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Assign pandas dataframe column dtypes
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edited May 7 '18 at 10:08
smci
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Why cast an unused function parameter value to void?
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answered Jan 10 '11 at 14:19
Benoit ThieryBenoit Thiery
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SQL Developer is returning only the date, not the time. How do I fix this?
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– Olivier Faucheux
Jul 24 '13 at 10:14
10
WOW... this was beautiful. Can't believe I was doing...
In R, how to get an object's name after it is sent to a function?
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The old deparse-substitute trick:
a<-data.frame(x=1:10,y=1:10)
test<-function(z){
mean.x<-mean(z$x)
nm <-deparse(substitute(z))
print(nm)
return(mean.x)}
test(a)
#[1] "a" ... this is the side-effect of the print() call
# ... you could have don...
What is the purpose of global.asax in asp.net
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answered Feb 26 '10 at 9:34
RobRob
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Ruby get object keys as array
... weezorweezor
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How to check if variable's type matches Type stored in a variable
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bool b9 = typeof(Tiger).IsAssignableFrom(x.GetType()); // true
bool b10 = typeof(Animal).IsAssignableFrom(x.GetType()); // true! A variable of type Animal may be assigned a Tiger.
or with the type variable
bool b11 = t.IsAssignableFrom(x.GetType()); // true
bool b12 = t.IsAssignableFrom(x.Get...
dealloc in Swift
...ibrary/content/releasenotes/Foundation/RN-FoundationOlderNotes/index.html#X10_11Notes
NSNotificationCenter
In OS X 10.11 and iOS 9.0 NSNotificationCenter and NSDistributedNotificationCenter will no longer send notifications to registered observers that may be deallocated. If the observer is able to...
Rails detect if request was AJAX
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edited Jul 10 '15 at 16:46
answered Nov 22 '11 at 1:08
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