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• how do I initialize a float to its max/min value?

  - by Faken

  How do I hard code an absolute maximum or minimum value for a float or double? I want to search out the max/min of an array by simply iterating through and catching the largest. There are also positive and negative infinity for floats, should I use those instead? If so, how do I denote that in my code?

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• MVC as used in ObjectiveC programming.

  - by eco_bach

  I'm confused somewhat by the MVC implementation as used in Objective C programming. What is described as 'Controller' in Objective C tutorials and documentation, I understand as simply a view or mediator. Which is correct?

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• How to disable html button using JavaScript?

  - by Jack Roscoe

  Hi, I've read that you can disable (make physically unclickable) a html button simply but appending 'disable' to its tag, but not as an attribute, as follows: <input type="button" name=myButton value="disable" disabled> Since this setting is not an attribute, how can I add this in dynamically via JavaScript to disable a button that was previously enabled?

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• How much time does MySQL need to build an index

  - by Christian

  How much time does MySQL need to build an index of a table with 30,000,000 entries that are strings of length 256? At the moment it seems to take hours and I don't know how long I should wait till I conclude that MySql simply failed at building an index.

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• How is "Make Object ID" implemented in the .NET debugger?

  - by Omer Raviv

  Hi, I would like know how this feature is implemented in VS - I understand it holds some sort of weak-reference to the object in the debugged-application's memory, but how exactly is it accomplished? I know simply tracking the address (as in native code) wouldn't work, because the GC might move the object about, invalidating the address. Thanks.

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• Is session destory not enough to clean the session

  - by Kamo

  When the user clicks a logout button, I connect to a script that simply does this session_destroy(); session_start(); I thought this would be enough to reset all $_SESSION variables such as $_SESSION['logged'] and $_SESSION['username'] but when I load the page again, it automatically logs me in as if the session is still active.

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• DateTime Comparison Precision

  - by mnh

  I'm doing DateTime comparison but I don't want to do comparison at second, millisecond and ticks level. What's the most elegant way? If I simply compare the DateTime, then they are seldom equal due to ticks differences.

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• Why can't GHCi resolve the kind of [[]] ?

  - by MrBones

  Why can't Haskell resolve the kind of [[]] (A list of lists)? Why isn't it simply * - *, as I can give it a type like Int, and get [[Int]], which is of kind *.

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• What is the canonical way to return a json object in asp.net webforms programming?

  - by Joe

  In ASP.Net MVC action methods can return json objects simply by returning something like so: JSon([whatever]) How do I return a JSon representation of say List<String> with webforms either through a service or through a method in the code behind of an aspx page? This seems incredibly confusing compared to ASP.Net MVC.

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• Question about ITextUndoHistory returned from TryGetHistory

  - by nick.ueda

  Everytime the IWpfTextView's TextBuffer changes I am trying to get the history's redostack and undostack and simply checking the count. When doing this I am encountering a "Method not supported exception" when trying to access the two stacks. Am I retrieving the history incorrectly or does VS not want me seeing/editing the contents of the stacks? I can post the code if necessary... Thanks, Nick

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• Must I do anything special in order to show a modal view controller?

  - by dontWatchMyProfile

  I have a UIViewController as root vc, attached to the window. Then I simply created another VC and want it to appear modally. When I add this directly to the rootViewController, it is visible. But when I call - (void)presentModalViewController:(UIViewController *)modalViewController animated:(BOOL)animated nothing happens.

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• Using explicitly numbered repetition instead of question mark, star and plus

  - by polygenelubricants

  I've seen regex patterns that use explicitly numbered repetition instead of ?, * and +, i.e.: Explicit Shorthand (something){0,1} (something)? (something){1} (something) (something){0,} (something)* (something){1,} (something)+ The questions are: Are these two forms identical? What if you add possessive/reluctant modifiers? If they are identical, which one is more idiomatic? More readable? Simply "better"?

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• Python Equivalent to phpinfo()

  - by Frank V

  Quite simply, is there a python equivalent to php's phpinfo();? If so, what is it and how do I use it (a link to a reference page would work great).

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• Python urllib2 multiple try statement on urlopen()

  - by Kura

  So, simply I want to be able to run a for across a list of URLs, if one fails then I want to continue on to try the next. I've tried using the following but sadly it throws and exception if the first URL doesn't work. servers = ('http://www.google.com', 'http://www.stackoverflow.com') for server in servers: try: u = urllib2.urlopen(server) except urllib2.URLError: continue else: break else: raise Any ideas? Thanks in advance.

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• Href link with OnClick event

  - by Aruna

  Hi, i am having a link like below where on click of that twitter , i need to open the twitter page with the message given in $markme_ddesc but instead when i click on the link , it simply moves to twitter.com without opening in a new window and with the message.. Why so? how to resolve this?? Please help me..

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• How do I get a bounding box for a 3D model in Adobe Director?

  - by Scott Stafford

  Hi - I have a 3d model imported from a .w3d file. I want to derive a bounding box for an arbitrary model or group, or any other sense of its actual extent. I can get a bounding sphere simply via the boundingSphere property, but I can't find any way to otherwise introspect the model's dimensions.

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• friendship database schema

  - by Daniel Hertz

  I'm creating a db schema that involves users that can be friends, and I was wondering what the best way to model the ability for these friends to have friendships. Should it be its own table that simply has two columns that each represent a user? Thanks!

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• How can I partial compare two strings in C?

  - by Nazgulled

  Hi, Let's say I have the following content: Lorem Ipsum is simply dummy text of the printing and typesetting industry. How do I search for dummy or dummy text in that string using C? Is there any easy way to do it or only with strong string manipulation? All I need is to search for it and return a boolean with the result.

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• I'm new to OOP/PHP. What's the practicality of visibility and extensibility in classes?

  - by marcdev

  I'm obviously brand new to these concepts. I just don't understand why you would limit access to properties or methods. It seems that you would just write the code according to intended results. Why would you create a private method instead of simply not calling that method? Is it for iterative object creation (if I'm stating that correctly), a multiple developer situation (don't mess up other people's work), or just so you don't mess up your own work accidentally?

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• How can I setup a mailing list that publishes and email to all members when logs in and presses a bu

  - by kjm

  I want to setup a site where users can register and then simply logon and press a button on a web page (that I will need to build) that then post a generic email to everyone. I want a button on the page that the user can press that will result in an email being sent to all members of the list/group I am looking at mail man. Any ideas?

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• Is it possible to add IPTC data to a JPG using python when no such data already exists?

  - by ventolin

  With the IPTCInfo module under Python (http://snippets.dzone.com/posts/show/768 for more info) it's possible to read, modify and write IPTC info to pictures. However, if a JPG doesn't already have IPTC information, the module simply raises an exception. It doesn't seem to be able to create and add this metadata information itself. What alternatives are there? I've googled for the past hour but to no avail whatsoever.

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• Good Source Control Hosting For Privacy?

  - by cam

  I'm looking for a very private source control/hosting solution. Short of hosting my own, and seeing as I'm the only collaborator, what is a good service for this? I'm using Git. The most important aspect is privacy. I don't want anyone to see my code, I'm simply using it for source control/backup. I will be the only developer.

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• Simple IF statement question

  - by JGreig

  How can I simply the below if statements? if ( isset(var1) & isset(var2) ) { if ( (var1 != something1) || (var2 != something2) ) { // ... code ... } } Seems like this could be condensed to only one IF statement but am not certain if I'd use an AND or OR

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• Use OpenBSD's malloc, realloc and free in my program

  - by bobby

  I would like to use OpenBSD's implementation of malloc, realloc and free on my Debian lenny desktop rather than glibc's. Are they simply drop in replacements: will they work on my Linux desktop ? Which are the file(s) that I need and which OpenBSD package contains them ?

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• Entity Framework 4 - Delay Loading Expensive Fields

  - by JohnnyO

  I know this same question was asked for Entity Framework 1, but now that Entity Framework 4 has come out, and Microsoft claims that it provides all of the features of Linq to Sql + more, does Entity Framework now support lazy loading expensive properties? In Linq to Sql, this is extremely easy. There's a Delay Loaded option on any property (accessible through the Designer) that can simply be toggled on or off. Is there something similar in Entity Framework? Thanks

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