Insert | resolve | data | How does the database get the ID number of the record you just inserted into the database?
1.SQL Server
For SQL Server 2000来, it provides two new functions (ident_current,scope_identity) and improves the @ @IDENTITY. When you insert a new record, you can call the function:
PRINT ident_current (' table ') ' This will get the new identity
There is nothing to say, directly on the code:1 Public classPhonestatecodeutils {2 /**3 * Get IMEI serial number of phone4 */5 Public StaticString Getimei (context context) {6Telephonymanager TM =(Telephonymanager) Context.getsystemservice (context.telephony_service);7 //Device String Number8String IMEI =Tm.getdeviceid ();9 returnIMEI;Ten } One A /** - *
Why does curl or file_get_contents collect URLs when the K-number is too high to get?
Prior to http://bbs.csdn.net/topics/390572750 learned the way to obtain, but some links are as follows:
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are available for normal access
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But how to get the number of records for all the tables in a database, if you use the above method to estimate the exhaustion. Oh
Here's how to use the sysindexes and sysobjects tables to get the number of records per table in a database:
First give the SQL Server 2000 version:
Copy Code code as follows:
SELE
We pass on
The Mysql_num_fields () function can count the number of all fields in the table that will be queried, and the syntax of the function is as follows:
int Mysql_num_fields (Resource $result)
Where the parameter result is the result set returned after the mysql_query () function executes. The sample code for getting the number of fields in PHP using the Mysql_num_fields () function is as follows:
IamlaosongWhen using VBA to process Excel files, the key fields of the column number programming is often not known, need to pass parameter settings to know, therefore, when we program, we can not use such a statement to take the number of valid rows:Lineno = [B65536]. End (Xlup). RowThe column name "B" in the above statement, if it is a variable, can be implemented in the form of a string connection, namel
Recently there is a wonderful demand, the user login return mobile phone number matching the same number can be logged in, frighten me the tiger body a shock, after understanding, iOS7 not jailbreak to achieve"For security reasons, IPhone OS restricts an application (including it preferences and data) to a unique location in the File system. This restriction was part of the security feature known as the app
Remove the page number from the first page as follows:
Step one: We see that there are numbers on the first page, so all we have to do is get the page number off the first page and let the page number start with "1" on the second page.
Step Two: First we click Insert, select "page
of the CPU internal counter at the end of the code, and subtract the Initial Value_ ASM{RdtscMoV highend, EDXMoV lowend, eax; The counter value difference is obtained twice.Sub eax, lowstartCMP eax, 0; returns if the 32-bit low deviation is negative, because the second retrieval is always greater than the first retrieval.JG L1Neg eaxJMP L2L1: mov numlow, eaxL2: SBB edX, highstartMoV numhigh, EDX}// Place the difference between the two counter values in a 64-bit integer variable// First place th
Strangely, it is encoded according to the odd months of the previous 8 months, 31 days, even months, 30 days, and 4 months, odd months for 30 days, and even numbers for 31 days.Code:-(void) viewdidload { [super viewdidload]; Additional setup after loading the view, typically from a nib. NSLog (@ "August of Days%ld", (long) [self getcurrentday:8]); } Gets the number of days of the current month-(Nsinteger) Getcurrentday: (int) currentmo
How do I get the extension numbers of all users stored in MYSQL in Asterisk and the extension numbers of all users stored in MYSQL in Asterisk? Recently, in this scenario, you need to obtain the extension numbers of all users stored in MYSQL in Asterisk in the call system, because the phone numbers obtained from other channels may be inaccurate. the specific application scenarios are as follows:
How do I get
JS gets the object, the actual length of the array, the actual number of elements of the implementation code
/* Get the object, the length of the array, the number of elements
* @param obj to calculate the length of the element, can be object, array, string/
function count (obj) {
var objType = typeof obj;
if (ObjType = = "string") {return
One is the traditional use of mysql_num_rows () to calculate$sql = "SELECT * from News"; $res =mysql_query ($sql); $number =mysql_num_rows ($sql); There is also the use of mysql_result ()$sql = "SELECT count (*) from news"; $res =mysql_query ($sql); $number =mysql_result ($res, 0,0); The mysql_result () function is used to obtain the results from the database.Methods are as follows$sql = "SELECT * from Ne
The ID card can identify a person's information. The following describes how to use JavaScript to obtain the age and gender ID card of the person using the ID card number to identify a person's information, the following describes how to use JavaScript to obtain the age and gender of the client through the ID card number.
Script function IdCard (UUserCard, num) {if (num = 1) {//
Due to DEDEV5, SQL injection and security checks have been intensified, resulting in the inability to query SQL for some of the normal subqueries.The following code is used to resolve the total number of articles in the current column and all sub-columns under the current column, added to/include/common.func.phpOr/include/extend.func.php, and then calls Gettotalarcbytid (1) in the template. /* * Returns the number
The following is a detailed analysis of the implementation of the number of occurrences of a string in the SQL to obtain a long string, the need for friends can refer to the following
To get an implementation of the number of occurrences of a string in a long string in SQLFor example, there is a string:
x-bgs-2010-09-15-001
I want to know the
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