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.
5
votes
2answers
214 views
Identifying which paragraph, if any, is a superset of all words in a document
Description
need to find out the paragraph number which is containing all the words in the file.
input file java.txt
What is a JVM?
What is the most ...
6
votes
2answers
115 views
Splitting three comma-delimited strings
I've been reading about loops this morning, to try to improve this snippet of code:
...
2
votes
2answers
215 views
Text tokenizer - extract words and positions from text
I have Set of character delimiters (DELIMITERS), eg . ...
3
votes
2answers
43 views
Titleize words in a sentence but with some conditions
Below is the code I have written to capitalize all the words of a sentence except if
The words belong to the littleWords list.
The word would be capitalized if it's the first word of the sentence ...
2
votes
2answers
116 views
4
votes
5answers
106 views
Optimising single-delimiter string tokenisation
I am trying to optimise my tokenizing of tab delimited strings:
...
0
votes
1answer
33 views
Permutations of a string
I wrote the following code to permute the characters of a string assuming there is no repeated character.
I also want to make sure the space complexity of this algorithm is \$O(n*n!)\$: There are ...
0
votes
1answer
24 views
Natural sorting/comparing algorithm in TypeScript
This code sorts string that may contain numbers in natural order, that's it, "item 2" comes before than "item 10". It currently ignores case. I plan to implement options to handle case sensitivity and ...
1
vote
2answers
24 views
String appending function (location-independent)
Very useful operation that hasn't been merged into a function.. until now.
This is supposed to insert a substring into a previously d.allocated source string.
...
1
vote
2answers
33 views
Work out if a string is “fieldname” or “tablename.fieldname”, and assign variables
Is there a neater way to write this code?
...
3
votes
3answers
139 views
3
votes
2answers
59 views
Counting the proportion of vowels in substrings
I'm looking for an algorithm to make my code faster and better for big strings.
Problem link
Let the simple prettiness of a string be the count of vowels (I, E, A, O, U, Y) divided by the length of ...
6
votes
2answers
53 views
Basic String class
I wanted to create a basic String class that will hold a CString and have:
constructor, destructor, copy constructor
...
1
vote
1answer
27 views
Read file directly - simplified
In order to read a whole file as a string using standard libraries you have to allocate memory, terminate the string, determine size of the file and size of each element.
This could happen with ...
6
votes
1answer
77 views
A super string cleaner
I need a method that clean up a string considering these few rules:
Remove or not Spaces
Remove or not Special Chars
Remove or not Numbers
Descaptalize or not the string (this is don't really needed ...
2
votes
2answers
153 views
Get alpha numeric count from a string
Following is the code I am using to find a separate count for alphabets and numeric characters in a given alphanumeric string:
...
1
vote
2answers
35 views
Checking consecutive characters in a string
First of all, this code will ask for a number (first) on how many test the user would like to have. Then the user will input the strings depending on how the number entered.
...
5
votes
4answers
51 views
C readline function
I wrote this function for my next learning project (cfg parser). What do you think about it?
...
2
votes
0answers
32 views
Representing Objects as strings in VBA
I am working an a more meaningful way to print objects in VBA. The desired result should look something like this.
...
10
votes
3answers
488 views
Usage of StringBuilder for returning copies of a string
Given a string and a non-negative int n, we'll say that the front of the string is the first 3 chars, or whatever is there if the string is less than length 3. Return n copies of the front:
...
6
votes
4answers
205 views
Readline function
I have developed a readline function in C and I want to know your opinion on it:
...
4
votes
1answer
49 views
Multiplying Lists
Challenge:
Given 2 lists of positive integers.
Write a program which multiplies corresponding elements in these lists
Specifications:
Your program should accept as its first argument a ...
1
vote
1answer
33 views
Cutting substrings in Haskell
How can I improve readability of this code? indentChar needs to be reused elsewhere.
...
2
votes
0answers
53 views
Function to split a given string according to predefined patterns
Just started to use PostgreSQL and want to be sure that I'm not making any mistakes.
Here's a function that splits given string according to predefined patterns. It's part of a trigger function used ...
1
vote
0answers
44 views
Matching file names to an array of product SKUs
The Challenges:
There are many SKUs, (around 50,000) which I'm trying to match to around the same number of image files.
SKUs contain characters that are not legal in filenames, which must be ...
12
votes
2answers
499 views
Reverse a sentence quickly without pointers
I am trying to reverse a sentence contained in a string and return a string in the quickest way possible using the least amount of memory. Also I don't want to use any unsafe code, so no pointers are ...
3
votes
2answers
134 views
Uppercase the initial char of every string in a list
My problem is that I have a sequence, potentially infinite, of strings. Let's suppose it to be
{"Mickey Mouse", "Bugs Bunny", "Winnie the Pooh"}
I have to make ...
4
votes
1answer
33 views
String manipulations (reverse a string by characters, permutation)
I'm trying to solve simple Java problems in various ways. Could anyone comment about the code, like how it could be better, and what could be a problem?
...
8
votes
5answers
853 views
Assembling a user agent descriptor, implemented using StringBuilder vs String
I think performance won't be a big issue here as the concatenation only happens once (2-3 at worse because of multiple threads). Out of the two methods, which one would you prefer, in terms of ...
1
vote
1answer
33 views
Memory searcher function test
This is part of the project I started just now. It is a function that returns the offset address of a first occurrence of a string match into a given range of memory blocks.
...
-2
votes
1answer
40 views
Clojure koans 14 - converting a map to a string
The koan is at the end of this snippet. It requires you to write a function to convert a map to a string, and then prepend a full name to it.
The following solution works fine. I am just wondering if ...
13
votes
1answer
470 views
Capitalize the first character of all words (even when following a '-')
I got it working, all variations are displayed Sint-Anna as should be, but I wonder, is there a simpler way to this, since it looks very cluttered?
...
3
votes
2answers
47 views
Python path-breaking script for use in R
R does not support line continuation as Python, and it's disturbing to have long file paths like
/media/user/data/something-not-very-important-but-super-long/some-curious-secret-file.pdf
and ...
3
votes
1answer
76 views
Finding the shortest substring containing keywords
Problem: Write a function that takes a String document and a String[] keywords and returns the smallest substring of ...
5
votes
2answers
227 views
C# approach to prevent null references in strings
My insight here is that it's usually not useful to distinguish between null and empty strings. Sometimes it is, but usually not. Usually I like to assign my strings ...
3
votes
1answer
48 views
All balanced parentheses for a given N
Write a function (in Haskell) which makes a list of strings
representing all of the ways you can balance N pairs of parentheses:
Example:
...
3
votes
4answers
166 views
Java vs C++ (JAVAC)
Here's the problem for Java vs C++ (JAVAC):
Java and C++ use different naming conventions.
In Java a multiword identifier is constructed in the following manner:
The first word is written ...
2
votes
3answers
123 views
Counting the UpperCase, LowerCase, Numbers and Special Characters in a String
I'm making a Java program that will analyze the given String by counting the lowercase, uppercase, numbers and special characters. Is there a way by making it functional?
...
1
vote
2answers
46 views
Regex to Match Email address
I have the below regex to match email address with atleast one @ and one .
...
3
votes
3answers
77 views
14
votes
2answers
838 views
The Breakfast Club attendance
This code checks a string called breakfastHours similar to
1567
which translates to Monday, Friday, Saturday, Sunday.
...
6
votes
1answer
633 views
Implementing a C++11 raw string class
I'm trying to implement a RawString class that conforms to C++11:
...
2
votes
2answers
54 views
Ordering Gallery images by custom order
I wrote some code a few weeks ago, to take a string similar to
seq[]=8&seq[]=7&seq[]=5&seq[]=1&seq[]=4&seq[]=3&seq[]=6&seq[]=0&seq[]=2
and put it into a gallery, ...
1
vote
1answer
31 views
Print all subsets and permutations of a string
The following code is designed to accept a string from the user that is at most 5 characters long. It will then find each possible substring of the string and print all possible permutations of each ...
4
votes
3answers
148 views
Extracting numbers before colon
I need to extract all numbers before a colon in a string, e.g.:
abc1234:blah -> 1234
5n63:124 -> 63
stringwithnocolon -> ""
stringwith:nonumber -> ""
Limitations:
no external dependency (looking ...
4
votes
4answers
196 views
Truncate String to target length using only whole words
I've got a bit of code that I'm wanting to tidy up. The aim is to take a String that consists of multiple words connected by a separator (It's produced using ...
5
votes
2answers
105 views
Get line from string function
I have asked a previous question but at the last moment I realized that the code does not work as intended as it has some small bugs.
I got some ideas for improvement though, but they didn't seem to ...
-2
votes
2answers
51 views
2
votes
1answer
74 views
Determining the existence of string Intersections
Problem:
Given 2 strings, consider all the substrings within them
of length len. Len will be 1 or more.
Returns true if there are any such substrings which appear in both strings.
Compute ...
3
votes
1answer
83 views
Finding the length of the largest run
Note: A run is a series of adjacent chars that are the same.
I just want to answer a few questions:
Is this readable?
Does it need commenting or is it self-descriptive enough?
Are there any ...
