So I have written a custom iterator for std::map that allows access to just the keys of the map and I was wondering if it is the "correct" way to implement std::iterator.
Here is the implementation I have written:
template<typename K, typename V>
class MapValueIterator : public std::iterator<st...
Once upon a time, there was a duck that wanted to know where and how user code was calling into the VBA standard library and Excel object model. To match the rest of its API, the poor little duck had to dig through pages and pages and pages of MSDN documentation, and instantiate a Declaration obj...
I decided to try to understand the basic idea behind Dijkstra's algorithm better so I implemented it in JavaScript (the only language I am proficient in as of now) so I could really see what was happening in the Chrome debugger.
I chose not to use a priority queue or a heap in my implementation,...
This is only used on Mac machines. I know that there is a Python implementation of youtube-dl and several for ffmpeg, however I chose to use subprocess so that I can see the real-time stdout/stderr of them while videos are downloading/encoding.
The goal
Using youtube-dl and ffmpeg
Easy to use...
I wrote a simple python script that will calculate income for a given month and hourly wage by parsing the contents of a log file. The instructions for how to use it is in my GitHub account here:
https://github.com/palpen/wage_calculator
It's very simple and I was wondering if there was a way t...
I'm using TurboPower LockBox for the first time, and using the TwoFish algorithm to first encrypt a password, and later retrieve the password by decrypting the generated hash.
I would like to know if the approach that I'm using is good, and if there are any pitfalls to avoid. Its a simple use c...
The following code was written to be a submission to this challenge on PPCG.
It uses this algorithm, the Meissal-Lehmer method. I follow the wikipedia entry pretty naively.
I am looking for ways to improve speed. Most improvements I believe will come from optimizing the phi function, which is...
I've implemented a singly linked list in Java as a practice exercise and would appreciate a review.
LinkedList.java
public class LinkedList {
private Node head;
private int size;
public LinkedList() {
}
public void addToEnd(char data) {
addAtIndex(data, size);
...
I'm learning to program with PHP, so I ask your help to check if my class user.php is ok.
include('password.php');
class User extends Password{
private $_db;
function __construct($db){
parent::__construct();
$this->_db = $db;
}
private function get_user_hash($us...
The code bellow generates all the permutation(with repetitions) for given character set. Is there any better(simpler, more performant) way to do that?
var assert = require('chai').assert
var _ = require('underscore')
var multStr = function(left, rigth) {
return _.chain(left).map(function(el) ...
I've implemented a "remember me" automatic login if no session has been set, but a remember me cookie is on their computer. I'm concerned about security and I'm not the best. I'm relatively new to OOP (just started a learning a week ago).
$database = new db;
if (isset($_SESSION['info'])){
$to...
I am able to read all xml files in a directory but I have trouble in outputting the result into each txt files. Eg, I want to output 1.xml to 1.txt. How can I do so? I am new to python and text processing.
import os, glob, re
from xml.dom import minidom
#path = ('C:/nltk_data/tutorial/*.xml')
#...
I have to flatten a large number (>300k) dicts to write them to a csv file.
Example:
dict = {
a: b,
c: [
{
d:e
},
{
f:g
}
]
}
becomes:
a, c.0.d, c.1.f
b, e, g
The dicts can be really big with a lot of dicts as values.
My func...
I'm looking for suggestions to improve my algorithm for the identification of low-level jets in wind data. I have wind measurements at several heights, and I want to identify jets according to the following description:
the lowest maximum of the wind speed profile in the lowest 500 m of the a...
We had to write a program that would perform circular shifting of elements in an array. The array size was entered by user, so it had to be in a sense, dynamic.
On Circular Shifting
Initial Array: 1 3 7 4 8 6 5 2 9
Shift by: 4
Final Array: 6 5 2 9 1 3 7 4 8
Notice, in circular shifting, ...
I want to implement code for inserting a new Node in a binary search tree in java so please check if my code is correct ,,, Here is my method :
public class BinarySearchTree {
…
public boolean add(int value) {
if (root == null) {
root = new BSTNode(val...class Program
{
static void Main(string[] args)
{
var s = Serialize(new BackgroundJobInfo {Text = "toto", BackgroundJob = new BackgroundJob { Password = "pass"}});
var myJob = Deserialize(s);
}
public static string Serialize(BackgroundJobInfo info)
{
u...
Sorry for being a little abstract but I have attempted to concoct something simple but it seems to spiral out of control. So I was thinking maybe I am taking the wrong approach.
Here's what I am trying to do:
When I get a message it gets de-serialized into its own class. I would like to use...
Is there a program around that can generate (UML) class diagrams from Java source code?
There is a reason I am not using Eclipse, regardless of whether the reason makes sense, therefore I do not want to rely on an Eclipse plugin for generating the diagram.
I'd actually want it for usage on Java...
I have rewritten some my C# code to F# and run into F# Expression linq madness, I believe I'm doing something wrong.
member x.PerformTermQuery =
_client.Search<Post>(
fun (s: SearchDescriptor<Post>) ->
s.Query(fun (j:QueryContainerDescriptor<Post>) ->
j...
I wanted to make a program for running background jobs (ruby scripts).
The goal was to continuously run a background script on an interval of N seconds until a kill command was issued.
See below for my implementation:
class Backgrounder
attr_accessor :process_name, :interval, :script_content...
Uri uri = new Uri("https://www.instagram.com/");
CookieContainer _cookieJar = new CookieContainer();
public string Cracker(string username, string password)
{
try {
HttpWebRequest request1 = (HttpWebRequest)WebRequest.Create("https://www.instagram.com/");
...
