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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
...ts performance: http://jsperf.com/short-scope. All accesses to window will now have to travel one level less up the scope chain. As with undefined, a local copy again allows for more aggressive minification.
Sidenote:
Though this may not have been the intention of the jQuery developers, passing ...
CocoaPods and GitHub forks
...s showing "Unable to find a specification for '<pod name>' " do you know how to resolve it?
– Susim Samanta
Mar 15 '18 at 1:50
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show ...
How to merge 2 JSON objects from 2 files using jq?
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Since 1.4 this is now possible with the * operator. When given two objects, it will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get y...
Why is Python 3.x's super() magic?
...decorator_returning_new_class
class Foo(Bar):
def baz(self):
# Now `Foo` is a *different class*
return super(Foo, self).baz() + 42
The magic super() __class__ cell sidesteps these issues nicely by giving you access to the original class object.
The PEP was kicked off by Guido,...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
... SDWebImage is very laggy since iOS 8, it was one of my fav frameworks but now I'm starting using PinRemoteImage which works reaallly good.
– Joan Cardona
Dec 14 '15 at 11:23
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Remove duplicated rows using dplyr
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Note: dplyr now contains the distinct function for this purpose.
Original answer below:
library(dplyr)
set.seed(123)
df <- data.frame(
x = sample(0:1, 10, replace = T),
y = sample(0:1, 10, replace = T),
z = 1:10
)
One appr...
Under what conditions is a JSESSIONID created?
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Right now im getting many hits on my filter to create session and seems like its only after the second hit (not a second page refresh) its being created, this called my attention " session isn't necessarily created on first request...
Add property to anonymous type after creation
...t you could do is write new { old.Name1, old.Name2, ID=myId } but I don't know if that's really what you want. Some more details on the situation (including code samples) would be ideal.
Alternatively, you could create a container object which always had an ID and whatever other object contained th...
How do I force detach Screen from another SSH session?
...session still thinks it's attached. Maybe it is. Perhaps I don't really know what that means.
4 Answers
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What is the difference between HTTP and REST?
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@aefxx thank you, i didnt know that, and never read the full dissertation. i would change the votedown to voteup if it wasnt locked. you have an interesting way of debating, you could just give me a link and be done with that. shish.
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