overwrite

I am trying to save in my iOS app some data. I use the following code : NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"yourPlist.plist"]; //inserting data NSMutableDictionary *dict = [[NSMutableDictionary alloc] init]; [dict setValue:categoryField.text forKey:@"Category"]; [dict setValue:nameField.text forKey:@"Name"]; [dict setValue:eventField.text forKey:@"Event"]; NSMutableArray *arr = [[NSMutableArray alloc] init];

I am using package xlsx Version:0.5.7 Date: 2014-08-01. in R version 3.0.1 (2013-05-16) -- "Good Sport" Platform: i386-w64-mingw32/i386 (32-bit). I have an xlsx file with at least 2 sheets (say A and B). I need to read data from A, edit them and save them in B. This has to be done on a periodical base. I am able to read data from A with read.xlsx . After editing the data frame I want to save it in an existing sheet B in the same xlsx file. I try with this line write.xlsx(down, paste0(root,'/registration reports/registration complete_WK.xlsx'), sheet="data_final", col.names=T, row.names=F,

I have a text file text.txt that reads (for simplicity purposes) this is line one this is line two this is line three Again for simplicity's sake, I am just trying to set the first character in each line to 'x', so my desired result would be xhis is line one xhis is line two xhis is line three So I am opening the text.txt file and trying to overwrite each line with the desired output to the same text file. In the while loop, I set the first character in each line to 'x'. I also set the variable "line" equal to one, because if its on the first line, I want to rewind to the beginning of the file

i googled a lot and i can't found nothing about it ! [root@someday backups]# mysql -u username_1 -p db_1 < tables_to_import/tables.sql ERROR 1050 (42S01) at line 19: Table 'ps_customer' already exists with mysql -f is the same. i wish simply import that .sql and rewrite that tables, can someone help me ? p.s. i know that when you export a db you can choose option "DROP TABLE" but if i have a backup, without this declaration ? how can i force ? Thanks Are you trying to overwrite the entirety of the database? If so, you could manually drop all the tables, and then run your import script. This is

I want to overwrite bytes in an exe. So I need to generate a random string, convert it, and then write it to the exe. I need to overwrite the 4 hex strings you see there in this format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx (8-4-4-4-12) the dashes are needed so that also was a problem for me. this is the location of the first string. I absolutely got no idea how to start this, how I can overwrite these 4 strings, in the correct format with random strings (hex, so the random can only be 0123456789abcdef) any help is much appreciated. The string you want to overwrite is a GUID. You can use the