Show Results
Description
Entity name
Entity number
Space
nbsp;
#160;
Less than sign
#60;
>
Greater than sign
gt;
#62;
and number
amp;
#38;
"
Quotes
quot;
#34;
‘
Apostrophe
apos; (ie not supported)
#39;
¢
Score of
cent;
#162;
user to root, and the SU command must enter the root password on the command line. In this case, it is obviously not possible to use the method mentioned above.The Popen () function opens a process pipeline to execute the given command, returning a file handle. Now that you have returned a file handle, you can read and write to it. In PHP3, the handle can only be done in a single mode of operation, either written or read, and starting from PHP4, you can read and write at the same time. Unless t
name
Entity number
Space
nbsp;
#160;
Less than sign
#60;
>
Greater than sign
gt;
#62;
and number
amp;
#38;
"
Quotes
quot;
#34;
‘
Apostrophe
apos; (ie not supported)
#39;
¢
Score of
cent;
#162;
£
Pounds
pound;
Description
Entity name
Entity number
Space
nbsp;
#160;
Less than sign
#60;
>
Greater than sign
gt;
#62;
and number
amp;
#38;
"
Quotes
quot;
#34;
‘
Apostrophe
apos; (ie not supported)
#39;
¢
Score of
cent;
#162;
HTML 4.01 supports the ISO 8859-1 (Latin-1) character set.The lower part of the Iso-8859-1 (code from 1 to 127) is the original 7-bit ASCII.The higher parts of Iso-8859-1 (code from 160 to 255) all have entity names.Most of these symbols can be used without an entity reference, but the entity name or entity number provides a way to express the symbols that are not easily typed by the keyboard.Note: The entity name is case sensitive.ASCII Entity with entity name
Results
Descr
executed:return the last command exit statusFatal during Execution:return Non-zero3) PassThru ()Prototype: void PassThru (String $command [, int $return _var])Description: The difference between PassThru and system, passthru directly outputs the result to the viewer, does not return any values, and it can output binary, image-like data. The second parameter is optional and is the status code.Header ("Content-type:image/gif");PassThru ("/usr/bin/ppm2tiff/usr/share/tk8.4/demos/images/teapot.ppm"
Customizing the object and customizing the single-double-quote placeholder var jsonquotesutil = new Jsonquotesutil ();//create object using default single double quote placeholder */var jsonquotes Util = new Jsonquotesutil ();//Create an object using the default single double quote placeholder var a =$ ("#single"). Val ();//Gets the single-quote placeholder var double = $ ("#do Uble "). Val ();//Gets the double-quote placeholder for the input if ($.trim (single)! =" ") {Jsonquotesutil.setsingle
+ SignoCan ' t not find command:127Can ' t not execute:126Shell script successfully executed:return the last command exit statusFatal during Execution:return Non-zero3) PassThru ()Prototype: void PassThru (String $command [, int $return _var])String $command: Command to execute (required)int $return _var: Whether the execution succeeds (optional), the status code used to get the command execution, usually the success of the execution is returned 0Description: The difference between PassThru a
HTML and XHTML transmit data over the network with standard 7-bit ASCII code.A 7-bit ASCII code can provide 128 different character values.7-bit ASCII code to displayHTML>------Result Description Entity number space #32;! Exclamation mark #33; " Quotation mark #34; # sign #35, dollar sign #36,% percent Sign #37; Ampersand #38; ' Apostrophe #39;(left parenthesis #40;) right parenthesis #41; * asterisk #42; + Plus sign #43, co
For example:
Echo ' WhoAmI ';
Export the database, the folder to be imported must have writable permission, the content after-u-p must be written next to each other
Echo ' mysqldump-h localhost-u$dbuser-p$dbpwd--default-character-set=utf8 $DbName >/var/$dumpFileName ';
The above describes the PHP with the anti-apostrophe (', that is, the ESC key on the keyboard, and ~ on the same top) to execute external commands, including the aspects of the con
All the escape characters and their corresponding meanings:
Escape character
Significance
ASCII code value (decimal)
\a
Bell (BEL)
007
\b
BACKSPACE (BS) to move the current position to the previous column
008
\f
Page Break (FF), moving the current position to the beginning of the next page
012
\ n
Line Break (LF), move the current position to the beginning of the next line
010
Original addressIn HTML, some characters are reserved.The less than sign (If you want to display reserved characters correctly, we must use the character entity (character entities) in the HTML source code. For example, to write this log in front of the display of greater than (>), less than (The character entity looks like this: entity_name;Or #entity_number;To show the less than sign, we have to write this:Tip: The advantage of using entity names instead of numbers is that names are easy to
;
and number
amp;
#38;
"
Quotes
quot;
#34;
‘
Apostrophe
apos; (ie not supported)
#39;
Some other commonly used character entities
Show Results
Description
Entity name
Entity number
¢
Score of
cent;
#162;
£
Pounds
pound;
#163;
¥
Yen
password is verygood. For reference only*/$sucommand = "Su--login root--command";$useradd = "Useradd";$ROOTPASSWD = "Verygood";$user = "James";$user _add = sprintf ("%s"%s "%s", $sucommand, $useradd, $user);$fp = @popen ($user _add, "w");@fputs ($fp, $ROOTPASSWD);@pclose ($FP);?>3) Use the anti-apostrophe (', that is, the one below the ESC key on the keyboard, and ~ on the same top)This method was not previously included in the PHP document, as a tri
instruction.If an error occurs in execution, a nonzero value is returned.Fatal signal:128 + SignoCan ' t not find command:127Can ' t not execute:126Shell script Successfullyexecuted:return The last command exit statusFatal during Execution:return Non-zero3) PassThru ()Prototype: void PassThru (String$command [, int $return _var])Description: The difference between PassThru and system, passthru directly outputs the result to the viewer, does not return any values, and it can output binary, imag
Topic:You are given a n x n 2D matrix representing an image.Rotate the image by degrees (clockwise).Follow up:Could do this in-place?Train of thought 1: Find correspondence, 90 degree flip is: Old ordinate--new horizontal axis New ordinate = the old horizontal axis inversion (maximum height-the old horizontal axis) Public voidRotateint[] matrix) { int[] Temp =New int[Matrix.length] [Matrix[0].length]; for(inti = 0; i){ for(intj = 0; j) {Temp[j][matrix.length-1-i] =Matrix[
DescriptionTEX is a typesetting language developed by Donald Knuth. It takes source text together with a few typesetting instructions and produces, one hopes, a beautiful document. Beautiful documents use Double-left-quote and double-right-quote to delimit quotations, rather than the mundane "which What's provided by the most keyboards. Keyboards typically do not has an oriented double-quote, but they does have a left-single-quote ' and a right-single-quote ‘. Check your keyboard now to locate t
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.