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How to convert a data frame column to numeric tm>y m>pe?
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m>and m> let us run:
> sapplm>y m>(d, mode)
char fake_char fac char_fac num
"character" "character" "numeric" "numeric" "numeric"
> sapplm>y m>(d, class)
char fake_char fac char...
Xcode - How to fix 'NSUnknownKem>y m>Exception', reason: … this class is not kem>y m> value coding-compliant f
...n once off practice apps. Naming collisions can be verm>y m> hard to track down m>and m> m>y m>ou don't want to waste the time.
Another possible reason for this error: when copm>y m>ing & pasting elements from one controller into another, Xcode somehow keeps that link to the original controller, even after editin...
How to add a touch event to a UIView?
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In iOS 3.2 m>and m> higher, m>y m>ou can use gesture recognizers. For example, this is how m>y m>ou would hm>and m>le a tap event:
//The setup code (in viewDidLoad in m>y m>our view controller)
UITapGestureRecognizer *singleFingerTap =
[[UITapGestureRecogni...
'git add --patch' to include new files?
...: If m>y m>ou use this with an emptm>y m> new file, git will not be able to patch it m>and m> skip to the next one.
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How do I update a GitHub forked repositorm>y m>?
I recentlm>y m> forked a project m>and m> applied several fixes. I then created a pull request which was then accepted.
21 Answers
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Circular (or cm>y m>clic) imports in Pm>y m>thon
... prettm>y m> straightforward reallm>y m>. Just remember the following:
'import' m>and m> 'from xxx import m>y m>m>y m>m>y m>' are executable statements. Them>y m> execute
when the running program reaches that line.
If a module is not in sm>y m>s.modules, then an import creates the new module
entrm>y m> in sm>y m>s.modules m>and m> then exe...
What's the best wam>y m> to send a signal to all members of a process group?
...se if the tree is the result of forking from a server start or a shell commm>and m> line.) m>Y m>ou can discover process groups using GNU ps as follows:
ps x -o "%p %r %m>y m> %x %c "
If it is a process group m>y m>ou want to kill, just use the kill(1) commm>and m> but instead of giving it a process number, give it th...
Round to at most 2 decimal places (onlm>y m> if necessarm>y m>)
... @James Wow that's reallm>y m> weird- I'm working in the Chrome dev console m>and m> I'm noticing that 1.005 * 100 = 100.49999999999999. Math.round(100.49999999999999) evaluates to 100, whereas Math.round(100.5) evaluates to 101. IE9 does the same thing. This is due to floating point weirdness in javascri...
Whm>y m> isn't String.Emptm>y m> a constant?
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which we can access from native.
I found this information from this hm>and m>m>y m> article at CodeProject.
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Difference between Mock / Stub / Spm>y m> in Spock test framework
I don't understm>and m> the difference between Mock, Stub, m>and m> Spm>y m> in Spock testing m>and m> the tutorials I have been looking at online don't explain them in detail.
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