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• Copying an entire table with Postgres

  - by NudeCanalTroll

  Hello, I'm trying to copy the contents of one table into another in Postgres, however it appears some rows aren't being copied correctly: ActiveRecord::StatementInvalid: PGError: ERROR: column "email_date" is of type timestamp without time zone but expression is of type character varying HINT: You will need to rewrite or cast the expression. Is there any way I can have it automatically skip (or ignore) invalid rows? Here's the query I'm using: SET statement_timeout = 0; INSERT INTO emails3 SELECT * FROM emails

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• Appropriate data field type for true/false value?

  - by Industrial

  Hi everybody, What's the most appropriate (read least data consuming) data field to store a true/false/1/0 value in a mySQL database? I have previously used a one character long tinyint, but I am not sure if it's the best solution? Thanks!

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• Python : Convert from C-Char to Int

  - by cuband

  I have a string read in from a binary file that is unpacked using struct.unpack as a string of length n. Each byte in the string is a single integer (1-byte) representing 0-255. So for each character in the string I want to convert it to an integer. I can't figure out how to do this. Using ord doesn't seem to be on the right track...

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• C converts HEX value from emacs into the incorrect value

  - by hatorade

  in a file, i have used m-x ucs-insert to insert a hex character 9e (which in emacs shows up as \236). however, when this is read in by the C program, 9e is becoming 0x9ec2. Where is this c2 coming from and how do i get rid of it??

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• How to determine the number of charecter will fit to screen in Qt

  - by Shadow

  Hi, how to determine the number of character of particular font will fit to screen. how to implement it. Thanks

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• How to get position of last letter in a string in php?

  - by Diddy

  Example of a string: "Some text.....!!!!!!!!?????" Using PHP how would I get the position of the last letter (or even alphanum character) which in this example is the letter t?

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• In 0-based indexing system, do people call the element at index 0 the "first" or the "zeroth" elemen

  - by polygenelubricants

  In Java/C++, for example, do you casually say that 'a' is the first character of "abc", or the zeroth? Do people say both and it's always going to be ambiguous, or is there an actual convention?

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• writing into a file in c.

  - by mekasperasky

  i have an char array b[20] which i want to write into a file . After every iteration the value of b[20] changes , so i would like to write the string in each line of the file in each iteration . So how can i change a new line in a file and also put in a array of character?

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• JavaScript IF with AND/OR.. not working

  - by nobosh

  Can someone who is a master at JS tell me what's wrong with this? if ( $.trim($("#add-box-text").val()).length < 2 && $.trim($("#add-box-text").val()) != "Click here to add an item" ) { // If it's LT than 1 Character, don't submit $("#add-box-text").effect('highlight', {color: '#BDC1C7'}, 500); // Refocus $("#add-box-text").focus(); }

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• Are there java libraries to do a word-based diff?

  - by Mycol

  I have two pieces of text. I would like to make a word-based diff between them (like whe unix utility wdiff does) but with more information in the output (I mean, the character's posizion where the added/delited word starts). I need to do this in Java, so a simple output of the differences (like wdiff) doesn't suite for me: I would like to manipulate objects representing differences.

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• SQL Server Text type v.s. varchar data type

  - by George2

  Hello everyone, I have variable length character and want to store in SQL Server (2005) database. I want to learn some best practices about how to choose TEXT SQL type or choose VARCHAR SQL type, pros and cons in performance/footprint/function. thanks in advance, George

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• Perl Term::ReadKey don't wait for newline

  - by tim

  In a perl script, I'm trying to accept input without blocking and without echoing the characters entered (The script is producing output and I want to have 'hotkeys' to alter its behaviour). I got as far as using use Term::ReadKey; ReadMode( "cbreak", STDIN ); if($input = ReadKey($pause_time, STDIN)){ #process input } But once the user types anything then the script stops until a newline is entered. I'd like the input to be processed per-character, without waiting for a newline.

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• Symfony: there is a "0" (zero) in a sfWidgetFormChoice

  - by user248959

  Hi, i want to show a select which options are the character '-' and a range of integers. I have this: $years = range(14,130); new sfWidgetFormChoice(array('choices' => array_merge(array('' => '-',array_combine($years,$years))); The problem: between the '-' and the range of integers there is a "0" (bold and italic). Any help? Regards Javi

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• c language: printf help

  - by dydx

  Hi again, here is my coding which gives me the error 'warning: unknown conversion type character 0x20 in format' int subtotal; long long a,b,c,d,e,f,g,h,i,j,k,l,m; subtotal = (1*(a+c+e+g+i+k))+(3*(b+d+f+h+j+l)); printf(" = %d % 10 = %d; (10 - %d) % 10 = %lld\n", subtotal,subtotal%10,subtotal%10,m); any idea why this is wrong?

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• Making a char function parameter const?

  - by Helper Method

  Consider this function declaration: int IndexOf(const char *, char); where char * is a string and char the character to find within the string (returns -1 if the char is not found, otherwise its position). Does it make sense to make the char also const? I always try to use const on pointer parameters but when something is called by value, I normally leave the const away. What are your thoughts?

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• JavaScript split function

  - by lalchand

  i like to split a string depending on "," character using JavaScript example var mystring="1=name1,2=name2,3=name3"; need output like this 1=name1 2=name2 3=name3

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• What's the "Content-Length" field in HTTP header?

  - by Eonil

  What does it mean? Byte count of encoded content string with encoding specified in header. Character count of content string. Especially in case of "Content-Type: application/x-www-form-urlencoded".

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• Print in terminal with colors using python ?

  - by aboSamoor

  I want to print in the terminal with colors ? how can I do that in python ? Another questions what is the best character that when it is printed it look like a box [brick] ? I want to print colored blocks, it is part of game :)

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• Cursar move to the next line using textview

  - by user990918

  Hi friends i am trying to move curser move to the next line. it is worked but when i enter a character in textview curser again back to first line. please help me any one. i am writing below code.` if (textView == mailBodyTxtVew) { textView.text= [textView.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; //[textView resignFirstResponder]; // return NO; } `

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• which delimeter to use while spliting String

  - by London

  I need to split this line string in each line, I need to get the third word(film name) but as you see the delimeter is one big blank character in some cases its small like before the numbers at the end or its big as in front of numbers at front. I tried using string split with(" ") regex, and also \t but get the out of the bounds error. 400115305 Lionel_Atwill The_Song_of_Songs_(1933_film) 7587 400115309 Brian_Aherne A_Night_to_Remember_(1943_film) 7952 Did anyone have the same problem?

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• Linux - Replacing spaces in the file names

  - by Mithun

  I have a number of files in a folder, i want to replace every space character in all file names with under scores. How can I achieve this?

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• Dividing a string into list according to the format given

  - by user506710

  Hello all , I have a string like "SAB_bARGS_D" . What I want is that the string gets divided into list of characters but whenever there is a _ sign the next character gets appended to the previous one. So the answer to above should be ['S','A','B_b','A','R','G','S_D'] It can be done by using a for loop traversing through the list but is there an inbuilt function that I can use..... Thanks a lot

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• Interpolating special characters (\t, \n, \r etc.) at runtime in C#

  - by Chris Wenham

  The C# compiler interpolates special character literals like \t for tab, \n for newline etc. But is there a built-in C# or .Net function that can interpolate them at runtime?

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• filtering problem in LINQ

  - by ognjenb

  var query = from d in testPersons.person where d.Name == txtbox select d; txtbox is text box on View page. How change this code to return all names who starts with any part of name? For example:when I type R in text box, on View page, this query should return all names who is start with character R

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• Quick way to make 26 macros (one for each letter)

  - by Geoff

  Instead of making a macro for each letter, as in \def\bA{\mathbf{A}} ... \def\bZ{\mathbf{Z}} Is there a way to loop over a character class (like capital letters) and generate macros for each? I'd also like to do the same for Greek letters (using bm instead of mathbf).

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