Ethereum 101

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Ethereum is a decentralized blockchain platform that enables developers to build and deploy decentralized applications (dApps) on the blockchain. Ethereum was created in 2014 by Vitalik Buterin and has since become one of the most popular blockchain platforms in the world. In this article, we’ll provide a development history of Ethereum, an overview of its
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4 Features of Python 3.9 That You Can’t Take Your Eyes Off

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Python is one of the most popular programming languages in the world. It is widely popular for a plethora of tasks due to its flexible nature and ease of use. Python has also managed to beat other programming languages such as Java, which were once upon a time, the world’s favorite. In fact, the extent
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What can we expect in Java update 2019?

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Java is the most regularly used programming language for the creation of web applications. This high-level programming language develops by the Sun Micro-system. This language was designed for use in the world of internet and known for fastest, secure, and most reliable language of the computing platform. One interesting fact is that Java programmers are
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Any good Java REPL tool/implementation?

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Any good suggestions on a Java REPL implementation like ‘scala’ and ‘python’ or ‘php -a’? The java-repl tool https://github.com/albertlatacz/java-repl/ works nicely for most situations for me. It is released as a .jar. Hence, it is easy to download and run: $ wget –quiet https://github.com/albertlatacz/java-repl/releases/download/428/javarepl-428.jar -O /tmp/javarepo-428.jar && java -jar /tmp/javarepo-428.jar One usage example is as
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Any good Go REPL implementation / tool?

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Go lang is fast to compile and can be used as a script by go run prog.go. However, a REPL is more convenient for testing/trying some small pieces of code. Any good Go REPL implementation / tool? Try gore https://github.com/motemen/gore Get gore $ go get -u github.com/motemen/gore An example $ gore gore version 0.2.6 :help
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How to process a file line by line in Go?

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In the Go programming language, How to process a file line by line? An equivalent piece of Bash code could be while read line ; do echo $line done < ./input.txt You can make use of the bufio package’s Scan(). // open the file filepath f := os.Open(filepath) // create a scanner fs := bufio.NewScanner(f)
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Alternatives to goto in bash

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As we know: There is no goto statement support in bash. goto is useful for certain situations, especially for debugging. So, is there any alternative mechanisms to goto in bash? Robert Copeland gave an interesting hacking to this problem: http://bobcopeland.com/blog/2012/10/goto-in-bash/ The idea is like the self-modifying code. But the difference is to generate a piece
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Programming language popularity indices?

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Any good programming language popularity indices? Those are interesting ones: TIOBE Indexhttp://www.tiobe.com/index.php/content/paperinfo/tpci/index.html The RedMonk Programming Language Rankings: January 2014 This ranking is published as blog posts. So no persistent homepage found yet. The January 2014 version is: http://redmonk.com/sogrady/2014/01/22/language-rankings-1-14/ Programming Language Popularityhttp://langpop.com/

ANSI C Grammar and ANSI C Grammar Specification in YACC

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ANSI C is a standardized version of the C programming language that was introduced in 1989 by the American National Standards Institute (ANSI). The ANSI C standard defines the syntax and semantics of the C language, including its grammar. In this post, we will explore the ANSI C grammar in more detail. The ANSI C
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Are You Wanting to Learn a Programming Language? Read Before Your Make a Choice

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Making a career choice is difficult. And, if you have decided on becoming a programmer, the difficulty is just beginning. The most important thing is to first decide the language that you want to learn and this is often the most difficult decision. The good part is that you know you need to focus on
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GNU C Reference Manual

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When we program in C, a C reference by hand is usually useful. The GNU C Reference Manual provides us a good reference for the C programming language implemented by the GNU C Compiler. “This manual is strictly a reference, not a tutorial. Its aim is to cover every linguistic construct in GNU C.” GNU
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How to Run a cron Job Every Two Weeks / Months / Days

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We may want to run some jobs for every two weeks/months/days… under some situation such as backing up for every other week. In addition, we may add more complex rules for running jobs, e.g. run a command when the load of the server is higher than a certain level. With the help of the shell
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Conference Ranking by Average Number of Citations in the Last 5 Years, 2012

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I am trying to find out the top conferences that have the largest average number of citations in the last 5 years on the Internet but fail to find one. However, there are many rankings about the overall citations and numbers of publications. Hence, it is not hard to calculate the average number of citations
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