大约有 47,000 项符合查询结果（耗时：0.0381秒） [XML]
Does adding a duplicate value to a HashSet/HashMap replace the previous value
...
ah I get it now. I understood that the key is the element of the Set, but just realized that put() will only override the value, not the key. In this case, it's the same value put alongside the key again, which may or may not be better t...
Same Navigation Drawer in different Activities
...ike it's shown in the tutorial on the developer.android.com website. But now, I want to use one Navigation Drawer, i created in the NavigationDrawer.class for multiple Activities in my Application.
...
Remove grid, background color, and top and right borders from ggplot2
...
EDIT Ignore this answer. There are now better answers. See the comments. Use + theme_classic()
EDIT
This is a better version. The bug mentioned below in the original post remains (I think). But the axis line is drawn under the panel. Therefore, remove both t...
How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
...
Making iTerm to translate 'meta-key' in the same way as in other OSes
...had to change the xterm (OS X) entry rather than global, but it is working now.
– Jason Axelson
Aug 1 '10 at 22:39
I d...
Decreasing height of bootstrap 3.0 navbar
...
Ah, I see this post was edited (a lot!) and now indeed shows the right code. I also see the min-height setting I suggested in my post here that for some reason got a down-vote. It's very frustrating to get downvoted on an answer that is correct, on-topic and clear...
...
Split (explode) pandas dataframe string entry to separate rows
...1 var2 var3
0 [a, b, c] 1 XX
1 [d, e, f, x, y] 2 ZZ
Now we can do this:
In [181]: pd.DataFrame({
...: col:np.repeat(x[col].values, x[lst_col].str.len())
...: for col in x.columns.difference([lst_col])
...: }).assign(**{lst_col:np.concatenate(x[lst_col]....
Mercurial: how to amend the last commit?
...nd have some other changes (3) Commit changes, resulting in revision 3 (4) Now I'll change my mind and decide "file" should not be removed from the commit, so I want to amend revision 3. Hence, I'll re-add "file" which is now unversioned (5) Now I perform rollback: it will reset the dirstate and mar...
.gitignore exclude files in directory but not certain directories
...le in each directory will get added -- but this means the directories will now be tracked (i.e., created when cloning).
share
|
improve this answer
|
follow
|
...
What are CFI directives in Gnu Assembler (GAS) used for?
... procedure B which then calls a common procedure C. Procedure C fails. You now want to know who actually called C and then you may want to know who called B.
A debugger can unwind this stack by using the stack pointer (%rsp) and register %rbp, however it needs to know how to find them. That is whe...