suppose that I have a table with 10000000 record. What is difference between this two solution? 1- delete data like : DELETE FROM MyTable 2- delete all of data with a application row by row : DELETE FROM MyTable WHERE ID = @SelectedID Is the first solution has best performance? what is the impact on log and performance? ...
Can you please help me in writing a code to delete images from a particular slide in powerpoint using C# ...
Is there any way in C to remove (using remove()) multiple files using a * (wildcards)? I have a set of files that all start with Index. For example: Index1.txt Index-39.txt etc. They all start with Index but I don't know what text follows. There are also other files in the same directory so deleting all files won't work. I know you can...
How do I match a case insensitive regex and delete it at the same time I read that to get case insensitive matches, use the flag "i" sed -e "/pattern/replace/i" filepath and to delete use d sed -e "/pattern/d" filepath I've also read that I could combine multiple flags like 2iw I'd like to know if sed could combine both i and d I've t...
Hello, I try to map a one-to-many relation with cascade "remove" (jpa) and "delete-orphan", because I don't want children to be saved or persist when the parent is saved or persist (security reasons due to client to server (GWT, Gilead)) But this configuration doesn't work. When I try with cascade "all", it runs. Why the delete-orphan ...
Hi, I'm new in Iphone programing, I need code to: check if a specific target subfolder exist in the document folder ? if target subfolder exist in document folder, I want to delete target subfolder if target subfolder does not exist in document folder, I want to create target subfolder in document folder Thank's in advance for your h...
We have a web farm and are writing temp files for reports. We set up a file share and are using impersonation to write the temporary report files to that share. We gave the account doing the impersonation full control to the share and the folder itself. The files are writing correctly but are not being deleted. Is there something we're ...
Hi i have a table that is 5 GB now i was trying to delete like below: delete from tablename where to_char(screatetime,'yyyy-mm-dd') <'2009-06-01' But its running long and no response. Meanwhile I tried to check if anybody is blocking with this below: select l1.sid, ' IS BLOCKING ', l2.sid from v$lock l1, v$lock l2 where l1.block ...
The following code: order.Orderlines.Remove(orderline) means not only to remove relationship between Order and Orderline but also to remove orderline from persistence permanently. Many slave entities have this situation. As I know, in entity framework have to write extra code: context.DeleteObject(orderline); or context.Orderline...
how we can delete record of a table when record of another table deleted using function,trigger in postgresql -concepts ...
Background: I'd like to make use of Electric Fence in an MFC application. I'd like to track new/delete, and if I can track malloc/free that's an added bonus. Unfortunately, MFC redefines new and delete - but using macros (DEBUG_NEW) - so I can't use the standard C++ method of redefining them. (MFC defines them to have different signatur...
Hello, I have a UITabeView with some sections and rows. I want to simulate the Delete Button that appear when you are editing the Contacts, a red button (the size of the cell). Should I use a button for this ? I've tried to add a background image for the button but I can't 'repeat' it, maybe I have to create one with the final size. ...
We are starting the e-mail intent of the user's choice (createChooser) and sending a zip file. This zip file is created right before the email sends, but we need to make sure the file is there until the email actually gets sent. Once the e-mail is sent, it would be nice to have this file deleted instead of sitting around eating SD card s...
Hello, How do I do that? Is there any method provided by kohana 3? ...
Is this the correct way to do it? DELETE t1, t2, t3, t4 FROM table1 as t1 INNER JOIN table2 as t2 on t1.id = t2.id INNER JOIN table3 as t3 on t1.id=t3.id INNER JOIN table4 as t4 on t1.id=t4.id WHERE t1.username='%s' AND t1.id='%s' Thank you. ...
I am creating my Nav and TabBar in code at launch via: IN : myAppDelegate.m - (void)applicationDidFinishLaunching:(UIApplication *)application { // set up a local nav controller which we will reuse for each view controller UINavigationController *localNavigationController; // create tab bar controller and array to hold the...
I want to make a file unusable. Does it really make sense if i overwrite it? Is there a difference between overwriting, Using stream , Saving or using text append? Note: I want to delete the file afterwards and avoid recovery. ...
In general, if you have a class that inherits from a Thread class, and you want instances of that class to automatically deallocate after they are finished running, is it okay to delete this? Specific Example: In my application I have a Timer class with one static method called schedule. Users call it like so: Timer::schedule((void*)o...
Hi all I simply try to delete a row from a uitableview with the following code: - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { [self.tableView deleteRowsAtInde...
Target OS: Win2003 As posted in other SO questions about file operation atomicity, Win32 was simply not designed for transactions. Still I wonder whether file deletion could be non-atomic. After all, it is either get deleted or not. Or can a file remain in any other intermediate state on NTFS file system caused by a system crash or som...