string to integer
I can't do this in C++ string temp = "123"; int t = atoi(temp); why???? ...
string
Return index of all occurances of a character in a string in ruby
I am trying to return the index's to all occurrences of a specific character in a string using Ruby. A example string is "a#asg#sdfg#d##" and the expected return is [1,5,10,12,13] when seaching for # characters. The following code does the job but there must be a simpler way of doing this? def occurances (line) index = 0 all_index ...
C++ character replace
What is the best way to replace characters in a string? Specifically: "This,Is A|Test" ----> "This_Is_A_Test" I want to replace all commas, spaces, and "|" with underscores. (I have access to Boost.) ...
Remove Characters from the end of a String Scala
What is the simplest method to remove the last character from the end of a String in Scala? I find Rubys String class has some very useful methods like chop. I would have used "oddoneoutz".headOption in Scala, but it is depreciated. I don't want to get into the overly complex: string.slice(0, string.length - 1) Please someone tell me...
int array to string
In C#, I have an array of ints, containing digits only. I want to convert this array to string. Array example: int[] arr = {0,1,2,3,0,1}; How can I convert this to a string formatted as: "012301"? ...
initialize a C string with multiple quoted strings
Hi, I thought a C string can be initialized with one and only one quoted string. I just wonder how is this correct? char const help_message [] = "Usage: %s [options] files ...\n" "\n" "Options include:\n" " --verbose -v Be verbose\n" " --help -h Print this help message\n" " --output -o ...
Turning a hash into a string of name-value pairs
If I'm turning a ruby hash into a string of name-value pairs (to be used in HTTP params, for example), is this the best way? # Define the hash fields = {"a" => "foo", "b" => "bar"} # Turn it into the name-value string http_params = fields.map{|k,v| "#{k}=#{v}"}.join('&') I guess my question is: Is there an easier way to get to http_...
Delphi, Copy string to Byte array
what i have works, but im looking if there is a faster way to copy a string into a pByteArray from sysutils PByteArray = ^TByteArray; TByteArray = array[0..32767] of Byte; assume a and s are setup correctly a: pByteArray; s: string; is there a fast way to do this, ie something like copy for i := 1 TO Length(s) - 1 do ...
String comparison in Ruby on Rails unit-test
Hi, my Ruby On Rails unit-test fails in a simple string comparison and I can't figure out why. In the model TestItem, I have doc = REXML::Document.new(data) @bugtitle = doc.root.get_text("/bugzilla/bug/short_desc") where data is a xml-string returned by a Net::HTTP::post request. The data looks good, and if I output @bugtitle it cont...
Minimum Number of Operations needed.
Hello everyone there... I have a problem, suppose I have a given string: "best", the target string is suppose: "beast". Then I have to determine the number of operations to convert the given string to the target string, however the operations allowed are: 1. add a character to string. 2. delete a character. 3. swap two char positions. (...
Strings as template arguments?
Can strings be used as template arguments? I tried: template <char *str> struct X { const char *GetString() const { return str; } }; int main() { X<"String"> x; cout<<x.GetString(); } And although I get no complaints about the class definition, the instantiation yeilds 'X' : invalid expression as a templ...
The old switcheroo (switch position in file)
Hi All, I would really appreciate if somebody could help me/offer advice on this. I have a file, probably about 50000 lines long, these files are generated on a weekly basis. each line is identical in terms of type of content. original file: address^name^notes but i need to perform a switch. i need to be able to switch (on each and...
Storing variable sized strings in structures
I'm reading a file in C++ using streams, specifically, fstream, not ifstream. blah blah blah\n blah blah\n blah blah blah blah \n end This repeats over and over with varble number of blah's in each line, constant number of lines between each end, end is the delimiter here I want to read one set of data, then store it in a characte...
How to determine if a string is a valid variable name?
I'm looking for a quick way (in C#) to determine if a string is a valid variable name. My first intuition is to whip up some regex to do it, but I'm wondering if there's a better way to do it. Like maybe some kind of a secret method hidden deep somewhere called IsThisAValidVariableName(string name), or some other slick way to do it tha...
String & variable Help needed - iphone sdk
Hey guys, I have this quick problem I need to solve. I have a string here like so: textbox.text =@"Your name is" then I want to add right after "your name is" a variable that displays text. so in Visual Basic I learned it like this... textbox.text =@"Your name is" & variable1. but now i can see that it doesn't work like that in c...
how do I test the format of a string?
Hi, Im having trouble matching the format of a string, the format is that of the .srt timing which is "00:00:01,000 --> 00:00:04,000", hour,minutes,seconds,mili seconds. how do I match this in a string? Im trying to add and subtract the time here. ...
Newline in constant
When the following code is run: Response.Write("window.open('BugSummaryForPrint.aspx?prjId=" + prjId + "&prjName=" + prjName','_blank')"); I get this error: Newline in constant Help! ...
how to create array string
hi all, i'm having NSMutableArray which containing student info, now i just want to extract student name and their average mark only, so what i did NSMutableArray *stuCollection = [[NSMutableArray alloc] initWithCapacity:[students count]]; for (int i = 0; i < [students count]; i++) { if([students objectAtIndex:i] != NULL) { N...
String References in C#
Hello all, this is my first post. I am selecting some fields from a database which are numeric id values e.g. 10,20,100,110 etc. These numbers actually mean something meaningful such as area. Ideally there should be a look up database table with matching ID and name field but there isnt and it has now become difficult to implement in ...
SQL Performing a search/replace search
I need to search a specific column for every occurrence of a string and replace it with a different string. The column is a MySQL TEXT column. ...