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• How can I find the first non-repeating character in a string using Perl?

  - by kivien

  Write a function that returns the first non-repeating character in a string. Example: “Thanks for visiting" returns "h".

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• How is the angle bracket character, ">" used in CSS?

  - by Sam152

  I have seen this character a number of times in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier?

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• Regex for capturing a character between a group but ignoring the ones in a nested group.

  - by peroyomas

  This is for make something similar to "templates" in MediaWiki with PHP in order to make the parameters between nested templates work. Is possible with a regex to capture all occurrences of a character between braces but ignoring occurrences of it if it occurs in a nested group of braces? | {{ | {{ | }} | | }} | Highlighted: | {{ *|* {{ | }} *|* *|* }} |

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• Easy way to convert a string of 0's and 1's into a character? Plain C

  - by Nick

  I'm doing a steganography project where I read in bytes from a ppm file and add the least significant bit to an array. So once 8 bytes are read in, I would have 8 bits in my array, which should equal some character in a hidden message. Is there an easy way to convert an array of 0's and 1's into an ascii value? For example, the array: char bits[] = "0,1,1,1,0,1,0,0" would equal 't'. Plain C

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• How to escape special character from Rich Text Editor before store them to database?

  - by ziang

  Hi, how to escape special character from Rich Text Editor before store the text to database? I found some characters like   will be generated by the Rich Text Editor. Thanks!

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• Characters count only start counting on the 2nd character??

  - by Hwang

  I have a function that calculates how many characters remaining the user can type, but I don't know why it only starts counting from the 2nd characters. Means at the end I will able to type an extra character from the maximum amount I set. wInput.maxChars=30 wInput.addEventListener(KeyboardEvent.KEY_DOWN, calculate); private function calculate(event:Event=null):void { NameRC=wInput.maxChars-wInput.length; remainingA.text=NameRC; }

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• What kind of hashing algorithm used to generate 12 character length alphanumeric?

  - by S.Mark

  What kind of hashing algorithm used to generate 12 character length alphanumeric? for example stackoverflow use 2 keys to store cookies t=IhweorwSw6K7 s=............ (#intentionally replace with . because its a session cookies) How does that hashing algorithm looks like?

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• FlexBuilder debugger: what can the "expressions" tab be used for?

  - by David Wolever

  As the title suggests, is there any documentation on the FlexBuilder "expressions" tab, and what expressions it can accept? As far as I can tell, it can show the value of variables, but that's it: comparisons, function and method calls all fail: Edit: this is specific to FB3 — Flex Builder. Apparently FB4 — Flash Builder — is slightly less incompetent.

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• How can I delete a newline if it is the last character in a file?

  - by Todd Partridge

  I have some files that I'd like to delete the last newline if it is the last character in a file. 'od -c' shows me that the command I run does write the file with a trailing new line: 0013600 n t > \n I've tried a few tricks with sed but the best I could think of isn't doing the trick: sed -e '$s/\(.*\)\n$/\1/' abc Any ideas how to do this?

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• What is the faster way of trying to find a single character on a String?

  - by vtortola

  Hi, What of this code is faster/more efficient? : Boolean contains = myString.IndexOf("~", StringComparision.InvariantCultureIgnoreCase)!=-1; or Boolean contains = myString.IndexOf('~')!=-1; I think the second because is a single character, but using the invariant culture ignore case comparer is supposed to be fast too :P Cheers.

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• how to open xml link target="_blank" in new tab or window?

  - by Naresh

  hi all, i have a swf xml in which i have a link tag like <item id="google_link" link="http://www.google.com" target="_blank" /> even the target="_blank" is given but the link is opening in the same window, is there any other way to open the link in new window or new tab.

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• Haskell: read input character from console immediately, not after newline.

  - by Steves

  I've tried this: main = do hSetBuffering stdin NoBuffering c <- getChar but it waits until the enter is pressed, which is not what I want. I want to read the character immediately after user presses it. I am using ghc v6.12.1 on Windows 7.

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• How i disable the alpha, alpha numeric and special character in UITextField?

  - by Rajendra Bhole

  Hi, Thanks in advanced. I want to disable or also i have does not give permission entering the alpha, alpha numeric and special character in UITextField. Please give me any source code and tutorials on it.

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• Is there a way around coding in Python without the tab, indent & whitespace criteria?

  - by Donny V.

  I want to start using Python for small projects but the fact that a misplaced tab or indent can throw a compile error is really getting on my nerves. Is there some type of setting to turn this off? I'm currently using NotePad++. Is there maybe an IDE that would take care of the tabs and indenting?

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• Weirdness using jquery's .html() function to set <a></a> with a special character &#10003; (checkmar

  - by Sam

  Hey all, I'm trying to have the following tag toggle between a "-" and the checkmark character (✓) <a id='p_4' class='fancy_button orange bls_button' href='#'>-</a> And here's the jquery code: if (button.text() == '-') { button.html('&#10003'); } This works in FF3.6 and IE8, but not in WebKit (Chrome or iPhone safari). Is there something I'm doing wrong, or does webkit just not like .html("✓") Thanks, Sam

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• How is this tab built? StaticFBML or an Application?

  - by Pasta

  GetSatisfaction built an amazing Facebook tab that goes into the Facebook fan page. Is this built using StaticFBMl or is this a Facebook application? Facebook Applications usually need to be approved before they can be loaded. But this is too much work to be done within StaticFBML I guess. Edit: Here is the link http://www.facebook.com/getsatisfaction?v=app_227698805184

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• Where to put the action method for the button on the navigation bar inside a tab bar which is in the

  - by Siegfried

  Where to put the action method for the button on the navigation bar inside a tab bar which is in the MainWindow.xib? In the delegate.m??

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• How would you go about creating a favorites tab for an iphone application?

  - by user337174

  I would like to add a favorites tab to my iphone app that i am developing. I am using core data to populate a UITableView and would like in the detailed view to be able to add the selected item to the users favorites. Would i go about this by adding the selected item to a new array? I am very new to xcode and iphone programming so as much help and code would be gratefully received.

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• how can i change the background color of tabcontainer tab bar in c#?

  - by moon

  i did't find any property of a tab container to change background color of the bar that contains the tabs how can i do so?

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• Is 0x9B (155decimal) a special control character? Why is it missing from ascii tables?

  - by Chris

  Hi, I'm working on an embedded system, and i'm having dramas getting it to send a certain chunk of data across the serial port. I narrowed it down and found that if a 0x9B is present in the message, it corrupts the message. So i then look up 0x9b (155) on http://www.asciitable.com/, and it's missing! Isn't that a bizarre coincidence! Any ideas, is this a special character or something?

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• I need a Java code that takes tab delimited info from a file to a displayed table and updates the fi

  - by Rin

  I need a Java code that takes tab delimited info from a file to a displayed table. The user should be able to click a row and update it, this is followed by updating the file. The code should use Swing objects.

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• How to change the separation character of Zend Url?

  - by koko

  I use Zend URL view helper for building my urls. Everythings works exactly as I'd like to, except one thing: The character used for replacing spaces in the url is a plus (+). I'd like it to be a 'min' (-). How can I change this? Example: Now: /nl/nieuws/bericht/3/title/nieuwe*+affiches Wish: /nl/nieuws/bericht/3/title/nieuwe-*affiches Thanks in advcance!

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• How can I use python itertools.groupby() to group a list of strings by their first character?

  - by Adam Z.

  I have a list of strings similar to this list: tags = ('apples', 'apricots', 'oranges', 'pears', 'peaches') How should I go about grouping this list by the first character in each string using itertools.groupby()? How should I supply the 'key' argument required by itertools.groupby()?

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• User clicks link in email, it opens email client, how to close window/tab?

  - by Blankman

  A user clicks a link in their HTML email, it then goes to a page that simply opens up their email client. window.location.href = 'mailto:...'; I don't want this window/tab to stay open, how can I close it? window.close() doesn't work since it wasn't opened using window.open() is it possible?

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• How to Set Up Winform Textbox Field Focus so a User Can Go Through Them by Clicking Tab Button?

  - by peace

  UI is created in VS 2008. I'm using C# .... I need to let the user move/focus between text fields from top to bottom by clicking tab button. How can i do it?

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