I wrote code to determine if a string is a palindrome of a permutation. This exercise was taken from Cracking the Coding Interview.
Code:
#include <iostream>
#include <string>
/*
* Determine if a string is a palindrome of a permutation.
* For simplicity, assume each string contains ONLY al...
Here's a small function to check if the property starts with [ or { and parse the value from a sting into JSON or an array. Properties might be a string or intiger also.
import { mapValues } from 'lodash'
export function resolveValues (data) {
return mapValues(data, item => {
if (item.mat...
I am writing a function to save ManyToManyField pk of relations to a model object.
The list of relations looks like this,
({'publisher': 16, 'category': 13, 'authors': [35, 36, 37]},)
and the function,
def function_to_update_pk(obj, relation='category', pk):
# do magic with relation, obj...
This is a piece from the complete program.
What it does is parses mathematical expressions of the form (+(*3,x),5) to 3*x + 5 and store it in an object of class Formula. Add,Mul, Div, Exp, X, Integer and Symbols are derived from Formula class. Recursive strategy has been used to parse formulae wi...
P L E A S E H E L P!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
How do I write a program that computes tuition and fees for student, based on the number of hours they take.
number of hours must be between 1-20
fees per hour taken is $32
Tuition is $1524 if greater than or equal to 12 and if it is less than...
The "parser state" of a module in rubberduck can be one of several values:
//note: ordering of the members is important
public enum ParserState
{
/// <summary>
/// Parse was requested but hasn't started yet.
/// </summary>
Pending,
/// <summary>
/// Project references are...
I've made this animation with jQuery and Animate.css.
Could be surely improved.
Currently I'm using 125 (5^3) different colors.
If one extends the amount of colors, or respectively the filling of the array one gets trouble with the computer-processing.
Perhaps one knows an alternative for u...
Consider I download my data into this data structures:
public class AThingDTO
{
int AID { get; set; }
string AName { get; set;}
Dictionary<int, BThingDTO> BThingsColl { get; set;}
}
public class BThingDTO
{
int BID { get; set; }
string BName { get; set;}
int AID { get; set; }...
My intent is to use this object to cache data from web responses. The cache object should only be valid for the current data.
var myCache = {
Cache: { Date: '', Data: [] },
AddData: function(Name, Data){
myCache.CheckCache();
myCache.Cache.Data[Name] = ...
I have 3 (or more) booleans and I want to implement a method that checks if exactly one boolean is true.
My code for achieving this is below, but can I simplify this somehow?
public static boolean checkIfOneBooleanIsTrue(boolean b1, boolean b2, boolean b3) {
return (!((b1 ^ b2) ^ b3 &&...
The following class holds an array with products that are generated from a Json file. This is what the json file looks like
[
{
"id": "A101",
"description": "Screwdriver",
"category": "1",
"price": "9.75"
},
{
"id": "A102",
"description": "Electric screwdriver",
...
I' a bit of a novice I was hoping someone could point out what I am doing wrong.
The idea is for searchArray to loop through array values &properties. It takes the arguments (property, value).
When I run the function I get an error saying that p/property (hostname) is undefined. Is there someth...
I'm a front end developer and I've been working in the field for about 4 years. In these 4 years I have never had a code review session with my team all I know is pretty much self taught so I was wondering if someone could take a look at my code and point out the smelly parts. To explain it in tw...
I have this method in my rails app:
def find_or_create_session(fbid)
@sessions = Session.all
if @sessions.find_by facebook_id: fbid
@session = @sessions.find_by facebook_id: fbid
if ((Time.now - @session.last_exchange).fdiv(60)).to_i > 5
@session = Session.create(face...
I'm trying to fetching the data and convert into json format. Some days ago I was using the mysqli but someone told me this is susceptible to SQL injections when i asked a question for code review. Now I'm trying to use PDO.
Php Mysqli (Oop Based)
$CompanyRes = array();
$Company = "select * fro...
I am writing a class that has a few std::string as member. I can't find clear guidelines how use them in a safe way. Are std::string any different then int when we are talking about class members? Do I initialize the strings in the correct way? (How) can I improve the constructor?
I made the fol...
I am trying to get an answer to this question.
Is the question wording bad?
Is the code bad?
Why has it not received any answers?
Thank you for any tips on how to improve the question so that it might get an answers.
Using a low-level database driver called mysql, I run a query against the database:
var connection = ...
var query = '\
SELECT \
`poll`.`id`, \
`poll`.`question`, \
`pollOptions`.`id` AS `pollOptions.id`, \
`pollOptions`.`text` AS `pollOptions.text`, \
`pollOptions`...
I am writing a program to simulate some parts of the popular game Hearthstone by Blizzard Entertainment in Java. The first thing that happens in any game is the selection of the character each player will play as, called the "hero." I decided to use JOptionPane to create dialog boxes for this sel...
I implemented a function removeDuplicates which takes 1 parameter, a std::string, and returns a std::string without the duplicate characters.
Example I/O might look like this:
removeDuplicates("hello"); //--> "helo"
removeDuplicates("this is easy"); //--> "this eay"
Here is the function:
std...
private static byte[] GenerateData(long size)
{
var result = new byte[size];
new Random().NextBytes(result);
return result;
}
Is it good, robust and efficient solution?
A project I'm working on requires a fullscreen overlay NSWindow that must be trusted to stay fullscreen no matter what. Rather than subscribing to
NSApplicationDidChangeScreenParametersNotification
... or
CGDisplayRegisterReconfigurationCallback
... it turns out that we might merely overri...
I am quite new to Golang. I am trying to write a script to read a csv file containing 1 million domain names, lookup these domain names and store the results in another csv file. I am trying the following code. But the number of records I am able to parse with time is quite less. I want to optimi...
So I have a been trying a lot of different htaccess codings to clean up my url
but am not even able to simply remove .html without something going wrong
Code Im using:
RewriteCond %{REQUEST_FILENAME}.html -f
RewriteRule ^(.+)/$ $1.html [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRul...
