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  • add the same qtreewidgetitems into the second column

    - by srinu
    hello i am using the following program to display the qtreewidget. main.cpp include include "qdomsimple.h" include include "qdomsimple.h" int main(int argc, char *argv[]) { QApplication a(argc, argv); QStringList filelist; filelist.push_back("C:\department1.xml"); filelist.push_back("C:\department2.xml"); filelist.push_back("C:\department3.xml"); QDOMSimple w(filelist); w.resize(260,200); w.show(); return a.exec(); } qdomsimple.cpp include "qdomsimple.h" include include QDOMSimple::QDOMSimple(QStringList strlst,QWidget *parent) : QWidget(parent) { k=0; // DOM document QDomDocument doc("title"); QStringList headerlabels; headerlabels.push_back("Chemistry"); headerlabels.push_back("Mechanical"); headerlabels.push_back("IT"); m_tree = new QTreeWidget( this ); m_tree->setColumnCount(3); m_tree->setHeaderLabels(headerlabels); QStringList::iterator it; for(it=strlst.begin();it<strlst.end();it++) { QFile file(*it); if ( file.open( QIODevice::ReadOnly | QIODevice::Text )) { // The tree view to be filled with xml data // (m_tree is a class member variable) // Creating the DOM tree doc.setContent( &file ); file.close(); // Root of the document QDomElement root = doc.documentElement(); // Taking the first child node of the root QDomNode child = root.firstChild(); // Setting the root as the header of the tree //QTreeWidgetItem* header = new QTreeWidgetItem; //header->setText(k,root.nodeName()); //m_tree->setHeaderItem(header); // Parse until the end of document while (!child.isNull()) { //Convert a DOM node to DOM element QDomElement element = child.toElement(); //Parse only if the node is a really an element if (!element.isNull()) { //Parse the element recursively parseElement( element,0); //Go to the next sibling child = child.nextSiblingElement(); } } //m_tree->setGeometry( QApplication::desktop()->availableGeometry() ); //setGeometry( QApplication::desktop()->availableGeometry() ); } k++; } } void QDOMSimple::parseElement( QDomElement& aElement, QTreeWidgetItem *aParentItem ) { // A map of all attributes of an element QDomNamedNodeMap attrMap = aElement.attributes(); // List all attributes QStringList attrList; for ( int i = 0; i < attrMap.count(); i++ ) { // Attribute name //QString attr = attrMap.item( i ).nodeName(); //attr.append( "-" ); /* Attribute value QString attr; attr.append( attrMap.item( i ).nodeValue() );*/ //attrList.append( attr ); attrList.append(attrMap.item( i).nodeValue()); } QTreeWidgetItem* item; // Create a new view item for elements having child nodes if (aParentItem) { item = new QTreeWidgetItem(aParentItem); } // Create a new view item for elements without child nodes else { item = new QTreeWidgetItem( m_tree ); } //Set tag name and the text QString tagNText; tagNText.append( aElement.tagName() ); //tagNText.append( "------" ); //tagNText.append( aElement.text() ); item->setText(0, tagNText ); // Append attributes to the element node of the tree for ( int i = 0; i < attrList.count(); i++ ) { QTreeWidgetItem* attrItem = new QTreeWidgetItem( item ); attrItem->setText(0, attrList[i] ); } // Repeat the process recursively for child elements QDomElement child = aElement.firstChildElement(); while (!child.isNull()) { parseElement( child, item ); child = child.nextSiblingElement(); } } QDOMSimple::~QDOMSimple() { } for this i got the qtreewidget like this +file1 +file2 +file3 but actual wanted output is +file1 +file2 +file3 i don't know how to do it.Thanks in advance

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  • Symfony2: validate an object that is not an entity

    - by Marronsuisse
    I am using CraueFormFlowBundle to have a multiple page form, and am trying to do some validation on some of the fields but can't figure out how to do this. The object that needs to be validated isn't an Entity, which is causing me trouble. I tried adding a collectionConstraint in the getDefaultOption function of my form type class, but this doesn't work as I get the "Expected argument of type array or Traversable and ArrayAccess" error. I tried with annotations in my object class, but they don't seem to be taken into account. Are annotations taken into account if the class isn't an entity? (i set enable_annotations to true) Anyway, what is the proper way to do this? Basically, I just want to validate that "age" is an integer... class PoemDataCollectorFormType extends AbstractType { public function buildForm(FormBuilder $builder, array $options) { switch ($options['flowStep']) { case 6: $builder->add('msgCategory', 'hidden', array( )); $builder->add('msgFIB','text', array( 'required' => false, )); $builder->add('age', 'integer', array( 'required' => false, )); break; } } public function getDefaultOptions(array $options) { $options = parent::getDefaultOptions($options); $options['flowStep'] = 1; $options['data_class'] = 'YOP\YourOwnPoetBundle\PoemBuilder\PoemDataCollector'; $options['intention'] = 'my_secret_key'; return $options; } } EDIT: add code, handle validation with annotations As Cyprian, I was pretty sure that using annotations should work, however it doesn't... Here is how I try: In my Controller: public function collectPoemDataAction() { $collector = $this->get('yop.poem.datacollector'); $flow = $this->get('yop.form.flow.poemDataCollector'); $flow->bind($collector); $form = $flow->createForm($collector); if ($flow->isValid($form)) { .... } } In my PoemDataCollector class, which is my data class (service yop.poem.datacollector): class PoemDataCollector { /** * @Assert\Type(type="integer", message="Age should be a number") */ private $age; } EDIT2: Here is the services implementation: The data class (PoemDataCollector) seems to be linked to the flow class and not to the form.. Is that why there is no validation? <service id="yop.poem.datacollector" class="YOP\YourOwnPoetBundle\PoemBuilder\PoemDataCollector"> </service> <service id="yop.form.poemDataCollector" class="YOP\YourOwnPoetBundle\Form\Type\PoemDataCollectorFormType"> <tag name="form.type" alias="poemDataCollector" /> </service> <service id="yop.form.flow.poemDataCollector" class="YOP\YourOwnPoetBundle\Form\PoemDataCollectorFlow" parent="craue.form.flow" scope="request"> <call method="setFormType"> <argument type="service" id="yop.form.poemDataCollector" /> </call> </service> How can I do the validation while respecting the craueFormFlowBundle guidelines? The guidelines state: Validation groups To validate the form data class a step-based validation group is passed to the form type. By default, if getName() of the form type returns registerUser, such a group is named flow_registerUser_step1 for the first step. Where should I state my constraint to use those validation groups..? I tried: YOP\YourOwnPoetBundle\PoemBuilder\Form\Type\PoemDataCollectorFormType: properties: name: - MinLength: { limit: 5, message: "Your name must have at least {{ limit }} characters.", groups: [flow_poemDataCollector_step1] } sex: - Type: type: integer message: Please input a number groups: [flow_poemDataCollector_step6] But it is not taken into acount.

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  • Spawned Process Terminated in GP Startup Script

    - by Charles Gargent
    I have a Group Policy Startup Script which runs synchronously. I now need this script to run one process asynchronously. So far I have managed to get the spawned process running via the command below, however once the rest of the script finishes and the GP Startup Script "phase" finishes and the logon prompt is shown, my spawned process is terminated. Is there any way to have this process continue beyond the Startup Script phase? cmd /c start spawned.bat I guess the reason why it terminates is because the process was launched by the Startup Script process and when the parent process terminates so do its children. PS I need it to be launched via the exisitng script.

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  • Convert VM running on Linux hypervisor to OVF/VMDK

    - by blade
    Hi, I have a bunch of VMs on a Linux hypervisor (cloudsigma.com to be precised). I want to convert these to deploy to an ESX hypervisor (opsource cloud server), but need to create an ovf with the vmdk. I don't have access to the hypervisor of either service but opsource allow me to import ovf/vmdk so this is possible. What tool can create an ovf (With vmdk) of a Windows OS? I am not sure if VCenter Converter would work as it requires access to the hypervisor, if I remember correctly. I am hoping for something like vhd2disk which will create a .vhd of the currently running, parent Windows OS on a system. Thanks

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  • Subversion error: (405 Method Not Allowed) in response to MKCOL

    - by Sergio del Amo
    I am getting the following error while trying to commit a new directory addition. svn: Commit failed (details follow): svn: Server sent unexpected return value (405 Method Not Allowed) in response to MKCOL request for '.... I have never seen this error before. How can I fix this problem? Solution I managed to solve the problem: Delete the parent's directory of the folder giving the problem. Do SVN Update. A folder with the same name as the new one already existed in repository. Delete this folder. SVN commit. Copy the new folder, schedule for addition and SVN commit.

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  • vmware problems

    - by AO
    I renamed some of my virtual machine files and never did a backup before doing so. Now I can't get the machine to start again as it asks for the old files. I have updated references to these files in the project setting files which are in plain text. The virtual machine keeps on asking for the files anyway. I never shut off the machine properly before starting to rename the files. How can I save my work done on the virtual machine disk? I have tried to create a new machine and adding the disk from the old virtual machine only but there seems to be dependencies between disk files. The parent drive cannot be found I am told when trying to add the drive of interest. Any suggestion on how to resolve the issue?

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  • Linux kernel with grsec + Java / Apache Tomcat

    - by NoozNooz42
    I've got a Debian Linux 64 bit dedicated server. The kernel has the grsec patch applied. I'm mainly using this server to run Apache Tomcat (6.0.26, Java 6) and everything seems fine. The only issue, is that when I start Tomcat, I get a few of these: grsec: From xxx.xxx.xxx.xxx: Segmentation fault occurred at 00007fefe04e4000 in /home/t/jre1.6.0_20/bin/java[java:22403] uid/euid:1001/1001 gid/egid:1001/1001, parent /sbin/init[init:1] uid/euid:0/0 gid/egid:0/0 grsec: more alerts, logging disabled for 10 seconds Then no error logs anymore. Everything is fine. The kernel is: Linux 2.6.32.2-xxxx-grs-ipv4-64 #1 SMP Tue Dec 29 14:41:12 UTC 2009 x86_64 GNU/Linux And the webapp works fine. So there are segmentation fault when Tomcat starts, but everything seems to works fine. Is this concerning? Should I move to a non-grsec kernel?

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  • Can't serve files without extension because they "appear to be script" on IIS7.5

    - by madd0
    I created a certain number of static JSON files with no extension in a subfolder of my site. I want to use them for tests. The problem is that IIS is refusing to serve them because : HTTP Error 404.17 - Not Found The requested content appears to be script and will not be served by the static file handler. The folder is a subfolder of an ASP.NET application and I can't create an application just for it, neither can I change the parent application's application pool. Actually, I don't have access to the IIS configuration other than through the web.config file in the folder in question. I assume there must be a way to get a web server to serve static files, right?

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  • A network share folder is invisible to users

    - by Myrddin Emrys
    I have a network share folder that I was recently cleaning up permissions to. I took off the four individual names from the access permissions to the folder, and added a new security group (Universal) with standard Read/Write permissions to that folder, then added those 4 people to the group. However... now nobody can see the folder. The users can see the other 9 folders in that shared drive, but the 10th is missing. I cannot see any security permission in the parent folder or in the folder itself which would cause it to be invisible to anyone, regardless of whether they have permission to open it or edit files within.

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  • Cannot Expand/Collapse tasks in Microsoft Project 2010

    - by Dean
    I opened an existing Microsoft Project file today and was unable to expand/collapse the subtasks use the cursor and the '+/-' signs beside the parent tasks. I am able to expand and collapse using the 'View-Outline' ribbon icon. However when I attempt to do this using the mouse on specific tasks, my cursor will not perform the task. My cursor is a 'white cross' when I need it to be an 'arrow'. I'm assuming this is something minor that I'm missing. Any assistance appreciated. Thanks

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  • Configuring squid as reverse proxy

    - by Hassan
    I am having trouble configuring squid to work as reverse proxy here is my scenario squid is installed on server with ip 10.1.1.139 I have another computer that is acting as my proxy server 10.1.85.106 which has access to 10.1.85.106/program I want 10.1.1.139/program to be redirected to 10.1.85.106 I have added cache_peer 10.1.85.106 parent 80 0 no-query originserver name=server_1 cache_peer_domain server_1 /program /program/ program when I go to 10.1.1.139/program I get "The following error was encountered while trying to retrieve the URL: /program Invalid URL" Since the error is not related to access denied I don't think it is due to access restrictions. Do I need to add anything else? Thanks for your time

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  • Can't kill process TGitCache.exe

    - by ProfKaos
    Sometimes, I suspect when I open a music folder during the right moon phase and during a leap microsecond, this process crashes and pops up an error reporting dialogue. I decline to report the error, because that also fails by now, and choose Exit. Exit just delays the re-appearance of the error reporting dialogue for about 2 seconds. If I try and kill the process using SysInternals' Process Explorer the process is just restarted, only to crash again. So, I'm pretty sure another process, probably a service because TGitCache doesn't have a parent process and no other Git processes are visible, is keeping tabs on this process and restarting it if it dies. This is cruel and inhuman, but how can I find which nanny process is prolonging the agony?

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  • wxPthon problems with Wrapping StaticText

    - by Scott B
    Hello. I am having an issue with wxPython. A simplified version of the code is posted below (white space, comments, etc removed to reduce size - but the general format to my program is kept roughly the same). When I run the script, the static text correctly wraps as it should, but the other items in the panel do not move down (they act as if the statictext is only one line and thus not everything is visible). If I manually resize the window/frame, even just a tiny amount, everything gets corrected and displays as it is should. I took screen shots to show this behavior, but I just created this account and thus don't have the required 10 reputation points to be allowed to post pictures. Why does it not display correctly to begin with? I've tried all sorts of combination's of GetParent().Refresh() or Update() and GetTopLevelParent().Update() or Refresh(). I've tried everything I can think of but cannot get it to display correctly without manually resizing the frame/window. Once re-sized, it works exactly as I want it to. Information: Windows XP Python 2.5.2 wxPython 2.8.11.0 (msw-unicode) Any suggestions? Thanks! Code: #! /usr/bin/python import wx class StaticWrapText(wx.PyControl): def __init__(self, parent, id=wx.ID_ANY, label='', pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.NO_BORDER, validator=wx.DefaultValidator, name='StaticWrapText'): wx.PyControl.__init__(self, parent, id, pos, size, style, validator, name) self.statictext = wx.StaticText(self, wx.ID_ANY, label, style=style) self.wraplabel = label #self.wrap() def wrap(self): self.Freeze() self.statictext.SetLabel(self.wraplabel) self.statictext.Wrap(self.GetSize().width) self.Thaw() def DoGetBestSize(self): self.wrap() #print self.statictext.GetSize() self.SetSize(self.statictext.GetSize()) return self.GetSize() class TestPanel(wx.Panel): def __init__(self, *args, **kwargs): # Init the base class wx.Panel.__init__(self, *args, **kwargs) self.createControls() def createControls(self): # --- Panel2 ------------------------------------------------------------- self.Panel2 = wx.Panel(self, -1) msg1 = 'Below is a List of Files to be Processed' staticBox = wx.StaticBox(self.Panel2, label=msg1) Panel2_box1_v1 = wx.StaticBoxSizer(staticBox, wx.VERTICAL) Panel2_box2_h1 = wx.BoxSizer(wx.HORIZONTAL) Panel2_box3_v1 = wx.BoxSizer(wx.VERTICAL) self.wxL_Inputs = wx.ListBox(self.Panel2, wx.ID_ANY, style=wx.LB_EXTENDED) sz = dict(size=(120,-1)) wxB_AddFile = wx.Button(self.Panel2, label='Add File', **sz) wxB_DeleteFile = wx.Button(self.Panel2, label='Delete Selected', **sz) wxB_ClearFiles = wx.Button(self.Panel2, label='Clear All', **sz) Panel2_box3_v1.Add(wxB_AddFile, 0, wx.TOP, 0) Panel2_box3_v1.Add(wxB_DeleteFile, 0, wx.TOP, 0) Panel2_box3_v1.Add(wxB_ClearFiles, 0, wx.TOP, 0) Panel2_box2_h1.Add(self.wxL_Inputs, 1, wx.ALL|wx.EXPAND, 2) Panel2_box2_h1.Add(Panel2_box3_v1, 0, wx.ALL|wx.EXPAND, 2) msg = 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' msg += 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' msg += 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' msg += 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' staticMsg = StaticWrapText(self.Panel2, label=msg) Panel2_box1_v1.Add(staticMsg, 0, wx.ALL|wx.EXPAND, 2) Panel2_box1_v1.Add(Panel2_box2_h1, 1, wx.ALL|wx.EXPAND, 0) self.Panel2.SetSizer(Panel2_box1_v1) # --- Combine Everything ------------------------------------------------- final_vbox = wx.BoxSizer(wx.VERTICAL) final_vbox.Add(self.Panel2, 1, wx.ALL|wx.EXPAND, 2) self.SetSizerAndFit(final_vbox) class TestFrame(wx.Frame): def __init__(self, *args, **kwargs): # Init the base class wx.Frame.__init__(self, *args, **kwargs) panel = TestPanel(self) self.SetClientSize(wx.Size(500,500)) self.Center() class wxFileCleanupApp(wx.App): def __init__(self, *args, **kwargs): # Init the base class wx.App.__init__(self, *args, **kwargs) def OnInit(self): # Create the frame, center it, and show it frame = TestFrame(None, title='Test Frame') frame.Show() return True if __name__ == '__main__': app = wxFileCleanupApp() app.MainLoop() EDIT: See my post below for a solution that works!

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  • How do I change the NGINX user?

    - by danielfaraday
    I have a PHP script that creates a directory and outputs an image to the directory. This was working just fine under Apache but we recently decided to switch to NGINX to make more use of our limited RAM. I'm using the PHP mkdir() command to create the directory: mkdir(dirname($path['image']['server']), 0755, true); After the switch to NGINX, I'm getting the following warning: Warning: mkdir(): Permission denied in ... I've already checked all the permissions of the parent directories, so I've determined that I probably need to change the NGINX or PHP-FPM 'user' but I'm not sure how to do that (I never had to specify user permissions for APACHE). I can't seem to find much information on this. Any help would be great! (Note: Besides this little hang-up, the switch to NGINX has been pretty seamless; I'm using it for the first time and it literally only took about 10 minutes to get up and running with NGINX. Now I'm just ironing out the kinks.)

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  • Exchange 2010 install locks out high level accounts

    - by tearman
    Basically, when we installed Exchange 2010 alongside our Exchange 2003 server (we assume), this is what caused our problem. The Exchange 2010 server is not active, just running on the domain. What's actually going on is that user groups like Enterprise Admins are getting a single deny flag on Full Control over mailboxes currently residing on the Exchange 2003 server which is preventing any of us from making changes. It says these permissions are inherited from the Parent Object, but we have no idea which one that is. Any idea on how to go about fixing this?

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  • How to use wget to grab copy of Google Code site documents?

    - by Alex Reynolds
    I have a Google Code project which has a lot of wiki'ed documentation. I would like to create a copy of this documentation for offline browsing. I would like to use wget or a similar utility. I have tried the following: $ wget --no-parent \ --recursive \ --page-requisites \ --html-extension \ --base="http://code.google.com/p/myProject/" \ "http://code.google.com/p/myProject/" The problem is that links from within the mirrored copy have links like: file:///p/myProject/documentName This renaming of links in this way causes 404 (not found) errors, since the links point to nowhere valid on the filesystem. What options should I use instead with wget, so that I can make a local copy of the site's documentation and other pages?

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  • android Xml-List view with filter

    - by harisali
    Hi, android is new for me. I am trying to develop a program on 1.5 platform but still in progress, plz guide me. I have some information in following format "item1","description1" "item2","description2" "item3","description3" "item4","description4" . . . . I want to show them on screen, I dont know which is recommended way to do this. After google I found 2 method. but I failed to successfully implement any of one. Method 1 I break both columns data into 2 different arrays, then populate listactivity with array of column 1, enable filter & on clicked event I want to raise alert which should show Text clicked in tilte & desc from 2nd array as msg body based on position. But here is problem if using filter index becomes reinitialize :-(, and there didnot find another way to get text of that row. public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //setContentView(R.layout.main); setListAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, Names)); getListView().setTextFilterEnabled(true); } public void onListItemClick(ListView parent, View v, int position, long id) { Builder builder = new AlertDialog.Builder(this); builder.setTitle(Names[position]); builder.setMessage(description[position] + " -> " + position ); builder.setPositiveButton("ok", null); builder.show(); } <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> </LinearLayout> its not picking right item from position if filter used :-(, plz guide Can you share source code of this Method B Here I tried to generate list row from XML , but giving error that 1.5 jar file didnot allow modification :-( public View getView(int position, View convertView, ViewGroup parent) { /* ViewInflate inflater=context.getViewInflate(); View row=inflater.inflate(R.layout.row, null, null); */ View row = (View) convertView; if (row==null) { LayoutInflater inflater=context.getLayoutInflater(); // LayoutInflater inflater = (LayoutInflater) context.getSystemService(context.LAYOUT_INFLATER_SERVICE); row = inflater.inflate(R.layout.row,null); } TextView label=(TextView)row.findViewById(R.id.label); label.setText(items[position]); TextView description=(TextView)row.findViewById(R.id.description); description.setText(items[position]); // ImageView icon=(ImageView)row.findViewById(R.id.icon); // icon.setImageResource(R.drawable.delete); return(row); } Plz suggest what is a right way to acconplish this, so app can show desc of item , has filter too. Plz share If you have any shouce code for this

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  • Are all SFP+ tranceivers usable for FEX between Nexus 5000 and Nexus 2000?

    - by Alain O'Dea
    I am looking at building a network with Nexus 5000 parent switches and Nexus 2000 fabric extenders. The mystery at the moment is what kind of SFP+ tranceivers are required for cross-connecting racks. Right now I am considering FET-10G, but I am not sure that 100m is long enough given the separation between racks is potentially very large since it is a rented rack environment. Are all SFP+ tranceivers usable for FEX between Nexus 5000 and Nexus 2000? Specifically, can SFP-10G-SR transceivers be used for longer distance FEX?

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  • Squid stale-while-revalidate not working when max-age=0

    - by Wiliam
    Squid 2.7 always reaches backend, expected is to reach backend using stale-while-revalidate only when cache expires, not when client triggers max-age=0. Script: <?php header('Cache-Control: public, max-age=10, stale-if-error=200, stale-while-revalidate=500'); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); sleep(2); die("OK"); And squid config: # http_port public_ip:port accel defaultsite= default hostname, if not provided http_port 80 accel defaultsite=mydomain.com # IP and port of your main application server (or multiple) cache_peer 127.0.0.1 parent 8000 0 no-query allow-miss originserver name=main # Do not tell the world that which squid version we're running httpd_suppress_version_string on # Remove the Caching Control header for upstream servers header_access Cache-Control deny all #header_access Last-Modified deny all # log all incoming traffic in Apache format logformat combined %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh access_log /usr/local/squid/var/logs/squid.log combined all cache_effective_user squid refresh_pattern . 10080 90% 999999 ignore-no-cache override-expire ignore-private icp_port 0

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  • Qt QAbstractButton setDown interferes with grabMouse

    - by edA-qa mort-ora-y
    I have some weird behaviour in Qt that seems like a defect. I'd like to know if anybody has a good workaround. I have a popup widget that contains many buttons in it. The user activates the popup by pressing the mouse button down. The popup widget calls grabMouse when shown. It gets all the mouse events. As it rolls over a button it calls setDown(true) on the button. Now however, when the mouse button is released the popup widget does not get the mouseReleaseEvent, that goes to the button. That is, calling setDown(true) on a button causes the button to steal mouse events, bypassing the grabMouse in the popup widget. I've looked at the source code for setDown but I can't see anything there that would do it directly. I also notice however that sometimes a button gets a hover event, sometimes not. I would assume it would never get those events when the mouse is grabbed. //g++ -o grab_lost grab_lost.cpp -lQtCore -lQtGui -I /usr/include/qt4/ -I /usr/include/qt4/QtCore -I /usr/include/qt4/QtGui /** Demonstrates the defect of losing the mouse. Run the program and: 1. Press mouse anywhere 2. release in purple block (not on X) 3. Release message written (GrabLost receives the mouseReleaseEvent) For defect: 1. Pree mouse anywhere 2. Release inside the X button 3. button is clicked, no release message (GrabLost does not get the mouseReleaseEvent) */ #include <QWidget> #include <QPushButton> #include <QApplication> #include <QMouseEvent> #include <QPainter> class GrabLost : public QWidget { QPushButton * btn; public: GrabLost( QWidget * parent = 0) : QWidget( parent, Qt::Popup ) { btn = new QPushButton( "X", this ); setMouseTracking( true ); } protected: void showEvent( QShowEvent * ev ) { QWidget::showEvent( ev ); grabMouse(); } void closeEvent( QCloseEvent * ev ) { releaseMouse(); QWidget::closeEvent( ev ); } void hideEvent( QHideEvent * ev ) { releaseMouse(); QWidget::hideEvent( ev ); } void mouseReleaseEvent( QMouseEvent * ev ) { qDebug( "mouseRelease" ); close(); } void mouseMoveEvent( QMouseEvent * ev ) { QWidget * w = childAt( ev->pos() ); bool ours = dynamic_cast<QPushButton*>( w ) == btn; btn->setDown( ours ); } void paintEvent( QPaintEvent * ev ) { //just to show where the widget is QPainter pt( this ); pt.setPen( QColor( 0,0,0 ) ); pt.setBrush( QColor( 128,0,128) ); pt.drawRect( 0, 0, size().width(), size().height() ); } }; class GrabMe : public QWidget { protected: void mousePressEvent( QMouseEvent * ev ) { GrabLost * gl = new GrabLost(); gl->resize( 100, 100 ); QPoint at( mapToGlobal( ev->pos() ) ); gl->move( at.x() - 50, at.y() - 50 ); gl->show(); } }; int main( int argc, char** argv ) { QApplication app( argc, argv ); GrabMe * gm = new GrabMe(); gm->move( 100, 100 ); gm->resize( 300, 300 ); gm->show(); app.exec(); return 0; }

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  • Boot to VHD backup plan

    - by Josh Barker
    I have a machine that I just reinstalled Windows and all of my applications onto... what a chore that is. I want to totally and completely avoid this from now on by creating an image. My first thought was to see if it possible to copy a VHD file when you are booted into it since I am using Windows 7 Ultimate as boot-to-vhd (without a parent machine). Is this possible and if so, how could I accomplish this? Keep in mind, this is my personal machine and I'm trying to keep things inexpensive (a good script would work). Thanks, Josh

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  • Add entire 300 GB filesystem to Git Annex repository?

    - by Ryan Lester
    By default, I get an error that I have too many open files from the process. If I lift the limit manually, I get an error that I'm out of memory. For whatever reason, it seems that Git Annex in its current state is not optimised for this sort of task (adding thousands of files to a repository at once). As a possible solution, my next thought was to do something like: cd / find . -type d | git annex add --$NONRECURSIVELY find . -type f | git annex add # Need to add parent directories of each file first or adding files fails The problem with this solution is that there doesn't seem from the documentation to be a way to non-recursively add a directory in Git Annex. Is there something I'm missing or a workaround for this? If my proposed solution is a dead end, are there other ways that people have solved this problem?

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  • Save a single web page (with background images) with Wget

    - by mikael
    I want to use Wget to save single web pages (not recursively, not whole sites) for reference. Much like Firefox's "Web Page, complete". My first problem is: I can't get Wget to save background images specified in the CSS. Even if it did save the background image files I don't think --convert-links would convert the background-image URLs in the CSS file to point to the locally saved background images. Firefox has the same problem. My second problem is: If there are images on the page I want to save that are hosted on another server (like ads) these wont be included. --span-hosts doesn't seem to solve that problem with the line below. I'm using: wget --no-parent --timestamping --convert-links --page-requisites --no-directories --no-host-directories -erobots=off http://domain.tld/webpage.html

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  • What process is resurrecting mysqld?

    - by ripper234
    I'm following this guide to reset my mysql root password (I'm on ubuntu). When I kill the mysqld process, it immediately gets resurrected. The parent process ID is 1. How can I find what keeps resurrecting mysqld? $ ps -ef | grep mysql mysql 30136 1 0 07:16 ? 00:00:00 /usr/sbin/mysqld root 30295 30274 0 07:18 pts/0 00:00:00 grep --color=auto mysql $ kill -9 30136 $ ps -ef | grep mysql mysql 30302 1 2 07:18 ? 00:00:00 /usr/sbin/mysqld root 30404 30274 0 07:18 pts/0 00:00:00 grep --color=auto mysql $

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  • when importing multiple javascript files the javascript seems to break

    - by waywardmd
    I am trying to incorperate several different js files into one page. For some reason though whichever ones are first, seem to break. Here is the code I am using: <link href="inc/css/style.css" rel="stylesheet" type="text/css" /> <link rel="stylesheet" href="inc/css/lightbox.css" type="text/css" media="screen" /> <script type="text/javascript" src="inc/js/prototype.js"></script> <script type="text/javascript" src="inc/js/scriptaculous.js?load=effects"></script> <script type="text/javascript" src="inc/js/lightbox.js"></script> <script type="text/javascript"> <!-- function MM_swapImgRestore() { //v3.0 var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc; } function MM_preloadImages() { //v3.0 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array(); var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++) if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}} } function MM_findObj(n, d) { //v4.01 var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n]; for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); if(!x && d.getElementById) x=d.getElementById(n); return x; } function MM_swapImage() { //v3.0 var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3) if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];} } </script> <script type="text/javascript" src="inc/js/jquery-1.3.2.min.js"></script> <script type="text/javascript" src="inc/js/jquery.slideshow.lite-0.4.js"></script> <script type="text/javascript" charset="utf-8"> $(document).ready(function(){ $("#slideshow2").slideshow({ pauseSeconds: 6, height: 196 }); }); </script> The first files are used for a lightbox and other functions and the second ones are used for a slideshow. Depending on the order one or the other will work, but never both at the same time. What am I doing wrong? Any help is greatly appreciated, thanks.

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