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Ultimate Guide to Uploading Multiple Files With PHP [Examples]

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PHP Multiple File Uploads Ultimate Guide

This tutorial will explain how to upload one or multiple files from the web browser to the server using PHP. Code examples are included, including the code for limiting file size and type. Being able to have your users upload files to your app has become expected functionality in most web apps. Photos, filled out PDF forms, videos, recordings – any kind of file can be uploaded, and the process is relatively straight forward. PHP provides all of the required tools for file uploading and … Read more

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Home » Search results for 'javascript loop'

PHP: Process Each Item In An Array with array_map() [Examples]

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PHP array_map

This article will show you how to process a PHP array using array_map() to run a function on each item in the array. Why use array_map()? Arrays store a sequence of values in a single variable. If you’re storing those values, you probably want to do something with them at some point. Say, for example, you had an array of numbers, and you wanted to calculate the square of each number to be stored in a new array. You could create an empty array, loop through the original array calculating … Read more

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Linked Lists in Python – How to Use Them, With Examples

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Python Linked Lists

This article will explain in simple terms what linked lists are, why they’re useful, and how to use them in the Python programming language. Lists In Python, a list is an array of data – a simple list of values where each item has a value and a position in the list. Lists are indexed (so the positions start counting at position 0, not 1). For more information on lists in Python, check out these LinuxScrew articles: Python List ‘sort()’ Method – Sorting Lists in Python Easily … Read more

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Multidimensional Arrays in PHP – How To Use, With Examples

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PHP Multidimensional Arrays

This article will show you how to use multidimensional arrays in the PHP programming language, explaining what they are and how to use them. What is an Array? An array is a type of PHP variable that can hold multiple values. It’s a list of values you can loop through and perform operations on each individual value. For example, you might want to perform an action on a list of files. By storing that list as an array, you can loop through the file names … Read more

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Using the Python ‘accumulate()’ Function to Aggregate Data, With Examples

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Python accumulate()

This article will detail how to use the ‘accumulate()’ function in Python and provide some easy-to-follow example code. The accumulate() function in Python will process an iterable (iterables are things like lists, dictionaries, sets, or tuples – collections containing items which can be looped over) – returning the accumulated sum of the value of each item or running a given function on each item. The value of the accumulated value is stored for each step and returned with the result. The syntax and code in this article are written for … Read more

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DIY Arduino Powered Electronic Morning Checklist

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Arduino Morning Checklist

If you’re the sort of person who has to check the stove is off before leaving the house, then recheck it because you can’t remember if you checked it (and maybe even turn around at the front gate, unlock the door, go back inside and check a final time) – this might be the project for you. Before I get into it, if you haven’t already, check out the other projects I’ve built for LinuxScrew: Python Powered Tank! Python Powered Tank Part II Python Powered … Read more

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Python range Function – How to Use It [With Examples]

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Python range Function

The Python range() function returns an immutable sequence of integers between a given start and endpoint, incrementing by a given amount. Python range Syntax Here’s the syntax for the Python range() function: range(start, stop, step) Note that: start is the integer to start incrementing from – it will be included in the range If it is not supplied, it will be assumed to be 0 stop is the integer to end the range at – it will NOT be included in the range – the range will end before the stop value If start and stop are the same, an empty … Read more

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Fun: Chuck Norris vs. Linus Torvalds

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[digg-me] I’m sure everybody remembers facts on Chuck Norris, and here are Linus Torvalds facts! Look at the picture, do you see any differences, don’t you? 🙂 😉 🙂 Linus Torvalds once found a segmentation fault in the universe. Linus Torvalds can run kill -9 and kill Chuck Norris. Linus Torvalds doesn’t die, he simply returns zero. Linus Torvalds first written program had artificial intelligence. Linus can divide by zero. Linus Torvalds runs Linux on his wristwatch and toster. Linus Torvalds doesn’t receive error messages. … Read more

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How to create custom linux ISO image?

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It’s rather trivial task to make some changes into already burned installation or live CD. It may be performed to add some files to this CD or edit files on it. In any case it’s impossible to loop mount .iso file and then save it as iso9660 filesystem is read-only. So, just mount your CD or iso image to some directory by commands: sudo mkdir /mnt/image sudo mount /dev/cdrom /mnt/image or sudo mount /path/to/your.iso /mnt/image -o loop then copy it’s contents to some directory: mkdir … Read more