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Set the read-only effect of the input text box. The input text box is read-only. Set the read-only effect of the input text box:In practical applications, you may need to set the input text box to read-only. The code is actually very simple. You only need to add an attribute.The Code is as follows: You can use the

Open the file and add new data at any time. File *fp;if((fp=fopen("data.txt","a"))==NULL){printf("Create File failure"); exit(1);}fprintf(fp,"[%d, %d]\n", x, y);fclose(fp); Cyclic operations store a lot of data as follows: [29, 35][29, 33][30, 34][29, 33][29, 34][29, 34][29, 34][28, 33][30, 34][30, 34][29, 33][28, 33][29, 33][29, 33][29, 34][29, 33] The program uses files to save data for easy access and use elsewhere. (Blog quality is getting lower and lower. Use it at any time ~~~~) Ope

] 42End_of_block_dump It is found that the value of ID = 1 has been changed, 43 (The hexadecimal value corresponds to C), so why does user a get the value of? This is because Oracle finds that the data contains LB: 0x2, which corresponds to ITL. From the records where LTL is 0x02, the flag is ----, which indicates that the transaction is marked and the data is locked, it needs to be read from the UBA (UNDO block address) of the Undo segment. In the Un

To read a CSV file in this way: All the data is taken out at once, the first line of the file is the title, the second row is to take the data, how to take? Also read the non-English characters displayed as garbled, how to deal with it? Reply content: To read a CSV file in this way: All the data is taken out at once, the first line of the file is t

The solution on the net said after crawling with Iconv () transcoding. Look after I feel that something is wrong: one is not necessarily compiled Iconv library, the bigger problem is that the encoding is the same as the time of the stream conversion (if the use of iconv actually PHP two times code: Flow, UTF-8, GB2312): This is not the white busy it? Carefully read the PHP document (do not know how people write code, in fact the document is very clear

This is a creation in Article, where the information may have evolved or changed. Today I wrote a go to read the INI file package, has been uploaded to GitHub top, convenient for everyone to use, mainly read the configuration file method. The bottom is a simple document The official website Describe Using Goini, it is easier to read the INI configuration file o

1 Private StaticProperties prop =NewProperties ();2 3 Private StaticString Conffilepath = "conf" + file.separator + "config.properties";//Configuration file Directory4 Static {5 //Load Properties6InputStream is =NULL;7InputStreamReader ISR =NULL;8 Try {9File f =NewFile (conffilepath);Ten if(F.exists ()) { Oneis =NewBufferedinputstream (NewFileInputStream (f)); AISR =NewInputStreamReader (IS, "Utf-8"); - Prop.load (ISR); - is.close (); theis =NULL; - isr.cl

PHP Development will certainly encounter the need to import Excel file content into the database, Php-excel-reader is a class to read Excel, you can easily use it to read Excel files is very convenient. Php-excel-reader Download Address: http://www.jb51.net/codes/67223.html I downloaded the php-excel-reader-2.21 version, the use of the time also encountered a few small problems, and then elaborate, first

Let's take a big picture first: SQL statement used: BYS @ ocm1> select dbms_rowid.rowid_relative_fno (rowid) file #, dbms_rowid.rowid_block_number (rowid) block #, deptno from bys. test; FILE # BLOCK # DEPTNO ------------------------------ 4 391 10 For example, the text description analyzes the process of obtaining the required data block when the foreground process sends a query statement: Note:This article does not involve the parsing part of SQL statements, client-to-server interaction, and

Both of these methods exist as abstract methods in the abstract class InputStream ,The JDK API describes both of these: read (): NBSP reads the next byte of data from the input stream, returning 0 to 255 in the range of int byte value. If there are no bytes available since the end of the stream has been reached, -1 is returned. This method is blocked until the input data is available, the end of the stream is detected, or an exception is thrown.

Set html input to read-only and htmlinput to read-only. There are two ways to achieve the read-only effect of input: disabled and readonly. Naturally, the two effects are read-only and cannot be edited, but they are quite different. Disabled indicates that the input is invalid and its value is not passed to any prog

How to set the checkbox check box to read-only and the checkbox check box to read-only How to set the checkbox check box to read-only:The check box checkbox does not have the readOnly attribute, but if it is set to unavailable, that is, its disabled = "disabled", the checkbox value will not be sent, and the appearance is gray, the following describes how to simu

IOS data persistence file read/write preference settings, ios data read/write preferences Many iOS apps support preference settings, such as saving user names, passwords, and font sizes. iOS provides a standard solution to add preference settings to apps. Each application has an NSUserDefaults instance to access preference settings. For example, save the username, font size, and whether to log on automatica

Solve the Problem of FSTAB file read-only in Linux, and the linuxfstab file is read-only. Fault Cause: After modifying/etc/fstab, mount a swap partition as ext3, so the machine cannot start normally. Solution: Enter the root password as prompted to go to the Repair filesystem prompt interface. Vi/etc/fstab prompt, read-only, that is, no permission to modify.