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کیف پول چند امضایی ( Multi-signature ) چیست ؟

امضای چندگانه ( Multi-signature ) به عنوان تأیید اعتبار چند علامتی یا چند عاملی شناخته می‌شود، یک ویژگی امنیتی است که برای محافظت از دارایی‌های دیجیتالی مانند ارز دیجیتال، امضای دیجیتال و سایر اطلاعات حساس استفاده می‌شود. این فرآیندی است که شامل الزام چندین طرف برای مجوز معامله یا اقدام، به جای تنها یک فرد است. این یک لایه امنیتی اضافی ایجاد می‌کند و خطر کلاهبرداری، سرقت یا دسترسی غیرمجاز را کاهش می‌دهد. 

کیف پول چند امضایی ( Multi-signature ) چیست ؟
نظرات مطالب
مقدمه ای بر AutoMapper
از آنجا که این مقاله جز مقالاتی است که به دلیل عنوان مقدمه در آن ارجاع به آن اول صورت میگیرد، این نکته رو اضافه کنم که در نسخه‌های جدیدتر Automapper استفاده از حالت استاتیک مردود اعلام شده و نحوه نوشتن به شکل زیر میباشد:
var config = new MapperConfiguration(cfg => {
  cfg.CreateMap<Source, Dest>();
});

IMapper mapper = config.CreateMapper();
var source = new Source();
var dest = mapper.Map<Source, Dest>(source);
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کتابخانه glogg

نرم افزاری بسیار سریع با قابلیت باز کردن فایل‌های چند گیگابایتی است که با استفاده از regular expressions به راحتی می‌توانید در آن جستجو کنید.  دانلود

glogg - the fast, smart log explorer

glogg is a multi-platform GUI application that helps browse and search through long and complex log files. It is designed with programmers and system administrators in mind and can be seen as a graphical, interactive combination of grep and less.

Main features

  • Runs on Unix-like systems, Windows and Mac thanks to Qt
  • Provides a second window showing the result of the current search
  • Reads UTF-8 and ISO-8859-1 files
  • Supports grep/egrep like regular expressions
  • Colorizes the log and search results
  • Displays a context view of where in the log the lines of interest are
  • Is fast and reads the file directly from disk, without loading it into memory
  • Is open source, released under the GPL
کتابخانه glogg
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مقایسه‌ای کوتاه بین ABP Framework و DNTFrameworkCore

In this post, I want to compare “DNTFrameworkCore” with “ABP Framework”.


ABP is one of most popular and well documented frameworks with high level abstraction that I learned a lot from it. It has many other features that I don’t list them in this post, because, DNTFrameworkCore has not them actually. Behind of ABP, there is a team. It has 123 contributors in GitHub. Also, all of features have related unit-tests.

In other side, DNTFrameworkCore is lightweight with low level abstraction. It is personal open-source project without any contributor and has unit-tests for small part. 

I wrote this post to prove that thinking behind of DNTFrameworkCore completely different from ABP (at least in most sections)  

مقایسه‌ای کوتاه بین ABP Framework و DNTFrameworkCore
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به اشتراک گذاری کدهای ui در اپلیکیشن های ios , android

One of the most exciting announcements during this year’s Connect(); event was the ability to embed .NET libraries into existing iOS (Objective-C/Swift) and Android (Java) applications with .NET Embedding. This is great because you can start to share code between your iOS and Android applications, and you can also share the user interface between your apps when you combine .NET Embedding with Xamarin.Forms Native Forms. This means that you can leverage your existing investments and apps without having to re-write them from scratch to start adding cross-platform logic and UI. In fact, during the Connect(); keynote I showed how I was able to extend the open source Swift-based Kickstarter iOS application with .NET Embedding and Xamarin.Forms Native Forms. You can check out the clip below. 

به اشتراک گذاری کدهای ui در اپلیکیشن های  ios , android
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Visual Studio Code June 2017 منتشر شد


Integrated Terminal improvements - Find support, select/copy multiple pages.
Command Palette MRU list - Quickly find and run your recently used commands.
New Tasks menu - Top-level Tasks menu for running builds and configuring the task runner.
Automatic indentation - Auto indent while typing, moving, and pasting source code.
Emmet abbreviation enhancements - Add Emmet to any language. Multi-cursor support.
New Diff review pane - Navigate Diff editor changes quickly with F7, displayed in patch format.
Angular debugging recipe - Debug your Angular client in VS Code.
Better screen reader support - Aria properties to better present list and drop-down items.
Preview: 64 bit Windows build - Try out the Windows 64 bit version (Insiders build).
Preview: Multi-root workspaces - Open multiple projects in the same editor (Insiders build).
 

Visual Studio Code June 2017 منتشر شد
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کتاب رایگان MongoDB 3 Succinctly

MongoDB is one of the biggest players in the NoSQL database market, providing high performance, high availability, and automatic scaling. It’s an open-source document database written in C++ and hosted on GitHub. Zoran Maksimovic’s MongoDB 3 Succinctly touches on the most important aspects of the MongoDB database that application developers should be aware of—from installation and the usage of the Mongo Shell, to examples of the MongoDB C# driver APIs for Microsoft .NET Framework.

Table of Contents

  1. MongoDB Overview
  2. MongoDB Installation
  3. The Mongo Shell
  4. Manipulating Documents
  5. Data Retrieval
  6. Basic MongoDB with C#
  7. Data Handling in C#
  8. Inserting Data in C#
  9. Find (Query) Data in C#
  10. Binary Data (File Handling) in C#
  11. Back Up and Restore 
کتاب رایگان MongoDB 3 Succinctly
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Ruby On Rails یکی از پر مخاطب ترین زبان های برنامه نویسی در سال 2016

When Ruby on Rails, a web application framework written in the Ruby programming language, was first released as open source back in July 2004, it stumbled to rise in the rankings as one of the top programming languages. But in 2006, Apple announced that it would be shipping Ruby on Rails with their Mac OS X v10.5 “Leopard” and Ruby soon became known and used by many. So much so, that the TIOBE index, a measure of the popularity of programming languages, named Ruby the “Programming Language of 2006.” However, due to some scalability issues and the release of other exciting new tools, such as Node.js and AngularJS, Ruby started to lose its popularity and by 2008 it seemed as if it was on its way out. 

Ruby On Rails یکی از پر مخاطب ترین زبان های برنامه نویسی در سال 2016