how much is infinite warfare

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9 lines of code is too wasted, 5 lines of code is enough, no recursive implementation of infinite categorical data in the form of a tree

We know that many open source software's infinite classification is the recursive algorithm, but we know that recursion is a waste of time, but also a waste of space (memory),Last time I also shared a my own original infinite classification spanning tree method, a enthusiastic php expert netizens gave me a valuable adv

Whether the is_infinite () length of the oblique side of the right triangle is infinite

Definition and usage: is_infinite () determines whether it is an infinite value. Syntax: the is_infinite (x) parameter description x is required and specifies the value to be checked. Note: If x is positive or negative, for example, log (... definition and usage: is_infinite () determines whether it

Implementation of the PHP infinite Pole classification (no recursion is used)

Infinite pole classification is often used in development, for example: Department structure, article classification. The difficulty with infinite pole classification is "output" and "query", for example Output the category of the article as a Find the articles that are included in all categories under Ca

There are many infinite classification methods on the internet. to create a shopping website, you need many sub-classes and do not know which one is the best.

There are many infinite classification methods on the internet. to create a shopping website, we need many sub-classes. I don't know which one is the best? Rt; please help me introduce it. recursion is definitely not needed nbsp; I think there is an infinite array classific

Solving Java.math.BigDecimal Divide method operation result is infinite decimal problem

http://samueli.iteye.com/blog/224755BigDecimal Division operation error, errors are as follows:non-terminating decimal expansion; No exact representable decimal resultThe reasons are:BigDecimal Divide (BigDecimal divisor, int scale, int roundingmode)If divisor is zero, roundingmode==round_unnecessary and the specified are insufficient to represent The result of the division exactlySo when using divide, scale and roundingmode should be specified to ens

The result of database is an infinite classification algorithm based on left and right value sort

$Output;}//End Func/*** Short description.** Detail Description* @param None* @global None* @since 1.0* @access Private* @return void* @update Date Time*/function Getrootid (){$Query = "SELECT * from". $this->tablefix. " Catagory ' ORDER by ' Lft ' ASC LIMIT 1 ';$RootID = $this->db->getrow ($Query);if (count ($RootID) >0) {return $RootID [' Catagoryid '];}else{288104151return 0;}}//End Func/*** Short description.** Detail Description* @param None* @global None* @since 1.0* @access Private* @ret

There are many infinite classification methods on the internet. to create a shopping website, we need many sub-classes. I don't know which one is the best? -Php Tutorial

There are many infinite classification methods on the internet. to create a shopping website, we need many sub-classes. I don't know which one is the best? Unlimited classification which is the best? Rt; please help us to introduce it. recursion is definitely not needed. I still have an

Android: repeatcount = "infinite" is invalid in Set

XML is as follows: The function originally intended to be implemented is to make the transparency from 0 to 1, wait for 2 seconds, and then let the transparency from 1 to 0 to achieve the goal of flashing; the advantage of doing so is that you can control the display time; Some people say that setrepeatcount (animation. in

thinkphp Infinite classification and reconstruction speed is very slow

then sort out the enlighten function getBookmarkcategory($pid = 0, $result = array(), $spac = 0) { if(MODULE_NAME=="Home"){ $ispublic=0; $uid=session('uid'); $ispublic+="And bookmarkcategory_staffid = $uid"; }else if(MODULE_NAME=="Admin"){ $ispublic=1; } $Model = new Model(); $spac = $spac + 8; $res=$Model->query( "SELECT * FROM x_bookmarkcategory WHERE bo

An infinite rating menu that is not blocked by Flash, select, ActiveX, and cross Frame

An infinite rating menu that is not blocked by Flash, select, ActiveX, and cross Frame The menu is improved from the famous chromemenu, can be unlimited grading, using the method: 1. Add main Menu items Find the section similar to the following code: The following are the referenced contents: Add a 2. Add a drop-down menu for a main menu:

After the computer is started, it can complete self-check, but it cannot enter the system (xp sp3), and the infinite loop restart Solution

After the computer starts up, it can complete self-check, but it cannot go into the system (xp sp3). Moreover, the infinite loop restart solution has a small problem on the computer today, resulting in the failure to start the computer, and the BIOS can go in, self-check can be completed, but the system cannot be entered. Even the security mode cannot be used. It took an afternoon to finally get the computer ready. Next, let's talk about my solution:

A simple example of infinite loading when the scroll bar is implemented by jquery _jquery

Ideas: By capturing the browser scroll bar Drop-down event, the JS method of asynchronous loading data is triggered, and the data is dynamically added. Script: The Var lastid=0;//records the last record ID at the time of each load, related to how you sort. var isloading = false; $ (window). Bind ("scroll", function () { if ($ (document). ScrollTop () + $ (window). Height () > $ (doc

iOS development, using Uiscrollview and timers to implement an auto-infinite scrolling banner (of course, touch-drag is also supported)

First of all, we know that the ScrollView has the Contentsize attribute, set to drag, set this property to 3 Imagevie width.When the initialization is displayed, the direct setting of the contentsize is displayed in the position of the second ImageView, in the ScrollView proxy method, we can determine the value of the contentoffset.x, if the decrease is dragged t

An infinite loop solves the problem when the entity class bidirectional mapping is JSON serialized

[Email protected]The specified field is not serialized, and the Exampaper directory field is not serialized as follows@OneToMany (Mappedby = "Directory", fetch = fetchtype.lazy) @JsonIgnoreProperties ("directory") Private List[Email protected]Annotated fields are not serialized[email protected] and @jsonbackreferenceWhen serializing, attributes that are @JsonBackReference labels are ignored. Attributes tha

Sentiment: The vitality of new things is amazing, there are infinite opportunities

Three examples:1. When Delphi first appeared, who mastered its control development method, can occupy a place in the control market, who mastered its program development method, can do the project faster to make money. It was hard to wait until the flowers were blooming.2. Mobile phone programming just appeared, for everyone is a new thing, but the first to learn mobile phone programming people, is how popu

What happens when the new MacBook is set up with infinite chrysanthemums?

The new 12-inch Retina MacBook, unveiled at Apple's spring launch in March, has been on the market for many days, and users are beginning to experience minor problems in their initial use, such as System setup. In the past few days, there has been a constant user response to a new 12-inch Retina MacBook, which has an infinite number of chrysanthemums when it starts up. Specifically, users need to wait up to 30 minutes to take the next step, which

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