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• Add persistent field to an App Engine Datastore class?

  - by Joren

  So if I have a class of which I have a number saved in a datastore, and then seek to add a field later, how can I prevent all my previous objects breaking? Is there a way to retroactively set those fields so they're not null?

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• PHP Warning when using include_once()

  - by Ajith

  When i try to include a file using include_once in php which shows warning like Warning: include_once(1) [function.include-once]: failed to open stream: No such file or directory in /var/www/test/content_box.php on line 2.Actually file is there in my directory.I am using ubuntu (OS) How can we prevent this warning.If anybody know please help me

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• Is there a way to comment out markup in an .ASPX page?

  - by MikeJ

  Is there a way to comment out markup in an .ASPX page so that it isnt delivered to the client? I have tried the standard comments but this just gets delivered as a comment and doesn't prevent the control from rendering. Any suggestions would help

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• MDI Document taskbar thumbnails with no decorations

  - by Mike Caron

  Is it possible to remove the close window decoration from an mdi document taskbar flyout window? That is, remove the red "x" to prevent the user from closing the document via the taskbar.

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• Dojo filteringselect. how do I pass the displayedValue instead of the index to my server

  - by Kalle

  The question is probably better answered by how do I get value == displayedValue. Or how do I prevent value to be Index based and instead use the textstring I provide from my store. My Json has this structure: {"items":[{"zipcity":"Stocka"},{"zipcity":"Stockamöllan"},{"zipcity":"Stockaryd"}]} Does it need to change?

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• How can I bring an activity to the front from a background service

  - by Erwan Pinault

  Hi, First of all, I am aware my issue is against the philosophy of Android, but I have no choice, this application will run on a embedded car gps and I need to bring an activity to prevent from car accident, for example, when it's happen around the user. I have to put other activity on the back and bring my alert pop up without user manipulation like notification on the front. Is there a way to bring manually an activity to the front, by resuming it like when you click on the android task switcher?

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• Nginx: check content-length before file upload takes place

  - by robw

  I'm trying to prevent users from uploading (accidentally or maliciously) very large files to my website. I have nginx max_client_body_size set to 4M, but if a file larger than this is uploaded, then it uploads the entire file before returning 413 (entity too large). I want to make nginx check the Content-Length header, so that it rejects the request before it's uploaded. Alternatively, a Rails solution would also be acceptable. Any help appreciated.

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• Are IIS services closed after some time?

  - by mafutrct

  I'd like to host a WCF web service in IIS. The service should keep a certain set of data all the time, it must never be lost. My colleague told me this is impossible because IIS closes down the service after a certain time (I assume without any activity). Is that true? How do I prevent that behavior? In case it matters, both IIS 6 and 7 are available.

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• autorotating some views but not others

  - by Mike

  Is there any way to prevent some views from auto rotating and allow other views to auto rotate even if some of these views are subviews of others?

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• R: preventing unlist to drop NULL values

  - by nico

  I'm running into a strange problem. I have a vector of lists and I use unlist on them. Some of the elements in the vectors are NULL and unlist seems to be dropping them. How can I prevent this? Here's a simple (non) working example showing this unwanted feature of unlist a = c(list("p1"=2, "p2"=5), list("p1"=3, "p2"=4), list("p1"=NULL, "p2"=NULL), list("p1"=4, "p2"=5)) unlist(a) p1 p2 p1 p2 p1 p2 2 5 3 4 4 5

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• CSS border radius - child overlapping parent element

  - by herrherr

  Hey there, I have the following markup: http://www.webdevout.net/test?011 As you can see, the "li" element is overlapping the rounded borders defined for the box. Is there a way to prevent this apart from applying the corner directly to the last "li"? Thanks

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• Is it possible to alter a php file using XPath?

  - by chiggsy

  I"m unsure about this. Would having PHP ( or I guess any template language like Django's or Mako or whatever ) inside an html file prevent me from making changes to it with XPath? I'm very new to XPath. I would think that you could not, but as I said, I'm unsure.

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• Markdown implementation in PHP parses text within <a> tags — how does one disable this behavior?

  - by Kyle

  I'm using the Markdown library for PHP by Michel Fortin. I started noticing that it formats the text in tags with markdown rules, like so: http://foo.com/My_Url_With_Underscores essentially becomes: <a href="...">http://foo.com/My<em>Url</em>With_Underscores</a> How do I disable that behavior or otherwise prevent the library from doing that?

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• flex grid scrollbar pushing all columns to the left

  - by jon

  I have a flex grid where I have the verticalScrollPolicy="auto".But every time when the scrollbar appears all the columns get pushed to the left, making the columns not align as they should. I tried setting minWidth on all the columns to prevent this, but that doesn't seem to work. Any ideas?

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• facebook photo album grouping photos in news feed

  - by John Klingelhoets

  We have a social media "platform" - when we schedule photos to be published to Facebook, if a user schedules photos - they all go into the same album, as they schedule photos throughout the day - the photos become grouped and do not appear as a large photo - but rather a bunch of photos in a album. Is there any way to prevent photos from being grouped in the new feed and it just showing the newest uploaded photo in stream? I do not see an option.

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• change process windows style

  - by Suriyan Suresh

  I start IE as a process and then i would like to change the following properties of a process. remove title bar, toolbar of a process (if IE) set top,left location and size through c# prevent process from minimizing , i have used the following code but had no luck(find the handle of the process and then pass it to below function) public void SetFormOnDesktop(int hwnd) { int hwndf = hwnd; IntPtr hwndParent = FindWindow("ProgMan", null); SetParent(hwndf, hwndParent); }

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• Webdevelopement : Login Specification

  - by mr.bio

  Hi there , i just started with PHP and i wanted to implement a Login. Rather than inventing the Wheel : is there any Online Specification for a Login System ? Things a should care about : detect Brute Force attacks implement password recovery maybe openID and/or with facebook account prevent SQL injection ..... So i think this has been done more than 1000 times. Where can i read about it ?

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• Ubuntu crashed, Eclipse lost .metadata, Java Perspective gone, missing, lost

  - by Stewart

  I am running Eclipse Galileo on Ubuntu 10.04 LTS. Ubuntu crashed on me today, and after rebooting, I found that Eclipse has completely lost the Java Perspective (it's like the perspective and all associated views never existed) and the .metadata dir in my workspace is empty except for version.ini. What's up with that? Why did it happen? How can I prevent it? How can I recover from it?

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• wxAuiNotebook - preventing certain tabs from closing

  - by Roy Tang

  I'm experimenting with wx.aui.AuiNotebook; is there a way I can prevent particular tabs from being closed? i.e. I have an app that allows the user to create multiple tabs in an AuiNotebook, but the first 2 tabs are system managed and I don't want them to be closed. Also, in a close event, can I get the window object attached to the tab being closed? (to extract data from it)

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• php mysql search

  - by mckenzie

  Hello, My code contain SELECT * FROM newchap WHERE company LIKE '%$company%' OR Category LIKE '%$cat%' It works perfectly however, when the field $company contain empty, it return all result in MYSQL. How to prevent it?

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• Can someone give me some basic XSS and sql injection scripts? (not what it seems)

  - by ggfan

  I am testing out my scripts to see if they will prevent xss and sql injections. Can someone provide me with some basic but good scripts that would "hack" into my programs. I want to test my scripts before it goes online.

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• Object of an abstract class

  - by webgenius

  Why is it not possible to create an object of an abstract class? I understand that the compiler creates a VTABLE with VPTR pointing to NULL. Does this prevent from creating an object of an abstract class?

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• virus attack to the website and it is not showing anything

  - by Nidhin Baby

  Hello, I have a web application which is developed in cakePHP, but from last few week, a virus is affected to the site and its not showing any pages. even if we go to the source code, nothing is there to display. I have checked the index.php, there is no extra entry. Can some help me to find out the solution. and, how can i prevent these virus attacks? Thanks in advance

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• JavaScript - Detect HTML

  - by user208662

  Hello, I have an HTML textarea element. I want to prevent a user from entering any HTML tags in this area. How do I detect if a user has entered any HTML a textarea with JavaScript? Thank you

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• Log to Firefox Error Console from JavaScript

  - by Torsten Marek

  Is it possible to add messages to the built-in error console of Firefox from JavaScript code running in web pages? I know that I there's Firebug, which provides a console object and its own error console, but I was looking for a quick fix earlier on and couldn't find anything. I guess it might not be possible at all, to prevent malicious web pages from spamming the log?

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