lpic 1 study guide

used for client sniffing. Similar to jquery.support.6. TheJquery.each () tool function differs from the each () method in that the each() method can traverse only the JQuery object , and the tool function can traverse the array element or object properties.7,Jquery.extend () The function accepts the object as an argument, it copies the properties of the second and later parameter objects into the first parameter object, overwriting it if the property with the same name already exists in the fir

Study Notes for version 2 of Swift2 Development Guide (Day48) -- type check and conversion Inheritance occurs between the Child class and the parent class. It is an inheritance relationship of a series of classes. For example, Person is the root class in the class hierarchy, Student is the direct subclass of Person, and Worker is the direct subclass of Person. The specific implementation code of this inheri

: _date forkey:@"Date"]; [Acoder encodeobject:_content Forkey:@"content"];}-(ID) Initwithcoder: (Nscoder *) Adecoder {anti-coding self.date= [AdecoderDecodeobjectforkeY:@"Date"]; Self.content= [Adecoder Decodeobjectforkey:@"content"]; returnSelf ;}3 Anti-Archive: queryQuerying all data Methods-(nsmutablearray*) findall{nsstring *path = [self applicationdocumentsdirectoryfile]; Nsmutablearray *listdata = [[Nsmutablearray alloc] init]; NSData * thedata =[nsdata Datawithcontentsoffile:pat

Object.getownpropertydescriptor () . To set attributes for a property, or to have a new property with some attribute, you need to call Object.defineproperty (), pass in the object you want to modify, the name of the property you want to create or modify, and the property descriptor Object.18. to detect whether an object is a prototype of another object or in a prototype chain, use the isprototypeof () method . Similar to the instanceof Operator.19. to get the class of the object, you can call t

default when @param string $value has a value*/function Idselect ($SqlForm, $SelectName, $class, $SqlId, $SqlColumn, $title, $value) {$SEARCHSQL = mysql_query ("select * FROM {$SqlForm}");while ($Search = Mysql_fetch_array ($SEARCHSQL)) {$key = $Search [$SqlId];$option [$key] = $Search [$SqlColumn];}Return Select ($SelectName, $class, $title, $option, $value);}function Select ($name, $class, $title, $option, $value) {$result = "". Option ($title, $option, $value)."";Returns a full drop-down men

"$octal"]Ten Thenecho "$decimal equals $octal"Elseecho "$decimal isn't equal to $octal" # Equal to 017+ fi # doesn ' t evaluate within [single brackets]!if [["$decimal"-eq "$octal"]]Thenecho "$decimal equals $octal" # equals 017Elseecho "$decimal is not equal to $octal"FI # evaluates within [[double brackets]]!((...)) Arithmetic testIf the expression evaluates to 0, its exit status code is 1 or FalseIf the expression evaluates to non-0, its exit stat

${file#*.} : Take out the first one. And the string to the left: file.txt${file##*.} : Take out the last one. And the string to the left: txt${file%/*}: Take off the last bar/its right string:/dir1/dir2/dir3${file%%/*}: Remove the first/its right string: (null value)${FILE%.*}: Take off the last one. And the string to the right:/dir1/dir2/dir3/my.file${FILE%%.*}: Take out the first one. And the string to the right:/dir1/dir2/dir3/myThis article is from the "Linux is belong to You" blog, make sur

character. A reserved word is a reserved keyword that may not be a keyword now, and may become a keyword later.6. Object and array initialization expressions are actually creating a new object or arrays. Also known as: Object direct amount, array direct amount, however they are not original expression.7, array initialization, if there is no value in the middle, can be omitted directly;var myArray = [,,, 3]; Two values are omitted in the middle and are automatically populated with undefinedvar m

server contains 3 parts: 1, a number and a text-based status code to show the success and failure of the request. 2. A collection of response headers. 3, the response body. 6.get is used for regular requests , and he applies when the URL completely specifies the request resource when the request does not have any side effects on the server and when the server's response is cacheable. The post method is commonly used in HTML forms , which contain addi

9 1996" can also be accepted and parsed. However, the result Date object includes "Friday November 9 1996". JScript handles all of the standard time zones, as well as global standard times (UTC) and Greenwich Mean Time (GMT). Hours, minutes, and seconds are separated by colons. Although not all of these three items need to be specified. "10:", "10:11", and "10:11:12" are valid. Assuming a 24-hour clock is used, it is wrong to specify "PM" for the time after 12 o'clock noon.For example, "2

12th chapter list and generated content1, List-style-type:cjk-ideographic generate 1234 of the serial number2, whether it is UL or Ol,list-style-type unrecognized values are applied to decimal.3, the list-style-image will inherit.4, Shorthand: List-style:type | Image | PositionThe 13th Chapter user interface style;1. Outlines are similar to borders, but outlines do not participate in the document Flow .2. Outlines and borders can coexist .3, the conto

Margin-bottom, to clear the element set Margin-top is not convenient (the reason for clearing the area).7. For a non-root element, if the position value is absolute, the containing block is the nearest position value is not a static ancestor element .8. Top/right/bottom/left applies to elements where the position value is not static. The margin boundary of the element contains the offset of the inner margin boundary (border) of the block relative to it.9. Top:auto;left:auto in Position:absolute

element node, 3 represents the text node, 8 represents the comment node, and 11 represents the DocumentFragment node .14. The children property of the element object, similar to ChildNodes, is also a NodeList object, but the children list contains only the element object .15. The text and comment nodes do not have a children property, meaning that the Node.parentnode property cannot return a text or comment node .16. The Style property value of any HTML element is a cssstyledeclaration object,

the form is submitted .7. The onchange event handler for the text input field is triggered when the user enters new text or edits an existing text, indicating that the user has finished editing and moved the focus out of the text field .8. If the user directs to a new fragment in the document, thelocation.href will change , but document. The URL does not.9, document.write () joins its string argument, and then inserts the result string into the document where the script element is called.10. Th

. They is Java componentsD. You can control whether or not they'll be visibleE. All of the aboveAfter flipping through the textbooks, I found that all aspects were correct. In Java, it's possible to create a infinite loop out of the while and does loops, but not for-loops.A. TrueB. FalseWhile and do loops can be infinite loops, but for loops can be infinite loops. This is not true in many other programming languages, because For-loops has a starting and ending point for a set, but Java For-l

Study Notes on Cocos 3D functions (1) --- camera and cocos Study Notes Personal Original, welcome to reprint, reprint please note the address, column address http://blog.csdn.net/bill_man Preface With the improvement of mobile phone hardware and fierce competition in the gaming industry, gamers no longer need to meet the requirements of the Game Image in 2D mode.

Bios mcsdk 2.0 Study Notes (1), mcsdk Study NotesAbout MCSDK Bios mcsdk is a set of components provided for TI's high-performance multi-Core DSP, including: SYS/BIOS real-time operating system Chip support libraries, drivers, and basic platform utilities Run-time libraries (OpenMP, OpenEM) Interprocessor communication for communication between SS cores

to insert into 表(字段列表) values (对应的具体记录) Add to insert into 表 (对应的具体记录) Delete delete from 表名 where Code Hosting(run result of statistics.sh script)Last week's summary of the wrong quiz Interface features Set interface in the API collection Duplicate elements are not allowed, elements in countless order List Allow repeating elements, elements in order

Many people in the garden have already recommended this (referStrongly recommended: application architecture guide package V2.0), I like it so much that I keep a backup here and remind myself to study this architecture guide. :Http://www.codeplex.com/AppArchGuide/Release/ProjectReleases.aspx? Releaseid = 18834 Parts Part I, fundamentals of application ar

Open the book and enter the world of JavaScript. Used to look at all kinds of video, feel what harvest has not, but make brain confusion, hope to follow the rhythm of this book to master JavaScript this language, for my front-end learning lay the foundation.Pre-study Preparation: Web browser (F12 used to wake up and close the Firebug interface, Ctrl+shift+j to wake up the error Workbench, Console.log () Debug Assist)This book is divided into 4 parts: