR, V8PHP_SHARED_LIBADD) PHP_REQUIRE_CXX() PHP_NEW_EXTENSION(v8php, v8php.cc v8_class.cc, $ext_shared) fi What am I doing wrong?

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