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How does the delete operator work? Is it better then free()?. Also if u do ptr=new char[10] , then delete using delete ptr , how does the pointer know how many locations to delete.
Answer Snippets (Read the full thread at stackoverflow):
delete [] t;
It ....
If you do an array:
T t* = new T[10]; // .. .
delete t;
It will know how much to delete because it knows how big a T is.
delete[] with new[]!!) if you do a non-array type:
T t = new T; // ...
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I add a datetime label on the right of a table cell. When swip-to-delete shows the "Delete" button, the datetime label need to shift left a little bit. But how to get the "Delete" button's size?
I tried to find it in the cell.subviews but failed.
Started by al_lea on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Instead, use the size.
You don't have to know the button's size.
The delete button is 63x33.
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Using PHP, I am trying to delete a record, but I want to check if it was successful or not. Is anything returned from a successful DELETE FROM foo where bar = 'stuff' ?
Alternatively, do you know any other ways to check if a DELETE was successful? Or ...
Started by Jergason on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Assuming you are using mysql_query :
For other type of SQL statements, INSERT, UPDATE, DELETE.
To find out how many rows were affected by a DELETE, INSERT, REPLACE, or UPDATE statement.
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Ask your Facebook Friends
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I chage size of cell of a table to 20 but Delete button don't change. So, how to resize this button is this case?
Please help me!
Started by hungbm06 on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Maybe takes all subviews of cell or make custom cell
have you tried to set autoresizesSubviews property of the UITableViewCell class? .
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The problem i have is i could DELETE but then when i hit refresh and send the post data it will try to delete again. Which isnt a problem but now the second statment is a problem since it decreases when it shouldnt.
What is a concurrent safe way to decrease...
Started by acidzombie24 on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
It would be a good idea to do a select query before the delete to check it's in table msgId) { using (var dbTrans = connection.BeginTransaction()) { command.CommandText = "DELETE FROM user not repeat the Delete command..
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I've got a DataGridView with a BindingSource binding it to a DataTable. I've put a Delete button on my form and I want it to delete the currently selected row when clicked, something like this:
if (dgvResourceSettings.CurrentRow != null && !dgvResourceSettings...
Started by Rory on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
I have made delete buttons under a Grid idea: track the Current property (BindingSource) and disable....
I have a delete button column in my DataGrid with a button for each row that has it's Tag set something (keybd events?) to make that happen.
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I'm trying to make emacs' delete-file function delete files with exclamation marks in their names.
The particular use case is that I have set emacs to save all backup files in a single directory and to delete old backup files. However, when all backup...
Started by Ryan Thompson on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
My custom....
And the same goes for the lisp invocation,
(delete-file "!home!blah!filename")
I found the answer.
M-x delete-file
Then just enter the name of the file, don't escape anything, just the name,
!home!blah!filename
and it just works.
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When I delete a list item from a web site based on MOSS 2007, the content database will set its DeleteTransactionId instead of deleting it. That's a waste of space for me because I won't use thes item anymore.
Is there any way to delete a list item from...
Started by Sonic Lee on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
4) See http://rdacollab.blogspot.com/2008/08/mosssharepoint-2007-deleting....
Are you really THAT worried about the 'space'?
2) Does emptying the recycle bin remove those entries?
3) Keep in mind MS recommends you DO NOT do anything against the database .
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I have a NewsFeed object mapped as such:
<class name="NewsFeed"> <id name="NewsFeedId"> <generator class="guid"/> </id> <property name="FeedName" not-null="true" /> <property name="FeedURL" not-null="true" /> <property...
Started by jmcd on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Change
cascade="all"
to
cascade="all-delete-orphan"
Reference
Since the relation inside the set.
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Using TortoiseSVN on Windows, how do I delete files from the repository that have already been deleted on the file system? I would expect them to show up as "missing" or "deleted" on my next commit, but that doesn't seem to be the case.
On Linux/Mac, ...
Started by ee99ee on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
If you have deleted directly by mistake, do an svn update to get the file back and then do "tortoise svn->delete"
:-)
Files show up the file back, then ....
You have to use "Tortoise svn -> delete" to delete the file.
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