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Dismiss keyboard by touching background of UITableView
...yboard when the background of the UITableView is touched. I'm trying to do this by creating a UIButton the size of the UITableView and placing it behind the UITableView . The only problem is the UIButton is catching all the touches even when the touch is on the UITableView. What am I doi...
What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
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In Node.js, how do I “include” functions from my other files?
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+1 Nicely done, even confines the imported code to it's own namespace. I'll have to make a note of this for later.
– Evan Plaice
Jan 20 '12 at 23:35
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How do I clone a generic List in Java?
... It's too bad ArrayList has a #clone method, but List itself doesn't. Sigh.
– rogerdpack
Sep 24 '12 at 15:50
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How do I select child elements of any depth using XPath?
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C# doesn't seem to understand this notation. //form//input returns null in C# while Chrome can find 35 inputs using the same xpath
– Achilles
Mar 22 '15 at 7:27
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How do I replace multiple spaces with a single space in C#?
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I have copy and paste that and it works. I really do not like REgex but this time it saves my life.
– Pokus
Oct 15 '08 at 22:22
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How do I change read/write mode for a file using Emacs?
If a file is set to read only mode, how do I change it to write mode and vice versa from within Emacs?
9 Answers
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python dataframe pandas drop column using int
...=1)
It could work strange, if you have duplicate names in columns, so to do this you can rename column you want to delete column by new name. Or you can reassign DataFrame like this:
df = df.iloc[:, [j for j, c in enumerate(df.columns) if j != i]]
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Find which commit is currently checked out in Git
...a git bisect session (note that options 1-4 will also work when you're not doing a bisect):
git show.
git log -1.
Bash prompt.
git status.
git bisect visualize.
I'll explain each option in detail below.
Option 1: git show
As explained in this answer to the general question of how to determine...
What is JavaScript garbage collection?
...cope variable. All
of those objects are instructed to
tear themselves down, which destroys
any circular references.
The main purpose of garbage collection is to allow the programmer not to worry about memory management of the objects they create and use, though of course there's no avoid...