2,322 Reusable Code Snippet Topics
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 | Here's a quick bit of code to upload a file in PHP. |
| | Here is the function that I use here at DaniWeb to manage flood control. It keeps track of how often a specific user or IP address is making a request, and increments a counter. If there have been no requests after 5 minutes, the counter resets to 0. It returns … |
 | I am a full-stack full-time developer. I have 5 years of development experience and My basic skills are Blockchain, TypeScript, ReactJS, Shopify. I am a full-time dev, so I can answer your inquiries at any time. I can work on weekends if needed and communicate fluently in English. |
 | Never published this before, so this is a DaniWeb.com Exclusive :) If your WP-Site has a lot of K-Links, you should consider using this script. It definetly works. For now... ## **Negative SEO** through spamming Backlinks can be a huge problem for the visibility of a webpage. ## You can … |
| | The Markdown editor that we use here at DaniWeb is called [CodeMirror](https://codemirror.net/) and we've been using it for forever. The other day, I noticed some bugs in the editor toolbar that we use, which is based on the [CodeMirror API](https://codemirror.net/docs/ref/). (The one that allows the buttons for bold, italic, etc.) … |
 | I have seen many people struggling with Reading files and writing files in java, also a great problem is how to edit a file too. So in this code snippet I have put all these problems into one small program in hopes to help others. So this code snippet will … |
| | I want to use the seekbar to zoom in and out of the camera from zxing |
| | DaniWeb is built on top of the Codeigniter 3.1.x PHP framework. Although I probably should have built it as a CI model, here is the database library that we are using. You can see it mainly serves as a wrapper for CodeIgniter's built-in database class. You can see we use …  |
 | When working with RecyclerView, always utilize the ViewHolder pattern to improve performance by minimizing the number of findViewById() calls. public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> { public static class ViewHolder extends RecyclerView.ViewHolder { TextView textView; public ViewHolder(View itemView) { super(itemView); textView = itemView.findViewById(R.id.textView); } } @Override public ViewHolder onCreateViewHolder(ViewGroup parent, int … |
| | This is a simple to use, self-contained website slideshow utility. Do you have a monitor or TV setup in your lobby where you'd like to present web content automatically? With this HTML/Javascript page, simply edit an array of pages or "slides". You define a title, duration, and URL for each … |
 | Using PySide's QAbstractTableModel allows you to easily customize a widget like QTableView and make it more generic in its application. Here we use it to present solvent data in tabular form and sort each column content by simply clicking on the header. You can feed it any data as long …  |
| | Sometimes you need to delete duplicate rows in a database :) In the future, set UNIQUE keys when you need them :) In the example below, we have a table appropriately named `TABLE_NAME` and there are multiple rows that have the same value for the `duplicate_field` field. In this example, … |
 | I wrote a timer/alarm app in Python that I wanted to be accessible from all Windows Desktops. What I had to do until recently was run the app, select the desktops icon on my toolbar, then right click the app and select "Show this window on all desktops". I was …  |
 | I wanted to post something in Daniweb for a while but I didn't had anything new. Recently I decided to write a new implementation for websocket connections client side using Shared Web Workers. Shared Web Workers are supported today by most browsers for desktop but few for mobile devices , … |
 | VB.Net never meant for games! it's more recommended for software developement, but hey why not have some fun. If anyone out there is looking to create an Angry Birds Game-like or a Simulator for throwing an object, you've come to the right place, this code will give you great start/push … |
| | Things don't have to be black and white all the time. Use a Windows API call to add some color to your text output. |
| | This function is usefull for peoples with a link directory where the links are stored inside a (MySQL) database. The PHP script is easy to use to find out if a reciprocal link still exists on the corresponding webpage. It takes care about the trailing slash in urls and can … |
| | The Tkinter module comes with the normal Python installation. It allows you to create Python GUI programs for Windows, Linux or Unix on the Mac. In this snippet we put a GIF image (.gif) onto a form's canvas with just a few lines of code. Most of the lines are … |
| | Can someone please give me tips on how to accomplish generating a random number within a random range. See 'roll_dice' #include <iostream> #include <limits> #include <ctime> #include <iomanip> #include <cstdlib> using namespace std; using std::cout; using std::cin; struct Sanity { unsigned int turns = std::numeric_limits<int>::max(); unsigned int sanity = std::numeric_limits<int>::max(); …  |
| | The program below is written in **Java** and is used to develop a Web Server that supports these status codes: **200** OK, **302** Moved Temporarily, and **404** NOT FOUND. The code can emulate an **HTTP** server in your local machine. Let me know if you find the code below helpful …  |
| | The program below is written in **C** and is used to convert numbers to words. These operations are beneficial during the development of word processing applications. The program takes the **input** file that contains the number and **outputs** the results in an output file. Let me know if you find … |
| | The program below is written in **C** and is used to create a **learning management system**. This program is beneficial during the development of an **e-learning** desktop application. Let me know if you find the code below helpful and if you have any additional suggestions: |
| | The program below is written in C and creates a stack that holds the values of a maze. This structure is beneficial during the development of a desktop game that uses a maze. Let me know if you find the code below helpful and if you have any additional suggestions: |
| | The program below is written in C and is used to perform fast number operations. These operations are beneficial during the development of spreadsheet applications. Let me know if you find the code below helpful and if you have any additional suggestions:  |
| | Sometimes we have a need to take a simple PHP array and represent it as an encoded string. One use case that we have for this at DaniWeb is when a new user signs up, and we ask them to click on a link that was sent to them via … |
| | Sometimes we want to know if the webpage was fetched over an SSL connection (e.g. the URL begins with https:// instead of http://). This way, if an end-user is accessing an insecure version of our site, we can redirect them to the secure version. The following PHP function called `no_ssl()` … |
| | For some reason, PHP class constants don't play nicely with inheritance. For example, suppose you have the following code: class Foo { const VAR = 'foo'; public function __construct() { echo self::VAR; } } class Bar extends Foo { const VAR = 'bar'; } // This will actually print out … |
| | By default, PHP's clone keyword just creates a shallow copy of an object, and doesn't work as desired if the object contains properties that are also objects, because it doesn't create real copies of those objects but rather just pointers to the initial version of them. This function creates a … |
| | A little while ago, I wrote a [tutorial](https://www.daniweb.com/programming/web-development/tutorials/537376/sanitize-php-user-input-strings) about how important it is to sanitize PHP user input strings. Not only is it important to sanitize user input being fed into a database query, but it's also important to sanitize user input being displayed to the end-user to generate valid … |
| | FPDF is a class that provides a useful way to deal with PDF documents using dynamic content. Sometimes, according to a special circumstance, also would be valuable to send directly the PDF as attachment e.g. send an invoice automatically after processing a payment. In this example we use a html … |
 | [B][COLOR="Red"]Simple C++ program for age calculation[/COLOR][/B] [COLOR="Green"][B]NB:Excuse me experts,,this is only for beginners.........[/B][/COLOR] Instructions//// 1.Copy the code 2.paste it in a text file 3.save the text file as agecalc.cpp and select file type all with in the text file. 4.paste this file inside your bin folder where the Turbo C … |
| | This is a simple archery Game developed in C language . The aim of the game is to shoot the balloons and score as much points as you can . The game have three levels. Platform used is Turbo C++ IDE . Standard Graphics.h functions are used. |
| | Am at an intermediate level in python and tkinter, and have been trying to figure out how to get the code below into some kind of workable form I can understand. What I want to do is, like, if I typed something into the bottom frame, then I'd like to …  |
 | Basically this scheme uses variable offsets, but it generates the bytes on the fly. They aren't truly random, but there aren't any obvious patterns and the output passes all the NIST tests. Since a simple password can be used to do the de/encryption it is much easier to hand off … Programming c# encryption java |
 | Well, there was a thread about a frequency function and a bell curve in Excel. [url]http://www.daniweb.com/forums/thread295203.html[/url] So here it is how about to do the NORMDIST function in Excel in C#. |
 | I browsed google and found nothing so thought i would put my efforts up here. hope this all helps. this function will allow you to return the number of days between two dates minus saturdays and sundays. (including the start date)  |
| | Write a program using for loops to produce an R by C rectangle, where R and C are provided by the user. The following are the triangles for different values of R and C. R is the number of rows and C is the number of columns |
| | For those who are afraid of lycanthropes and full moons, here is a way to figure out the phase of the moon.  |
| | The Action Driver Class when it runs it just brings up a small box with java logo and close and minimize options thats all...... I have reviewd the code over and over and my instuctor said to just review my work... I am so lost.... |
| | After page loading , when I click on the ellipsis , horizontal tabs transform from bottom of the product image . After opening of the tabs menu bar , first tab should open by default.I tried multiple solutions but none of them worked out. |
| | I have a Py file that consists of 100+ frames, aprox 80+ radio buttons and 65 textboxes. I have attached shortened exert from main file. Textbox 1 takes on a value when a radio button is pressed. When button "Show Values is pressed it inserts the accumulated of all textboxes … Programming python |
 | Hello Daniweb Community, I have been talking on a couple [Facebook](http://www.facebook.com) groups such as sale pages where you post your own stuff for people to buy. Most groups like this have rules about bumping like once per day, every 12 hours etc... So it got to the point where it …  |
| | this is the task given to me guix i hope you can help me Create a program that will read the data from a file and save the output in another file 1.Create an input file named **CS122Grades**. 2.The contents of the input file should be the **names**,**midterm grades** and … Programming java |
| | Hi there! This is a simple pascal program I wrote for a cashier. Please note that this is only a basic level program code and can't actually be used for commercial use. Thanks for reading!  |
 | Now I am going through a project with colors. And then I think that if I try to display color values with their names in a simple combobox, it could be amazing. I tried and did it and it is looking like  And  And finally the … |
| | What "Hello World" is to the console, the "Bouncing Ball" is to the Graphical User Interface. Nothing fancy, the ball is created via a call to the API function ellipse() and then bounced within the confines of the windows form. For the DEV C++ crowd: Let me know if you … |
| | The printer seems to be a much ignored computer peripheral when it comes to programming. This little code snippet explores one way to send text to the default printer. It actually draws the text into an imaginary box on the paper. You can specify the upper left and lower right … |
| | Easy tutorial: https://slicker.me/javascript/tower.htm |
| | Q1. Given the partial implemenatation of Linked List, you are required to add the following functionality in the code Delete the whole list e.g. myList.deleteAll( ); Implement Linked Stack for Character data type and show how it reverses your Name. Q2. Show in diagramatic representation (draw by hand, take picture … Programming c++ linked-list |
 | I needed a script that would grab all the folders in the directory and add them to a dropdown list and allow the user to upload to there choosen folder. This is what i came up with. (upload script is not mine) Thought i would share. |
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