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  • mysql_real_escape more than once

    - by Aran
    I was just wondering whether it makes a difference if I mysql_real_escape data more than once? So if I escaped data in one part of my website, and then again in another part of code. Would this be a problem? Or make a difference?

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  • ASP.NET MVC input is not a valid Base-64 string Error

    - by Cas Sakal
    Hello all, I am trying to post a from in an asp.net mvc page which contains files(user uploads) and a few string fields. However, when I click on the submit I get the following error; The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or a non-white space character among the padding characters. does anyone have an idea what is this about? I cannot debug it since it gives the error at the time of the binding of the page. Any help would be appreciated, cas

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  • Call a function in an ExtJS XTemplate

    - by Snowright
    I'm familiar with using a function to determine a specific condition using xtemplate but not sure how to directly call a function without the conditional if statement. My code, for example, wants to append some characters to a string that I am using within my xtemplate. I think the best way to do it is append the characters when the xtemplate is rendered. var myTpl = new Ext.XTemplate( '<tpl for=".">', '<tpl if="this.isThumbnailed(thumbnailed) == true">', '<img src=this.getThumbUrl(rawThumbUrl)/>', //this call to function does not work, also tried variations of this. '</tpl>', '</tpl>', { isThumbnailed : function(thumbnailed) { return ...; }, getThumbUrl : function(rawThumbUrl) { //... //this function does not get called. return ...; } } )

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  • jquery - check length of input field?

    - by KnockKnockWhosThere
    The code below is intended to enable the submit button once the user clicks in the textarea field. It works, but I'm trying to also make it so that it's only enabled if there's at least one character in the field. I tried wrapping it in: if($(this).val().length > 1) { } But, that didn't seem to work... Any ideas? $("#fbss").focus(function(){ $(this).select(); if($(this).val()=="Default text") { $(this).val(""); $("input[id=fbss-submit]").removeClass(); $("input[id=fbss-submit]").attr('disabled',false); $("input[id= fbss-submit]").attr('class','.enableSubmit'); if($('.charsRemaining')) { $('.charsRemaining').remove(); $("textarea[id=fbss]").maxlength({ maxCharacters: 190, status: true, statusClass: 'charsRemaining', statusText: 'characters left', notificationClass: 'notification', showAlert: false, alertText: 'You have exceeded the maximum amount of characters', slider: false }); } });

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  • Ndk-build: CreateProcess: make (e=87): The parameter is incorrect

    - by user1514958
    I get an error when build static lib with NDK on Windows platform: process_begin: CreateProcess( "PATH"\android-ndk-r8b\toolchains\arm-linux-androideabi-4.6\prebuilt\windows\bin\arm-linux-androideabi-ar.exe, "some other commands" ) failed. make (e=87): The parameter is incorrect. make: *** [obj/local/armeabi-v7a/staticlib.a] Error 87 make: *** Waiting for unfinished jobs.... All source files build successfully, and this error occur when compose object files. I don't get this error when build this project in Ubuntu, it occur only on Windows. I suppose I found the issue: second parameter of CreateProcess Win API function lpCommandLine has max length 32,768 characters. But in my case it is more than 32,768 characters. How I can solve this issue?

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  • String length difference between ruby 1.8 and 1.9

    - by Raghu
    I have a website thats running on ruby 1.8.7 . I have a validation on an incoming post that checks to make sure that we allow upto max of 12000 characters. The spaces are counted as characters and tab and carriage returns are stripped off before the post is subjected to the validation. Here is the post that is subjected to validation http://pastie.org/5047582 In ruby 1.9 the string length shows up as 11909 which is correct. But when I check the length on ruby 1.8.7 is turns out to be 12044. I used codepad.org to run this ruby code which gives me http://codepad.org/OxgSuKGZ ( which outputs the length as 12044 which is wrong) but when i run this same code in the console at codeacademy.org the string length is 11909. Can anybody explain me why this is happening ??? Thanks

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  • ASP.NET MVC2 RC : How to intercept or trigger client-side validation before ajax request?

    - by jacko
    I have a username textbox on a form, that has a few validation rules applied to it via the DataAnnotation attributes: [Required(ErrorMessage = "FTP login is required")] [StringLength(15, ErrorMessage = "Must be 15 characters or fewer")] [RegularExpression(@"[a-zA-Z0-9]*", ErrorMessage = "Alpha-numeric characters only")] public string FtpLogin { get; set; } I also have a button next to this text box, that fires off a jQuery ajax request that checks for the existence of the username as follows: <button onclick="check(this);return false;" id="FtpLoginCheck" name="FtpLoginCheck">Available?</button> I'm looking for a way of tieing the two together, so that the client-side validation is performed before the call to the "check(this)" in the onclick event. Edit: To be more clear, I need a way to inspect or trigger the client-side validation result of the textbox, when I click the unrelated button beside it. Edit: I now have the button JS checking for $("form").validate().invalid, but not displaying the usual validation messages. Almost there Any ideas?

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  • How to set the mechanize page encoding?

    - by Juan Medín
    Hi, I'm trying to get a page with an ISO-8859-1 encoding clicking on a link, so the code is similar to this: page_result = page.link_with( :text => 'link_text' ).click So far I get the result with a wrong encoding, so I see characters like: 'T?tulo:' instead of 'Título:' I've tried several approaches, including: Stating the encoding in the first request using the agent like: @page_search = @agent.get( :url => 'http://www.server.com', :headers => { 'Accept-Charset' => 'ISO-8859-1' } ) Stating the encoding for the page itself page_result.encoding = 'ISO-8859-1' But I must be doing something wrong: a simple puts always show the wrong characters. Do you know how to state the encoding? Thanks in advance, Added: Executable example: require 'rubygems' require 'mechanize' WWW::Mechanize::Util::CODE_DIC[:SJIS] = "ISO-8859-1" @agent = WWW::Mechanize.new @page = @agent.get( :url => 'http://www.mcu.es/webISBN/tituloSimpleFilter.do?cache=init&layout=busquedaisbn&language=es', :headers => { 'Accept-Charset' => 'utf-8' } ) puts @page.body

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  • What is the best way to remove accents in a python unicode string?

    - by MiniQuark
    I have a unicode string in python, and I would like to remove all the accents (diacritics). I found on the Web an elegant way to do this in Java: convert the unicode string to its long normalized form (with a separate character for letters and diacritics) remove all the characters whose unicode type is "diacritic". Do I need to install a library such as pyICU or is this possible with just the python standard library? And what about in python 3.0? Important note: I would like to avoid code with an explicit mapping from accented characters to their non-accented counterpart. Thanks for your help.

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  • Check ReturnUrl is valid before redirecting

    - by Josh
    I'm using ASP.NET Membership and Form Authentication and before redirecting to the returnURL I wanted to validate it. For those unfamiliar with the workflow, basically if you request a page that requires that you are authenticated, you are redirected to a login page. In the URL string you'll see a parameter called returnURL, e.g. http://example.com/login.aspx?ReturnUrl=%2fprotected%2fdefault.aspx Whether you use this in a redirect such as Response.Redirect(returnURL) or indirectly through the FormsAuthentication.RedirectFromLoginPage method, it passes without validating returnURL. FormsAuthentication.RedirectFromLoginPage does have a security check that it is isn't leaving the domain, but that still doesn't stop someone from putting enough random characters to cause an error. I tried using System.IO.File.Exists(Server.MapPath(returnURL)) but given enough illegal characters it cause Server.MapPath to error. Note: URLEncoding doesn't work because we are not cleaning a parameter, but the primary URL. Any other suggestions for validating or cleaning the returnURL value?

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  • How can I tell if a CSV is in UTF-7 or UTF-8

    - by dru-zod
    Excel seems to save CSV files in (what I think is) UTF-7, despite the fact that most information I have read suggest that in general, you should not UTF-7. Indeed, other applications (Text pad, which lets me choose) save things in UTF-8 (or Unicode etc, but UTF-7 is not even an option). Using .NET, I read the stream, and have to provide the encoding. If I get it wrong, accented characters are replaced with question marks. If I try and let StreamReader work it out (using detectEncodingFromByteOrderMarks), it gets it wrong (at least, it does if the file has been saved in Excel). It is unlikely that anything other then Excel will be used, so I could just assume UTF-7. Are there any other options? I need to support French (accented), German, Dutch, and Norwegian characters.

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  • Can you access registers from python functions in vim

    - by Michael Anderson
    It seems vims python sripting is designed to edit buffer and files rather than work nicely with vims registers. You can use some of the vim packages commands to get access to the registers but its not pretty. My solution for creating a vim function using python that uses a register is something like this. function printUnnamedRegister() python >> EOF print vim.eval('@@') EOF Setting registers may also be possible using something like function setUnnamedRegsiter() python >> EOF s = "Some \"crazy\" string\nwith interesting characters" vim.command('let @@="%s"' % myescapefn(s) ) EOF However this feels a bit cumbersome and I'm not sure exactly what myescapefn should be. So I've never been able to get the setting version to work properly. So if there's a way to do something more like function printUnnamedRegister() python >> EOF print vim.getRegister('@') EOF function setUnnamedRegsiter() python >> EOF s = "Some \"crazy\" string\nwith interesting characters" vim.setRegister('@',s) EOF Or even a nice version of myescapefn I could use then that would be very handy.

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  • Split textarea content into two at maxlength and flow excedant content in another textarea

    - by user1057339
    Wondering if its possible to create a short simple and sweet cross-browser jQuery (1.6) function that would split #textarea1 content into two by preserving the characters that amount to less than its var maxlength limit and transfering the remaining characters that exceed its maxlength limit in #textarea2. #textarea1 can push excedant in #textarea2, but if #textarea1 contains less than the maxlength limit, by default it wont get filled up with #textarea2 content, but you would have the option programatically to override this. I am just beginning to scratch the surface of jQuery but I noticed that this simple javascript can nearly do the trick, minus the free-flowing character movement. Scratching my head on this one. Thx a heap for any help. DC

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  • Programmatically change the default code page in Windows XP? (from Delphi)

    - by Duncan
    Could anyone advise how to programmatically change the default Windows XP code page (I'm doing this from Delphi)? (This would be the equivalent of going into Control Panel - Regional Settings - Language for non-Unicode applications). In this case, I want to switch to Chinese (PRC) and so am writing to the following registry strings: HKLM\SYSTEM\CurrentControlSet\Control\Nls\CodePage\ ACP=936 MACCP=10008 OEMCP=936 (Which is exactly what changing the non-Unicode codepage drop down in Control Panel does). There must be another setting which I need to change - and I'd prefer to use a Win API call (if available) rather than writing to the registry myself. I've also tried setting HKLM\SYSTEM\CurrentControlSet\Control\Nls\Language\ Default=0804 (Chinese PRC) to no avail. I don't want to change the 'locale' per se as this will also change time / date settings, separators, etc. etc. This is because I'm using an ANSI application that needs to render Chinese characters, and I'm writing a tool to automatically switch the system show the characters (while leaving other aspects of the UI intact). Thanks! Duncan

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  • javascript - shorten string to fit into a certain # of lines

    - by Mala
    Hi I have a string that must fit into a box, and must be at most 3 lines long. To shorten it, I plan to truncate it and end it with '...'. I could shorten it to a certain # of characters but if i make it look good with "wwwwwwwww [...] wwww" it won't look right with "iiiiiiiiiii [...] iiii". Is there some way I can shorten it by how much space the string would take up, as opposed to how many characters there are in a string without using a fixed-width font? Mala ps. Please no "simply create an image of '...' and overlay it over the end of the line" hacks or similar - I actually want to shorten the string to the appropriate length

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  • problem with image urls in htmlhelp created by docbook xsl

    - by newenglander
    I have a Docbook XML document that has some images with special characters in their names (German umlauts). I'm using Saxon 6.5.5 and the Docbook xslt Stylesheets to create HTMLHelp files based on that document. Unfortunately the filenames are then url-encoded (% and hexadecimal code), which internet explorer can't deal with (with firefox it works). I looked for a parameter which could change this feature, but couldn't find any. I also tried to save my image files using the encoded names, but this didn't work either. Does anyone know a good way around this, or will I have to simply forbid special characters in my image names?

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  • Data validation best practices: how can I better construct user feedback?

    - by Cory Larson
    Data validation, whether it be domain object, form, or any other type of input validation, could theoretically be part of any development effort, no matter its size or complexity. I sometimes find myself writing informational or error messages that might seem harsh or demanding to unsuspecting users, and frankly I feel like there must be a better way to describe the validation problem to the user. I know that this topic is subjective and argumentative. StackOverflow might not be the proper channel for diving into this subject, but like I've mentioned, we all run into this at some point or another. There are so many StackExchange sites now; if there is a better one, feel free to share! Basically, I'm looking for good resources on data validation and user feedback that results from it at a theoretical level. Topics and questions I'm interested in are: Content Should I be describing what the user did correctly or incorrectly, or simply what was expected? How much detail can the user read before they get annoyed? (e.g. Is "Username cannot exceed 20 characters." enough, or should it be described more fully, such as "The username cannot be empty, and must be at least 6 characters but cannot exceed 30 characters."?) Grammar How do I decide between phrases like "must not," "may not," or "cannot"? Delivery This can depend on the project, but how should the information be delivered to the user? Should it be obtrusive (e.g. JavaScript alerts) or friendly? Should they be displayed prominently? Immediately (i.e. without confirmation steps, etc.)? Logging Do you bother logging validation errors? Internationalization Some cultures prefer or better understand directness over subtlety and vice-versa (e.g. "Don't do that!" vs. "Please check what you've done."). How do I cater to the majority of users? I may edit this list as I think more about the topic, but I'm genuinely interest in proper user feedback techniques. I'm looking for things like research results, poll results, etc. I've developed and refined my own techniques over the years that users seem to be okay with, but I work in an environment where the users prefer to adapt to what you give them over speaking up about things they don't like. I'm interested in hearing your experiences in addition to any resources to which you may be able to point me.

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  • javascript/php - shorten string to fit into a certain # of lines

    - by Mala
    Hi I have a string that must fit into a box, and must be at most 3 lines long. To shorten it, I plan to truncate it and end it with '...'. I could shorten it to a certain # of characters but if i make it look good with "wwwwwwwww [...] wwww" it won't look right with "iiiiiiiiiii [...] iiii". Is there some way I can shorten it by how much space the string would take up, as opposed to how many characters there are in a string without using a fixed-width font? Ideally I'd like to do this server-side (php) but recognize that actual character width stuff is far more likely to be feasible client-side (JS / jQuery) Mala ps. Please no "simply create an image of '...' and overlay it over the end of the line" hacks or similar - I actually want to shorten the string to the appropriate length

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  • How to fix weird issue with iconv on Mac Os x

    - by thomas mery
    Hi all, I am on Mac Os X 10.5 (but I reproduced the issue on 10.4) I am trying to use iconv to convert an UTF-8 file to ASCII the utf-8 file contains characters like 'éàç' I want the accented characters to be turned into their closest ascii equivalent so my command is this : iconv -f UTF-8 -t ASCII//TRANSLIT//IGNORE myutf8file.txt which works fine on a Linux machine but on my local Mac Os X I get this for instance : è = 'e à = `a I really dont undersatnd why iconv returns this weird output on mac os x but all is fine on linux any help ? or directions ? thanks in advance

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  • problems with zend_pdf and right to left language and unicode?

    - by user1400
    hi all, i am using zend_pdf to create pdf files for Ritgh to left language as arabic or east asia langauges i use of this code $pdfDoc = new Zend_Pdf(); $pdfPage = $pdfDoc->newPage(Zend_Pdf_Page::SIZE_A4); $font = Zend_Pdf_Font::fontWithPath(APPLICATION_PATH.'/Fonts/arial.ttf'); $pdfPage->setFont($font, 36); $pdfDoc->pages[] = $pdfPage; $unicodeString = '????'; $pdfPage->drawText($unicodeString, 72, 720, 'UTF-8'); $pdfDoc->save('utf8.pdf'); but there are two problem 1- how can i change document's direction to right to left ? 2- characters are separated one by one. but in some laguages characters of a word are joint together. any idea? or i may use tcpdf? thanks

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  • how to set charset for MySQL in RODBC

    - by lokheart
    I have a data with chinese characters as field names and data, I have imported them from xls to access 2007 and export them to ODBC. Then I use RODBC to read them in R, the field names is OK, but for the data, all of the chinese characters are shown as ?. I have read the RODBC manual and it said: If it is possible to set the DBMS or ODBC driver to communicate in the character set of the R session then this should be done. For example, MySQL can set the communication character set via SQL, e.g. SET NAMES 'utf8'. I guess this is the problem, but how can I provide this command to MySQL via RODBC? Thanks!

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  • Proper way in Python to raise errors while setting variables

    - by ensnare
    What is the proper way to do error-checking in a class? Raising exceptions? Setting an instance variable dictionary "errors" that contains all the errors and returning it? Is it bad to print errors from a class? Do I have to return False if I'm raising an exception? Just want to make sure that I'm doing things right. Below is some sample code: @property def password(self): return self._password @password.setter def password(self,password): # Check that password has been completed try: # Check that password has a length of 6 characters if (len(password) < 6): raise NameError('Your password must be greater \ than 6 characters') except NameError: print 'Please choose a password' return False except TypeError: print 'Please choose a password' return False #Set the password self._password = password #Encrypt the password password_md5 = md5.new() password_md5.update(password) self._password_md5 = password_md5.hexdigest()

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  • database datatype size

    - by yeeen
    Just to clarify by specifying sth like VARCHAR(45) means it can take up to max 45 characters? I rmb I heard from someone a few years ago that the number in the parathesis doesn't refer to the no of characters, then the person tried to explain to me sth quite complicated which i don't understand n forgot alr. And what is the difference btn CHAR and VARCHAR? I did search ard a bit and see that CHAR gives u the max of the size of the column and it is better to use it if ur data has a fix size and use VARCHAR if ur data size varies. But if it gives u the max of the size of the column of all the data of this col, isn't it better to use it when ur data size varies? Esp if u don't know how big is ur data size gg to be. VARCHAR needs to specify the size (CHAR don't really need right?), isn't it more troublesome?

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