大约有 30,796 项符合查询结果（耗时：0.0308秒） [XML]
Force R not to use exponential notation (e.g. e+10)?
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My favorite answer:
format(1810032000, scientific = FALSE)
# [1] "1810032000"
This gives what you want without having to muck about in R settings.
Note that it returns a character string rather than a number object
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Add an element to an array in Swift
..."Foo"] Personally, I'll only be using the latter syntax to avoid confusing myself.
– original_username
Jul 7 '14 at 5:56
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How to parse a date? [duplicate]
... @SagarHudge Use DateTimeFormatter not SimpleDateFormat. Reread my Answer.
– Basil Bourque
Dec 11 '18 at 16:14
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Regular Expression For Duplicate Words
... was a mistake, copy pasted the wrong stuff. Intended to copy the one from my example actually. anyway, it now works! so all good! Thanks!
– Niket Pathak
Dec 7 '18 at 9:45
add...
How do you do a simple “chmod +x” from within python?
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My answer below copies the R bits to X, as one would expect from say, a compiler.
– Jonathon Reinhart
May 26 '15 at 16:25
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How to grep and replace
...llegal byte sequence issue on macOS 10.12, and this question/answer solved my issue: stackoverflow.com/questions/19242275/….
– abeboparebop
Apr 11 '17 at 8:12
3
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Most efficient way to determine if a Lua table is empty (contains no entries)?
...fficient but wrong. (Consider {[false]=0}.) The correct code is
if next(myTable) == nil then
-- myTable is empty
end
For maximum efficiency you'll want to bind next to a local variable, e.g.,
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local next = next
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... if next(...) ...
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jQuery OR Selector?
... edited Apr 13 '15 at 7:47
Shimmy Weitzhandler
88.9k116116 gold badges372372 silver badges585585 bronze badges
answered Feb 15 '10 at 3:53
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What exactly does @synthesize do?
...re attributes of an object that can be read or set using the dot notation: myObject.mapView. A property doesn't have to be based on an ivar, but most properties are. The @propertydeclaration simply tells the world that there is a property called mapView.
@synthesize mapView = mapView1;
This line t...
Convert a list to a data frame
... this answer on the original dataset is incorrect.
– MySchizoBuddy
Jul 25 '15 at 19:21
Works great for me! And the nam...