大约有 10,000 项符合查询结果(耗时:0.0247秒) [XML]
Is there a Java equivalent or methodology for the typedef keyword in C++?
...be a special case of what you've described, but it shows the appeal of the idea a little more clearly).
– igorrs
May 11 '12 at 0:24
...
Sorting an array of objects by property values
...ted in the same order as in the input. This is completely unrelated to the idea of code which is unstable (i.e. not yet ready for use).
– Stobor
Jul 30 '18 at 1:42
1
...
How to show a dialog to confirm that the user wishes to exit an Android Activity?
...
Comment is 3 years old. I have no idea what is good practice in 2015
– mplungjan
Sep 3 '15 at 19:11
...
Fastest way to find second (third…) highest/lowest value in vector or column
...na.last, decreasing = decreasing, ...) : index 4705 outside bounds Any idea what might the issue be? Some details: My x is a numeric vector of length 4706 with some NAs in the data. I tried to get the second highest value in the vector using the exact same code as @RobHyndman suggested.
...
Switch statement fall-through…should it be allowed? [closed]
...e common code to a function and calling from both places would be a better idea.
And please note that I use the C++ FAQ definition of "evil"
share
|
improve this answer
|
fo...
Create an empty object in JavaScript with {} or new Object()?
...
@Pablo I have no idea what your argument is. Like Douglas Crockford, I recommend using []. No argument there. You, however, argued that new Array(100) is somehow "invalid", which is untrue.
– Már Örlygsson
...
Does MySQL index foreign key columns automatically?
...obligation of making the foreign key checks fast. To be honest, I have no idea why MS SQL, DB2, and others don't do this. They have little excuse. I cannot think of a use case where an auto-generated index on foreign keys would be harmful.
– BMiner
Jan 22 '19 ...
How do I create a variable number of variables?
...
It's not a good idea. If you are accessing a global variable you can use globals().
>>> a = 10
>>> globals()['a']
10
If you want to access a variable in the local scope you can use locals(), but you cannot assign values ...
findViewById in Fragment
...ted still causes NullPointerException but using getActivity() is fine. Any ideas why?
– dVaffection
Aug 28 '15 at 4:20
...
Addressing localhost from a VirtualBox virtual machine [closed]
...is working on Win10 as expected: serverfault.com/questions/452268/… Any ideas?
– danjah
Nov 22 '16 at 2:00
Worked o...
