For questions about the history of programming and computing.

learn more… | top users | synonyms

42
votes
4answers
2k views

Why is Java version 1.X referred to as Java X?

I saw that Java 1.2 is also known as Java 2. Do "Java 1.x" and "Java x" (for example "Java 1.6" and "Java 6") refer to the same version of Java? And if yes, why the need for this duality?
3
votes
2answers
491 views

History of Associative Array?

In quite a lot of modern scripting languages (e.g. Perl, Python, Ruby, PHP, Lua, JavaScript), associative arrays are supported as a primitive or first-class data type (with various names like map, ...
11
votes
1answer
859 views

Why did object-oriented paradigms take so long to go mainstream?

I read this question and it got me thinking about another fairly recent thing. Object oriented languages. I'm not sure when the first one was created, but why did it take so long before they became ...
87
votes
14answers
16k views

What triggered the popularity of lambda functions in modern mainstream programming languages?

In the last few years anonymous functions (AKA lambda functions) have become a very popular language construct and almost every major / mainstream programming language has introduced them or is ...
7
votes
1answer
1k views

Why is the code section called a text section?

The section of an executable that contains code is sometimes called the .text section. In segmented memory architectures, a segment mapped as code is sometimes called a text segment. The unix error ...
25
votes
9answers
3k views

Why didn't “cloud computing” offer appear earlier?

Cloud computing is a model of renting resources - servers and data storage. Both servers and data storage have been around for much more than a decade so far. Yet cloud computing offers only appeared ...
83
votes
2answers
6k views

What is JavaScript, really?

All this started when I was looking for a way to test my webpage for JavaScript conformance like the W3C HTML Validator. I have not found one yet. So let me know if you know of any... I looked for ...
3
votes
4answers
4k views

Why does Java have a “bad rap” [closed]

I hear a lot of people speak poorly of Java, especially the ones coming from C/C++. Is there a historical reason why? Is it because it used to be machines were too slow to run the JVM without lag?
17
votes
6answers
699 views

Why did the web win the space of remote applications and X not?

The X Window System is 25 years old, it had it's birthday yesterday (on the 15'th). As you probably are aware of, one of it's most important features is the separation of the server side and the ...
1
vote
1answer
330 views

Which language came first with parallel assignment?

When I discovered that python has parallel assignment I thought is pretty cool. Recently I discovered parallel assignment works also in ruby. For people that don't know it: x,y = y,x in ruby, ...
0
votes
1answer
842 views

Where can I find a punched card simulator? [duplicate]

Possible Duplicate: Learning to program on punchcards I wasn't born in the era, but I'd like to experience writing a program with punch cards. Does anyone know of a program or an online ...
0
votes
3answers
180 views

What was the first consumer-oriented hardware/software solution? [closed]

We all know the story of the personal computer as a consumer-oriented product. But I just thought that real end user solution should have appeared before that time. So a product that was probably ...
25
votes
2answers
4k views

Why was the percent sign (%) chosen as the format specifier for the printf family of functions?

Everyone knows that, at least in C, you use the printf family of functions to print a formatted string. And these functions use a percent sign (%) to indicate the beginning of a format specifier. For ...
38
votes
15answers
10k views

How have languages influenced CPU design? [closed]

We are often told that the hardware doesn't care what language a program is written in as it only sees the compiled binary code, however this is not the whole truth. For example, consider the humble ...
4
votes
3answers
581 views

What was the first server-side language [closed]

I was thinking about different server-side languages and this question immediately cropped up in my mind. What was the first server-side programming language using which websites were being created? ...
42
votes
8answers
4k views

Why a static main method in Java and C#, rather than a constructor?

I’m Looking for a definitive answer from a primary or secondary source for why (notably) Java and C# decided to have a static method as their entry point, rather than representing an application ...
15
votes
6answers
2k views

What came first, the compiler, or the source?

I'm curious about the birth of the compiler. How did programming begin? Did people first build hardware that recognized a certain set of commands, or did people define a language and then build ...
4
votes
3answers
2k views

C Flexible Arrays: When did they become part of the standard?

I learned to program in C many years ago, and used C steadily for about 10 years. These days, I occasionally have to look at C code, because our Informix 4GL RDS customized runners also contain C ...
5
votes
1answer
287 views

What was the first commercial open-source software?

According to the Wikipedia article on open-source, the philosophy of sharing code has been used in projects since the early computer days (mostly through Universities sharing code). However, I'm ...
9
votes
2answers
319 views

Why has the accessor methods from the JavaBean specification become the standard for Java development?

The JavaBeans Specification describes a JavaBean as A Java Bean is a reusable software component that can be manipulated visually in a builder tool Since the majority of the lines of code ...
12
votes
3answers
836 views

Historical origins of Scala implicits

Scala has been called complex with its rich feature set by many of my colleagues and some even blamed all those new features of it. While most programmers are aware of the OO-features, and at least ...
13
votes
3answers
836 views

Why is the “kill” command called so?

Why was it decided to call the kill command "kill"? I mean, yes, this utility is often used to terminate processes, but it can actually be used to send any signal. Isn't it slightly confusing? Maybe ...
12
votes
6answers
3k views

What does Jamie Zawinski's Law mean?

I need a proper explaination of Jamie Zawinski's Law of Software Envelopment: Every program attempts to expand until it can read mail. Those programs which cannot so expand are replaced by ones ...
4
votes
3answers
798 views

First dedicated IDE?

What was the first program that was created as a dedicated IDE? That is, purpose built for coding, rather than simply allowing integration as part of its expansion options. This is opposed to a text ...
4
votes
2answers
945 views

Why was ASCII needed?

With an encoding such as EBCDIC being in existence already (and being 8 bit to boot), what was the need to invent yet another encoding and a 7 bit one at that? Why was ASCII invented and what ...
6
votes
3answers
2k views

What was the historical impact of Ariane 5's Flight 501?

The disintegration of the Ariane 5 rocket 37 seconds after launch on her maiden voyage (Flight 501) is commonly referred to as one of the most expensive software bugs in history1: It took the ...
6
votes
4answers
2k views

Who was the first software engineer?

It's fairly well known who the first programmer was but who was or were the first software engineer(s)? By software engineer I mean someone who uses formalized specifications and methods to deliver ...
15
votes
3answers
3k views

Who was the first programmer?

Is there some consensus among historians on who was the first programmer ever? If so, who was it and what were they programming on? I find it more interesting to know more about the pioneers of ...
8
votes
2answers
310 views

How were Fortran's original control structures insufficient?

In my Programming Language Concepts class it was mentioned in passing that Fortran's original control structures were insufficient. It was alluded that they were too similar to machine instructions ...
49
votes
6answers
9k views

Who created the idea(s) of the first loop constructs?

while (1) { if (1+1==2) { print "Yes, you paid attention in Preschool!"; } else { print "Wait... I thought 1+1=2"; } } As a developer, we all have to use ...
43
votes
22answers
8k views

Was classical BASIC ever used for commercial software development, and if so, how were limitations overcome?

Many of us, including me, started their programming life with programs written on home computers, something like 10 PRINT "ENTER RADIUS" 20 INPUT R 30 PRINT "CIRCUMFERENCE="; 2 * R * PI 40 PRINT ...
29
votes
2answers
2k views

Why did the Haskell committee choose monads to represent I/O?

The Clean language uses uniqueness types to handle I/O in a purely functional setting. Why did the Haskell committee go with monads instead? Were there other proposals for handling state that the ...
8
votes
4answers
331 views

Origin of structures and classes

What design and implementation issues did programmers have to solve when they decided first to use structures and classes? When did this happened and who were the pioneers behind these ideas? Note, ...
9
votes
2answers
2k views

Is the 14th line of The Zen of Python a reference to Dijkstra?

Python's Zen states on line 14 that: Although that way may not be obvious at first unless you're Dutch. Is this a reference to the famous Dutch computer scientist Edsger W. Dijkstra?
1
vote
2answers
1k views

Why is 24 lines a common default terminal height?

80x24 characters seems to be a very common default for terminal windows. This answer provides a very good historical reason as to why the width is 80 characters. But why is the height commonly 24 ...
282
votes
9answers
67k views

Why is 80 characters the 'standard' limit for code width?

Why is 80 characters the "standard" limit for code width? Why 80 and not 79, 81 or 100? What is the origin of this particular value?
38
votes
3answers
9k views

What were the “core” API packages of Java 1.0?

Reading about the Google v Oracle case, I came across these questions (apparently from the presiding Judge) ... Is it agreed that the following is true, at least as of 1996? The following ...
260
votes
4answers
97k views

What software programming languages were used by the Soviet Union's space program?

I got interested in the Soviet space program and was interested to discover that the software on the Buran spacecraft circa 1988 was written in Prolog. Does anyone know what languages might have ...
2
votes
4answers
1k views

Why is a database represented as a cylinder in architecture drawings? [closed]

I'm a young upstart programmer and I've never actually seen a database. But computers in large part come in boxes, not in cylinders so I was wondering why they are always represented as a cylinder ...
4
votes
3answers
2k views

What was the most used programming language before C was created? [closed]

C is a language written between '69 and '73 according to WIkipedia. I imagine it made programming a whole lot easier and opened the gate for other programming languages. My question, however, is what ...
14
votes
1answer
3k views

What did they call Object-Oriented Programming before Alan Kay invented the term?

Alan Kay claims that "I made up the term "object-oriented", and I can tell you I did not have C++ in mind." What he had in mind, of course, was Smalltalk. But he did not make up object-oriented ...
5
votes
5answers
3k views

False friends? Keyword “static” in C compared to C++, C# and Java

To me, the use of the keyword static in C and languages like C# and Java are "false friends" like "to become" in English and "bekommen" in German (= "to get" in English), because they mean different ...
7
votes
1answer
186 views

Strategy for restoring state via URL in web apps

This is a question about modern web apps, where a single page is loaded, and all subsequent navigation is done by XHR calls and modifying the DOM. We can use libraries that manipulate the hash ...
7
votes
7answers
10k views

What was the first programming language written for computers? [closed]

Looking at so many programming languages we have today, each one being unique in it's own way, I've tried to figure out what the first programming language written for computers is. Looking at the ...
2
votes
4answers
655 views

Which applications have driven the mass spread of floating point units? [closed]

Floating point units are standard on CPUs today, and even desktops might use them today (3D effects). However, I wonder which applications have initially driven the development and mass adoption of ...
18
votes
5answers
3k views

Why are several popular programming languages influenced by C? [closed]

The Top 10 programming languages, according to the TIOBE index seem to be heavily influenced by C: 1. Java The language derives much of its syntax from C and C++ but has a simpler object model ...
3
votes
2answers
339 views

What is the origin of sessions, by whom and when were they created?

I know sessions are in PHP, ASP, ASP.NET and probably in many other languages. In most cases session solve a problem which the language itself fails to solve. I am wondering Who created sessions and ...
3
votes
1answer
363 views

How to explain the history of programming to non-programmers? [closed]

Sorry if this question is not appropriate for this stack exchange site, I've never used this one before. I am doing my senior project on computer programming. I'm going to be presenting the project ...
11
votes
3answers
850 views

Why didn't the C++ Standard adopt expression templates?

It's my understanding that expression templates as a technique were discovered significantly prior to the original C++ Standard in 1998. Why weren't they used to improve the performance of several ...
3
votes
2answers
473 views

Google Closure Compiler - what does the name mean?

I am curious about the Google Closure Compiler. Why did they name it that? Does it have anything to do with lexical closures? EDIT: I tried researching it in the FAQ and documentation, as well as ...