thinkphp List_to_tree for unlimited class listing all nodes
The List_to_tree is easy to use and can be viewed in detail in the manual. Because I need to list all the nodes at the same time, so I wrote a recursive function, for everyone to refer to.
Public Function Index () { Load (' extend '); Load extension method $Category =d (' Category ')
List_to_tree of Thinkphp allows you to list all nodes in an infinite number of categories. The list_to_tree function of Thinkphp is convenient to list all nodes in an infinitely classified manner. For more information, see the manual. Because I need to list
[:])# [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]print(list1[3:])# [3, 4, 5, 6, 7, 8, 9]print(list1[3:5])# [3, 4]print(list1[1:5:2])# [1, 3]From here we can see that the use of slices and range is similar, are three parameters, respectively, control the start, end and step, in the range we can use-1, then in the same way, in the slice, the same, for each list item, not only a positive ordinal, there is a reverse ordinal, The last element can be expressed using lis
Use the find/find-all match method to find the list element. find-allmatchFind a sublist in the list
Assume that the database contains several rows of records. The returned results of the newlisp mysql module use a list to indicate these rows of records. Each element is a list
My Java development and learning journey ------> use a recursive loop algorithm to list all the data counts in the array ------ Recursion
The interview questions are as follows: list all the combinations of numbers in an array, for example, columns 1 and 2 are 1, 2, 12, and 21.
(The interview questions are from the Ja
List_to_tree of Thinkphp allows you to list all nodes in an infinite number of categories. thinkphptreeList_to_tree is very convenient to use. For more information, see the manual. Because I need to list all nodes at the same time when using it, I wrote a recursive function for your reference.
Public function index ()
There are many methods for the list type. here, there are many methods for listing all methods of the list type. here, all methods of the list type are:
List. append (x)
Add an element to the end of the
What would you do if we wanted to copy the names of all the files in a folder? I believe many friends will use to rename a file first, and then copy the filename. But if there is a lot of files, we have to do this one at a time will be quite troublesome, then there is no better way? Next Pepsi Network small series to share with you a one-time automatic generation of all file name
When using the Sina Weibo API for projects, you need to get a list of all the users who forwarded a particular microblog. decided to use Statuses/repost_timeline to get a forwarding list, but found two questions:
1: Sina Weibo has restrictions on this interface and can only return the latest 2000 data. The official document says: This interface returns up to the
How to list all members of a certain type
This example allows you to list members of a given data type. The function of listing type members is a good way to quickly discover which elements are available. It is an important tool for reporting in the system and helping develop user documents. UseReflectionNamespace. You can control the member types and other infor
intended to pass events between sibling components Eventhandler.js Code: 2, create a new component Brother1.vue in the components directory. Through Eve‘, Listtime:' 2017-09-13 22:49 ' }, ]explanation of ideas:1, get the destination address: http://www.cnblogs.com/ghostwu/All HTML content2, extract all the HTML content of the article3, extract each article below the corresponding (article title, hyperlin
stack level getmetatable (obj, mtable) of the function that this table has obtained-gets the current meta table or user data object. loadstring ("LUA Code")-Parse the LUA code block in a string and return the result as a function next (table, index)-Returns the next key, a pair of table values. Allow traversal of the entire table pcall (Fu NC, Arg1, arg2, ...) -protected invocation. Executes the contents of the function while capturing all except
This article mainly introduces how to display all elements in the JS drop-down list box. it involves the javascript traversal of the drop-down list elements and has some reference value, for more information about how to display all elements in the JS drop-down list box, see
(Mysql) how to determine whether a numeric variable is included in a table field and list all data in the table containing the variable. if the table contains the following idcsite fields .... 11,2, 13 .... nbsp; 22,3, 4 ...., 5 ...., 23 .... 5. how does mysql determine whether a numeric variable is included in a table field and list
Problem: The code is as follows: {code ...} {code ...} result output: Duplicate data is obtained. if the list contains departments, the data will be repeated. how can this problem be solved? The result I need is that every call can get the id of all sub-departments under the current department, in the shape of a one-dimensional array...
Problem:The code is as follows:
// Search for the public static functio
Author: Ji Xu
"IT168 informatization "method One: You can use Tcode:suim directly (User information System).
method Two: Use SA38 directly to perform familiar reports, some reports are as follows:
Program:description
RSUSR000 Current Active Users
RSUSR001 Infosystem Authorizations
RSUSR002 Users by complex selection criteria
Rsusr002_address Users by ADDRESS data
RSUSR003 Check The passwords of Users sap* and DDIC in all clients
RSUSR004 Restrict Use
2. Move all elements in the list that are odd to the front of an even-numbered node and ensure that the order of the odd numbers is constant and the order of the even numbers is the same. Example:Order of the linked list after the order of the Swap list4→5→3→1→2 ==> 5→3→1→4→21 ==> 1 (linked list contains only one eleme
C # uses the console to list the current list of all available printers. Share to everyone for your reference. Specific as follows://the initial C # code for the WMI query is generated by WMI code//generator, Version 5.00, Http://www.robvanderwo ude.com/wmigen.php using System; Using System.Management; Using System.Collections; Namespace Robvanderwoude {public cl
Return the Media Access Control (MAC) addresses of all NICs in the computer and the list of network protocols for each IP address. They can be returned either from the local address or through the network.
SyntaxGetmac[.exe] [/s computer [/u domain \ User [/P Password] [/FO {table | list | CSV}] [/NH] [/V]
Parameters/S computerSpecify the remote computer name
There are many ways to list types, and here are all the methods of the list type:
List.append (x)
Adds an element to the end of the list, equivalent to A[len (a):] = [x].
List.extend (L)
Adds all the elements from a given list to
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