大约有 40,000 项符合查询结果(耗时:0.0685秒) [XML]
How does Python's super() work with multiple inheritance?
...ave trouble
understanding the super() function (new style classes) especially when it comes to multiple inheritance.
16 A...
How do I call some blocking method with a timeout in Java?
...use the timeout version of get().
See http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/FutureTask.html
share
|
improve this answer
|
follow
|
...
select * vs select column
...
It always pulls a tuple (except in cases where the table has been vertically segmented - broken up into columns pieces), so, to answer the question you asked, it doesn't matter from a performance perspective. However, for many other reasons, (below) you should always select specifically those co...
python: how to identify if a variable is an array or a scalar
I have a function that takes the argument NBins . I want to make a call to this function with a scalar 50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector?
...
When to use nil, blank, empty? [duplicate]
...
Here I made this useful table with all the cases
share
|
improve this answer
|
follow
|
...
How to set ViewBag properties for all Views without using a base class for Controllers?
...h as the current user, onto ViewData/ViewBag in a global fashion by having all Controllers inherit from a common base controller.
...
Full Screen Theme for AppCompat
...onResume() - without that, the navigation bar was still visible in my app (api 18+)
– Antek
Jul 10 '17 at 9:17
|
show 4 more comments
...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...
I actually just implemented this on one of my projects (your question and the other wrong answer hinted at what to do). I tried Sergio's answer but had exception issues when actually running on a device.
Yes you create two fetch ...
How to manually create icns files using iconutil?
...following instructions (link):
Use iconutil to Create an icns File Manually
The iconutil command-line tool converts iconset folders to deployment-ready, high-resolution icns files. (You can find complete documentation for this tool by entering man iconutil in Terminal.) Using this tool al...
How to use timeit module
...
The way timeit works is to run setup code once and then make repeated calls to a series of statements. So, if you want to test sorting, some care is required so that one pass at an in-place sort doesn't affect the next pass with already sorted data (that, of course, would make the Timsort reall...