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  Different types of keystore in Java -- Overview

Keystore is a storage facility to store cryptographic keys and certificates. They are most frequently used in SSL communications to prove the identity of servers and clients. A keystore can be a file or a hardware device. Three are three kinds of entries can be stored in a keystore depending on the types of keystores. The three types of entries are: PrivateKey : This is a type of keys which are used in asymmetric cryptography. It is usually protected with password because of its sensitivity. It ...

   JAVA,KEYSTORE,OVERVIEW,JKS,PKCS12,JCEKS,PKCS11,DKS,BKS     2014-08-18 02:09:54

  Steve Jobs's prediction about wireless,iPad and App Store in 1983

1983 was still a year uncultivated. That year, Apple released the first personal computer Apple Lisa with graphical user interface in the world, TCP/IP was released less than two years, the Internet was basically still a wasteland. General people had few knowledge about computer. Steve Jobs still needed to start with "What is the computer" in his speech. Today, we have become accustomed to social networking, smart phones and mobile Internet, it was really unbelievable at that time. That ye...

   Steve Jobs, record,Apple,prediction     2012-10-03 04:37:17

  Writing great JavaScript

I probably could have named this post something like “Writing clean, validating and portable JavaScript”, but that would be no where near as catchy. The problem with “great” is it means different things to different people. I am going to show you my idea of great which may differ from many developers views, but I hope it helps someone improve their code. So what’s the point in this, why can’t you just carry on writing JavaScript as you have been for a...

   JavaScript,Great,Clean,Tips     2012-03-24 05:18:12

  3 better and efficent ways of cloud to help content marketing

Content marketing has enlarged in quality over the past year, with around 88% of business-to-business (B2B) firms participating during this marketing stategy and around 90% of customers indicating that custom content is beneficial. Some businesses across industries need staff to send email newsletters, pen web log posts , draft advertisements, write grant proposals and publish white papers. flexibility to form quality content are often an important talent every  jobs However, making and mar...

   BUSINESS     2016-03-08 10:39:10

  Windows 8 Possible Features: Ribbon, Metro, Apps, Cloud Integration

Microsoft may still be plugging away at selling Windows 7 to consumers and the enterprise, but rumors have already started about the next version of the popular operating system—dubbed "Windows 8" by many in the media. Rafael Rivera and Paul Thurrott, two bloggers with a track record of delving into Microsoft's proprietary code base, recently sparked a fresh round of chatter with a dissection of a supposed Windows 8 early build, adding their voices to a discussion that extends back to 201...

   Windows 8,New features,Touch,Metro     2011-04-11 02:10:12

  Windows 8 first impressions: It's a game changer

NEW YORK (CNNMoney) -- The PC needs saving. With Windows 8, Microsoft believes it has the magic cure.It just might. I've been testing a consumer preview version of Windows 8 for the past week, and it's unlike anything I've ever seen in a PC operating system.The stunning "Metro" interface just begs you to touch and interact with it. Beautifully designed apps, ultra-simple navigation, and instinctive commands make it hard to believe Metro came from the same company that brought us Windows Vista...

   Windows 8,Hands on,Game changer,Impression     2012-03-17 04:26:54

  What programming languages should I learn?

Since I started this blog, I have gotten quite a few emails asking me “What programming languages do you recommend for X?” I often finding myself writing something along the lines ofI would honestly recommend python. Something about me being biased because I know and love it.  Usually say something about the competing technology with a back handed insult. Also if they are starting out I would recommend a language that enforces better OO (Object Orientated) practic...

   programming language,Popularity,Java,Tre     2011-09-23 13:11:57

  The ugliest C feature:

<tgmath.h> is a header provided by the standard C library, introduced in C99 to allow easier porting of Fortran numerical software to C. Fortran, unlike C, provides “intrinsic functions”, which are a part of the language and behave more like operators. While ordinary (“external”) functions behave similarly to C functions with respect to types (the types of arguments and parameters must match and the restult type is fixed), intrinsic functions accept arguments of...

   C,,Fortran,Intrinsic functions,C99,Ugly     2011-12-26 08:33:27

  Tricks with Direct Memory Access in Java

Java was initially designed as a safe managed environment. Nevertheless, Java HotSpot VM contains a “backdoor” that provides a number of low-level operations to manipulate memory and threads directly. This backdoor – sun.misc.Unsafe â€“ is widely used by JDK itself in packages like java.nio or java.util.concurrent. It is hard to imagine a Java developer that uses this backdoor in any regular development because this API is extremely dangerous...

   Java,Directly memory access,Tricks,JVM     2012-02-13 05:31:19

  The Go Pointer Magic

Go is a language with the pointer type, by which we can Pass pointer into a function and update value in-place. Add methods to a struct as (* T) A, which is different from (T) A(). However, the pointer is type-safe in Go, meaning that there are such restrictions of the pointer. Different types of pointers are unconvertible. Pointer type cannot be used for calculation. Pointer types cannot be compared, either == nor !=. No mutual assignment between different pointer-...

   GOLANG,POINTER,UNSAFE     2021-10-03 02:18:57

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