array flatten

Ways to change the original array:POPs (); Deletes the first element of the tail and returns the element; var a = [1,2,3]; var B = A.pop (); Console.log (a);//[1,2] Console.log (b);//3Similar methods: push (); tail pushing; returning array length; Shift (); top eject; return the element; Unshift (), top sub-entry, return array length, reverse (), reverse array, r

(1) method of the PHP object to the array (object to array): /** * Object turn array /function Object_to_array ($obj) { $_arr=is_object ($obj)? Get_object_vars ($obj ): $obj; foreach ($_arr as $key => $val) { $val = (Is_array ($val)) Is_object ($val) Object_to_array ($val): $val; $arr [$key]= $val; } return $arr; } (2) method of PHP JSON character to

A two-dimensional array. php: php converts a one-dimensional array to a two-dimensional array consisting of three consecutive values: this example describes how php converts a one-dimensional array to a two-dimensional array consisting of three consecutive values. For your r

It seems that there are no array constants.Common array referenceVoid function (INT ( array) [5]) Studies have found that the wood has been defined successfully, and the constant array is that each member in the array cannot be modified, so the

See a problem on the Internet: The result of Array ("a") +array ("B") is ___ A.array ("A", "B")B.array ("B", "a")C.array ("B")D.array ("a") Answer: D PHP two arrays added, why the result is still the same? Because they are equivalent to array ("0″=>") +array ("0″=>"), they have the same key name, which cannot be o

Find in a two-dimensional array, the young matrix in a two-dimensional array, each row is ordered in ascending order from left to right. Each column is sorted in ascending order from top to bottom. Complete a function, enter an array and a number to determine if the array contains this number # include Copyright NOTIC

C ++ array, two-dimensional array, function parameter, array two-dimensional array One-dimensional array: 1 # include Two-dimensional array: 1 # include Arrays and functions: 1 # include Supplement: 1 # include

See this problem in the group, do it with python,defFind (array): v_sum= Greatest =0 forAinchArray:v_sum+=a v_sum= 0ifV_sum ElseV_sum Greatest= V_sumifV_sum > GreatestElseGreatestifV_sum = =0:greatest=array[0] forAincharray:greatest= AifGreatest ElseGreatestPrintgreatestarr1= [1, 2,-4, 3, 3]find (arr1)Idea: from left to right sliding scale, if the v_sum is positive, you can continue to add to the back of th

Array deduplication Array, Array deduplication Array var aee3=[31,42,13,19,5,11,8,13,40,39,1,8,44,15,3]; Array.prototype.unqu2=function(){ this.sort(); var arr2=[this[0]]; for (var j = 1; j There are a lot of de-duplication methods on the Internet, and the most stupid is the second me

In this paper, an example of PHP array bubble sorting algorithm is described. Share to everyone for your reference, as follows: More about PHP related content readers can view this site topic: "PHP array" operation Skills Daquan, "PHP Sorting algorithm Summary", "PHP common traversal algorithm and skills summary", "PHP Data structure and algorithm tutorial", "PHP Programming Algorithm Summary", " PH

Dictionary1. Fast enumeration Forin runtime cannot change internal dataFor ( Inch //object//ArrayFor (contact *contact in friends) { [contact show]; }Determine if empty nsstring *ns ==nil Nsinteger inte==0A. DictionaryA dictionary? is used to save a mapping relationship (Key-valueThe collection of data. Value,keyNsdictionary *liudehua=[[nsdictionary alloc]initwithobjectsandkeys:@ "Liudehua", @ "name", @ "Man", @" Sex ", [nsnumber numberwithint:56],@ "Age", NIL];//PassKeyGetValuensstring* Sex=[l

This article uses CSS3 flat loading animation effects The code is as follows: css3 Rotation Loading effect _ Q browser: FireFox, Chrome, Opera, Edge, Proud Tour, Sogou, window of the world. IE8 and the

In recent data processing, the rainfall data collected in one place is arranged by month, as shown in the following table: Station Year Type Month 1 2 3 4 ... 29 30

How can I change the color of the TEXTAREA scroll bar and button, and how to make the scroll bar flat rather than highlighted?Thank you. I'm sorry.1st FloorSCROLLBAR-HIGHLIGHT-COLOR: # e7dbbd;SCROLLBAR-SHADOW-COLOR: # d9c69f;SCROLLBAR-3DLIGHT-COLOR:

The current flattening of UI design is at its zenith, starting with Microsoft's Windows 8, and then Google's Android, the current Apple IPhone IOS, using a flat design concept. But do you really understand what flattening is? This can not help but

Example of array deduplication and flattening in Javascript, javascript Array Array judgment Before we talk about how to deduplicate and flatten arrays, let's first talk about how to judge arrays, because to process arrays, we must first determine whether the next data is an array