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I have problem to execute select query, 'Select' function do not work, could you help me with it?
here is DB.php class, on the end of class is Select function.
<?php
class DB{
private static $_instance = null;
private $_stmt,$_query,$_error=false,$_results,$count=0;
public function...
2
Work continues on the Rubberduck VBA Editor Add-in. I have a need to call some VBA code from the add-in with Application.Run. Unfortunately, the Application part of that refers to the particular Office Application that is hosting the VBA editor. So, if I'm working in Excel, Application refers to ...
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I'm writing a program for magic square and I'm a relative beginner to c++ and programming. I was hoping someone could help me find alternate or better ways to implement my code. This is the main function. Also I entered a function to check if the input is odd, max 19, and to quit.
1) Simpler num...
This is my final post for my CS1 sega. Mostly all I had to do was just "class-ify" my past project in this post. Here are the requirements:
Make all data members private and use constructors, accessors and
mutators. Enhancement: Build data verification into the member functions.
I'm mos...
Code on this topic has been posted before, but I'd like to present my own implementation to hear what others think.
I'm going to swap a few of the details and keep it simpler than my real application to better examine the structure.
BookList/index.php (controller)
<?php
// first to avoid heade...
I have three factories file namely, mortgage_loans.rb, interest_rate_ref.rb and banks.rb
mortgage_loans.rb
FactoryGirl.define do
factory :mortgage_loan do
factory :interest_mortgage, parent: :interest_rate_reference do
association :interest_rate_reference, factory: :interest_...
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Here we are, with another year [almost] behind us. 2014 has been very, very special on Code Review, and that has been completely because of you.
Here are the top-voted questions asked for each month of the year:
January: Nesting versus GOTO: which is better to avoid?
February: Verifying passwo...
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I have a parser that is supposed to take a string similar to a math expression and return a Tuple of:
An array of strings where each string corresponds to one 'element' (number, operator, func name).
An array of custom enum indicating whether corresponding string in array is Name, Number, etc....0
I recently rewrote a piece of software to practice unit-testing. I decided to constrain myself and do dependency-free code, so I can do better and easier tests. I came to the following solution while writing the methods that deal with files :
/* foo.go */
package main
import (
"io"
"os"...
I made simple program for my study that calculates words in text file and print every word and its repeated times in the file.
How to improve this code?
#include <future>
#include <iostream>
#include <fstream>
#include <unordered_map>
#include <string>
#include <vector>
#include <algorithm>
#in...
Hello I have built a spell checker and I am adding some words to an XML document so that i can have user dictionary's.
here is my code
$.ajax({
type: "GET",
url: "words.xml",
dataType: "xml",
succe...
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If I have received an answer that states "you should use more comments, I can barely tell what these functions do", and I see that I do use comments, but I only put them in the header files, why should I be restricted from posting the header files?
They were there before, I just didn't think of ...
Need to simplify the below code as well LINQ query
var data = from linq_row in trend_data.AsEnumerable()
group linq_row by linq_row["questionnaire_uniquename"] into g
select new
{
questionnaire_uniq...
I have the following model:
# == Schema Information
#
# Table name: clients
#
# id :integer not null, primary key
# first_name :string(255)
# last_name :string(255)
# email :string(255)
#
class Client < ActiveRecord::Base
def full_name
if first_name.blank? && la...
Discussion between Pimgd and nhgrif
Imported from a comment discussion on meta.codereview.stackexc...
Your first code block has a bug which was pointed out by @janos. The second block produces the right answers. But, there's an even better way to do this calculation, and it's a type of problem that is common in computer programming....
What is the least I need to do to cover a given range?
In t...
6
Being my first time archiving data to the file system, I would like to have my code reviewed. This simple test project works as expected, but I want to see if what I am doing is following best practices. You open the app, put in text for the textfields, press button and strings are saved and di...
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I'm trying to detect deposits that user will made. I explained it with comment lines in below.
Can you say are there any flaw in it?
var _ = require('underscore')
var check = function(client, site) {
// check last 10 transactions
bitcoin_client.cmd('listtransactions', '*', 10, function...
A finite-state machine (FSM) or finite-state automaton (plural: automata), or simply a state machine, is a mathematical model of computation used to design both computer programs and sequential logic circuits. It is conceived as an abstract machine that can be in one of a finite number of states. The machine is in only one state at a time; the state it is in at any given time is called the current state. It can change from one state to another when initiated by a triggering event or condition; this is called a transition. A particular FSM is defined by a list of its states, and the triggeri...
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I think what you've got here is looking pretty fine. You could move the comment explaining that it's recursive to the function header if you want it to be more explicit. The recursive function isn't doing anything strange, though.
Usually, with recursion, one can unroll the recursion to be itera...
Is this OK? (.Net 4.5)
try
{
StreamReader sr = = new StreamReader(ValidFilePathName);
line = file.ReadLine();
While (line != null)
{
line = file.ReadLine();
}
sr.Close();
}
catch
{
// blah Do nothing
}
I feel like there is something wrong with my pattern her...
I am writing a card game in Javascript. The game is played with a 32 card deck.
When a card is selected to be played by a user, i do a validity check on the server to check whether it matches the games rules.
These are
A card may be played when it matches either the color or the value of the ...
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#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
void parse(char *line, char **argv)
{
while (*line != '\0') { /* if not the end of line ....... */
while (*line == ' ' || *line == '\t' || *line == '\n'...0
Given a community division I need a list of vertices that have edges in more than one community, i.e., boundary vertices.
I've tried this:
import igraph
import time
if __name__ == "__main__":
g = igraph.Nexus.get("condmatcollab2005")
tic = time.clock()
cl = g.community_fastgreedy(...0
I'm writing my first C# Windows Store app and am learning C# from scratch. I'm trying to implement MVVM as I understand it and object orientated patterns, obviously though I'm expecting to be doing it wrong so looking for pointers as to what I should improve.
Below is a method that gets called ...0
Piecing together an Enemy script to attach to my characters. This is the portion that related the a game objects ability to patrol to given locations. Basically, patrolPoisitions are exactly what they say; they are defined in the editor. This is only the pertinent portion of the code, so there mi...
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The question for reference:
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143?
answer: 6857
I'm looking for general feedback as to style and particularly usage of the STL. Efficiency is a concern but a simple link to a better algo...
0
Just wanted to gage how solid this code is. With moment cracking down on lazy formatting I thought this was a good way to parse the string for what format to use.
var string = $this.attr("data-date");
var withoutTime = "YYMMDD";
var withTime = "YYMMDDHHmm";
var format = function(){
if(string.l...
I'm expanding the functionality of this SO answer: http://stackoverflow.com/a/26454949/3804019
Mainly I'm focusing on:
You can add as many handlers as you want.
You can remove (i.e. cancel) the handler.
You can receive the sender parameter in the handler closure.
You can add "oneshot" handler....0
The differences between the two pieces of code are piling up.
The ones that I notice right away are the differences in the style or formatting
Let's first format them the same so that we can tell what is actually different.
This is the Second Piece of code, in which there are still some thing...11
As 2013 comes to an end, I thought it was time that someone other than retailcoder reflected about what has happened around here.
Looking back on a regular week in January, 2013, the top user earned 217 rep. Looking back at a not so randomly selected week in February, the top user earned 535 rep...
In .NET 4.5.1, it uses a fixed buffer size of 81920 bytes. (Earlier versions of .NET used a fixed buffer size of 4096 bytes, and it will no doubt continue to change over time.) There is also an overload where you can pass your own buffer size.
The implementation is very similar to yours, modul...0
Here is a "hello world" simple skeleton I wrote to get started on an HTML5/javascript game. I converted it from a python example provided in Coursera's "An Introduction to Interactive Programming in Python" which demonstrates how to start moving a ball around a canvas using arrow keys.
I did thi...
I have a list of strings where I want to find the index of a first- and second-choice video compressor.
Logic: If the first choice is available, return its index. If not, and the second choice is available, return its index. If not, return zero.
Here is what I have now:
List<string> availableV...
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