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  • get the length/width of value in a factor

    - by Brandon
    How do you get the length of a variable. I am trying to get the last character of factor but the width/length of the contents is variable. I was trying to do something like this: newvariable <- substr(oldvariable, length(oldvariable) -1, length(oldvariable))

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  • How to create AppStore.com short link?

    - by acidic
    For my resume, I am attempting to add a shortened link to the app that I created. I looked around and found that apple provides a link shortener for iOS apps using the AppStore.com URL. Unfortunately, since my app contains the ² character, I cannot figure out how to link to my app. The long link for my app is: https://itunes.apple.com/us/app/squared2/id498133871?mt=8 Also, is there a way to link to an app without having iTunes automatically open (only show the iTunes preview page)?

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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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  • LINQ version of SQL's LIKE statement

    - by Erwin
    Hi fellow coders I'm new at LINQ, searching the net for LINQ samples that mimic SQL's LIKE statement doesn't satisfy myself. What I want is producing the same query result as this SQL SELECT * FROM table_1 WHERE column_1 LIKE '__0%' I want to query from table_1 where column_1's third character is '0' Is there equivalent statement in LINQ :D thank you

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  • General Question about MD5

    - by chicane
    So im just playing around with PHP and the MD5 functionality, sorry if this sounds really silly, but I cant seem to understand, how is it possible to represent an unlimited number of characters of input into a 32 bit character output? Is my logic sound here? Or is there a limit to the input that a MD5 function can take? Thanks...

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  • How to do an alphnumeric sort in R

    - by cbare
    Is there an alphanumeric sort for R? Say I had a character vector like so: > seq.names <- c('abc21', 'abc2', 'abc1', 'abc01', 'abc4', 'abc201', '1b', '1a') I'd like to sort it aphanumerically, so I get back this: c('1a', '1b', 'abc1', 'abc01', 'abc2', 'abc4', 'abc21', 'abc201') Does this exist somewhere, or should I start coding? Thanks, -chris

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  • Native language problem in tinyMCE

    - by jasmine
    I have turkish character problem in mysql database when adding content with tinymce from admin panel. Charset is: <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-9"" /> It accurs when add content in text area with tynymce. How can I solve this? Thanks in advance

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  • regular expression with special chars

    - by xRobot
    I need a regular expression to validate string with one or more of these characters: a-z A-Z ' àòèéùì simple white space FOR EXAMPLE these string are valide: D' argon calabrò maryòn l' Ancol these string are NOT valide: hello38239 my_house work [tab] with me I tryed this: re.match(r"^[a-zA-Z 'òàèéìù]+$", self.cleaned_data['title'].strip()) It seems to work in my python shell but in Django I get this error: SyntaxError at /home/ ("Non-ASCII character '\\xc3' ... Why ?

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  • How to display Kannada (Indic) Fonts in a Java application

    - by AJ
    I am trying to dislplay a kannda character in a Java app. String fonts[] = ge.getAvailableFontFamilyNames(); This shows that there is a font family by name "BRH Kannada" Font f = new Font("BRH Kannada", Font.PLAIN, 20); and then I do button.setFont(f); now when i set the button text, I have to ideally get the text on button to use the BRH kannada font. However, what and how should I give the string as?

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  • wchar to char in c++

    - by Chris
    I have a Windows CE console application that's entry point looks like this int _tmain(int argc, _TCHAR* argv[]) I want to check the contents of argv[1] for "-s" convert argv[2] into an integer. I am having trouble narrowing the arguments or accessing them to test. I initially tried the following with little success if (argv[1] == L"-s") I also tried using the narrow function of wostringstream on each character but this crashed the application. Can anyone shed some light? Thanks

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  • Getting n-th line of text output

    - by syker
    I have a script that generates two lines as output each time. I'm really just interested in the second line. Moreover I'm only interested in the text that appears between a pair of #'s on the second line. Additionally, between the hashes, another delimiter is used: ^A. It would be great if I can also break apart each part of text that is ^A-delimited (Note that ^A is SOH special character and can be typed by using Ctrl-A)

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  • Java regex to get part number

    - by Blankman
    I have HTML that I need to extract a part number from, the HTML looks like: javascript:selectItem('ABC123 1', '..... I need to get the ABC123 from the above. My code snippet: Patterp p = Pattern.Compile("?????"); Matcher m = p.matcher(html); if(m.find()) partNumber = m.group(1).trim(); BTW, in the pattern, how do I escape for the character ( I now for quotes I do \" thanks allot!

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  • Python's string.translate() doesn't fully work?

    - by Rhubarb
    Given this example, I get the error that follows: print u'\2033'.translate({2033:u'd'}) C:\Python26\lib\encodings\cp437.pyc in encode(self, input, errors) 10 11 def encode(self,input,errors='strict'): ---> 12 return codecs.charmap_encode(input,errors,encoding_map) 13 14 def decode(self,input,errors='strict'): UnicodeEncodeError: 'charmap' codec can't encode character u'\x83' in position 0

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  • Recipes/tutorials/libraries for GUI-like terminal navigation (vim/lynx-style)?

    - by qgi
    Several console based applications like vim or lynx offer a rich user interface which enables the user to navigate freely around the console, manipulate data directly on screen, access menus and much more, similar to "modern" gui applications. How is that being achieved in principal on Unix/Linux with C++? Do you directly manipulate some kind of character buffer or is the screen constantly cleared and reprinted to stdout? Is there a set of libraries to implement such behavior or even some kind of a "modern" event-driven GUI toolkit for the console?

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  • C++ exam question on string class implementation

    - by Carlucho
    I just took an exam where i was asked the following: Write the function body of each of the methods GenStrLen, InsertChar and StrReverse for the given code bellow. You must take into consideration the following; How strings are constructed in C++ The string must not overflow Insertion of character increases its length by 1 An empty string is indicated by StrLen = 0 class Strings { private: char str[80]; int StrLen; public: // Constructor Strings() { StrLen=0; }; // A function for returning the length of the string 'str' int GetStrLen(void) { }; // A function to inser a character 'ch' at the end of the string 'str' void InsertChar(char ch) { }; // A function to reverse the content of the string 'str' void StrReverse(void) { }; }; The answer I gave was something like this (see bellow). My one of problem is that used many extra variables and that makes me believe am not doing it the best possible way, and the other thing is that is not working.... class Strings { private: char str[80]; int StrLen; int index; // *** Had to add this *** public: Strings(){ StrLen=0; } int GetStrLen(void){ for (int i=0 ; str[i]!='\0' ; i++) index++; return index; // *** Here am getting a weird value, something like 1829584505306 *** } void InsertChar(char ch){ str[index] = ch; // *** Not sure if this is correct cuz I was not given int index *** } void StrRevrse(void){ GetStrLen(); char revStr[index+1]; for (int i=0 ; str[i]!='\0' ; i++){ for (int r=index ; r>0 ; r--) revStr[r] = str[i]; } } }; I would appreciate if anyone could explain me toughly what is the best way to have answered the question and why. Also how come my professor closes each class function like " }; " i thought that was only used for ending classes and constructors only. Thanks a lot for your help.

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