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• Use Google AppEngine datastore outside of AppEngine project

  - by Holtwick

  For my little framework Pyxer I would like to to be able to use the Google AppEngine datastores also outside of AppEngine projects, because I'm now used to this ORM pattern and for little quick hacks this is nice. I can not use Google AppEngine for all of my projects because of its's limitations in file size and number of files. A great alternative would also be, if there was a project that provides an ORM with the same naming as the AppEngine datastore. I also like the GQL approach very much, since this is a nice combination of ORM and SQL patterns. Any ideas where or how I might find such a solution? Thanks.

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• Painting to Form then to Printer

  - by jp2code

  I often find myself needing to create custom reports that do NOT work with Crystal Reports or Report Viewer. Often, I hack a DataTable together and dumping that into a DataGridView control. It is never pretty, and printing is difficult. What I need is a class that I can call using the OnPaint event, but I've never sat down and written all of the Pen and Brush commands until now. Painting to the screen and painting to a printer both use the Graphics object, so I want to build a class that I'd pass in the Graphics object, my window bounds (a Rectangle), and some data (in the form of an instance of my class) that I'd use to paint a form or a sheet of paper. That sounds like a great concept! Surely, someone has done something like this before. Does anyone know of a book, a website tutorial, or video that goes into this? If someone wants to write all that out for me here, more power to you - but I'd think that would be too much work.

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• matlab noninteger step indexing

  - by rlbond

  So, I have a vector: k = 1:100; And I want to take 19 elements from it, which are roughly equally-spaced. So I write this: m = k(1:(99/18):end); This works great, except for a tiny problem: Warning: Integer operands are required for colon operator when used as index m = 1 7 12 18 23 29 34 40 45 51 56 62 67 73 78 84 89 95 100 Now, I understand why this comes up, but I'd like to get rid of that warning. Is there a "right" way to do this without a warning?

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• XSL: Dead or not dead

  - by Seattle Leonard

  I'm currently taking on a new project at home. In this project I'm going to be generating HTML emails. For this purpose, I believe XSL to be a good candidate. However, I have heard people say that XSL is a dead language, and if it's not that it is on it's way out. In fact, MS has been very leary to support XSL 2.0. Personally I feel that any time you are going from text to text, it is a great tool. Such as: Generating HTML e-mails Creating Open Office Docs Generating another XML doc What are your thoughts? Is it dead, or is it still a viable, usefull tool?

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• Problem sending php variables to flash game, on facebook

  - by FlashWars

  When I run the app for the first time in a session it works great i get all data form Database(if i logout, and enter with a diffrent account)the swf does not receive the variables. If i run manually the script typing the url address in the browser (typing: http://myserver.com/app/variables.php), and refresh the facebook app, it receives the data perfectly.How can i fix this?I used the URLVariables, URLRequest and flashvars but still with no succes.I asked for help on many forums but without succes, apparently there are many in my situation.Could this porblem be due the fact tha facebook does not allow flash to talk outside? Any help would be highly apreciated!Thanks!!

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• How do I get selected background color from SecondView to pass to FirstView?

  - by rob

  I am going insane! This is a simple app with two Views. FirstView is a text field with info button to flip to SecondView. In SecondView I have 6 buttons for background color choice. When button is pushed the color of background changes perfectly but cannot make it also change background color for FirstView. Any help would be GREAT! Thanks! I am using Objective C class working on a iPhone app. Sorry new at this. The SecondView acts almost like a settings page in the fact that when a button is pushed the background color changes to the button color. I need it so when I push the "back" button to go back to FirstView the background color has also changed to that color choice. Been thru sooooooooo many tutorials and codes that now I am totally lost......... Thanks again!

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• Rails best practice on conditional parameters in a controller action

  - by randombits

  I have a controller create action looks for one or more parameters in the following ruleset. Let's say we have two parameters, foo and bar. The rules are the following: 1) if foo doesn't exist in the parameter list, bar must. 2) if bar doesn't exist in the parameter list, foo must. 3) they can both co-exist. they can't both be omitted (that's redundant with my rules above :) ) Can anyone show an example in Rails on how this is handled in the controller? Should I use a before_filter? Would appreciate some guidance as this isn't something that ActiveRecord validates.. so I'd need to build an error message to the user directly from controller logic, not model logic. For bonus points, I output the error in XML, so if you can show how that's done, that'd be great. Hypothetically let's call the resource "Lorem", so it is created via http://foo/lorem.xml and we have lorem_controller.rb.

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• VS2010 Publish Profiles -- Where are they stored?

  - by Jeff S

  We have set up a few Publish Profiles that are used to deploy web apps to various servers, and it all works great with 1-click deployment. However, w find that even though the entire solution is under source control (svn), the profiles do not seem to be carried over, so we need to re-create the profiles on each developer's machine manually. It seems, since the profiles only exist for the solution currently loaded, that they must be stored in the solution files somewhere, but they do not carry over when someone else does an update to pull down the code. I'm guessing whatever file they're in is one we aren' covering in the source control project, but I haven't been able to figure out which one. Someone must know where the Publish Profiles are stored -- is there any way to copy them from machine to machine so we don't have to retype them for each developer?

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• Get the AVG of two SQL Access Queries

  - by reggiereg

  Hi, I'm trying to get the AVERAGE from the results of two separate sql queries built in MS Access. The first sql query pulls the largest record: SELECT DISTINCTROW Sheet1.Tx_Date, Sheet1.LName, Sheet1.Patient_Name, Sheet1.MRN, Max(Sheet1.) AS [Max Of FEV1_ACT], Max(Sheet1.FEF_25_75_ACT) AS [Max Of FEF_25_75_ACT] FROM Sheet1 GROUP BY Sheet1.Tx_Date, Sheet1.LName, Sheet1.Patient_Name, Sheet1.MRN; The second sql query pulls the second largest record: SELECT Sheet1.MRN, Sheet1.Patient_Name, Sheet1.Lname, Max(Sheet1.FEV1_ACT) AS 2ndLrgOfFEV1_ACT, Max(Sheet1.FEF_25_75_ACT) AS 2ndLrgOfFEF_25_75_ACT FROM Sheet1 WHERE (((Sheet1.FEV1_ACT)<(SELECT MAX( FEV1_ACT ) FROM Sheet1 ))) GROUP BY Sheet1.MRN, Sheet1.Patient_Name, Sheet1.Lname; These two queries work great, I just need some help on pulling the AVERAGE of the results of these two queries into one. Thanks.

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• Paypal IPN Confirmation Screen immediately after redirect without reload

  - by Email

  Hi I made a script for IPN which works great but how can i immediately notify the user? I mean paypal redirects the customer to a custom-page i can define, simultanously my ipn.php checked the status, BUT how can i immediately tell the customer on this custom-page that it was successful or not. this custom-page does somehow has to know that this is the customer-xyz which made the ipn-verified!!! payment xyz, but how? i think also this custom-page redirect should wait the 5 seconds because php does only process files/request on-loads... so after 5 seconds the ipnscript surely did complete. Sorry if this question is too newby but i dont know how to notify the customer about the (ipn-verified!!!) payment-status immediately. How do you do this? Thanks so much

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• Regex: absolute url to relative url (C#)

  - by splatto

  I need a regex to run against strings like the one below that will convert absolute paths to relative paths under certain conditions. <p>This website is <strong>really great</strong> and people love it <img alt="" src="http://localhost:1379/Content/js/fckeditor/editor/images/smiley/msn/teeth_smile.gif" /></p> Rules: - If the url contains "/Content/" I would like to get the relative path - If the url does not contain "/Content/", it is an external file, and the absolute path should remain Regex unfortunatley is not my forte, and this is too advanced for me at this point. If anyone can offer some tips I'd appreciate it. Thanks in advance.

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• How to write "good" user interface texts?

  - by Roddy

  Many applications are let down by the quality of the 'writing' in their user interfaces: typically, poor spelling, grammar, inconsistent tone, and worse yet, "humour" are the usual offenders. Are there good resources that can help developers to write UI messages that give a professional and positive impression to your customers, even when your code's going to hell in a handcart? Thanks, all — Some great resources here, so I will CW this question. I'm accepting Adam Sill's answer because it's the one that (as a developer of desktop apps) I found most pertinent.

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• How do people handle working with Code Names for their projects?

  - by Mark

  Hi All, Recently we started using some code names for several different types of prototype applications all following a theme. This made things a little more fun and was a great idea. The problem is that Im not too sure how people deal with migrating a codebase from "codename" state into version 1.0 state which may have a proper name... not something that a client really shouldnt see :) We are using Visual Studio at the moment, and I can see that you can change the assembly name, but there are references to the namespaces, etc... that would really be a large change to make. Do people both changing things like namespaces before the v1.0 release?

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• Mercurial How To Merge 2 Repositories that share a common ancestor but are not clones of the same re

  - by sylvanaar

  I am using hg-subversion, and I have 2 different hg repositories one from our svn trunk, and one from a branch of the trunk. I would like to link them somehow. At some point in the history both Hg repositories will be identical is there some way to join them? In other words is there a way to relate the repositories from within Hg? The technique I am currently using is to just export the second repository over top of the working copy of the revision they share, and then commit that working copy as a branch in Hg, but I lose the history this way. Any advice would be great

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• Are bit operations quick?

  - by flashnik

  I'm dealing with a problem which needs to work with a lot of data. Currently its' values are represented as unsigned int. I know that real values do not exceed some limit, say 1000. That means that I can use unsigned short to store it. One profit is that it'll use less space. Do I have to pay for it by loosing in performance? Another assumption. I decided to store data as short but all calling functions use int, so I need to convert between these datatypes when storing/extracting values. Wiil the performance lost be dramatic? Third assumption. Due to great wish to econom memory I decided to use not short but just 10 bits packed into array of unsigned int. What will happen in this case comparing with previous ones?

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• IIS Virtual Directory/Application & Forms authentication

  - by user216194

  I've setup and deployed a simple forms authentication website with membership using .NET 4. I've created a virtual directory (now converted to "Application") in IIS7 and setup the web.config file in the virtual directory as follows: <system.webServer> <directoryBrowse enabled="true" /> </system.webServer> Great! I browse to the virtual directory: ../mydomain/books/ and I'm automatically redirected to the login page specified by web.config in my root directory and the url path is placed as follows: ../Account/Login.aspx?ReturnUrl=%2fbooks At this point, I login succesfully, but I am not redirected anywhere, and when I manually return to the directory, ../books, I'm sent back to the login page, where I'm already logged in? So I'm confused about what my problem is! I should be successfully authenticated, and than redirected back to the directory, or at the very least be able to view it manually after I log in right?

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• Send Confirmation Email with Google Forms / Spreadsheets

  - by bozdoz

  I know that Google Spreadsheets includes a mass mailout option with its MailApp.sendEmail function, but, as far as I know, it can only run once a form is opened, or by manually clicking "run". I have a Google form which includes an area for someone to put their email address. Is there a simple solution to send this data to its Google Spreadsheet and send it as a confirmation to the specified email address? It would be great if I could somehow incorporate MailApp.sendEmail into the form, instead of into the spreadsheet (which would be after the fact and manual, instead of instant and automatic). Also, note that I will be posting with jQuery. Any ideas?

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• Why will show() only work for fields that are hidden using inline css?

  - by Chris

  I am hiding an element using inline css, like so: <span class="hidden-nojs" style="display:none">Some text</span> Next I use jQuery to show the element, like so: $(".hidden-nojs").show(); This works great. As soon as I remove the inline css and put display:none on the external css stylesheet for the hidden-nojs class, it stops working. This is what I wrote in the external stylesheet: .hidden-nojs { display: none; } I'm assuming that the external stylesheet loads after the jQuery has already run? This is somewhat annoying as I would like to hide multiple elements with css and would like to avoid using inline css. Why will show() only work for fields that are hidden using inline css? How can I fix this problem?

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• regex jquery remove all double spaces

  - by michael

  Hi I have this code, I want it to remove all the double spaces from a text area, but it will only remove the first occurrence each time. $(document).ready(function(){ $("#article").blur(function(){ ///alert($(this).val()); $(this).val($(this).val().replace(/\s\s+/, ' ')); }); }); I've also tried removeAll(), but it won't work at all. any help would be great, thanks. I have a live example online at http://jsbin.com/ogasu/2/edit

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• PyDev and Django: how to restart dev server?

  - by Rosarch

  I'm new to Django. I think I'm making a simple mistake. I launched the dev server with Pydev: RClick on project Django Custom command runserver The server came up, and everything was great. But now I'm trying to stop it, and can't figure out how. I stopped the process in the PyDev console, and closed Eclipse, but web pages are still being served from http://127.0.0.1:8000. I launched and quit the server from the command line normally: python manage.py runserver But the server is still up. What am I doing wrong here?

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• Using iterateFunc to call objective c method

  - by Matt Welch

  Using spacemanager, I need to perform an action on select bodies after each step, so I figured that defining my own C function for iterateFunc would be the way to go. Everything works great, except I'm not sure how to then call an obj c method in the same class. In other words, an obj c class contains both the c function replacing iterateFunc, and the method that needs to be called. I don't see how to tell the c function what 'self' is, such that I can call the method. As far as i can tell, there's no way to pass in any extra info to the new iterateFunc. Any ideas, or a better way to go about things?

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• How can I use offline access with the Facebook javascript SDK?

  - by Tony

  In the Facebook javascript api there is a login function in which you specify extended permissions: http://developers.facebook.com/docs/reference/javascript/FB.login One of these permissions is offline access. So I can save the facebook user's session key and assume it will not expire for a long time. The question I have is simple - how do I use the session key? I understand that the session key will last longer, but I don't understand how to use it in the Facebook API. For one of my products, a user must restart his/her browser and I would like to recognize them when they restart. The problem is that they are logged out of facebook, so they must login on my site again where I would rather just use offline access. Sample code would be great! Thanks

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• Custom login in Django

  - by alpgs

  Django newbie here. I wrote simplified login form which takes email and password. It works great if both email and password are supplied, but if either is missing i get KeyError exception. According to django documentation this should never happen: By default, each Field class assumes the value is required, so if you pass an empty value -- either None or the empty string ("") -- then clean() will raise a ValidationError exception I tried to write my own validators for fields (clean_email and clean_password), but it doesn't work (ie I get KeyError exception). What am I doing wrong? class LoginForm(forms.Form): email = forms.EmailField(label=_(u'Your email')) password = forms.CharField(widget=forms.PasswordInput, label=_(u'Password')) def clean_email(self): data = self.cleaned_data['email'] if not data: raise forms.ValidationError(_("Please enter email")) return data def clean_password(self): data = self.cleaned_data['password'] if not data: raise forms.ValidationError(_("Please enter your password")) return data def clean(self): try: username = User.objects.get(email__iexact=self.cleaned_data['email']).username except User.DoesNotExist: raise forms.ValidationError(_("No such email registered")) password = self.cleaned_data['password'] self.user = auth.authenticate(username=username, password=password) if self.user is None or not self.user.is_active: raise forms.ValidationError(_("Email or password is incorrect")) return self.cleaned_data

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• What is more interesting or powerful: Curry/Mercury/Lambda-Prolog/your suggestion.

  - by Bubba88

  Hi! I would like to ask you about what formal system could be more interesting to implement from scratch/reverse engineer. I've looked through some existing and rather open (open in the sense of free/open-source) projects of logical/declarative programming systems. I've decided to make up something similar in my free time, or at least to catch the general idea of implementation. It would be great if some of these systems would provide most of the expressive power and conciseness of modern academic investigations in logic and it's relation with computational models. What would you recommend to study at least at the conceptual level? For example, Lambda-Prolog is interesting particularly because it allows for higher order relations, but AFAIK (I might really be mistaken :)) is based on intuitionist logic and therefore lack the excluded-middle principle; that's generally a disatvantage for me.. I would also welcome any suggestions about modern logical programming systems which are less popular but more expressive/powerful. I guess, this question will need refactoring, but thank you in advance! :)

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• Advice on simple efficient way to store web form data when no db/auth required

  - by ted776

  Hi, I have a situation where I need to provide an efficient way to process and store comments submitted via a web form. I would normally use PHP and either MySQL or XML to store the data, but this is slightly different in that this web form will only be temporarily available in a closed LAN environment, and all i need to do is process the form data and store it a format which can be accessed by another application on the LAN (Adobe Director). Each request made by the Director app should pop the stack of data. I'm wondering how best to store the data for this type of situation as it's not something I would normally do. I'm thinking possibly storing the data in an XML file, but any advice would be great!

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