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• jquery : ul, li parent multiple child sub-child toggling

  - by user360826

  hello, my main question is as follows: how to show only the first subchild of a ul or li upon clicking the enclosing parent. eg: <ul> Grandparent <li> Child1 <li> Grandchild11</li></li> <li> Child2 <li>GrandChild21</li><li>grandchild22</li></li> </ul> so, for example I would like something to the effect of <script> $('ul').click(function(){ $('ul').children('first li').toggle() }); $('li').click(function(){ $('li').children('first li').toggle() }); </script> meaning: when i click ul, i only see the first child node (child1 and child2 will be shown, but not the grandchildren). when i click child1 or child2 i see the respective grandchild. grandchild is not shown upon clicking grandparent, only upon clicking child1 or child2. i know i am reinventing the wheel of some pre-coded solution, but any help would be largely appreciated!

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• Django Many-to-Many Question

  - by DZ

  My questions seems like a common problem that when I have seen any questions on it is never really asked right or not answered. So Im going to try to get the question right, and maybe someone knows how to resolve the issue, or correct my understanding. The problem: When you have a many-to-many relation ship (related_name not through) and you are trying to use the admin interface you are required to input one of the rleationships even though it does not have to exsist for you to create the first entry. Meaning you have to assign a group to an event to create the group. Wow that sounds complicated. So I can see why the question is not getting answered. Lets try the non code explanation example... First and important versions: Django 1.1.1 Phython 2.6 So I have a model where I created a many-to-many realtionship and Im using the related_name Im creating an app that is an event organizer, for simplicty lets say events although they could be anytype). For this first post Im going to stay away from the code and just try to explain. A few keys: (explaining comment) ** - many-to-many So in the model we have 1) The Main Event (this is main model) 2) Groups (link to events and their can be many events for a group) a) Events** I have simplified this example a little becuase I recognize that what does it matter. Just create the event first... But there are specific varations where that will not work. What the many-to-many related_name does it created another table with the indecies of the two other tables. Nothing says that this extra table HAS to be populated. Becuase if I look in the database and work within myPHPadmin I can create a group with out registering an event, since the connection between the two is a seperate table the DB does not care. How do I make the admin interface this realize it? Ok I know thats a lot so I hope I have explained it clearly. Thank you anyone for your comments/thoughts/advice

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• Android: Having trouble getting html from webpage

  - by Kyle

  Hi, I'm writing an android application that is supposed to get the html from a php page and use the parsed data from thepage. I've searched for this issue on here, and ended up using some code from an example another poster put up. Here is my code so far: HttpClient client = new DefaultHttpClient(); HttpGet request = new HttpGet(url); try { Log.d("first","first"); HttpResponse response = client.execute(request); String html = ""; Log.d("second","second"); InputStream in = response.getEntity().getContent(); Log.d("third","third"); BufferedReader reader = new BufferedReader(new InputStreamReader(in)); Log.d("fourth","fourth"); StringBuilder str = new StringBuilder(); String line = null; Log.d("fifth","fifth"); while((line = reader.readLine()) != null) { Log.d("request line",line); } in.close(); } catch (ClientProtocolException e) { } catch (IOException e) { // TODO Auto-generated catch block Log.d("error", "error"); } Log.d("end","end"); } Like I said before, the url is a php page. Whenever I run this code, it prints out the first first message, but then prints out the error error message and then finally the end end message. I've tried modifying the headers, but I've had no luck with it. Any help would be greatly appreciated as I don't know what I'm doing wrong. Thanks!

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• Mixing has_one and has_and_belongs_to_many associations

  - by Thomas

  I'm trying to build a database of urls(links). I have a Category model that has and belongs to many Links. Here's the migration I ran: class CreateLinksCategories < ActiveRecord::Migration def self.up create_table :links_categories, :id => false do |t| t.references :link t.references :category end end def self.down drop_table :links_categories end end Here's the Link model: class Link < ActiveRecord::Base validates :path, :presence => true, :format => { :with => /^(#{URI::regexp(%w(http https))})$|^$/ } validates :name, :presence => true has_one :category end Here's the category model: class Category < ActiveRecord::Base has_and_belongs_to_many :links end And here's the error the console kicked back when I tried to associate the first link with the first category: >>link = Link.first => #<Link id: 1, path: "http://www.yahoo.com", created_at: "2011-01-10... >>category = Category.first => #<category id : 1, name: "News Site", created_at: "2011-01-11... >>link.category << category => ActiveRecord::StatementInvalid: SQLite3::Exception: no such column : categories.link_id: Are my associations wrong or am I missing something in the database? I expected it to find the links_categories table. Any help is appreciated.

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• Entity framework 4.0 compiled query with Where() clause issue

  - by Andrey Salnikov

  Hello, I encountered with some strange behavior of System.Data.Objects.CompiledQuery.Compile function - here is my code for compile simple query: private static readonly Func<DataContext, long, Product> productQuery = CompiledQuery.Compile((DataContext ctx, long id) => ctx.Entities.OfType<Data.Product>().Where(p => p.Id == id) .Select(p=>new Product{Id = p.Id}).SingleOrDefault()); where DataContext inherited from ObjectContext and Product is a projection of POCO Data.Product class. My data context in first run contains Data.Product {Id == 1L} and in second Data.Product {Id == 2L}. First using of compilled query productQuery(dataContext, 1L) works perfect - in result I have Product {Id == 1L} but second run productQuery(dataContext, 2L) always returns null, instead of context in second run contains single product with id == 2L. If I remove Where clause I will get correct product (with id == 2L). It seems that first id value caching while first run of productQuery, and therefore all further calls valid only when dataContext contains Data.Product {id==1L}. This issue can't be reproduced if I've used direct query instead of its precompiled version. Also, all tests I've performed on test mdf base using SQL Server 2008 express and Visual studio 2010 final from my ASP.net application.

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• Problem with mathamatical calculation in JQUERY

  - by Param-Ganak

  Hello friends! I have two text boxes. I enter number in one textbox. I write following JQUERY for that textbox which get executed when the focus out from first text box. The JQUERY code takes the entered value from first text box and multiply it by a decimal number 34.95 and display the answer in second text box. The code is doing the calculation little bit ok because when I enter the value 1000 in first text box it gives answer 34950 in second textbox and when I enter the value 100 in first text box it gives answer 3495.0000000000005 in second text box. **Please any one tell me what is the problem. is problem is in my JQUERY code. I also want to show the answer always in decimal point. Answer should always dislply only two digits after decimal point. so How to achieve this too.** This is my JQUERY code. $("#id_pvalue").focusout(function() { q=$("#id_pvalue").val(); var ans=q*34.95; $("#id_tvalue").val(ans); }); Please guide me friends! Thank You!

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• jQuery script works in Firefox but not in IE. Why am I not surprised?

  - by Ben Tew

  I'm working with the context of a CMS system and trying to turn seperate div's into tabs. You can see it at http://www.wtvynews4.com/test I've kludged together some code from a tutorial site. <script charset="utf-8" type="text/javascript"> jQuery(function() { //When page loads... $("div[ondblclick$='87119417']").attr("id", "87119417"); $("div[ondblclick$='87119482']").attr("id", "87119482"); $("div[ondblclick$='87119672']").attr("id", "87119672"); $("div[ondblclick$='87119727']").attr("id", "87119727"); $("div[ondblclick$='87119812']").attr("id", "87119812"); $("div[ondblclick$='87119417']").addClass("tab_content"); $("div[ondblclick$='87119482']").addClass("tab_content"); $("div[ondblclick$='87119672']").addClass("tab_content"); $("div[ondblclick$='87119727']").addClass("tab_content"); $("div[ondblclick$='87119812']").addClass("tab_content"); $(".tab_content").hide(); //Hide all content $("ul.morenewstabs li:first").addClass("active").show(); //Activate first tab $(".tab_content:first").show(); //Show first tab content //On Click Event $("ul.morenewstabs li").click(function() { $("ul.morenewstabs li").removeClass("active"); //Remove any "active" class $(this).addClass("active"); //Add "active" class to selected tab $(".tab_content").hide(); //Hide all tab content var activeTab = $(this).find("a").attr("href"); //Find the href attribute value to identify the active tab + content $(activeTab).show(); //Fade in the active ID content return false; }); }); </script> Everything works fine in Firefox but not IE. can you provide any assistance? When the page loads the attribute ID's and classes aren't assigned. I tried changing jQuery(function() { to $(document).ready(function() still no luck.

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• Open new UserControl in the mainWindows

  - by user287964

  Hi I have this snippet public partial class Window1 : Window { public Window1() { InitializeComponent(); } private void ToggleButton_Checked(object sender, RoutedEventArgs e) { switch ((sender as Button).Content.ToString()) { case "UserControl 1": AddItemToContainer(new UserControl1()); break; case "UserControl 2": AddItemToContainer(new UserControl2()); break; case "UserControl 3": AddItemToContainer(new UserControl3()); break; default: break; } } void AddItemToContainer(UIElement _myElement) { Grid.SetColumn(_myElement, 1); HostContainer.Children.Add(_myElement); } } } } With this I can open a new userControl in myMainwindow Let’s say something like adding child to myMainWinodw,Now I’m trying to click on a button from my userControl so I open another userControl that take the place of the first one I explain: I have the mainWindows it has 3 button first one to open the first UserControl the second one to open the second userControl and the third to open the last UserControl,imagine that I opened the first UserControl let’s call it UC1, In the UC1 I have a button to open the second userControl (let’s call it UC2) I like that when I clik the button from the UC1 the UC2 is opened and take the place of the UC1 (of course the UC2 is still a child of myMainWinodw) I have alredy try to call the AddItemToContainer methode from other methode but nothing is happened Any suggestion please

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• How do i find if an object is before or after a waypoint?

  - by BoMann Andersen

  Im working on a racing game for a school project. Using Visual studio 10 pro, and Irrlicht. Sorry for bad grammar ., and its my first question so not sure if its done right. How i want it to work is that i make waypoints at different points on the track, and then i run my waypoint check to see if a car is past its next waypoint (the next it "needs" to go past), if yes then it updates the next waypoint, else nothing. The way i hope this will work is, i make a vector from n to n+1, then find the vector that is perpendicular to the first vector at n. Then i see if the object is in front or behind that vector. I found a Gamedev.net forumpost that helped me make this function: void Engine::checkWaypoint(Vehicle* vehicle) { btVector3 vector = waypoints[vehicle->nextWaypoint]; // n btVector3 nextVector = waypoints[vehicle->nextWaypoint + 1]; // n+1 vector = nextVector - vector; // First vector btVector3 pos = btVector3(vehicle->position.X,vehicle->position.Y,vehicle->position.Z); float product = vector.dot(pos - waypoints[vehicle->nextWaypoint]); // positiv = before, negative = behind if(product < 0) vehicle->nextWaypoint += 1; } Current bugs with this is: Updates the nextwaypoint more then ones without going past a new point. When it gets to the end and resets, it stops triggering on the first waypoints. So my questions: Is this an good way to do this? Did i do it right?

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• Pointer and malloc issue

  - by Andy

  I am fairly new to C and am getting stuck with arrays and pointers when they refer to strings. I can ask for input of 2 numbers (ints) and then return the one I want (first number or second number) without any issues. But when I request names and try to return them, the program crashes after I enter the first name and not sure why. In theory I am looking to reserve memory for the first name, and then expand it to include a second name. Can anyone explain why this breaks? Thanks! #include <stdio.h> #include <stdlib.h> void main () { int NumItems = 0; NumItems += 1; char* NameList = malloc(sizeof(char[10])*NumItems); printf("Please enter name #1: \n"); scanf("%9s", NameList[0]); fpurge(stdin); NumItems += 1; NameList = realloc(NameList,sizeof(char[10])*NumItems); printf("Please enter name #2: \n"); scanf("%9s", NameList[1]); fpurge(stdin); printf("The first name is: %s",NameList[0]); printf("The second name is: %s",NameList[1]); return 0; }

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• Event Dispatching, void pointer and alternatives

  - by PeeS

  i have my event dispatching / handling functionality working fine, but there is one issue that i need to resolve. Long story short, here are the details. // The event structure struct tEventMessage { // Type of the event int Type; // (void*) Allows those to be casted into per-Type objects void *pArgument1; void *pArgument2; }; I am sending events from different modules in my engine by using the above structure, which requires a pointer to an argument. All messages are queued, and then dispatched on the next ::Tick(). It works fine, untill i try to send something that doesn't exist in next ::Tick, for example: When a mouse click is being handled, it calculates the click coordinates in world space. This is being sent with a pointer to a vector representing that position, but after my program quits that method, this pointer gets invalid obviously, cause local CVector3 is destructed: CVector2 vScreenSpacePosition = vAt; CVector3 v3DPositionA = CVector3(0,0,0); CVector3 v3DPositionB = CVector3(0,0,0); // Screen space to World space calculation for depth zNear v3DPositionA = CMath::UnProject(vScreenSpacePosition, m_vScreenSize, m_Level.GetCurrentCamera()->getViewMatrix(), m_Level.GetCurrentCamera()->getProjectionMatrix(), -1.0 ); // Screen space to World space calculation for depth zFar v3DPositionB = CMath::UnProject(vScreenSpacePosition, m_vScreenSize, m_Level.GetCurrentCamera()->getViewMatrix(), m_Level.GetCurrentCamera()->getProjectionMatrix(), 1.0); // Send zFar position and ScreenSpace position to the handlers // Obviously both vectors won't be valid after this method quits.. CEventDispatcher::Get()->SendEvent(CIEventHandler::EVENT_SYSTEM_FINGER_DOWN, static_cast<void*>(&v3DPositionB), static_cast<void*>(&vScreenSpacePosition)); What i want to ask is, if there is any chance i could make my tEventMessage more 'template', so i can handle sending objects like in the above situation + use what is already implemented? Can't figure it out at the moment.. What else can be done here to allow me to pass some locally available data ? Please can somebody shed a bit of light on this please?

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• Assigning a value to an integer in a C linked list

  - by Drunk On Java

  Hello all. I have a question regarding linked lists. I have the following structs and function for example. struct node { int value; struct node *next; }; struct entrynode { struct node *first; struct node *last; int length; }; void addnode(struct entrynode *entry) { struct node *nextnode = (struct node *)malloc(sizeof(struct node)); int temp; if(entry->first == NULL) { printf("Please enter an integer.\n"); scanf("%d", &temp); nextnode->value = temp; nextnode->next = NULL; entry->first = nextnode; entry->last = nextnode; entry->length++; } else { entry->last->next = nextnode; printf("Please enter an integer.\n"); scanf("%d", nextnode->value); nextnode->next = NULL; entry->last = nextnode; entry->length++; } } In the first part of the if statement, I store input into a temp variable and then assign that to a field in the struct. The else branch, I tried to assign it directly which did not work. How would I go about assigning it directly? Thanks for your time.

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• XSLT 1 Plain Text Spacing

  - by justkt

  Using Perl's XML::LibXSLT necessitates that I use XSLT 1.0, which means that I am stuck without XSLT 2.0 features. Is there a way that I can still pad text cleanly in a plain-text output from my processing? What I want is: <values> <headers> <header>Header 1</header> <header>Header 2</header> </headers> <value> <one>First value 1</one> <two>First value 2</two> </value> <value> <one>Second value 1</one> <two>Second value 2</two> </value> .... <value> <one>Nth value 1</one> <two>Nth value 2</two> </value> </values> To become Header 1 Header 2 First value 1 First value 2 Second value 1 Second value 2 .... Nth value 1 Nth value 2 I realize that XSLT isn't necessarily ideally suited for this type of formatting, but the data will likely also be formatted in other ways.

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• thrust::unique_by_key eating up last element

  - by Programmer

  Please consider the below simple code: thrust::device_vector<int> positions(6); thrust::sequence(positions.begin(), positions.end()); thrust::pair<thrust::device_vector<int>::iterator, thrust::device_vector<int>::iterator > end; //copyListOfNgramCounteachdoc contains: 0,1,1,1,1,3 end.first = copyListOfNgramCounteachdoc.begin(); end.second = positions.begin(); for(int i =0 ; i < numDocs; i++){ end= thrust::unique_by_key(end.first, end.first + 3,end.second); } int length = end.first - copyListOfNgramCounteachdoc.begin() ; cout<<"the value of end -s is: "<<length; for(int i =0 ; i< length ; i++){ cout<<copyListOfNgramCounteachdoc[i]; } I expected the output to be 0,1,1,3 of this code; however, the output is 0,1,1. Can anyone let me know what I am missing? Note: the contents of copyListOfNgramCounteachdoc is 0,1,1,1,1,3 . Also the type of copyListOfNgramCounteachdoc is thrust::device_vector<int>.

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• next previous button in div jquery mobile

  - by satine kianne

  i have a total of 11 div in my app. what i want to do is to display 3 divs in between 2 permanent div it should look like this |first permanent div| |div 1| |div 2| |div 3| |second permanent div| |previous| |next| when i click on next is should look like this |first permanent div| |div 2| |div 3| |div 4| |second permanent div| |previous| |next| and so on. and when im not div 1,2,3 the previous should be disabled and when im no 7,8,9 the next should be disabled. but i cant make it i'm using this fiddle as a sample http://jsfiddle.net/WGkPV/1/ its working but only one div is shown in the center of my two permanent div which is not in my plan.im getting like this |first permanent div| |div 1| |second permanent div| |previous| |next| any suggestion will be taken seriously. here is the code of the fiddle im working on as tutorial $(document).ready(function () { var divs = $('.mydivs>div'); var now = 0; // currently shown div divs.hide().first().show(); $("button[name=next]").click(function (e) { divs.eq(now).hide(); now = (now + 1 < divs.length) ? now + 1 : 0; divs.eq(now).show(); // show next }); $("button[name=prev]").click(function (e) { divs.eq(now).hide(); now = (now > 0) ? now - 1 : divs.length - 1; divs.eq(now).show(); // or .css('display','block'); //console.log(divs.length, now); }); }); <div class="mydivs"> <div>div 1</div> <div>div 2</div> <div>div 3</div> <div>div 4</div> </div>

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• Accessing items at deeper levels using children() in jQuery

  - by favo

  Hi, I want to access a simple button in an unknown nested level of a container. Using container.children('button') allows me to access buttons in the first level, i.e.: <div> <button>test</button> </div> Trying to use the same with the following construct: <div> <div> <button>test</button> </div> </div> .. fails, because the button is not a direct children. I could use element.children().children('button') but the depth of the button can change and this feels too strange. I can also write my own function to iterate thru all children to find what I need, but I guess jQuery does already have selectors for this. So the question is: How can I access children in an unknown depth using jQuery selectors? Thank you all in advance for your feedback!

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• "pseudo-atomic" operations in C++

  - by dan

  So I'm aware that nothing is atomic in C++. But I'm trying to figure out if there are any "pseudo-atomic" assumptions I can make. The reason is that I want to avoid using mutexes in some simple situations where I only need very weak guarantees. 1) Suppose I have globally defined volatile bool b, which initially I set true. Then I launch a thread which executes a loop while(b) doSomething(); Meanwhile, in another thread, I execute b=true. Can I assume that the first thread will continue to execute? In other words, if b starts out as true, and the first thread checks the value of b at the same time as the second thread assigns b=true, can I assume that the first thread will read the value of b as true? Or is it possible that at some intermediate point of the assignment b=true, the value of b might be read as false? 2) Now suppose that b is initially false. Then the first thread executes bool b1=b; bool b2=b; if(b1 && !b2) bad(); while the second thread executes b=true. Can I assume that bad() never gets called? 3) What about an int or other builtin types: suppose I have volatile int i, which is initially (say) 7, and then I assign i=7. Can I assume that, at any time during this operation, from any thread, the value of i will be equal to 7? 4) I have volatile int i=7, and then I execute i++ from some thread, and all other threads only read the value of i. Can I assume that i never has any value, in any thread, except for either 7 or 8? 5) I have volatile int i, from one thread I execute i=7, and from another I execute i=8. Afterwards, is i guaranteed to be either 7 or 8 (or whatever two values I have chosen to assign)?

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• Learning Python else syntax error

  - by user1441016

  Hi I am learning python by doing the practice problems for Open course at MIT 6.00 Intro to Computer Science. I am Trying to do practice problem 1 part 2 create a recursive function to count the instance of key in target. My code so far... from string import * def countSubStringMatchRecursive (target, key,x,s): if (find(target,key)==find(target,key,s)) and (find(target,key)==find(target,key,(find(target,key)))):#if first and last return (1) elif (find(target,key)==find(target,key,s))and (find(target,key)!=find(target,key,(find(target,key)))):#if first but not last x=1 s= find(target,key) return (countSubStringMatchRecursive(target,key,s,x) elif (find(target,key,s))==-1 and (find(target,key)!=find(target,key,s)):#if last but not first return (x+1) elif:(find(target,key,s))!=-1 and (find(target,key)!=find(target,key,s)):#if not last and not first x=x+1 s= find(target,key,s) return (countSubStringMatchRecursive(target,key,s,x) I getting a syntax error at line 8. I would just like to know what I did wrong there. Dont worry about the other mistakes I should be able to get those sorted out. I just Stuck on this. Thanks.

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• problem with jquery each and swich between 2 things

  - by moustafa

  first see this post i got this code $('.yesno').click(function(){ $('.yesno').each(function(i, v){ $(v).removeClass('selected'); }); $(this).addClass('selected'); return false; }); and html this <a href="#"> <span class="Yes yesno">Yes</span> </a> <a href="#"> <span class="No yesno">No</span> no the problem when i make more than one vote iam get very big problem see this <a href="#"> <span class="Yes yesno">Yes</span> </a> <a href="#"> <span class="No yesno">No</span> </a> <a href="#"> <span class="Yes yesno">Yes</span> </a> <a href="#"> <span class="No yesno">No</span> </a> </a> when click first yes its choose the first yes and hwen iam going to the next yes when click its because selected but the first yes because unselected i want make some thin make each yes and know is differant of others

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• Display TableViews corresponding to segmentedControl in a single tableview without pushing a new view

  - by user1727927

  I have a tableViewController where I have used the Interface Builder to insert a Segmented Controller having two segments. Since by default, first segment is always selected, I am not facing any problem in displaying the tableview corresponding to first segment. However, when I click on the second segment, I want to display another tableView. Here goes the problem. I am calling newTableViewController class on clicking the second segment. Hence, this view is getting pushed instead. Please suggest me a method to have these two tableViews in the main tableView upon clicking the segments. I have used switch case for switching between the segments. Here's the relevant part of the code: This method is in the FirstTableViewController since first segment is by default selected. -(IBAction) segmentedControlChanged { switch(segmentedControl.selectedSegmnentIndex) { case 0: //default first index selected. [tableView setHidden:NO]; break; case 1: NewViewController *controller=[[NewViewController alloc] initWithNibName:@"NewViewController" bundle:nil]; self.navigationController pushViewController:controller animated:YES]; [controller release]; break; default: break; } }

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• Why isn't the pathspec magic :(exclude) excluding the files I specify from git log's output?

  - by Jubobs

  This is a follow-up to Ignore files in git log -p and is also related to Making 'git log' ignore changes for certain paths. I'm using Git 1.9.2. I'm trying to use the pathspec magic :(exclude) to specify that some patches should not be shown in the output of git log -p. However, patches that I want to exclude still show up in the output. Here is minimal working example that reproduces the situation: cd ~/Desktop mkdir test_exclude cd test_exclude git init mkdir testdir echo "my first cpp file" >testdir/test1.cpp echo "my first xml file" >testdir/test2.xml git add testdir/ git commit -m "added two test files" Now I want to show all patches in my history expect those corresponding to XML files in the testdir folder. Therefore, following VonC's answer, I run git log --patch -- . ":(exclude)testdir/*.xml" but the patch for my testdir/test2.xml file still shows up in the output: commit 37767da1ad4ad5a5c902dfa0c9b95351e8a3b0d9 Author: xxxxxxxxxxxxxxxxxxxxxxxxx Date: Mon Aug 18 12:23:56 2014 +0100 added two test files diff --git a/testdir/test1.cpp b/testdir/test1.cpp new file mode 100644 index 0000000..3a721aa --- /dev/null +++ b/testdir/test1.cpp @@ -0,0 +1 @@ +my first cpp file diff --git a/testdir/test2.xml b/testdir/test2.xml new file mode 100644 index 0000000..8b7ce86 --- /dev/null +++ b/testdir/test2.xml @@ -0,0 +1 @@ +my first xml file What am I doing wrong? What should I do to tell git log -p not to show the patch associated with all XML files in my testdir folder?

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• How do I display core data on second view controller?

  - by jon

  I am working on my first core data iPhone application. I am using a navigation controller, and the root view controller displays 4 rows. Clicking the first row takes me to a second table view controller. However, when I click the back button, repeat the row tap, click the back button again, and tap the row a third time, I get an error. I have been researching this for a week with no success. I can reproduce the error easily: Create a new Navigation-based Application, use Core Data for storage, call it MyTest which creates MyTestAppDelegate and RootViewController. Add new UIViewController subclass, with UITableViewController and xib, call it ListViewController. Copy code from RootViewController.h and .m to ListViewController.h and .m., changing the file names appropriately. To simplify the code, I removed the trailing “_” from all variables. In RootViewController, I added #import ListViewController.h, set up an array to display 4 rows and navigate to ListViewController when clicking the first row. In ListViewController.m, I added #import MyTestAppDelegate.h” and the following code: - (void)viewDidLoad { [super viewDidLoad]; if (managedObjectContext == nil) { managedObjectContext = [(MyTestAppDelegate *)[[UIApplication sharedApplication] delegate] managedObjectContext]; } .. } The sequence that causes the error is tap row, return, tap row, return, tap row - error. managedObjectContext is synthesized for the third time. I appreciate your patience and your help, as this makes no sense to me. ADDENDUM: I may have a partial solution. http://www.iphonedevsdk.com/forum/iphone-sdk-development/41688-accessing-app-delegates-managed-object-context.html If I do not release the managedObjectContext in the .m file, the error goes away. Is that ok or will that cause me issues? - (void)dealloc { [fetchedResultsController release]; // [managedObjectContext release]; [super dealloc]; } ADDENDUM 2: See solution below. Sorry for the formatting issues - this was my first post.

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• Pair equal operator overloading for inserting into set

  - by Petwoip

  I am trying to add a pair<int,int> to a set. If a pair shares the same two values as another in the set, it should not be inserted. Here's my non-working code: typedef std::pair<int, int> PairInt; template<> bool std::operator==(const PairInt& l, const PairInt& r) { return (l.first == r.first && l.second == r.second) || (l.first == r.second && l.second == r.first); } int main() { std::set<PairInt> intSet; intSet.insert(PairInt(1,3)); intSet.insert(PairInt(1,4)); intSet.insert(PairInt(1,4)); intSet.insert(PairInt(4,1)); } At the moment, the (4,1) pair gets added even though there is already a (1,4) pair. The final contents of the set are: (1 3) (1 4) (4 1) and I want it to be (1 3) (1 4) I've tried putting breakpoints in the overloaded method, but they never get reached. What have I done wrong?

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• Injection of banners in my webbrowsers possible malware

  - by Skadlig

  Recently I have started to suspect that I have some kind of virus on my computer. There are 3 symptoms: Banners are being displayed on pages that doesn't use commercials, for instance when viewing screen-shots on Steam. It is only displayed after the rest of the page has been loaded and seems to be injected into it. The whole page is replaced with a commercial with the option to skip the commercial. The page is replaced with a search window claiming that the page could not be found. I have tried to scan my computer with Antivir and Adaware but only found a couple of tracking cookies. I have run HijackThis but since this isn't really my area I haven't been able to discern what shouldn't be there except the line about zonealarm since I have uninstalled it. Is there anyone out there who is able to see if there is anything suspicious in the log-file at the end or has suggestions regarding programs that might be better to find the virus than Antivir and Adaware? Here is the whole (long) log: Logfile of Trend Micro HijackThis v2.0.2 Scan saved at 21:44:07, on 2010-04-15 Platform: Unknown Windows (WinNT 6.01.3504) MSIE: Internet Explorer v8.00 (8.00.7600.16385) Boot mode: Normal Running processes: C:\Windows\SysWOW64\HsMgr.exe C:\Program Files (x86)\Personal\bin\Personal.exe F:\Program Files (x86)\Apache Software Foundation\Apache2.2\bin\ApacheMonitor.exe C:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe F:\Program Files (x86)\PowerISO\PWRISOVM.EXE C:\Program Files (x86)\Java\jre6\bin\jusched.exe C:\Program Files\ASUS Xonar DX Audio\Customapp\ASUSAUDIOCENTER.EXE F:\Program Files (x86)\Voddler\service\VNetManager.exe C:\Program Files (x86)\Emotum\Mobile Broadband\Mobile.exe F:\Program Files\Logitech\SetPoint\x86\SetPoint32.exe C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWTray.exe F:\Program Files (x86)\Mozilla Firefox\firefox.exe F:\Program Files (x86)\Trend Micro\HijackThis\HijackThis.exe R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896 R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896 R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157 R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = F2 - REG:system.ini: UserInit=userinit.exe O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll O2 - BHO: gwprimawega - {83bb5261-81ec-25ae-4adf-e88936738525} - C:\Windows\SysWow64\aZfJupUw.dll O2 - BHO: ZoneAlarm Toolbar Registrar - {8A4A36C2-0535-4D2C-BD3D-496CB7EED6E3} - C:\Program Files\CheckPoint\ZAForceField\WOW64\TrustChecker\bin\TrustCheckerIEPlugin.dll (file missing) O2 - BHO: Windows Live inloggningshjälpen - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll O3 - Toolbar: ZoneAlarm Toolbar - {EE2AC4E5-B0B0-4EC6-88A9-BCA1A32AB107} - C:\Program Files\CheckPoint\ZAForceField\WOW64\TrustChecker\bin\TrustCheckerIEPlugin.dll (file missing) O4 - HKLM..\Run: [avgnt] "C:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe" /min O4 - HKLM..\Run: [PWRISOVM.EXE] f:\Program Files (x86)\PowerISO\PWRISOVM.EXE O4 - HKLM..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Java\jre6\bin\jusched.exe" O4 - HKLM..\Run: [QuickTime Task] "F:\Program Files (x86)\QuickTime\QTTask.exe" -atboottime O4 - HKLM..\Run: [Adobe Reader Speed Launcher] "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Reader_sl.exe" O4 - HKLM..\Run: [VoddlerNet Manager] f:\Program Files (x86)\Voddler\service\VNetManager.exe O4 - HKCU..\Run: [Steam] "f:\program files (x86)\steam\steam.exe" -silent O4 - HKCU..\Run: [msnmsgr] "C:\Program Files (x86)\Windows Live\Messenger\msnmsgr.exe" /background O4 - Global Startup: BankID Security Application.lnk = C:\Program Files (x86)\Personal\bin\Personal.exe O4 - Global Startup: Logitech SetPoint.lnk = ? O4 - Global Startup: Monitor Apache Servers.lnk = F:\Program Files (x86)\Apache Software Foundation\Apache2.2\bin\ApacheMonitor.exe O13 - Gopher Prefix: O16 - DPF: {1E54D648-B804-468d-BC78-4AFFED8E262F} (System Requirements Lab) - http://www.nvidia.com/content/DriverDownload/srl/3.0.0.4/srl_bin/sysreqlab_nvd.cab O16 - DPF: {4871A87A-BFDD-4106-8153-FFDE2BAC2967} (DLM Control) - http://dlcdnet.asus.com/pub/ASUS/misc/dlm-activex-2.2.5.0.cab O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab O17 - HKLM\System\CCS\Services\Tcpip..{5F7DB2E1-29C4-4299-A483-B68B19E9F015}: NameServer = 195.54.122.221 195.54.122.211 O17 - HKLM\System\CS1\Services\Tcpip..{5F7DB2E1-29C4-4299-A483-B68B19E9F015}: NameServer = 195.54.122.221 195.54.122.211 O17 - HKLM\System\CS2\Services\Tcpip..{5F7DB2E1-29C4-4299-A483-B68B19E9F015}: NameServer = 195.54.122.221 195.54.122.211 O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing) O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files (x86)\Avira\AntiVir Desktop\sched.exe O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files (x86)\Avira\AntiVir Desktop\avguard.exe O23 - Service: Apache2.2 - Apache Software Foundation - F:\Program Files (x86)\Apache Software Foundation\Apache2.2\bin\httpd.exe O23 - Service: Dragon Age: Origins - Content Updater (DAUpdaterSvc) - BioWare - F:\Program Files (x86)\Dragon Age\bin_ship\DAUpdaterSvc.Service.exe O23 - Service: Device Error Recovery Service (dgdersvc) - Devguru Co., Ltd. - C:\Windows\system32\dgdersvc.exe O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing) O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing) O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: SAMSUNG KiesAllShare Service (KiesAllShare) - Unknown owner - F:\Program Files (x86)\Samsung\Kies\WiselinkPro\WiselinkPro.exe O23 - Service: Lavasoft Ad-Aware Service - Lavasoft - C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWService.exe O23 - Service: Logitech Bluetooth Service (LBTServ) - Logitech, Inc. - C:\Program Files\Common Files\Logishrd\Bluetooth\LBTServ.exe O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing) O23 - Service: MySQL - Unknown owner - F:\Program.exe (file missing) O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: NVIDIA Display Driver Service (nvsvc) - Unknown owner - C:\Windows\system32\nvvsvc.exe (file missing) O23 - Service: Sony Ericsson OMSI download service (OMSI download service) - Unknown owner - f:\Program Files (x86)\Sony Ericsson\Sony Ericsson PC Suite\SupServ.exe O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing) O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: ServiceLayer - Nokia. - C:\Program Files (x86)\PC Connectivity Solution\ServiceLayer.exe O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing) O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - C:\Windows\System32\spoolsv.exe (file missing) O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing) O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files (x86)\Common Files\Steam\SteamService.exe O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing) O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing) O23 - Service: VoddlerNet - Voddler - f:\Program Files (x86)\Voddler\service\voddler.exe O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing) O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing) O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing) O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing) -- End of file - 8958 bytes

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• Windows 7 explorer always crashes, opens small "Personalized Settings" window

  - by Ian Sellar

  My Windows 7 desktop PC, built by me, started acting very weird in the last couple of days. I use it quite often, about half of the time through TeamViewer. Explorer would crash and restart randomly, almost always through TeamViewer. This made me suspect that TeamViewer was the problem but I have reproduced it with and without TeamViewer several times. The only way I can seem to get the problem not to occur is by booting into Safe Mode. I have used CCleaner and Malwarebytes to make sure it wasn't a registry error or malware causing the problem, and I have tried the fix in the seemly related issue here as well every other fix I have found online including removing security updates KB980408 and KB2926765 as well as using "sfc /scannow" and a bunch of other things I can't remember. More recently when I try to start explorer it is popping up a small window that says "Personalized Settings" on the top, but is completely empty and crashes instantly. The only way I can get it to disappear is to kill the explorer.exe process. I wish I could take a screenshot but I can't seem to open paint or even find the exe. I have tried restarting it, I have tried starting it while the personalized settings window was open. I have come up with two lists of processes the first is the list of active processes when I boot into safe mode and explorer seems to work fine. The second is the list of processes that I can narrow it down to in normal boot and still replicate the problem. There is one process that I can't seem to close. NisSrv.exe which is describes as "Microsoft Network Realtime Inspection Service". When I try to close the process NisSrv.exe it says "The operation could not be completed. Access is denied." When I try to close the related service it gives the same message. Image Name PID Session Name Session# Mem Usage ========================= ======== ================ =========== ============ System Idle Process 0 Services 0 24 K System 4 Services 0 2,660 K smss.exe 304 Services 0 1,196 K csrss.exe 408 Services 0 4,156 K wininit.exe 444 Services 0 4,608 K csrss.exe 452 Console 1 8,700 K services.exe 492 Services 0 7,700 K winlogon.exe 524 Console 1 5,756 K lsass.exe 536 Services 0 10,644 K lsm.exe 544 Services 0 4,316 K svchost.exe 652 Services 0 8,976 K MsMpEng.exe 804 Services 0 40,696 K explorer.exe 1332 Console 1 85,220 K ctfmon.exe 1376 Console 1 3,680 K dllhost.exe 1624 Console 1 8,656 K chrome.exe 1408 Console 1 98,504 K WmiPrvSE.exe 2352 Services 0 6,472 K chrome.exe 1744 Console 1 65,116 K taskmgr.exe 372 Console 1 14,948 K cmd.exe 2776 Console 1 2,960 K conhost.exe 1816 Console 1 3,580 K tasklist.exe 2308 Console 1 5,868 K And the list of processes I have narrowed it down to. Image Name PID Session Name Session# Mem Usage ========================= ======== ================ =========== ============ System Idle Process 0 Services 0 24 K System 4 Services 0 2,808 K smss.exe 316 Services 0 1,216 K csrss.exe 484 Services 0 4,532 K wininit.exe 596 Services 0 4,604 K csrss.exe 604 Console 1 23,676 K services.exe 652 Services 0 11,344 K lsass.exe 668 Services 0 12,692 K lsm.exe 676 Services 0 4,464 K MsMpEng.exe 972 Services 0 68,436 K winlogon.exe 168 Console 1 7,784 K svchost.exe 496 Services 0 19,140 K NisSrv.exe 3176 Services 0 808 K svchost.exe 1684 Services 0 11,260 K taskmgr.exe 4524 Console 1 20,696 K cmd.exe 4764 Console 1 7,224 K conhost.exe 4772 Console 1 6,916 K sublime_text.exe 2340 Console 1 45,012 K dllhost.exe 4476 Console 1 8,736 K tasklist.exe 3796 Console 1 5,768 K WmiPrvSE.exe 1768 Services 0 6,344 K Here is the event data xml from event viewer for the error I am getting. <EventData> <Data>explorer.exe</Data> <Data>6.1.7601.17567</Data> <Data>4d672ee4</Data> <Data>vrfcore.dll</Data> <Data>6.3.9600.16384</Data> <Data>5215f8f5</Data> <Data>80000003</Data> <Data>0000000000003a00</Data> <Data>12e4</Data> <Data>01cfb84fa70f89dc</Data> <Data>C:\Windows\system32\explorer.exe</Data> <Data>C:\Windows\SYSTEM32\vrfcore.dll</Data> <Data>e5957093-2442-11e4-9f8a-94de806ed9cb</Data> </EventData> I was looking through the eventvwr log again and I found this, possibly related <EventData> <Data>runonce.exe</Data> <Data>6.1.7601.17514</Data> <Data>4ce7a253</Data> <Data>MSVCR100.dll</Data> <Data>10.0.40219.325</Data> <Data>4df2bcac</Data> <Data>c0000005</Data> <Data>000000000003c145</Data> <Data>670</Data> <Data>01cfb8dabbd85942</Data> <Data>C:\Windows\system32\runonce.exe</Data> <Data>C:\Windows\system32\MSVCR100.dll</Data> <Data>fa6f82b9-24cd-11e4-80a8-94de806ed9cb</Data> </EventData> And the general error details Faulting application name: Explorer.EXE, version: 6.1.7601.17567, time stamp: 0x4d672ee4 Faulting module name: vrfcore.dll, version: 6.3.9600.16384, time stamp: 0x5215f8f5 Exception code: 0x80000003 Fault offset: 0x0000000000003a00 Faulting process id: 0xc38 Faulting application start time: 0x01cfb84e5e852c5f Faulting application path: C:\Windows\Explorer.EXE Faulting module path: C:\Windows\SYSTEM32\vrfcore.dll Report Id: 9dc19e6d-2441-11e4-9f8a-94de806ed9cb Another probably unrelated error that I seem to be getting pretty often. Event filter with query "SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA "Win32_Processor" AND TargetInstance.LoadPercentage > 99" could not be reactivated in namespace "//./root/CIMV2" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected. My explorer tab in Autoruns seen below along with the error when I try to uncheck something. I should add that I seem to be able to disable shell extensions with ShellExView but I still can't get explorer to start correctly. EXPLORER SHELL UPDATE - See screenshot below I can access the explorer right click menu through a file manager I downloaded called NexusFile, but still no luck starting explorer. Another round of errors that I am getting regarding Windows Search Service The search service has detected corrupted data files in the index {id=4700}. The service will attempt to automatically correct this problem by rebuilding the index. Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801) followed by The Windows Search Service is being stopped because there is a problem with the indexer: The catalog is corrupt. Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801 and The plug-in in <Search.JetPropStore> cannot be initialized. Context: Windows Application, SystemIndex Catalog Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801) and The gatherer object cannot be initialized. Context: Windows Application, SystemIndex Catalog Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801) and The Windows Search Service cannot load the property store information. Context: Windows Application, SystemIndex Catalog Details: The content index database is corrupt. (HRESULT : 0xc0041800) (0xc0041800) WER Log http://pastebin.com/WXKGDT4Q I'll add information as I remember it or people request it.

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