first typewriter invented

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Programming languages, all the way to the _ programming language

Man invented the programming language in order to control the machine. Computers are becoming more powerful, and programming languages are constantly being innovated. So I boldly believe that the meaning of programming language will be beyond the control of the machine, it may be a starting point of civilization-robot civilization. To better envision the programming language, let's take a look at its evolution. 1 The development of programming langua

The meaning of some directory names in Linux

user's path path so that they can use the program normally. So running the script usually works well in the bin.    TTYIn Linux, TTY may be the most confusing term to have a connection to a terminal. TTY is an old acronym for Teletype. Teletypes, or teletypewriters, originally refers to a telex typewriter, is a serial line with a printer keyboard by reading and sending messages, and the old Telegraph difference is not very large. Then, when the compu

ETC Directory name meaning---Digging old abbreviations in Linux

well in the bin.TtyIn Linux, TTY may be the most confusing term to have a connection to a terminal. TTY is an old acronym for Teletype. Teletypes, or teletypewriters, originally refers to a telex typewriter, is a serial line with a printer keyboard by reading and sending messages, and the old Telegraph difference is not very large. Then, when the computer can only run in batch mode (when the punch card reader is the only way to get the program to run

Terminal types for Linux

same author, so the text content is similar. One thing to note is that the terminal equipment is divided into 3 categories in Operating systems:design and implementation, while the modern Operating system divides the end hardware devices into 2 categories, the difference being that the former will be X Terminal as a category.====================================The word "TTY" originates from teletypes, or teletypewriters, which originally refers to a telex t

Implement a command-line editor with Python

"It looks rather foolish"--prefaceBut I'm a whole lot of ridiculous. Put on a piece of the currentIt looks comfortable, doesn't it? Even if everything is a pretence: the cursor can only be at the end, click on the left and right will exit, a line beyond 75 characters will be associated with the line number disappears, 36 lines of the program will be dashed-and can not be saved, as if a toy typewriter. But what about this? I like it! I want to put it o

errno error code and meaning (Chinese)

exist #define ENOTDIR/*not a directory * * No path exists #define EISDIR/* ISA Directory * * is the path #define EINVAL/*invalid Argument * * Invalid parameter #define ENFILE/*file Table overflow */File Table overflow #define EMFILE/* Toomany open files/* Too many open files #define ENOTTY/* Nota typewriter/non-typewriter #define ETXTBSY/*text file busy/text file busy #define EFBIG/* Filetoo Large * * file

The difference between \ R and \ n

\r:return to the far left of the current line. \n:newline moves down one line and does not move around. In Linux \ n means carriage return + newline; \ r \ n In Windows indicates carriage return + line wrapping. The Mac \ r indicates a carriage return + linefeed. History: Enter "(carriage return) and" line feed "the origins and differences between the two concepts.Before the computer appeared, there was a gadget called the teletype Model 33,linux/unix, which also came from this, and could

Go Summary of font settings in latex

Using the Times New Roman font should use the Txfonts macro package.Use the BM macro package for bold characters./BF converted to Roman, upright shape, blackbody series font attributes.It is converted to Roman, italic, and medium-weight series font properties./rm converted to Roman, upright, medium-weight series font attributes, which are the default fonts./sc converted to Roman, small capital shape, medium weight series font attributes./SF to the font properties of sans serif family, upright sh

Go Summary of font settings in latex

Using the Times New Roman font should use the Txfonts macro package.Use the BM macro package in bold text./BF into the Roman, upright shape, bold series of font attributes./It converts to a Roman, italic, medium-thick series of font attributes./rm into the Roman, upright, moderately thick series of font attributes, which is the default font./SC converts to Roman, small caps, and medium-weight series font properties./sf into sans-serif family, upright shape, medium-weight series of font propertie

HTML tag List

date/time. Defines the title of the document. Defines the rows in the table. Defines a text track used in a media player. Defines the typewriter text. do not approve of use. defines the underlined text. Defines an unordered list. Defines the variable part of the text. Define the video.

Jquery-based web Front-end 10 different application previews and source code, and jqueryweb front-end 10

. Let's share it with you... Download demo source code online 9. A navigation bar with a bubble prompt created using the grumble. js plug-in Grumble. js is a very special bubble shape prompt control. Today I use it to make a navigation bar. When the mouse moves into the menu option, a bubble prompt will appear, and the bubble prompt will disappear when the mouse moves out. Download demo source code online 10. Javascript achieves typewriter Effect Ja

Comparison between lined fonts and non-lined fonts _ experience exchange

The family of letters in Western countries is divided into two main families: serif and sansserif. Among them, typewriter is also a sansserif typing machine, but since it is an offset word, another Typewriter family is created. Serif indicates that there is an out-of-the-box operator at the beginning and end of the word, and the rough character of the operator varies depending on the direct character. On th

Latex font setting Summary

The txfonts macro package should be used when the Times New Roman font is used.BM macro packages should be used in bold characters. /BFTurn to the Roman family, upright shape, font attributes of the simhei series./It to Roman family, italic shape, font properties of medium weight series./RMTurn to the Roman family, upright shape, medium-weight family font properties, which is the default font./SC to Roman family, small capital shape, medium width family font attributes./SFTransform to the unline

Ten famous ideological labs

that occupies a large part of popular culture is the "infinite monkey theorem", also known as the "monkey and typewriter" experiment. The content of the theorem is that if countless monkeys randomly typed on countless typewriters for an infinite period of time, at some point, they will certainly write all of Shakespeare's books. The idea of monkeys and typewriters was promoted by the French mathematician Emile Borel in the early 20th century, but its

Differences between tty, Pty, and PTS in Linux

Basic concepts:1> tty (collectively referred to as the terminal device ):Tty is derived from teletypes or teletypewriters. Originally, it refers to a telex typewriter, which reads and sends messages through a printer keyboard through a serial line. Later, it was replaced by a keyboard and a display, so now it is more appropriate to call the terminal.A terminal is a type of terminal device. It has multiple types and generally uses tty for short.2> Pty

Chinese and Japanese equal-width Fonts

The same width font that comes with XP: Batangche Courier "Courier New" dotumche fixedsys gulimche gungsuhche "Lucida console" "lucida sans typewriter" mingliu "Ms Gothic" "Ms mincho" Terminal _ gb2312 _ gb2312-正 The same width font of Chinese and Japanese characters (excluding the fonts of Chinese names) provided by XP: (the first three types are recommended)"Courier New" "lucida sans typewriter" gulimche

Several good programming Fonts

, medium, and parentheses, single, and double quotation marks must be clearly identifiable and should not be strange. The following lists several nice-looking and easy-to-use fonts to share with you. (Refer to revisiting programming fonts and monospace/fixed width programmer's fonts)Cleartype Enabled (What is cleartype? Please refer to this introduction) After cleartype is enabled, the following fonts are available: Consolas-11pt/14px (quick download) Bitstream Vera sans mono-11pt/14px (quick

IOS: Custom uilabel

"numberoflines" attribute. see example given below: Code: Select All UILabel *multipleLines = [[UILabel alloc] initWithFrame:CGRectMake(120, 170, 90, 40)];multipleLines.text = @"Multiple Lines";multipleLines.numberOfLines = 2;multipleLines.textAlignment = UITextAlignmentCenter;multipleLines.layer.borderColor = [UIColor blackColor].CGColor;multipleLines.layer.borderWidth = 1.0; 6. Setting text to boldYou can set your text to bold by using "font" attribute. Example: Code:

TTY and PTS in Linux

TTY and PTS in Linux [to] 639473375 15:54:57 favorites | print | vote (6) | comment (0) | read (23803) ◇ fonts: [large, small] Tty is derived from teletypes or teletypewriters. Originally, it refers to a telex typewriter, which reads and sends messages through a printer keyboard through a serial line. Later, it was replaced by a keyboard and a display, so now it is more appropriate to call the terminal.But if we remotely telnet to the host or use xt

Getting started with HTML and getting started with html

Define subscript text. STF Defines the upper-level text. STF Define a table. STF Define the body content in the table. STF Define the units in the table. STF Defines text input controls for multiple rows. STF Define the table note content (footer) in the table ). STF Defines the header cell in the table. STF Define the table header content. STF

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