I have created a PHP login system based off of this site. My main concern is: Is it secure? I chose that because to me it looked secure, but a 2nd or 3rd opinion never hurts. The idea of the project is to have something I can just pull into a new project directory and start off from there depend...
Implement your own Stack class using link list not array. Use your stack class to validate XML file. Read XML or HTML file in c++ using ifstream and then find all errors.
C++ program to read XML file from command line and validate XML matching case insensitive beginning and ending tags
Give err...
I was given the following question to answer as a part of the hiring test using codility. I would appreciate if any of you can give me the right answer for this problem.
Here is the problem description
A binary tree is either an empty pointer or a node that consists of an integer value and two...
Naming
I think what mostly hurt you is your naming style.
For one thing, the Tree class:
class Tree
{
public int x;
public Tree l;
public Tree r;
}
This class is bad for several reasons:
It's exposing its private fields;
Publicly accessible members have cryptic names;
The n...
how to hide an image in another image in java
By using Steganography we can hide text in an image. But how it works for image.
Anyone plz give me solution.
The code can be seen live here: http://jsfiddle.net/darcher/Kc5n8/1/
In an effort to reduce the images being used on the page, I've manipulated box-shading, etc. to make a "vector" looking monitor/ipad look.
This is great and all, gets the job done, however, seems there is still a large load d...
I'm working through some exercises to sharpen my Ruby skills. The following code is how I solved this particular question. I'd like to know what other developers think of this solution. I'm self taught, which means: I'm not getting any feedback as I learn, so I just want to make sure that I'm lea...
In the Help Center, under What topics can I ask about here?, one of the rules currently states:
However, if your question is not about a particular piece of code and instead is a generally applicable question about …
Best practices in general (that is, it's okay to ask "Does this code...
I'm new to PHP security and have made this login file:
<?php
header('Content-type: application/javascript');
$hostname_localhost = "";
$database_localhost = "";
$username_localhost = "";
$password_localhost = "";
$salt1 = "";
$salt2 = "";
$localhost = mysql_connect($hostname_localhost,$userna...
I agree that this is a bad rule.
First, I reference the wiki for best-practice (emphasis of mine).
Best-practice questions generally involve a short excerpt of code with
a question of general interest, usually focused more on
maintainability concerns than the algorithm to solve the task ...
I wrote some Python code to solve the following problem. I'm curious to see if someone else can find a better solution, or critique my solution.
How would you design a stack which, in addition to push and pop, also has a function min which returns the minimum element? Push, pop and min should ...
I have a function that reads a string like this
(AnimalCount+HumanCount)
and the result of this function is an array of strings
[ "(" , "AnimalCount" , "+" , "HumanCount" , ")" ]
Now, I have done 2 functions in order to do this:
The first one to check if a given char is "special" from the ...
Here are the specific questions I have:
1. Is there a more efficient way to perform these searches without resorting to so many time-consuming nested loops?
2. Is there a more efficient and effective way to sort my outages by the outage duration (integer), while still keeping that duration asso...
I want to write code that does backward stepwise selection using cross-validation as a criterion.
I have only started learning R a month ago and I have almost zero programming experience prior to that. Hence, I would appreciate any comments on the code.
(I understand that there are issues with ...
