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• Rspec > testing database views

  - by Sean McCleary

  How can database views be tested in Rspec? Every scenario is wrapped in a transaction and the data does not look like it is being persisted to the database (MySQL in my case). My view returns with an empty result set because none of the records are being persisted in the transaction. I am validating that the records are not being stored by setting a debug point in my spec and checking my data with a database client while the spec is being debugged. The only way I can think to have my view work would be if I could commit the transaction before the end of the scenario and then clear the database after the scenario is complete. Does anyone know how to accomplish this or is there a better way? Thanks

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• How can I take zooming into account when a user touches a UIScrollView?

  - by Bill

  I have a UIImageView inside of a UIScrollView. The parent scroll view allows zooming and panning. When the user taps a point in the scroll view, I want to find the location in the raw image inside the UIImageView - i.e. I want the point after including any zooming and panning the user has done in the scroll view. Right now, I have a UIScrollView subclass called ForwardingScrollView that handles touch events and attempts to convert them into locations in the coordinate system of the child image view. I tried adding contentOffset to these points, tried multiplying them by zoomScale, and even tried doing both. I also tried calling [touch locationInView: self] and [touch locationInView: parent], but none of these methods correctly return the point that I clicked in the underlying image. What's the best way to do this? Thanks in advance.

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• Library of ALL countries and their states for address forms

  - by Chris

  I need a library that includes all countries and respective codes in 1 array and a second multidimensional array for country to its states and a last array for state code to state name. I found tons of matches for similar requests but none actually have a simple CSV or XML with just that. My goal is to build an address form where you select your country and it then pre-populates the state dropdown - if the country has states - with the country's states. Shouldn't be so hard to find, but I guess i'm blind. Thanks so much for all help!

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• Passing an array of structures to an Oracle stored procedure (CFMX)

  - by Patti

  I'm looking to write a Oracle stored procedure where I would pass in (from ColdFusion) an array of structures and loop over each iteration to insert the bits and pieces within the structures to the DB., I haven't written this type of procedure / package before. I am planning to do an sp / package similar to what is sketched out in the second reply to this thread: How to pass a array of object to oracle stored procedure Assuming I do, how can I call the procedure from ColdFusion (I'm using MX) and pass in my array? As far as I can see, none of the CF_SQL_Types make sense.

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• How can I duplicate, or copy a Core Data Managed Object?

  - by 106480833665852483906

  I have a managed object ("A") that contains various attributes and types of relationships, and its relationships also have their own attributes & relationships. What I would like to do is to "copy" or "duplicate" the entire object graph rooted at object "A", and thus creating a new object "B" that is very similar to "A". To be more specific, none of the relationships contained by "B" (or its children) should point to objects related to "A". There should be an entirely new object graph with similar relationships intact, and all objects having the same attributes, but of course different id's. There is the obvious manual way to do this, but I was hoping to learn of a simpler means of doing so which was not totally apparent from the Core Data documentation. TIA!

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• mysql NO_AUTO_VALUE_ON_ZERO problem

  - by every_answer_gets_a_point

  at least i think that is what the problem is. i am updating a mysql database through excel using an odbc like this: With rs .AddNew ' create a new record ' add values to each field in the record .Fields("datapath") = dpath .Fields("analysistime") = atime .Fields("reporttime") = rtime .Fields("lastcalib") = lcalib .Fields("analystname") = aname .Fields("reportname") = rname .Fields("batchstate") = "bstate" .Fields("instrument") = "NA" .Update ' stores the new record End With besides the fields above, i also have a primary key auto_increment field called rowid for some reason the only field that gets updated is instrument. none of the other fields get updated.. however, when i try to do the same updating on a table that has no ROWID auto_increment field, it works perfectly has anyone else experienced this kind of issue before?

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• Python os.path.walk() method

  - by Aaron Moodie

  I'm currently using the walk method in a uni assignment. It's all working fine, but I was hoping that someone could explain something to me. in the example below, what is the a parameter used for on the myvisit method? >>> from os.path import walk >>> def myvisit(a, dir, files): ... print dir,": %d files"%len(files) >>> walk('/etc', myvisit, None) /etc : 193 files /etc/default : 12 files /etc/cron.d : 6 files /etc/rc.d : 6 files /etc/rc.d/rc0.d : 18 files /etc/rc.d/rc1.d : 27 files /etc/rc.d/rc2.d : 42 files /etc/rc.d/rc3.d : 17 files /etc/rc.d/rcS.d : 13 files

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• TypeError while using django Form in editing an Entry

  - by damon

  I have an Entry model which can belong to a Category.I am providing a CategoryChoicesForm sothat the user can choose from various Categorys (from a dropdown list)when an Entry is created or edited. I am having trouble with the CategoryChoicesForm while editing the Entry.It throws a TypeError.. If somebody can make out what is happening..please advise me how to correct this. int() argument must be a string or a number, not 'QueryDict' /home/Django-1.4/django/db/models/fields/__init__.py in get_prep_value, line 537 ...views.py in edit_entry category_choices_form = CategoryChoicesForm(form_data) ... ...forms.py in __init__ self.fields['categoryoption'].queryset = Category.objects.filter(creator=self.creator) Here is the form class CategoryChoicesForm(forms.Form): categoryoption = forms.ModelChoiceField( queryset = Category.objects.none(), required=False,label='Category') def __init__(self, categorycreator,*args, **kwargs): super(CategoryChoicesForm, self).__init__(*args, **kwargs) self.creator=categorycreator self.fields['categoryoption'].queryset = Category.objects.filter(creator=self.creator) The edit_entry view is as follows @login_required @transaction.commit_on_success def edit_entry(request,id,template_name,page_title): form_data = get_form_data(request) entry = get_object_or_404(Entry,pk=id,author=request.user) ... category_choices_form = CategoryChoicesForm(form_data) ...

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• Button border radius and cursor

  - by noober

  CSS border radius does affect button rendering (I see it's round form), but does not affect how it interacts with the user (I still can click button outside its border). How should I fix it? I see the behavior in Chrome. button { cursor: pointer; outline: none; background-size: 100% 100%; background-color: red; /*transparent;*/ /* It's actually red and ROUND. */ background-position: center center; background-repeat: no-repeat; border: 0px; -webkit-border-top-left-radius: 73px; -webkit-border-top-right-radius: 73px; -webkit-border-bottom-left-radius: 73px; -webkit-border-bottom-right-radius: 73px; width: 146px; height: 146px; background-image: url('leftarrow.png'); } Regards,

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• Databinding a list (in an object) to a combobox in VB.net

  - by Casey

  VB 2008 .NET 3.5 I have a custom "Shipment" object that contains a list of "ShippingRate" objects. This list of "ShippingRates" is accessible through a property "Shipment.PossibleShippingRates." That property simply returns a copy of the list of "ShippingRate" for that particular Shipment. My UI layer receives a list of "Shipment" objects from the BLL. This list is databound to a datagridview, and shows details relevant to the Shipment such as Shipping Address, etc. I want to bind the "Shipment.PossibleShippingRates" property to a combobox, such that when the user changes the grid row, the combobox reflects the "PossibleShippingRates" for that "Shipment." In addition, I need a way to store the "ShippingRate" they selected from the combobox for later use. I have tried a few ideas, but none of them work properly. Any ideas on how to do this?

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• Assigning a pointer variable to a const int in C++?

  - by John

  I'm wondering if anyone can explain the following to me: If I write int i = 0; float* pf = i; I get a compile error (gcc 4.2.1): error: invalid conversion from ‘int’ to ‘float*’ Makes sense - they are obviously two completely different types. But if instead I write const int i = 0; float* pf = i; It compiles without error. Why should the 'const' make a difference on the right hand side of the assignment? Isn't part of the idea of the 'const' keyword to be able to enforce type constraints for constant values? Any explanation I have been able to come up with feels kind of bogus. And none of my explanations also explain the fact that const int i = 1; float* pf = i; fails to compile. Can anyone offer an explanation?

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• Lightbox getting open multiple time on enter.

  - by Salil

  Hi All, I am going through a weird problem while using lightbox . Where ever the new light box is used user is able to open the same light box on same page number of time. For e.g Using tab button go to `Lightbox link`. Press enter --> Light box will open. Press enter --> second light box open below the previous one. and so on....... The problem is occurred when I use tab and entered on the link my focus is not getting changed from the link and so user is able to open multiple lightbox on clicking enter. I try following but it not works for me <a href = '/calenders/add_shipment' onclick ="this.blur()" class='lbOn'> <img src='/images/box-plus.png' style='border:none;'> </a> what should be my approached to get out of this.

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• Google App Engine: Difficulty with Users API (or maybe just a Python syntax problem)

  - by Rosarch

  I have a simple GAE app that includes a login/logout link. This app is running on the dev server at the moment. The base page handler gets the current user, and creates a login/logout url appropriately. It then puts this information into a _template_data dictionary, for convenience of subclasses. class BasePage(webapp.RequestHandler): _user = users.get_current_user() _login_logout_link = None if _user: _login_logout_link = users.create_logout_url('/') else: _login_logout_link = users.create_login_url('/') _template_data = {} _template_data['login_logout_link'] = _login_logout_link _template_data['user'] = _user def render(self, templateName, templateData): path = os.path.join(os.path.dirname(__file__), 'Static/Templates/%s.html' % templateName) self.response.out.write(template.render(path, templateData)) Here is one such subclass: class MainPage(BasePage): def get(self): self.render('start', self._template_data) The login/logout link is displayed fine, and going to the correct devserver login/logout page. However, it seems to have no effect - the server still seems to think the user is logged out. What am I doing wrong here?

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• Jquery- Hide div

  - by Pankaj

  I have a div inside form something like <form> <div> showing some information here </div> <div id="idshow" style="display:none"> information here </div> </form> i am population information inside div(idshow) on some button click event. what i want whenever i ill click outside div(idshow), it should be hide. just like i click on menu then menu is display and when i click outside menu it goes hide. I need everything using jquery

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• [C++] Needed: A simple C++ container (stack, linked list) that is thread-safe for writing

  - by conradlee

  I am writing a multi-threaded program using OpenMP in C++. At one point my program forks into many threads, each of which need to add "jobs" to some container that keeps track of all added jobs. Each job can just be a pointer to some object. Basically, I just need the add pointers to some container from several threads at the same time. Is there a simple solution that performs well? After some googling, I found that STL containers are not thread-safe. Some stackoverflow threads address this question, but none form a consensus on a simple solution.

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• How to display query results in an HTML page

  - by user272899

  When showing data from a mysql table on an php page does it have to be in a table?? What I want to do is display my results in divs. like so: <div class="moviebox rounded"><a href=""> <img src=" $imgurl " /> <form method="get" action=""> <input type="text" name="link" class="link" style="display:none" value="http://us.imdb.com/Title? $imdburl "/> </form> </a></div> And have that repeat for each one of the images in the database. How is this done?? I am fine showing the data in a table but can't seem to get this right

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• Edit form not being instanciated

  - by 47

  I have two models like this: class OptionsAndFeatures(models.Model): options = models.TextField(blank=True, null=True) entertainment = models.TextField(blank=True, null=True) seats_trim = models.TextField(blank=True, null=True) convenience = models.TextField(blank=True, null=True) body_exterior = models.TextField(blank=True, null=True) lighting = models.TextField(blank=True, null=True) safety = models.TextField(blank=True, null=True) powertrain = models.TextField(blank=True, null=True) suspension_handling = models.TextField(blank=True, null=True) specs_dimensions = models.TextField(blank=True, null=True) offroad_capability = models.TextField(blank=True, null=True) class Vehicle(models.Model): ... options_and_features = models.ForeignKey(OptionsAndFeatures, blank=True, null=True) I have a model form for the OptionsAndFeaturesclass that I'm using in both the add and edit views. In the add view it works just fine. But the edit view renders the OptionsAndFeatures as blank. The code for the edit view is as follows: def edit_vehicle(request, stock_number=None): vehicle = get_object_or_404(Vehicle, stock_number=stock_number) if request.method == 'POST': # save info else: vehicle_form = VehicleForm(instance=vehicle) photos = PhotosFormSet(instance=vehicle) options = OptionsForm(instance=vehicle) #render_to_reponse What could be the problem here?

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• Setting an empty default value for a char-column in MySQL?

  - by user281434

  Hi In phpMyAdmin I have a char(32) column that has no default value(ie. Default: None). When I try to insert data through a SQL query, it throws out an error saying that the column "doesn't have a default value". I need it to be empty, so instead I've just set it's default value as "As defined: " and then nothing in the value field. Is this a bad idea? And is it any better than simply throwing in an empty value for the column in the SQL query? Thanks for your time.

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• Replace Emails and HREFS with enclosing HREFS in C#

  - by Nissan Fan

  I have an Email body that used to be plain text, but now I've made it HTML. The emails are generated using a number of methods and none of them are easy to convert. What I have is: Some content [email protected], some http://www.somewebsite/someurl.aspx. What I'd like to do is create a function that automatically encloses all email addresses and all URLs withing a string in HREF tags so that the HTML email reads properly in all email clients. Does anyone have a function for this?

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• Css active isse:not working

  - by user297211

  How to make css active color be greeen when the hyperlink is clicked. i tried the below code but it does work Note that LeftNavBG_2 is a green image a:active.leftMenu { /* Left Menu */ font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif; font-size: 14px; color: #000; text-decoration: none; width: 144px; margin-bottom: 5px; display: block; max-width: 144px !important; vertical-align: bottom; padding-top: 5px; padding-bottom: 5px; background-image: url(../images/LeftNavBG_2.gif); }

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• Is there a way to get a reference to all the paragraphs or headings in a web page in JavaScript?

  - by mattbd

  I'm writing a simple Greasemonkey script to strip out all the images, headings and paragraphs from a web page (it's because someone wants to use images of several popular websites with the images and text removed in a presentation about branding of websites). I've figured out how to do so with images by using a for loop and the document.images array like this: var i = 0; var imglngth = document.images.length; for(i=0;i<imglngth;i++) { document.images[i].style.display="none"; } However, I don't believe there's an object representing paragraphs or headers. Any suggestions as to how I could implement this?

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• Optimal search queries

  - by Macros

  Following on from my last question http://stackoverflow.com/questions/2788082/sql-server-query-performance, and discovering that my method of allowing optional parameters in a search query is sub optimal, does anyone have guidelines on how to approach this? For example, say I have an application table, a customer table and a contact details table, and I want to create an SP which allows searching on some, none or all of surname, homephone, mobile and app ID, I may use something like the following: select * from application a inner join customer c on a.customerid = a.id left join contact hp on (c.id = hp.customerid and hp.contacttype = 'homephone') left join contact mob on (c.id = mob.customerid and mob.contacttype = 'mobile') where (a.ID = @ID or @ID is null) and (c.Surname = @Surname or @Surname is null) and (HP.phonenumber = @Homphone or @Homephone is null) and (MOB.phonenumber = @Mobile or @Mobile is null) The schema used above isn't real, and I wouldn't be using select * in a real world scenario, it is the construction of the where clause I am interested in. Is there a better approach, either dynamic sql or an alternative which can achieve the same result, without the need for many nested conditionals. Some SPs may have 10 - 15 criteria used in this way

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• Unable to capture the id of div clicked

  - by user3674364

  This is my jsfiddle http://jsfiddle.net/6TUtw/4/ How can i register for the event div click , so that i can get the name i have tried with different things , but none of them worked . $('#tabs div').click(function() { var elem = $(this); alert(elem); }); $('#tabs').on('click', 'div.click', function () { var elem = $(this); alert(elem); }); $("#tabs").click(function(){ var elem = $(this); alert(elem); });

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• Delphi Volume control by keyboard

  - by user568160

  Hi All, I recently had to replace a keyboard and this one ( GE 98552 ) does not have programmable buttons along the top and I miss the up/down volume buttons. it has 9 special buttons but none for volume and this model is not programmable. DUH! I am a long-time Delphi programmer but never messed with the multimedia stuff. Can anyone suggest some code to assign to say the "+" and "-" keys on the numeric pad that will change the volume up and down? I never use those two buttons so I would not be giving up functionality. Thanks Frank

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• How to change a particular element of a C++ STL vector

  - by cambr

  vector<int> l; for(int i=1;i<=10;i++){ l.push_back(i); } Now, for example, how do I change the 5th element of the vector to -1? I tried l.assign(4, -1); It is not behaving as expected. None of the other vector methods seem to fit. I have used vector as I need random access functionality in my code (using l.at(i)).

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