Create or replace procedure Test (tab_name in varchar2)Cursor cur_ref_cons_info (tab_name varchar2) is select B. column_name from user_constraints A, user_cons_columns B whereA. table_name = tab_name and A. constraint_type = 'r' and B. constraint_name = A. r_constraint_name;V_index number (1): = 0;Type refered_columns is table of user_cons_columns.column_name % type;V_refered_columns_array refered_columns: = refered_columns ();BeginOpen cur_ref_cons_info (tab_name );
LoopV_index: = v_index + 1;F
We know that the first element of an array is subscript 0. The range of the array is from array[0] to array[size–1]. In fact, C + + supports positive and negative subscripts. The negative subscript must be within the bounds of the array, otherwise the result is unpredictable. The following code shows the positive and negative group subscripts:#include A negative subscri
from start position backward5. Merging and intercepting arraysArray.slice (start,end);//Returns the part of the array as an array, noting that the end corresponding element is not included, and if the end is omitted, all elements after start are copiedArray.concat (array1,array2);//concatenation of multiple arrays into an array6. Sorting of Arraysarray.reverse ();//array inversionArray.Sort ();//array sort, return array address7. Array to stringArray.join (separator);//Connect the array reason
Author: zf19921020* Reprint Please indicate the source *
From the basic situation of the error is that the definition of vector vectors subscript overrun, and through the search and their own inquiry, reported the possibility of the following kinds of errors.1, a vector for the violation of the subscript access, that is, when the vector is not initialized with the [] operator to access the vector, here is
FormulaTime limit:4000/2000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 1204 Accepted Submission (s): 415Problem DescriptionF(N)=(∏I=1NIn−i+1)%1000000007 You were expected to write a program to calculate f (n) when a certain n was given.Inputmulti test Cases (about 100000), every case contains an integer n-a single line.Please process to the end of file.[Technical specification]n10000000 Outputfor each n,output f (n) in a.Sample Input2100Sample
This time to bring you a PHP delete array in the specified subscript element steps, the PHP delete array in the specified subscript element of attention to what, the following is the actual case, take a look.
1, before the array as the stack and the queue to delete the element operation, that is, in order to delete the regular. So, what if you need to remove an element from the middle of the array? You nee
the address to find HW. (an addressing operation was made)Handling arrays: No addressing, direct access.Char " HW "The operation of the pointer: the operation rule with the integer isP+n: (unsigned int) p+n*sizeof (*p);Subtraction between pointers: Note this pointer must be of the same typeP1-P2: ((unsigned int) p1-(unsigned int) p2)/sizeof (type);Conclusion:1. When the pointer p points to an element of a homogeneous array:P+1: Will point to the next element.P-1: Will point to the previous elem
Implement a custom string class that can be easily indexed to get a character value, or a portion of a string. It is also possible to assign values to a part by index.Class substring{var str:string = "" Init (str:string) {self.str = str; }/** Subscript Script: Get/Set part string **/subscript (Start:int, length:int), string {get{Let Index 1 = Str.index (Str.startindex, offsetby:start) Let Index2 = Str.index
Label:Mongodb can follow the subscript to isolate the elements of an inline array, but cannot query the subscript by the value of the element. For example, the elements in the array are the names of the people in the order of rank, andMongoDB can find names based on the rank (array subscript), but cannot find the rank (array
It is too cumbersome to set the superscript or subscript of the text through the options in the menu bar, which is more difficult to use when you need a lot of repetitive operations. You can look at the following five quick and easy ways ...
When editing text in Word, especially when you are editing a math or chemistry exercise or test paper, you need to set superscript or subscript for certain characters,
Recently, I met a student who used the Matlab web Service. I have heard of it, but I have never used it. It took a lot of time to configure it. The result failed, therefore, I leave a footprint here to warn my later students:
1. First, let's talk about matlab's webservice Service. To put it bluntly, we can call matlab on the server on the web page to perform computation, so as to utilize the powerful functi
. shift (); // Delete the first element. The array element is automatically moved forward and the deleted element is returned.Array. splice (start, delCount); // Delete delCount elements from the start position. 5. Merge and intercept ArraysCopy codeThe Code is as follows:Array. slice (start, end); // return part of the array in the form of an array. Note that the elements corresponding to the end are not included. If the end is omitted, all elements after the start are copied.Array. concat (arr
Recently, when you read the book "Java Virtual Machine in action", see the following example of a multi-threaded use of ArrayList in the Lock and Concurrency section:Two threads t1 and t2 add data to numberlist at the same time, because ArrayList is thread insecure, so it will cause the added data to have errors, which I can understand, but it is indeed the following error:I can not understand a bit, ArrayList is not automatic expansion, no length limit, why the array
Classes, structs, and enumerations can define subscripts, and he can quickly and easily access the elements of a collection (set,array,dict), and you can make use of subscripts to get and set the collection elements. You can define multiple subscripts for a type, which can be overloaded by the different index value types, and the number of indexed values may be multiple.GrammarLook at an example firstSubscript (index:int), Int { get { // return an appropriate
insert one or more new elements from the start position.
4. Delete Elements
The Code is as follows:
Array. pop (); // Delete the last element and return this element.Array. shift (); // Delete the first element. The array element is automatically moved forward and the deleted element is returned.Array. splice (start, delCount); // Delete delCount elements from the start position.
5. Merge and intercept Arrays
The Code is as follows:
Array. slice (start, end); // return part of the array
Summarize:1, the disadvantage of For-each cycle: lost the index information.When traversing a collection or array, if you need to access the index of a collection or array, it is best to use the old-fashioned way to loop or traverse, rather than using an enhanced for loop, because it loses subscript information.Enhanced for loop usage1. The effect of first enhancing for loop and iterator traversal is the same, it is said that the internal of the enhan
#include //use the value of char as an array subscript (for example, the number of occurrences of each character in the statistics string), taking into account the//Char may be a negative number. Some people consider that the first forced transformation to unsigned int is used as subscript, which is still//is wrong, because Char expands to int and then from int to unsigned int. //the correct approach is to
1, before the array as the stack and the queue to delete the element operation, that is, in order to delete the regular. So, what if you need to remove an element from the middle of the array? You need the unset () function We're going to talk about today.
2, the unset () function allows you to cancel an element in an array, but the array does not rebuild the index, that is, keep the original index, because the index in PHP has a special meaning.
This article mainly for you to share a PHP del
LocalAAA = {1,2,4,2,3,1,5,3,2,1,5,3} LocalBBB = {1,2,3} Locali =1 Localj =1 whileI Do ifBBB[J] = = Aaa[i] Then --if b subscript element = = a subscript element Table.remove(AAA, I)--Delete ElseI= i +1 --Not equal to I + 1 End ifi > #aaa Then --i > a subscripti =1J= j +1 End ifJ > #bbb Then --Exit Loop When J is greater than B
https://kathleen1974.wordpress.com/category/itext-pdf/In one of my project, we need to give the user a Web UI (a textbox) to enter some text and allow input of superscriptand s Ubscript tag Take your own change as follows:public class Pdfutil {private static Logger Logger = Loggerfactory.getlogger (pdfutil.class);/** handles superscript and small labels for numbers */public Static final String subscript = "public static Font fontgeneral;//general cont
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