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Mercurial: how to amend the last commit?
...nd have some other changes (3) Commit changes, resulting in revision 3 (4) Now I'll change my mind and decide "file" should not be removed from the commit, so I want to amend revision 3. Hence, I'll re-add "file" which is now unversioned (5) Now I perform rollback: it will reset the dirstate and mar...
What is event bubbling and capturing?
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useCapture now supported in IE >= 9. source
– beatgammit
Aug 20 '13 at 17:10
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Understanding recursion [closed]
...value of its left child, if any, and the value of its right child, if any. Now recall that the children, if they're not null, are also nodes.
So to sum the left child, we would add the value of child node itself to the value of its left child, if any, and the value of its right child, if any.
So ...
ALTER TABLE without locking the table?
...'ve been using MySQL for so long that I keep forgetting they have triggers now. I've used this technique and now I have a functional hot-alter script. With a progress bar. And it works with MyISAM. Life is good.
– Daniel
Jan 21 '09 at 12:10
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Convert Pandas column containing NaNs to dtype `int`
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In v0.24, you can now do df = df.astype(pd.Int32Dtype()) (to convert the entire dataFrame, or) df['col'] = df['col'].astype(pd.Int32Dtype()). Other accepted nullable integer types are pd.Int16Dtype and pd.Int64Dtype. Pick your poison.
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How can I reliably determine the type of a variable that is declared using var at design time?
... a local can be expensive so we want to defer that work if we need to.
We now have a lazily-built database that can tell us the type of every local. So, getting back to that "foo." -- we figure out which statement the relevant expression is in and then run the semantic analyzer against just that st...
How can I make the tabs work normally on Xcode 4?
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UPDATE for 2020:
Finally, almost 10 years later, Xcode 12 beta 3 now appears to mostly resolve the issue described here. There is a new Navigation Style option in the Navigation settings panel that controls this behavior.
Of course, this may change in subsequent betas or the final release ...
Issue with virtualenv - cannot activate
...cannot.
It might just be syntax or folder location, but I am stumped right now.
21 Answers
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Adding a library/JAR to an Eclipse Android project
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Now for the missing class problem.
I'm an Eclipse Java EE developer and have been in the habit for many years of adding third-party libraries via the "User Library" mechanism in Build Path. Of course, there are at least 3 wa...
Access Container View Controller from Parent iOS
... the first view controller' when the view loads? This is making more sense now, thanks. I'm not with my project now but will test later
– Adam Waite
Nov 8 '12 at 11:23
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