Cost Function Search Results

How To: Give a dog a bath at home

Does your dog like to jump in mud puddles and play in dirt? Learn how to give your dog a bath at home so you can save the cost of frequent trips to the dog groomer. In this case we are going to use a bath tub, but you can also bathe your dog in outdoor showers, indoor showers, or just use a hose. Now that we have the place to bathe the dog, we have to decide what type of shampoo to use. Remember, dogs have different types of fur, so you will want to select the appropriate shampoo for the type...

News: Get Dinner Delivered to You from Almost Any Restaurant with These Apps

Whether you were exposed to the COVID-19 virus or just taking precautionary measures, self-quarantining is a tremendous disruption for anyone. Still, we all have to eat, pandemic or not. But unless you like eating canned food for two weeks, you're going to want to explore other options. That's why food delivery apps are going to be so necessary during such a hectic and uncertain time.

How To: A Hacker's Guide to Programming Microcontrollers

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. In this guide, we'll build an Arduino program from scratch and explain the code structure in a way anyone can understand.

News: Scientists Turn Bacteria into Mini Cyborg Solar Panels

Plants all around us capture sunlight every day and convert it to energy, making them a model of solar energy production. And while the energy they make may serve the needs of a plant, the process isn't efficient enough to generate power on a larger scale. So, scientists from the University of California found a way to treat bacteria with chemicals that turned them into photosynthesis machines, capable of generating products we can convert into food, fuels, and plastics.

SPLOIT: How To Build a Peer to Peer Chat Application in Python ( GUI - Linux )

Developing GUI apps in python is really cool. I ask those who understand the language to help convert some of the command-line or console programs or apps ( I mean programs that are useful to a hacker ) to GUI. I know GUI makes us lazy and not wanna learn but we should all know its fast. Today's tutorial is on p2p chat app I developed last week and decided to share it with the community since its kinda cool.

How To: Turn Your '57 Chevy Classic (Or Any Old Car) into the Best Couch Ever

Antique car collecting and restoration is a very popular hobby practiced by many around the world. A quick drive through my town turns up with a handful of classic cars parked in their respective driveways, some in pristine condition, and others not-so-much. While some people end up eventually fixing up their classics, many also do not. Some cars end up rotting away, left to be either salvaged or sold off in pieces—mostly due to time consumption and excessive costs.

How To: Make an electrophorus and use it to create electricity from your cat

An electrophorus is a type of capacitor that generates electrostatic energy. Most of you probably know this force as static electricity, the domain of door handles and polyester shirts. It can be used for all sorts of other fun science experiments though, and this video will show you how an old hard drive, some plastic, Styrofoam, foil, a cat, and other simple materials can be used to make a a simple functioning electrophorus.

How To: Create simple masks in Adobe Photoshop CS5

In this video tutorial, we learn how to mask when using Adobe Photoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Adjust shadows and highlights in Adobe Photoshop CS5

In this clip, learn how to adjust shadows and highlights in your digital images in Adobe Photoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Convert an image to grayscale in Adobe Photoshop CS5

Learn how to desaturate your photos by turning them into black and white with the grayscale mode in Adobe Photoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Reduce luminance noise in Adobe Photoshop CS5

Looking for a guide on how to get rid of luminance noise with Photoshop CS5? Look no further! Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Reduce color noise with filters in Adobe Photoshop CS5

In this clip, learn how to reduce color noise with filters in Adobe Phtoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Use the Unsharp Mask filter in Adobe Photoshop CS5

In this clip, you'll learn how to use the Unsharp Mask filter in Adobe Photoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Use the Sharpen, Sharpen Edges, and Sharpen More filters in Photoshop CS5

Looking for a general introduction to Photoshop CS5's single-shot sharpener tools? Well, you're in luck, as this clip presents just that. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Adjust luminance with the Curves tool in Adobe Photoshop CS5

In this clip, learn how to utilize the Curves tool to fix luminance problems. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Adjust luminance with the Levels command in Adobe Photoshop CS5

In this clip, you'll learn how to adjust luminance with the Levels command in Photoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Use the auto adjustment commands in Adobe Photoshop CS5

Looking for a guide on how to get the most out of the auto commands in Adobe Photoshop CS5? Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Use Levels and Curves commands to adjust luminance in Adobe Photoshop CS5

In this clip, you'll learn how to use the Auto Levels and Auto Curves commands to correct the luminance of an image on a channel-by-channel basis in Adobe Photoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.