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What is the effect of extern “C” in C++?
...u care about the technicalities, they are listed in section 7.5 of the C++03 standard, here is a brief summary (with emphasis on extern "C"):
extern "C" is a linkage-specification
Every compiler is required to provide "C" linkage
A linkage specification shall occur only in namespace scope
All funct...
Using scp to copy a file to Amazon EC2 instance?
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389
Try specifying the user to be ec2-user, e.g.
scp -i myAmazonKey.pem phpMyAdmin-3.4.5-all-lang...
Display / print all rows of a tibble (tbl_df)
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238
You could also use
print(tbl_df(df), n=40)
or with the help of the pipe operator
df %>%...
JUnit test with dynamic number of tests
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answered Dec 11 '08 at 10:32
bruno condebruno conde
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How to get the instance id from within an ec2 instance?
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What is the right way to check for a null string in Objective-C?
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397
As others have pointed out, there are many kinds of "null" under Cocoa/Objective C. But one f...
JMS Topic vs Queues
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answered Apr 7 '11 at 8:23
Joseph OttingerJoseph Ottinger
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Is there any way to check if iOS app is in background?
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William Denniss
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answered Apr 29 '11 at 18:24
DavidNDavidN
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Ruby's ||= (or equals) in JavaScript?
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153
Both are absolutely correct, but if you are looking for something that works like ||= in ruby. T...
How to configure socket connect timeout
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antiduh
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answered Jan 16 '11 at 23:21
FlappySocksFlappySocks
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