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Move branch pointer to different commit without checkout
... me fatal: Cannot force update the current branch. Ummmm I have to do what now, check out some other random branch before I am allowed to use this command?
– Qwertie
Aug 10 '14 at 22:52
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How to show math equations in general github's markdown(not github's blog)
...are shown the same while they are actually different. Would you happen to know why it happens?
– Sam
Feb 17 '14 at 4:13
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Difference between android.app.Fragment and android.support.v4.app.Fragment
... use android.app.Fragment.
Edit: the OS-contained android.app.Fragment is now deprecated (as of API level 28), and everyone should move to using the support library implementations.
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Tell Ruby Program to Wait some amount of time
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I find until very useful with sleep. example:
> time = Time.now
> sleep 2.seconds until Time.now > time + 10.seconds # breaks when true
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Number of visitors on a specific page
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Ok great ! Now I can see all the visits to a specific URL, perfect ! How can I find where did the visitors (of this specific page) come from ?
– Basj
Oct 21 '13 at 20:05
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What values should I use for CFBundleVersion and CFBundleShortVersionString?
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Similar to what Phil says above, nowadays, if you resubmit a failed (not approved by App Store) build, it looks like you need to bump the CFBundleVersion on each submission now, so likely these numbers will diverge unless you're always perfect, or you don't ...
How do I address unchecked cast warnings?
...eally should have the generic parameters <String, String>. You must know beforehand what the parameters should be (or you'll find out when you get a ClassCastException). This is why the code generates a warning, because the compiler can't possibly know whether is safe.
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How do I find duplicates across multiple columns?
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With that, you can't know the id of each line.
– Juan.Queiroz
12 hours ago
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How do I interactively unstage a particular hunk in git?
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I should mention the more recent graphical Git clients now -- GitKraken is beautiful, and supports this (though it now comes with a hefty fee for commercial use). GitHub's GitHub Desktop is free, beautiful, and supports easily staging and unstaging hunks. GitKraken and GitHub Des...
How to write a multidimensional array to a text file?
...8.00 199.00
# New slice
Reading it back in is very easy, as long as we know the shape of the original array. We can just do numpy.loadtxt('test.txt').reshape((4,5,10)). As an example (You can do this in one line, I'm just being verbose to clarify things):
# Read the array from disk
new_data = np...