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How should I have explained the difference between an Interface and an Abstract class?
In one of my interviews, I have been asked to explain the difference between an Interface and an Abstract class .
30 Ans...
How to duplicate virtualenv
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Another option is to use virtualenv-clone package:
A script for cloning a non-relocatable virtualenv.
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Differences between socket.io and websockets
...s and has more functionality, but also comes with some overhead. Sometimes one is better, sometimes the other. It's like choosing between querySelectorAll and jQuery - the answer is not always the same
– rsp
Jul 26 '16 at 13:32
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...rectly, but it will give you the elements that are in common. This can be done with Paul Murrell's package compare:
library(compare)
a1 <- data.frame(a = 1:5, b = letters[1:5])
a2 <- data.frame(a = 1:3, b = letters[1:3])
comparison <- compare(a1,a2,allowAll=TRUE)
comparison$tM
# a b
#1 1 ...
How can I get a user's media from Instagram without authenticating as a user?
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This is late, but worthwhile if it helps someone as I did not see it in Instagram's documentation.
To perform GET on https://api.instagram.com/v1/users/<user-id>/media/recent/ (at present time of writing) you actually do not need OAuth access token.
You can perf...
Make a link in the Android browser start up my app?
...:name="android.intent.category.BROWSABLE" /> <--Not positive if this one is needed
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</intent-filter>
Then you should be able to launch your app with links that begin with the anton: URI scheme.
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
... web based system which will be used in countries from all over the world. One type of data which must be stored is dates and times.
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How to easily map c++ enums to strings
...be nice to be able to accept multiple arguments for operator[]. but sadly, one cannot do that. x[a, b] evaluate to x[b] . the (a, b) expression makes use of the comma operator. so it is equivalent to ["A"]["B"]["C"] in your code. you could change it to say [eValue1]["A"][eValu..
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Oracle SELECT TOP 10 records
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@Padmarag : When is a rownum apply in a query like this one - Select * from SomeTable where someColumn = '123' and rownum <=3. Is it after selecting the results from [Select * from SomeTable where someColumn = '123' ]
– Shirgill Farhan
De...
Learning Ant path style
Where can I find resources to learn Ant path style conventions? I've gone to the Ant site itself, but couldn't find any information on path styles.
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