A string is a sequence of characters. It is commonly used to represent text or a sequence of bytes. Use this tag along with the appropriate programming language being used.
3
votes
3answers
179 views
More portable toLower() implementation
I am challenging myself to try to attempt to write a function that is as efficient, portable and failsafe as possible. The function is very simple and just converts a ...
6
votes
4answers
323 views
Summing digits of an alphanumeric string
I am going through the Java CodingBat exercises. Here is the one I have just completed:
Given a string, return the sum of the digits 0-9 that appear in the ...
0
votes
0answers
12 views
Text not centering (Java, awt.Rectangle, awt.Graphics) [on hold]
if anyone wants an excuse to always back up your computer, let programming be it.
While making a game, I thought I should separate my project into the core game and the main menu. I'll see how that ...
4
votes
3answers
55 views
Case insensitively removing a substring, efficiently
I am going through the CodingBat exercises for Java. I have just completed this one:
Given two strings, base and remove, ...
1
vote
1answer
29 views
Repeated string concatenation
I've been looking for a way to have a predicate that establishes that all elements of a list are substrings delimited by a given string. Analogues in other languages include: ...
-2
votes
2answers
29 views
Extracting first initial and last name [closed]
How can I do this better?
$a = "Tom Smith" ; $e = $a.substring(0,1)
$ee = ($a).split(" "); $y = $e + $ee[1]; $y
TSmith
1
vote
4answers
91 views
Redacting everything in a string except a particular word
I am working through the Coding Bat exercises for Java. Here is one I have just completed:
Given a string and a non-empty word string, return a version of the original String where all chars have ...
6
votes
2answers
181 views
Removing Asterisks and neighbors from a string
I am going through the CodingBat exercises for Java. I got to this problem:
Return a version of the given string, where for every star (*) in the string the star and the chars immediately to its ...
-1
votes
0answers
16 views
Longest Triangle Path [closed]
How can I find the path of each number that returns the largest route?
...
3
votes
1answer
46 views
A trivial command line utility for trimming whitespace from lines in C
I was practicing some C and decided to write this simple command line utility for stripping leading and trailing white-space characters.
Note: see the next iteration at A trivial command line utility ...
5
votes
3answers
214 views
Find common characters
Given two strings, find the common characters.
Is there better implementation for this problem?
...
3
votes
2answers
70 views
Simple string hashing algorithm implementation
I thought of a simple way to hash a string. By taking the ASCII decimal value of each character, multiplying it by 10, and adding all of the values computed together for each character in a string. Is ...
5
votes
1answer
182 views
Counting occurrences of substring in string
I need to know how many times a substring occurs in a given string. I figured that I might as well create an extension method:
...
1
vote
2answers
38 views
Counting length-2 substrings that are common to two strings at the same offset — Python
I solved the CodingBat task:
Given 2 strings, a and b, return the number of the positions where they contain the same length 2 substring. So "xxcaazz" and "xxbaaz"
yields 3, since the "xx", ...
5
votes
2answers
134 views
Counting length-2 substrings that are common to two strings at the same offset
I am working through the CodingBat exercises for Java. I just completed this one, an exercise that requests the comparison of substrings of two strings:
Given 2 strings, a and b, return the number ...
4
votes
2answers
70 views
Text files: Copy, Rename, Append/Merge together
I wrote 3 subroutines related to batch data processing, they will be used together. A bit of background, I wrote this for my admin colleagues who do not write code. An application dumps daily ...
2
votes
2answers
123 views
Extracting a Decimal from a string
I have the following method which extracts a decimal value from a string.
...
2
votes
2answers
87 views
Converting file from Markdown-like markup into HTML using repeated substitutions
The following code reads a file, splits its data, replaces some characters in the data, and then joins the data again (I added more details in the comments):
...
4
votes
2answers
56 views
Iterating over the lines of a stream
This structure is supposed to iterate over the lines of an input stream, using std::getline. Any remark is welcome!
...
2
votes
1answer
152 views
Maybe getting a character from a list of strings
I'm trying to transition from JavaScript to PureScript (a Haskell spinoff that transpiles to JavaScript). For starters I coded this:
...
4
votes
2answers
263 views
Evaluating an expression with integers, +, and *, as well as -, /
There is a job interview question, and the source of the question is here.
The solution is pretty simple. We just need to split the input string by + and then by *. Then we compute products in a ...
1
vote
1answer
55 views
String reverse function
Are there more optimization possible in this code to achieve better performance and minimal memory usage?
...
4
votes
1answer
84 views
Cleaning a WPA wordlist
I have a short bash script that processes gigs and gigs of data. I am looking for any improvements to make it faster. This is my very first bash script so please be gentle. I am really only ...
6
votes
2answers
194 views
K&R exercise 1-19: reversing each line of input
This is my solution for exercise 1-19 of K&R:
Write a function reverse(s) that reverses the character string s. Use it to write a program that reverses its input a line at a time.
It works, ...
5
votes
2answers
73 views
Knuth's Word Wrap Algorithm in Haskell
I put together a Haskell function for Knuth's word wrap algorithm. A simplified version of the algorithm is described here.
I've already been told that there are certain aspects of my style that are ...
2
votes
1answer
65 views
Finding the common prefix in a list of strings
Given a list of strings, my task is to find the common prefix.
Sample input: ["madam", "mad", "mast"]
Sample output: "ma"
...
2
votes
1answer
38 views
Python function to strip inline repr'd unicode strings
I have to write a python function that takes a string that contains raw unicode strings (e.g. "u'hello' there") and transform it into a string that strips the ...
3
votes
1answer
52 views
Searching for a substring in a ring queue
I am implementing a function which searches through a ring queue for a given substring. The function returns true if the substring is found, otherwise false. There is a cell containing null between ...
4
votes
0answers
26 views
Perform a contains-ignore-case with multiple search-tokens
I had a look on Stack Overflow etc. on how to perform a contains ignore case with n given strings. Most answers suggested using regex for this task. Although it's a valid option, I prefer doing ...
14
votes
2answers
509 views
Python-like C string library
Most of the C code I have written has never been seen by anybody else, and I wonder if my code follows normal practices, especially how my code performs security-wise. The code is for a library that I ...
10
votes
2answers
115 views
Lazy String.Split
C#'s String.Split method comes from C# 2.0, and lazy operations weren't a feature back then. The task is to split a string according to a (single) separator. Doing ...
7
votes
1answer
79 views
Formatting an ID string
I'm working with an API which gives me 19-digit ID numbers, formatted in blocks of four except for the last 3 digits. While I tried a for loop, I thought it would be most efficient to simply use a ...
8
votes
4answers
302 views
Checking if a string is a pangram
This checker works perfectly but I have a strong feeling that I could make this script much more compliant with the "Zen of Python", especially having read a book about it recently. There is no doubt ...
2
votes
1answer
45 views
Converting a string to a corresponding type in JavaScript
I need to convert a string value to its primitive type in JavaScript. Other values that are not of type String should just be returned.
Example:
String '...
2
votes
3answers
64 views
isSubstr in C++
I'm trying to implement a function to determine if a substring is indeed a substring of a string s.
This is what I came up with but I feel that there must be ...
1
vote
2answers
52 views
Edit distance between 2 strings
I have written a program that calculates the "cost" of transforming one string into another. I would like you to review it.
...
4
votes
1answer
46 views
Anatomy of a string-reversal program with less coupling
I'm currently trying to improve my C understanding. Would you mind telling me if there are good/bad things that I did here? (I implemented a function to reverse a string in place).
For example things ...
1
vote
1answer
72 views
Checking whether one string is a rotation of another
Given a method isSubstring, two strings s1 and s2, check whether s1 is a rotation of s2 using only one call to isSubstring.
Any comments on the code below?
I would like to check the complexities ...
-2
votes
1answer
34 views
Conditionally splitting a string [closed]
My requirement is:
dest = comp ; jump // Either the dest or jump fields may be empty. If
dest is empty, the "=" is omitted; If jump is empty, the ";" is
omitted.
So I may have something like ...
2
votes
1answer
27 views
C function delimiates strings using a single character array
I am a complete noob to C and I've shied away from using such a powerful language due to it's large learning curve and other complicated mechanisms. For my first minor project I plan to create a small ...
2
votes
4answers
56 views
A function that reverses a string of characters
My problem is in writing a function reverse(s) that reverses the character string s, a line at a time. My code here works, I ...
3
votes
1answer
85 views
Python Longest Repeat
I am trying to find the longest repeated string in text with python, both quickly and space efficiently. I created an implementation of a suffix tree in order to make the processing fast, but the ...
2
votes
4answers
142 views
Java String search and replace [closed]
I would like to search a String, and for a certain word, I would like to change only the first 3 letters
For example:
This is a java institute which insures ...
2
votes
4answers
113 views
1
vote
0answers
35 views
12
votes
4answers
541 views
Generating an ordinal number for the day of the month
I am relatively new to programming and came across an if statement that I believe to be a bit verbose. I have tested my code and it appears to work without any ...
1
vote
1answer
36 views
5
votes
3answers
105 views
Project Euler #8
I was doing Project Euler #8, which asks:
The four adjacent digits in the 1000-digit number that have the
greatest product are 9 × 9 × 8 × 9 = 5832.
...
3
votes
1answer
45 views
Acquiring indices for anagrams of an input string
I am working on an interview question from Amazon Software:
Design an algorithm to take a list of strings as well as a single input string, and return the indices of the list which are anagrams of ...
4
votes
1answer
50 views
Binary Digits to ASCII Characters
I wrote this code, as a novice a to Prolog, for a challenge posted on /r/DailyProgrammer. The formal description of this challenge, as presented in the prompt reads:
Input description
On ...
