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• Why UTF-32 instead of UTF-16 if we have surrogate pairs?

  - by zildjohn01

  If I understand correctly, UTF-32 can handle every character in the universe. So can UTF-16, through the use of surrogate pairs. So is there any good reason to use UTF-32 instead of UTF-16?

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• how to print chinese word in my code.. using python

  - by zjm1126

  this is my code: print '??'.decode('gb2312').encode('utf-8') and it print : SyntaxError: Non-ASCII character '\xe5' in file D:\zjm_code\a.py on line 2, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details how to print '??' thanks

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• Get records which not starts with alphabet in linq

  - by Prasad

  I need to get the list of records that does not starts with alphabets. i.e. Which starts with numeric and any special character. I am using asp.net mvc (C#) for my application. Whats the simple linq query to get this list?

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• Regular Expression in PHP

  - by Patrick Gates

  I need a regular in expression in PHP that I can plug into preg_match_all and find if an @ sign and any character number or letter follows right after that. So if I put "@patrick hello there" it will come up true, if I put in "I saw her @ the mall" it will be false. Thank you :)

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• Parsing numbers at PreviewTextInput

  - by Nitin Chaudhari

  I have a WPF application in which I have a hook at PreviewTextInput, through that I get the currently entered character and I have the string already entered. Given this I need to write the following function : bool ShouldAccept(char newChar,string existingText) existingText can be comma seperated valid numbers(including exponential) and it should just return false when invalid characters are pressed. My code(if else based) currently has a lot of flaws, I wanted to know if there is any smart way to do it.

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• what do I tweak to manipulate the gaps between bullets/numbers and list items?

  - by Andrew Heath

  Simple question - what part of my CSS do I tweak to adjust the gap between a bullet/number and the first text character in an HTML list? Bonus question - I've seen it mentioned here that controlling table spacing by adjust padding on table tr td {} is bad practice, but I haven't seen someone explain how you're really supposed to do it...?

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• How to make the 1st line in certain amount of text in a Label bold?

  - by wolverine

  I have about 400 character length string with a heading called Details. In this 'Details' is to be bold and of fontsize 19. While all the remaining text starts in the next line and should be of fontSize 18 like the contents. How can I do all this by using a UILabel? Plz help me...

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• Change string in SQL Server to abbreviate

  - by jeff

  How do I return the everything in a string from a sql query before a certain character? My data looks like this: HD TV HM45VM - HDTV widescreen television set with 45" lcd I want to limit or truncate the string to include everything before the dash. So the final result would be "HD TV HM45VM"

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• Hero Class, php classes

  - by John

  I am going to have different classes for a character that a user play. Like "Mage, Warrior" etc. I am thinking of a method like have some CharacterBase class (abstract?) and then I have a child class which is like WarriorClass or something like that. I think the approach is called Factory pattern or something like that. Anyone got a clue of what I'm trying to achieve here, and are there perhaps any better way to do this?

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• How to call DOS Interrupts within a C/C++ program using Inline Assembly ?

  - by rockr90

  Hi, everyone ! I need to call some DOS interrupts (Services) from a C/C++ program, I tried the following inline asm code: (Read a character) int main() { asm( "movb $0x01, %ah;" "int $0x21" ); system("PAUSE"); } But it did not work ! I would like to know what have i done wrong here ! Also if there is another way to call dos interrupts ! Thank You !

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• How can I display a list of characters that fail to match a regular expression?

  - by Matt

  For example, if I'm doing some form input validation and I'm using the following code for the name field. preg_match("/^[a-zA-Z .-]$/", $firstname); If someone types in Mr. (Awkward) Double-Barrelled I want to be able to display a message saying Invalid character(s): (, )

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• DB2 timestamp PHP DateTime

  - by Dolfa

  After upgrade to PHP 5.3 my application is returning DB2 columns with Timestamp type as "2010-12-15-10.23.22.716000". This is causing problem for PHP DateTime function, as it fails with Failed to parse time string (2010-12-15-10.23.22.716000) at position 25 (0): Unexpected character It seems its having a problem with too much accuracy in DB2 timestamp. Can I somehow force connection to change timestamp format with it is fetching data into?

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• postgresql insert value in table in serial value

  - by Jesse Siu

  my database using postgresql. the table pk is uing serial value.if i want to insert a record in table, do i need type pk or it will automatic contain id. Can you give me a example about how to insert a record in dataset CREATE TABLE dataset ( id serial NOT NULL, age integer NOT NULL, name character varying(32) NOT NULL, description text NOT NULL DEFAULT ''::text CONSTRAINT dataset_pkey PRIMARY KEY (id ) )

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• Reading the text file line by line and push to an array in AS3

  - by vineth

  Hi, I need code is as3 to reading a text file line by line and insert in to an array using AS3. is it possible to do it with out having any special character. sample.txt Car van scooter bike I need to read the file and insert in to array like...Array[0]=car,Array[1]=car..... Thanks In advance

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• [PHP] Read and write to a file while keeping lock

  - by Znarkus

  Hi! I am making a simple page load counter by storing the current count in a file. This is how I want to do this: Lock the file Read the current count Increment it Write new count Unlock file/close it Can this be done? As I understand it, the file can't be written to without losing the lock. The only way I have come up with to tackle this, is to write a character using "r+" mode, and then counting characters.

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• How to move the textbox caret to the right.

  - by monkey_boys

  I would like to change all the characters entered into a textbox to upper case. The code will add the character, but how do I move the caret to the right? private void textBox3_KeyPress(object sender, KeyPressEventArgs e) { textBox3.Text += e.KeyChar.ToString().ToUpper(); e.Handled = true; }

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• can any one help me using C#

  - by sama

  i have a form that has a textbox and label i want to get the time of the first character entered in the textbox then if user enter more than ten charcters then the time between the first charcter enterd and the tenth charcter entered and dispay it in tle label can any one help me please using c#

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• How Do I grep For non-ASCII Characters in UNIX

  - by Peter Conrey

  I have several very large XML files and I'm trying to find the lines that contain non-ASCII characters. I've tried the following: grep -e "[\x{00FF}-\x{FFFF}]" file.xml But this returns every line in the file, regardless of whether the line contains a character in the range specified. Do I have the syntax wrong or am I doing something else wrong? I've also tried: egrep "[\x{00FF}-\x{FFFF}]" file.xml (with both single and double quotes surrounding the pattern).

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• Validate HTML entities in JavaScript

  - by Eduard Luca

  I have a small JavaScript validation script that validates inputs based on Regex. I want to allow certain characters that are not exactly common (not sure if they're UTF8). For example I want to allow the following character ’, which looks like a single quote, but isn't. I got the HTML code for this which is &#8217;, but I'm not sure how to put this into the Regex. I've tried just inputting [&#8217]* but it doesn't validate.

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• How to compress/decompress a long query string in PHP?

  - by jodeci

  I doubt if this is encryption but I can't find a better phrase. I need to pass a long query string like this: http://test.com/test.php?key=[some_very_loooooooooooooooooooooooong_query_string] The query string contains NO sensitive information so I'm not really concerned about security in this case. It's just...well, too long and ugly. Is there a library function that can let me encode/encrypt/compress the query string into something similar to the result of a md5() (similar as in, always a 32 character string), but decode/decrypt/decompress-able?

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• vim unicode bufread/bufwrite script

  - by anon

  Problem: I want my unicode characters to be stored on disk as (rather tan utf8/16 encoding) \u#### However, I want them dispalyed as unicode characters when opened up in vim. I think the easiest way to acheive this is some bufopen/bufwrite script that automatically: on opening, convert \u#### to unicode character on writing, convert unicode characters into \u#### However, I don't know what functions to call to make this happen. Can someone lend a hand? Thanks!

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• How to retrieve unicode data stored directly in non-unicode field as varchar format in sql server

  - by Samujjal

  I have to create a C# application which displays unicode data in a textbox. But the SQL server column storage has varchar data which contains unicode data. But since varchar is non-unicode based it displays character strings like "????????". Well the problem i am facing is i cant change the column type as there are other dependent application running on it.

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• regex breaks on \n

  - by Sourabh

  hi segmentText = <input from textarea>; testRgx = [/( \d+\.| [^\W\d_]\.|.)+?([!?.?](?= |$)|$)/g]; arrSegments = segmentText.match(testRgx); This expression fails if segmentText has \n or other white spaces in it.I want to add \n in to the list of chars that the above pattern use [!?.?] = [!?.?\n] so that the segment is separated based on the \n character

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• Mssql varchar to datetime

  - by Dezigo

  I have a field varchar(14) = 20090226115644 I need convert it to - 2009-02-26 11:56:44 (datetime format) My idea. use cast and convert.. but I allways have errors. Conversion failed when converting datetime from character string. I made this, but don`t like it.. SELECT SUBSTRING(move,1,4) + '-' + SUBSTRING(move,5,2) + '-' + SUBSTRING(move,7,2) + ' ' + SUBSTRING(move,9,2) + ':' + SUBSTRING(move,11,2) + ':'+SUBSTRING(move,13,2) as new -- FROM [Test].[dbo].[container_events] where move IS not null Result :2009-02-26 11:56:44

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• How can I enter a password using Perl and replace the characters with '*'?

  - by MatthieuF

  I have a Perl script that requires the user to enter a password. How can I echo only '*' in place of the character that the user types, as they type it? I'm using Windows XP/Vista.

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