Tutorial by Examples: et

Apply Filter to Image Patches and Set Each Pixel as the Mean of the Result of Each Patch

Many modern Image Processing algorithms use patches are their basic element to work on. For instance one could denoise patches (See BM3D Algorithm). Yet when building the image form the processed patches we have many results for the same pixel. One way to deal with it is taking the average (Empir...

MATLAB Language • Usage of `accumarray()` Function

Installation or Setup

Detailed instructions on getting spring-aop set up or installed.

spring-aop • Getting started with spring-aop

Installation or Setup

Detailed instructions on getting ngrx set up or installed.

ngrx • Getting started with ngrx

How use ansible to install mysql binary file

hosts: mysql tasks: name: Add mysql user user: name: mysql shell: /sbin/nologin name: install the latest version of libselinux-python yum: name: libselinux-python state: latest name: install perl yum: name: perl state: latest name: remove the mysql-libs package y...

ansible • Ansible install mysql

Fast Asymmetric File Encryption

Asymmetric encryption is often regarded as preferable to Symmetric encryption for transferring messages to other parties. This is mainly because it negates many of the risks related to the exchange of a shared key and ensures that whilst anyone with the public key can encrypt a message for the inten...

C# Language • Cryptography (System.Security.Cryptography)

Get help on available mix tasks

To list available mix tasks use: mix help To get help on a specific task use mix help task e.g.: mix help cmd

Elixir Language • Mix

Installation or Setup

Detailed instructions on getting boto3 set up or installed.

boto3 • Getting started with boto3

Place the user's pin in the map.

Note, if you are not familiar with the google maps api, you may read the precedent example (basics) in order to understand this little example. First, initialize the map. You may add an map's element in your HTML code and a bite of CSS like this: <!DOCTYPE html> <html> <h...

google-maps-api-3 • Getting started with google-maps-api-3

Set my app as default app for a file type

- (NSString *) UTIforFileExtension:(NSString *) extension { NSString * UTIString = (NSString *)UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (CFStringRef)extension, ...

osx • File association

Create association with new/custom file types via Info.plist

<key>CFBundleDocumentTypes</key> <array> <dict> <key>CFBundleTypeIconFile</key> <string>Icon file for associated file</string> <key>CFBundleTypeName</key> <string>My file format</string>...

osx • File association

Set different property to text in single UILabel

The first step you need to preform is to create a NSMutableAttributedString object. The reason we create a NSMutableAttributedString instead of NSAttributedString is because it enables us to append string to it. NSString *fullStr = @"Hello World!"; NSMutableAttributedString *attString =[...

iOS • attributedText in UILabel

Getting system font names

ArrayList<String> fontNames = new ArrayList<String>(); File temp = new File("/system/fonts/"); String fontSuffix = ".ttf"; for(File font : temp.listFiles()) { String fontName = font.getName(); if(fontName.endsWith(fontSuffix)) { fontNames.add(f...

Android • Getting system font names and using the fonts

Installation or Setup

Detailed instructions on getting magento-1.9 set up or installed.

magento-1.9 • Getting started with magento-1.9

Delete local branches that have been deleted on the remote

To remote tracking between local and deleted remote branches use git fetch -p you can then use git branch -vv to see which branches are no longer being tracked. Branches that are no longer being tracked will be in the form below, containing 'gone' branch 12345e6 [origin/bran...

Git • Tidying up your local and remote repository

Convert blocking method to asynchonous

The following method will take a second or two depending on your connection to retrieve a web page and count the text length. Whatever thread calls it will block for that period of time. Also it rethrows an exception which is useful later on. public static long blockingGetWebPageLength(String urlS...

Java Language • CompletableFuture

Simple Example of CompletableFuture

In the example below, the calculateShippingPrice method calculates shipping cost, which takes some processing time. In a real world example, this would e.g. be contacting another server which returns the price based on the weight of the product and the shipping method. By modeling this in an async ...

Java Language • CompletableFuture

Set different locale for md-datepicker

This example requires importing DateAdapter. import {DateAdapter} from '@angular/material'; datepicker.component.html: <md-input-container> <input mdInput [mdDatepicker]="picker" placeholder="Choose a date"> <button mdSuffix [mdDatepickerToggle]="pi...

angular-material2 • md-datepicker

Painfull listener for getting notice, when the view is completely drawn now is so simple and awesome with Kotlin's extension

mView.afterMeasured { // inside this block the view is completely drawn // you can get view's height/width, it.height / it.width } Under the hood inline fun View.afterMeasured(crossinline f: View.() -> Unit) { viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlob...

Kotlin • Kotlin Android Extensions

See the files changed in a specific commit

git diff-tree --no-commit-id --name-only -r COMMIT_ID

Git • diff-tree

.Net Related Acronyms

Please note that some terms like JIT and GC are generic enough to apply to many programming language environments and runtimes. CLR: Common Language Runtime IL: Intermediate Language EE: Execution Engine JIT: Just-in-time compiler GC: Garbage Collector OOM: Out of memory STA: Single-threaded ...

.NET Framework • Acronym Glossary