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SEARCH KEYWORD -- Input validation

  How to tell if this idea is a good idea.

Good Idea or Bad Idea?I’ve got an idea for a product. I’ve talked to some people. I know some people in the industry. I have been cold calling others. The idea is promising. The price point people have agreed with is about where I would like it to be. I’ve shown some mockups around and iterated on them. Now, I feel the need to start writing code because, well, I like writing code. And I’m comfortable writing code.But I see lean people.Steve Blank, Eric ...

   Idea,Good,Bad,Distinguish,Feature,Coding     2011-11-24 09:19:01

  Build Hadoop environment in Linux

Hadoop standalone installation: 1. Install JDK Install JDK with below command: sudo apt-get install sun-java6-jdk Configure Java environment, open /etc/profile, add below contents: export JAVA_HOME = （Java installation directory） export CLASSPATH =".:$JAVA_HOME/lib:$CLASSPATH" export PATH = "$JAVA_HOME/:PATH" Verify installation of Java Type java --version, if it outputs Java version information, then Java is successfully installed. 2. Install SSH Install SSH with below command: sudo ...

   Hadoop.Linux,Configuration     2013-07-31 23:22:27

  Why Only Designers Can Create New Programming Languages

Attempts to verify the utility of languages stifle innovation. Christopher Mims 03/06/2012 30 Comments Compared to the versions that are hacked together late at night under insane deadline pressure, the programming languages to come out of academia are failures. Well, not all of them. History can speak for itself. Via UC Irvine computer scientist Cristina Videira Lopes, who deserves credit for any insight you might get from this post, which is a ...

   Designer,Programming language,Create,Great     2012-03-19 13:22:15

  Backend-as-a-service?

As the list of *-as-a-service’s continues to grow, I thought I’d throw one into the mix. What about the idea of a backend-as-a-service (BaaS)? The recent surge of client side Javascript frameworks along with the attractiveness of simple RESTful APIs has created an environment where server-side interaction can be reduced to simply database interaction (including validation and some computation). But why stop there? What if the server-side of the equation was simply a RESTful, ...

   Web design,Backend,Service,BaaS,Client JavaScript     2011-12-29 09:07:38

  Check file readability in Java

File operation is quite platform dependent. Although Java is a cross platform programming language, the file operation in Java is also platform dependent. The obvious evidence is the file permission check. In Java, we can call canRead(), canWrite() and canExecutable() to check whether the program can read, write or execute the file specified. However, on Windows, when we call canRead() on a File object, we may get unexpected result. Actually, on Windows, when we call canRead() on a File object, ...

   Java,Files,Readable,Check     2013-12-05 06:10:15

  Using an Image Submit Button within an HTML Web Page Form

If you're using an HTML form on your web site and would like to use an image submit button instead of the boring standard submit button, this HTML code is for you.In order for your form's input box and your image submit button to line up properly, you will need to place it within an HTML table. In addition, unless your image has a transparent background, you will need to set the table background color to the same color as the image background so that it will seamlessly b...

   Submit button,Image,Html     2011-10-02 12:17:01

  Android Security

Android is an open source mobile platform that includes an operating system, middleware and applications. Android has revolutionized the mobile world in a big way. Android, which started as an alternative to Apple’s iOS, is now slowly eating into the market share of Apple and is of primary concern to the company. Let’s have a brief introduction about android and then look into the security concerns and vulnerabilities that need to be focused on. Android Introduction: Android was deve...

   Android security,Input validation     2013-04-16 12:19:37

  Understanding PGO in GoLang 1.20

Background The Go 1.20 version was officially released in February 2023, it introduced the PGO(Profile Guided Optimization) mechanism. The basic principle of PGO can be divided into the following two steps: First, profiling is performed on the program to collect data about the program's runtime and generate a profiling file. When compiling the program, enable the PGO option, and the compiler will optimize the program's performance based on the content in the .pgo file. When compiling a program...

   GO 1.20,PGO,GOLANG     2023-02-28 04:27:46

  Why Most of us Get Confuse With Data Quality Solutions and Bad Data?

How to fix this misunderstanding is what Big Data professionals will explain in this post. The C-level executives are using data collected by their BI and analytics initiatives to make strategic decisions to offer the company a competitive advantage. The case gets worse if the data is inaccurate or incorrect. It’s because the big data helps the company to make big bets, and it impacts the direction and future together. Bad Data can yield inappropriate results and losses. Some interesting ...

   BIGDATA     2018-02-21 06:01:35

  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

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