1. The origin of carriage return and line feed
First, clarify two concepts:
Press ENTER Cr-move the cursor to the beginning of the current row.Wrap lf-move the cursor vertical to the next line. (Instead of moving to the beginning of the next line, that is, do not change the horizontal position of the cursor)
Before the computer appeared, there was a kind of thing called teletype model 33, which also came from the TTY concept in Linux/Unix. It can contain 10 characters per second. But ther
PHP Learning Series (1) -- string processing functions (4), php Functions
16. The hebrevc () function switches the flow of Hebrew text from right to left to the flow from left to right. It also converts the new line (\ n) to Syntax: hebrev (string, maxcharline)
Maxcharline specifies the maximum number of characters in each line. If possible, hebrev () will avoid breaking words. Tip: hebrev () and hebrevc () can convert the
use a placeholder. After the placeholder is inserted in the% symbol, it consists of a number and a "\$". See Example 3.Tip: Related functions: printf (), sprintf (), vfprintf (), vprintf (), and vsprintf ().Example Example 1fprintf($file,"%s world. Day number %u",$str,$number);? >Output:27The following text will be written to "test.txt":Hello World. Day Number 123Example 2fprintf($file,"%f",$number); ? >Output:123.000000Example 3Use placeholders:fprintf($file,"With 2 decimals: %1\$.2f\nWith no
document) with VIM or gedit under Linux (or a new. C document, which can be browsed in Windows with VC6.0!). )。 To open it, you can also enter the command directly: (Note that if the file name is Chinese, it may not be found, you need LS, then copy the file name, and then gedit paste the file name) Gedit Xx.doc or Vim Xx.doc (not recommended, VIM may not support traditional Chinese characters) or directly find the file, click, Open Office, select Character Set (System), character (SYSong18030),
, hebrev () will avoid breaking words.Note: hebrev () and hebrevc () can convert the Hebrew logical text to the Hebrew visible text. Hebrew visible text does not require special support for right-to-left characters, which makes it useful for displaying Hebrew text on the web.
How does php handle strings?
Through learn
it to show, and the background color is visible for a brief moment, so make sure to pick a color That's suitable.Running the Installer silentlyThe standalone installer supports the switches /s /q /silent or for /quiet silent installation.===DetailsCurrent version: V0 Beta 2 (v0.0.1.2)CharacteristicsModify guided animations, colors, text, and backgroundsModify your resume from the hibernation screenwill create animations from 105 bmp, PNG, GIF, or TIFF images, or use a single (non-animated) imag
PHP String Handling functions
Addcslashes? Adds a backslash escape character to a partial character inside a stringAddslashes? Escapes characters inside a string in the specified mannerBin2Hex? Converts binary data to hexadecimal representationChop? alias function for RTrim ()Chr? Returns the ASCII code of a characterChunk_split? Splits a string into small pieces at a certain length of characterConvert_cyr_string? Convert Slavic characters to other charactersConvert_uudecode? Decrypt a string
from other names) = the font name. For example
Monospaced. Plain. alphabetic = Courier NewMonospaced. Plain. chinese-ms950 = mingliuMonospaced. Plain. hebrew = DavidMonospaced. Plain. japan ese = MS GothicMonospaced. Plain. Korean = gulimche
Monospaced. Bold. alphabetic = Courier New boldMonospaced. Bold. chinese-ms950 = pmingliuMonospaced. Bold. hebrew = David boldMonospaced. Bold. japan ese = MS GothicMo
-8859-2 Central European character (ISO)
1250 windows-1250 Central European character (Windows)
936 gb2312 Simplified Chinese (GB2312)
52936 hz-gb-2312 Simplified Chinese (Hz)
950 Big5 Traditional Chinese (BIG5)
866 cp866 Cyrillic character (DOS)
28595 iso-8859-5 Cyrillic character (ISO)
20866 koi8-r Cyrillic character (Koi8-r)
21866 Koi8-ru Cyrillic character (Koi8-u)
1251 windows-1251 Cyrillic character (Windows)
28597 iso-8859-7 Greek character (ISO)
1253 windows-1253 Greek characters (Window
effective, as for the operation after a time, has not solved the problem, it should be cool to think about the operation process, think of details, the problem may be in the operation details, verification method.Third, relevant knowledge1. How to view the character set currently used by the Windows operating systemChcpDisplays the number of code pages for the active console, or changes the active console code page for the console. If used without parameters, CHCP displays the number of active
At the beginning of the concept is only a little vague, not too concerned about, the results of a search only found that this thing is too interesting, not only has an interesting story, but also has a lot of doorways, but also brought up some of the previous memories, the original previously also dealt with this problem.1 Basic Concepts
Control characters
Original meaning
Line break
\ n
NewLine
LF (line Feed)
The cursor go
Line breaks in Linux and Windows
Carriage Return and line feed generate background
The origins and differences between carriage return and line feed.Before the computer appeared, there was a kind of device called teletype model 33, which can contain 10 characters per second. But there is a problem, that is, when a line breaks a line, it takes 0.2 seconds, just two characters. If a new character is passed in the 0.2 s, the character will be lost.As a result, the developers thought of a way to sol
Http://casec12.javaeye.com/blog/523160
Today, I have finally figured out the origins and differences between carriage return and line feed.Before the computer appeared, there was a kind of device called teletype model 33, which can contain 10 characters per second. But there is a problem, that is, when a line breaks a line, it takes 0.2 seconds, just two characters. If a new character is passed in the 0.2 s, the character will be lost.
As a result, the developers thought of a way to solve this p
they have already visited. They open an article or a book, usually reading one or two pages, and then jump to another place. The report said: "It is obvious that users are not reading online in traditional ways. On the contrary, there are signs of a new 'read' method: users browse the titles, content pages, and summaries in a massive manner to get results quickly. It is almost considered that they are surfing the Internet to avoid reading in the traditional sense ."
Cr: carriage return: return the front of the typewriter. Corresponding \ RLF: line feed, typewriter rolling down a line. corresponding to the \ n typewriter era, these are instructions for directing typewriter mechanical work, the computer era is only displayed on the screen. Cr + LF is a standard line break for text f
Why does the carriage return record come from:
Before the appearance of PC, secretaries used typewriter to print documents. (Brother is the most famous product version ).
The typewriter is printed with a lead character, and its keyboard is arranged in the same way as the current PC keyboard.
(In view of people's habits, the keyboard layout of typewriter keyboard
Enter key, that is, the entry on the keyboard, is a more useful key, in the text editing, enter the role of the return line, in the input URL when the key role is "go", in the implementation of the DOS command, the role of the Enter is to perform ... On the standard keyboard, there are 2 return keys, one on the right side of the main keyboard area, the top of the SHIFT key (pictured below), one on the lower-right corner of the keypad, and below the plus key.
History of the Enter key
About the
2012-10-20 Noip Demo Game
by COOLYANGZC
A total of 3 questions, time 3 hours
Topic name
Advanced Typewriter
Unequal series
Management and development
source file
Type.cpp/c/pas
Num.cpp/c/pas
Exploit.cpp/c/pas
Input file
Type.in
Num.in
Exploit.in
Output file
Type.out
Num.out
Exploit.out
Time limit
1000MS
1000MS
1000MS
Memor
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