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Image lazy loading plugins on Github
Image lazy loading is a concept where images are getting loaded only when needed. It has been adopted in many web applications to reduce usage of bandwidth. When a web page is loaded in a web browser, not all the page elements would be visible in the view port, hence those resources(images, videos etc) don't need to be loaded. Currently there are quite a few open source plugins on Github which can help achieve image lazy loading. Today we will introduce a few of them. Echo.js Echo.js is a ...
JAVASCRIPT,OPEN SOURCE,WEB DEVELOPMENT,IMAGE LOADING 2017-04-22 01:16:04
What is pjax and why we should use it?
What is pjax? Now many websites such as Facebook, Twitter support one browsing style which is when you click one link on their sites, the page will not be redirected, instead only the page contents are updated and URL on address bar is changed. This kind of user experience is much better compared to load the whole page with a blink. There is one important component in the above browsing experience, these websites' AJAX refresh support browser history, when refreshing the page, the address on the...
NIO vs IO in Java
Java 1.4 provides a new API for handling IO -- NIO. This is a non-blocking and buffer oriented IO API. Below are main differences between the NIO and IO in Java. IO NIO Stream oriented Buffer oriented Blocking IO Non-blocking IO N/A Using selector Stream oriented vs Buffer oriented The main difference is that IO is stream oriented where the data is read byte by byte and the data will not be buffered normally.This means there is no pointer to move forward and backward in the stream. I...
Why do C++ folks make things so complicated?
This morning Miroslav Bajtoš asked “Why do C++ folks make things so complicated?†in response to my article on regular expressions in C++. Other people asked similar questions yesterday. My response has two parts: Why I believe C++ libraries are often complicated.Why I don’t think it has to be that way. Why would someone be using C++ in the first place? Most likely because they need performance or fine-grained control that they cannot get somewhere else. A Ruby programmer...
C++,Complicated,C++ PRogrammer,Design pattern 2011-12-31 15:45:39
How to Calculate Distance in Asp.Net MVC with Google Maps
Internet users are vastly dependent on both Google and Bing mapping tools. The API available for developers provides them an ability to add value to the solutions developed by them.There is no such requirement of using everything. There are times when only a snippet can make a big difference to the app users. In this article, asp.net development experts will explain how to use Google Maps APIs and help office staff to calculate distance. When a team is travelling for the job, they either ride on...
ASP.NET MVC 2017-03-10 06:29:23
SameSite attribute in cookie
Starting from Chrome 51, a new attribute SameSite has been introduced for browser cookie. This attribute is to prevent CSRF attack. Cookie is normally used to store data exchanged between client and server. It frequently stores user login information. If a malicious website can forge a HTTP request with the valid third party website cookie, it may be called a CSRF attack. For example, if a user logins to a bank website your-bank.com, the bank server responds a cookie: Set-Cookie:id=a3fWa; L...
JAVASCRIPT,COOKIE,SAMESITE,CHROME,CSRF 2019-09-14 04:57:51
Installing Python Packages
Now that you have you system and project environment all setup you probably want to start developing. But you likely don’t want to start writing an entire project fully from scratch, as you dive in you’ll quickly realize theres many tools helping you build projects and sites faster. For example making a request to a website there’s Requests, for handling processing images there’s Python Imaging Library, or for a full framework to help you in building a sit...
Python,Package,Installation,Library,Unix 2011-11-02 12:57:45
When a CA becomes untrustable
Information security has become a vital part of people's life, especially for those people who spend much time online. Tons of data are being transmitted over the internet every second. These data include user ids, passwords, credit card information etc and some of them are sensitive information which needs secure way to transmit. Hence different protocols have been developed including SSL/TLS to encrypt data transmitted over the internet. The core of these security protocols is the certifi...
APPLE,SECURITY,GOOGLE,MOZILLA,NEWS,WOSIGN 2016-10-01 23:03:44
Why MySQL 8 drops support of query cache
Many of you may have heard or used MySQL's query cache, because it used to be a popular way to improve MySQL's performance. As an important feature for improving MySQL's performance, the query cache was often recommended as a solution for slow queries. However, why has MySQL 8 abandoned the query cache? Today, we will analyze and explore this decision. What is query cache? According to official document: The query cache stores the text of a SELECT statement together with the correspon...
MYSQL 8,QUERY CACHE 2023-03-11 09:05:17
Networking Terminologies
Portmaps sudo apt-get install -y portmap Portmap is a part of ONC RPC (Open Network Computing Remote Procedure) collection of software for implementing remote procedure calls between Computer Programs. It is widely used by NFS (Network File System) and NIS. Portmap is a server that converts RPC program number to DARPA protocol port number. It must be used in order to make RPC calls. Network Infomation Service (NIS) sudo apt-get install -y nis NIS is a client server directory service provi...
Linux,Network programming,Network file system 2012-02-16 06:22:30
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