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Visual FoxPro is a data-centric, object-oriented, procedural, programming language produced by Microsoft. It is derived from FoxPro (originally known as FoxBASE) which was developed by Fox Software beginning in 1984. It contained the fastest PC-based database engine available at the time. Fox Technologies merged with Microsoft in 1992, after which the software acquired further features and the prefix "Visual". The database engine became known as the Microsoft Jet Database Engine which was used by Microsoft Access. The last version, (FoxPro 2.6) worked on Mac OS, DOS, Windows, and Unix: Visual FoxPro...
I have spent a good deal of time creating this form, and all was well until I tried to concatenate my PHP variables. I have no experience with PHP, but I have come a long way over the last week.
I am trying to concatenate my 3 $areacode variables with my 3 $phone variables.
I want the area cod...
/*
* array-based queue implementation by using void*
* written by kidkkr
* May 6 '16
*/
#ifndef QUEUE_H
#define QUEUE_H
#define QUEUE_CAPACITY 10
#include <stdio.h>
typedef struct {
void* data[QUEUE_CAPACITY];
int head;
int tail;
int size;
} Queue;
void initQueue(Queue* p...
I need a custom exception for network errors that holds a related exception and more than one URL (the first one as the used service has its URL but it indirectly calls other URLs), so I wrote this:
class ExtendedNetworkError(Exception):
def __init__(self, reason, *args, **kwargs):
...
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At my new job, with new young developers, we are seriously discussing improving code structure and performance. (They keep more than 80 lines of code in a method). However I've read more tutorials, and based on my experience, I think I should use some method to wrap that code by its conditional a...
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I need to find 2 different string and compare their hash value. Both string must contain "abc". I looking for the first eight character that are the same and stop. I have been running for more than 24 hours and still not found. My code has no problem running but i am wondering is there any more e...
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I've made a small thread pool that i'll be using to communicate with a Redis server:
#include stuff
redox::Redox rdx;
void my_cool_function()
{
// do stuff with rdx
}
int main()
{
rdx.connect("localhost");
int max_threads = std::thread::hardware_concurrency();
std::vector<std:...
This question is part of a series solving the Rosalind challenges. For the previous question in this series, see Wascally wabbits. The repository with all my up-to-date solutions so far can be found here.
Problem: PROT
The 20 commonly occurring amino acids are abbreviated by using 20 lette...0
I'm trying to learn some powershell using the Advent of Code Challenges. I am currently stuck and I am hoping you can help me figure out what I'm doing wrong.
This puzzle has proven to be quite the challenge. It involves Bitwise operators with input as strings. Here is the puzzle prompt http://a...
'use strict';
const config = require('../config');
const logger = require('../logger');
const streamName = config.kinesis.streamName;
let records = [];
module.exports = (kinesis) => {
let sendRecords = (listOfRecords, callback) => {
let payloadRecords = {
Records: listOfRecords,
...0
0
I am using Asp.Net Identity as membership system and want to give permissions or restricting users for accessing controllers and actions. For example, a user or role will have write, read, export permissions to the Sales controller.
I am planning to create a "Modules" table to store all controll...
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I have written a solution in Clojure for the following question:
When starting from the number 1 and adding three numbers on each row
a 3x3 matrix is formed as follows:
1 2 3
4 5 6
7 8 9
Starting from the upper right and spiraling inwards in a clockwise
direction the follo...
I've found a few places where control updates take longer than the redraw cycle.
I started off surrounding them with Suspend and ResumeLayout:
container.SuspendLayout();
updateControls();
container.ResumeLayout(true);
After doing that a few times, I realized it could be refactored into a c...0
I'm writing a program that has to check which are the two largest three digit numbers that are missing from a text file. I'm writing this in C++ and I'm trying to solve the mystery in a while loop. How can I "move" the search back to the beggining of the text file? More explicit: if the checking ...
I am working on refactoring this method on the API. Its very slow, and can take the browser 12+ seconds to recieve the result from the API.
Basically the method gets all products with a particular licenseId.
I am not sure how to begin to refactor it, can someone give me something to get me sta...0
I am creating a sort of Sales Report for an Invoicing System.
I have an extremely complex MySQL Query that takes a very long time to execute (usually about 10 - 15 seconds). It involves multiple tables (containing hundreds or even thousands of rows) in a database that an even more complex system...
So I am creating a Sudoku solver for a project, and I am having trouble assigning values to a row, column, and 3x3 square. Using those to assign possible values to each 0 in the 9x9 sudoku grid. here is my code so far
v = input("")
def print_grid(v):
for i, c in enumerate(v):
print(c...
I've got a simple Excel Data Manipulation Script to match one of my daily tasks, written in python 3.
Intro
Let's assume that I have 3 excel files: main.xlsx, 1.xlsx and 2.xlsx. In all of them I have a column named serial numbers. I have to:
lookup for all serial numbers in 1.xlsx and 2.xlsx...0
There are some formatting and code clarity points I will mention a bit further down, but for now there are some places I think the performance could be improved, at a glance. You should definitively consider posting your EXPLAIN and table definitions, as was suggested in a comment, for this and f...
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