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• How to make the Number view in keyboard UITextField to become default?

  - by vodkhang

  I have a UITextField but my users will prefer enter some number in that field rather than typing text character (like enter a cost a product). So, how can I make the Number View in the keyboard to become default whenever the user tap into the UITextField?

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• Looking for a good Delphi unicode string library

  - by volvox

  Any suggestion for a good unicode string library for Delphi 2010? Such thing as class that would contain a collection of independent functions, basically an encapsulation of functions that manipulate strings (ex: Trimlike, Character removal, Positional, Sub-string, Compare, Informational, Case, Replacement, Manipulation functions etc. ). Thanks

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• Export unicode data from mysql

  - by Nayn

  Hi Folks, I have some data in one of my mysql table stored as utf8. The data is some japanese text. I need to export it to excel. Could you tell how to do it? Exporting by SELECT ... INTO OUTFILE returns some plain text file. I'm not sure how to read it back in excel so that japanese character would show properly Thanks Nayn

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• Regex to match card code input

  - by kate

  How can I write a regex to match strings following these rules? 1 letter followed by 4 letters or numbers, then 5 letters or numbers, then 3 letters or numbers followed by a number and one of the following signs: ! & @ ? I need to allow input as a 15-character string or as 3 groups of 5 chars separated by one space. I'm implementing this in JavaScript.

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• NSString - how to check if it contains quotation marks <">

  - by alexeyndru

  [[somestring substringtoindex:0] is equaltostring:@"""]; 'makes red' the rest of the code. actually i can't put quotation marks inside quotation marks. still, this is the character i want to reffer. how should I do it in the correct way? thanks

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• How to reverse PNG for drawing

  - by nXqd

  I make game Mario and I want when I use left key < , the character will turn his head to left :-? How can I implement that ? Thanks for reading this :)

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• How can I test if line is empty in shell script?

  - by planetp

  I have a shell script like this: cat file | while read line do # run some commands using $line done Now I need to check if the line contains any non-whitespace character ([\n\t ]), and if not, skip it. How can I do this?

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• Azure table storage: maximum variable size ?

  - by Egon

  I will be using the table storage to store a lot of blob names, in a single string, appended to each other using some special character. This string will sky rockets pretty soon. But is there a maximum size to the length of a property for a particular entity ? in my case the string ?

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• Python, Unicode, and the Windows console

  - by James Sulak

  When I try to print a Unicode string in a windows console, I get a "UnicodeEncodeError: 'charmap' codec can't encode character ...." error. I assume this is because the Windows console does not accept Unicode-only characters. What's the best way around this? Is there any way I can make Python automatically print a "?" instead of failing in this situation? Edit: I'm using Python 2.5.

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• Computed column should result to string

  - by strakastroukas

  Here is a snap of my database. Both col1 and col2 are declared as int. My ComputedColumn currently adds the Columns 1 and 2, as follows... col1 col2 ComputedColumn 1 2 3 4 1 5 Instead of this, my ComputedColumn should join the columns 1 and 2 (includimg the '-' character in the middle) as follows... col1 col2 ComputedColumn 1 2 1-2 4 1 4-1 So, what is the correct syntax?

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• how to attach window.close to cntrl+w keypress event in a xul window?

  - by Erik Vold

  I have a XUL window, and I want the cntrl+w hotkey to close the window, but when I attach: window.addEventListener("keypress", function(ev) { GM_log("onkeypress handler: \n" + "keyCode property: " + ev.keyCode + "\n" + "which property: " + ev.which + "\n" + "charCode property: " + ev.charCode + "\n" + "Character Key Pressed: " + String.fromCharCode(ev.charCode) + "\n"); }, true); to the page, it treats pressing 'w' and 'cntrl+w' the same, charCode 119.. how can I determine that cntrl+w was pressed so that I may window.close() ?

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• How to decode UTF8 characters with JSON on iPhone ?

  - by Fabrizio

  Hi there, I'm using ASIHTTP Request to get a NSString response that I give to a SBJSON parser. The problem is that inside the NSString response I got some UTF8 encoded character (accent) that I need do decode to make the app works. How can I decode UTF8 with JSON? I call the JSON message like this: [jsonParser objectWithString:jsonString error:NULL]; Any help would be so appreciated. Fabrizio

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• jquery - validate characters on keypress?

  - by TwixxyKit

  I have a form text field that I want to allow only numbers and letters in. (i.e., no #$!, etc...) Is there a way to throw up an error and prevent the keypress from actually outputting anything if the user tries to use any character other than numbers and letters? I've been trying to find a plugin, but haven't really found anything that does this...

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• Efective way to avoid integer overflow when multiplying?

  - by Jonathan

  Hi, I'm working on a hash function which gets a string as input. Right now I'm doing a loop and inside the hash (an int variable) is being multiplied by a value and then the ASCII code for the current character is added to the mix. hash = hash * seed + string[i] But sometimes, if the string is big enough there is an integer overflow there, what can I do to avoid it while maintaining the same hash structure? Maybe a bit operation included inside the loop?

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• Basic SQL Select in Postgresql fails

  - by Rhubarb

  I am doing a select * on a postgresql table, and everything looks good. But if I do: SELECT Name from People It says: ERROR: column People.Name does not exist SQL state: 42703 Character: 8 But the name column shows up during select *. I've tried: SELECT People.Name from People as well, with the same result. Am I missing something? It should be pretty easy to do this in any other database.

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• change string in mssql 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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• How to split a string in combo block quota EX: [ text ] in jQuery

  - by Rueta

  Hi everyone! i'm a newbie in jQuery and i don't know how to do my homework, pls help me ! i have a String EX: this is my text, press here. Now i put in o block character : [here] how can a take slipt string and get text in [ ] into variable 'done'? thankyou !

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• How do you change the image of a bullet point in LaTeX Beamer

  - by cheshirekow

  When I use the itemize environment, i.e. \begin{itemize} \item one \item two \item three \end{itemize} The bullet points are ugly bitmap graphics that have harsh (aliased) edges. I'd like it to be a nice, clean font character or vector graphic

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• Count white spaces to the left of a line in a text file using C++

  - by insertable

  Hi all, I am just trying to count the number of white spaces to the LEFT of a line from a text file. I have been using count( line.begin(), line.end(), ' ' ); but obviously that includes ALL white spaces to the left, in between words and to the right. So basically what I'm wanting it to do is once it hits a non-space character stop it from counting the white spaces. Thanks everyone.

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• How do I ignore unrecognized characters which come back from web service?

  - by Jay Askren

  I am working on an app which calls a rest web service. Sometimes the xml responses contain characters which the phone can not understand. When displaying these characters, an empty box is displayed instead. I would like to filter out these characters. How can I detect if a character will be able to be displayed on the screen?

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• AJAX, Subdomains and the 200 OK response.

  - by b. e. hollenbeck

  A non-hypothetical but abstracted situation: I have a domain www.foo.com, from which I'm making an AJAX POST to beta.foo.com. Examining the XHR object, I see a response header of 200 OK, but no response text - I even get a response 12B long, which is the exact response (a 12-character string) that I'm expecting - but the response text is blank. If this is a cross-domain issue, why am I getting 200 OK, and better yet - why am I seeing the PHP functions fire on the beta.foo.com side - yet getting no response?

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• How to give sentence case to sentences through CSS or javascript?

  - by jitendra

  How to give sentence case to sentences through CSS or javascript? I've tried these CSS properties but these are different capitalize Transforms the first character of each word to uppercase uppercase Transforms all characters to uppercase lowercase Transforms all characters to lowercase Edit: 19 FEB 2010 is there any option in jquery to achieve this?

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• Have Javascript insert a backspace within ContentEditable Div.

  - by DavidR

  An odd request, I know. I want Javascript to pretend the user just pressed the backspace. That's all I really want, if you want more info: My last topic here, gives more explaination. In short: I press a key, javascript converts the key to the greek equivalent, then puts that key in instead. The problem is, when onKeyUp is activated, it starts a function which looks for combinable character pairs put together (for accents) and inserts that key.

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• jQuery plugin for formatting inputs

  - by antony.trupe

  I want to accept values in any of the following format: -$5 -$5.00 $5 $5.00 Is it possible to do that using Masked Input Plugin? If not, what plug-in am I looking for? How do I indicate a character is optional? The code I've got so far $.mask.definitions['~']='[ +-]'; $(".currency").mask("~$9");

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• WPF Textbox Preview events related

  - by Nitin Chaudhari

  I have a WPF textbox, and perform the following actions Enter text as "12345" Move cursor between 3 and 4 (using arrow or mouseclick) Enter 0 (so Text is now "123045") Which event/eventargs can tell me that 0 was typed at location 4. I need to know this at Preview level so that I can reject the character 0 based on the prefixed and suffixed digits.

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