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• Securing an AJAX API to prevent other sites from taking advantage of it

  - by Bloudermilk

  We're currently developing a site that uses a simple JSON API (RoR) to populate the page. The data is public to clients but key to our service and we want to make sure that our competitors aren't leeching our data. What methods do you use to verify that AJAX requests to an API are legitimate?

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• How to hook to a keystroke under Windows Vista?

  - by Dave

  Hi. I'm working on a program idea which needs to respond when a particular Function key is pressed on the keyboard(like F10). (A) is that possible? (B) what language should i use (i'll be getting the development outsourced, so its not a problem) (c) any sample code which shows how it works?

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• C# reads wrong registry data on 64-bit OS

  - by baal80

  I'm working on a 64-bit Windows and my applicaiton runs with elevated privileges. I have a problem with the following very simple piece of code: myKey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run"); if (myKey != null) { string[] HKLMvaluenames = myKey.GetValueNames(); } But for some reason HKLMvaluenames array is populated with values from the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run Is there a way around this problem?

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• Why does searching an index have logarithmic complexity?

  - by Lieven Cardoen

  Is an index not similar to a dictionary? If you have the key, you can immediately access it? Apparently indexes are sometimes stored as B-Trees... why is that?

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• InnoDB - Two foreign keys on the same column from one table

  - by makeflo

  Hey Guys, i have a project table which has a image_id field and a newsimage_id field. Both are linked to the image table. But InnoDB doesn't allow me to set a foreign key for both fields to the same column (id). Is there a way I can do this or is it not possible? I'm using MySQL through MAMP. Thanks in advance!!

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• Foreign keys - temporarily bypass?

  - by Industrial

  Hi, I have just started to learn about the pros of foreign keys in database design (mySQL / innoDB) and I wonder if there's any way to temporarily bypass the foreign key when doing a specific delete query, to just delete in the parent table, and not from the linked child tables. Thanks

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• Wait set time for user input C# console app

  - by Marlon

  For a Console app, I need to know how to wait at set amount of time (about 10 seconds), for a user to input a key or set of keys, before proceeding with an 'auto run' portion of the application. This is bugging me because I can't quite figure out how the timer works, or threading.sleep, what should I use? Been googling all day.

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• Jump to the start of next statement

  - by Borek

  Say that I'm writing a test and my caret is here (indicated by "|"): [ExpectedException(typeof(InvalidOperationException|))] In Visual Studio 2010, I'd like to press some shortcut that would take me to the next line so that I could start typing "public void Etc()". Right now, I need to press Right arrow Right arrow Right arrow Enter Which is too many key presses IMO. Is there a VS2010 / ReSharper shortcut to aid this operation?

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• C++ hash table w/o using STL

  - by Bobby

  I need to create a hash table that has a key as a string, and value as an int. I cannot use STL containers on my target. Is there a suitable hash table class for this purpose?

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• ASP.NET MVC - Adding querystring "length=" to ActionLinks?

  - by ScottG

  I have a few ActionLinks that when rendered are getting a length key/value added that appears to indicate the number of characters of the controller name. How can this be removed?

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• Retrieve all records in a table with nHibernate

  - by brainimus

  I need to retrieve all the records in a table with nHibernate. If I had the key for all the records in the table I could loop and use nHibernate's Get method (this seems inefficient though) but I don't have the keys. I could also use FindAll but this requires criteria or a stored procedure. How can I get all the records from the table?

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• How to extract List<int> from Dictionary<int, string>?

  - by DaveDev

  I have a method that takes a List<int>, which is a list of IDs. The source of my data is a Dictionary<int, string> where the integers are what I want a list of. Is there a better way to get this than the following code? var list = new List<int>(); foreach (var kvp in myDictionary) { list.Add(pair.Key); } ExecuteMyMethod(list);

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• 2D Game Character Animation in iPhone - How is it done?

  - by Shnitzel

  What I mean is, do animators work on an animation in say Flash (or some other kind of key frame animation program) and then export it to the iphone somehow? For example, say I am an animator and I want to create a person waving for an iphone game. What type of external program would I use and then what libraries on the iphone sdk would I use to load them in?

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• How can I get the expire time for the particular item in memcached

  - by maguschen

  In runtime, I want to retrieve the expire time info about some items in memcached. I didn't find any related interface on memcached. Can I do this? something like: mc.get_expire_time('key') Thank you

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• How do I change the default image name for the splash/launch image in an iPhone app

  - by Gazzer

  I tried adding a Launch image key to myappname-info.plist with the value Test and a Test.png in the Resources folder but it doesn't seem to work.

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• Will there be any conflict with other applications when my application saves data in [NSUserDefaults

  - by bobo

  After reading this thread: http://stackoverflow.com/questions/2792932/nsuserdefaults-not-present-on-first-run-on-simulator I know it's quite easy to store some app data in the [NSUserDefaults standardUserDefaults]. But if other applications also happen to use the same key to store their data, is this possible that my app data gets overwritten? Many thanks to you all.

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• How to see .class content in Eclipse?

  - by mac

  Sometimes, in Eclipse , i press a combination of keys which take me to the editor page that shows contents of my .class file. I never seem to be able to remember what that key combination is. Can someone please let me know?

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• getting emacs to move cursor by words on a Mac

  - by hatorade

  It's supposed to be M + cursor, but any shortcut in emacs using M (escape) on my mac sucks, because every time i need to use it, i need to release M (the escape key) and then press it again. Is there a better shortcut for moving along words in emacs (kind of like ctr + arrow in windows?)

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• How do I sort a Perl hash that has tons of data?

  - by syker

  I am sorting a hash in Perl. I encountered an Out of memory error when running my Perl Script: foreach $key (sort (keys(%hash))) { .... } How do I sort a hash that has tons of data?

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• How to implement XXTEA in MySQL?

  - by user339229

  Anyone knows how to implement XXTEA in MySQL? For example - SELECT xxtea_encrypt('text here', 'key here'); possible implementation is by creating a FUNCTION in MySQL using CREATE FUNCTION statement, e.g. CREATE FUNCTION xxtea_encrypt XXTEA Procedures here... RETURN encrypted string Thanks & Best regards

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• NSUserDefaults and show a picture

  - by Momeks

  Hi , iam using setting.bundle and i try to show a hidden picture with Switch toggle , here is my code but i miss something : NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [//Some code show the hidden pic]; myPic.hidden = NO; my key is .e.g = wood_back should i use ObjectForKey ?

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• How to do a back-reference on Google AppEngine?

  - by jCuga

  I'm trying to access an object that is linked to by a db.ReferenceProperty in Google app engine. Here's the model's code: class InquiryQuestion(db.Model): inquiry_ref = db.ReferenceProperty(reference_class=GiftInquiry, required=True, collection_name="inquiry_ref") And I am trying to access it in the following way: linkedObject = question.inquiry_ref and then linkedKey = linkedObject.key but it's not working. Can anyone please help?

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• How to use local variables in stored procedures?

  - by ram

  if I want to select any id from a table and want to insert it's value in another table as foreign key then how i will do it through stored procedure?

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• question on NSUserDefault Class

  - by user174761

  I have value in 1 string for particular key. but NSUserDefault class method doesn't work properly and it doesn't set object of a string forkey . in short setobject forkey method is not working of NSUserDefault class. why is it so?

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• How do Perl FIRSTKEY and NEXTKEY work

  - by mmccoo

  Tie::Hash has these: sub FIRSTKEY { my $a = scalar keys %{$_[0]}; each %{$_[0]} } sub NEXTKEY { each %{$_[0]} } NEXTKEY takes two arguments, one of which is the last key but that arg is never referenced? The various Tie docs don't shed any light on this other than this in perltie: my $a = keys %{$self->{LIST}}; # reset each() iterator looking at the doc for each doesn't add to this. What's going on?

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