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How to select all records from one table that do not exist in another table?
...: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for the name column. If there is no such row, we just leave the table2 portion of our result empty for that row. Then we constrain our selection by picki...
Delete commits from a branch in Git
...e sure to stash any local changes you want to keep before running this command.
Assuming you are sitting on that commit, then this command will wack it...
git reset --hard HEAD~1
The HEAD~1 means the commit before head.
Or, you could look at the output of git log, find the commit id of the comm...
UITableview: How to Disable Selection for Some Rows but Not Others
...AtIndexPath when touched by the user. To avoid this, do as suggested below and set.
cell.userInteractionEnabled = NO;
instead. Also note you may want to set cell.textLabel.enabled = NO; to gray out the item.
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Why does sudo change the PATH?
...ashrc
alias sudo='sudo env PATH=$PATH'
Note the above will work for commands that don't reset the $PATH themselves.
However `su' resets it's $PATH so you must use -p to tell it not to. I.E.:
sudo su -p
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Func with out parameter
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ref and out are not part of the type parameter definition so you can't use the built-in Func delegate to pass ref and out arguments. Of course, you can declare your own delegate if you want:
delegate V MyDelegate<T,U,V>(T ...
This Row already belongs to another table error when trying to add rows?
I have a DataTable which has some rows and I am using the select to filter the rows to get a collection of DataRows which I then loop through using foreach and add it to another DataTable, but it is giving me the error "This Row already belongs to another table". Here is the code:
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Get the current fragment object
...ich object is currently there
Call findFragmentById() on FragmentManager and determine which fragment is in your R.id.frameTitle container.
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When deleting remote git branch “error: unable to push to unqualified destination”
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Your answer is awesome. Short and about the essence!
– 1nstinct
Oct 22 '15 at 18:12
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Mercurial: Can I rename a branch?
...taging" seems to be a far better semantic fit. What's a good strategy for handling this?
5 Answers
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How to refresh Android listview?
How to refresh an Android ListView after adding/deleting dynamic data?
25 Answers
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