大约有 13,066 项符合查询结果(耗时:0.0269秒) [XML]
Wrong requestCode in onActivityResult
...
You are calling startActivityForResult() from your Fragment. When you do this, the requestCode is changed by the Activity that owns the Fragment.
If you want to get the correct resultCode in your activity try this:
Change:
...
Best way to add comments in erb
...
Use the <%# %> sequence, e.g.
<%# This is a great comment! %>
share
|
improve this answer
|
...
Remove duplicate values from JS array [duplicate]
I have a very simple JavaScript array that may or may not contain duplicates.
54 Answers
...
Difference of keywords 'typename' and 'class' in templates?
...t;
class Foo
{
};
and
template<typename T>
class Foo
{
};
are equivalent.
Having said that, there are specific cases where there is a difference between typename and class.
The first one is in the case of dependent types. typename is used to declare when you are referencing a nested typ...
How to find the statistical mode?
In R, mean() and median() are standard functions which do what you'd expect. mode() tells you the internal storage mode of the object, not the value that occurs the most in its argument. But is there is a standard library function that implements the statistical mode for a vector (or list)?
...
mysqldump - Export structure only without autoincrement
I have a MySQL database and I am trying to find a way to export its structure only, without the auto increment values. mysqldump --no-data would almost do the job, but it keeps the auto_increment values. Is there any way to do it without using PHPMyAdmin (that I know it can do it)?
...
Windows can't find the file on subprocess.call()
...
When the command is a shell built-in, add a 'shell=True' to the call.
E.g. for dir you would type:
import subprocess
subprocess.call('dir', shell=True)
To quote from the documentation:
The only time you need to specify shell=True on Windows is wh...
Python function global variables?
I know I should avoid using global variables in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.)
...
Change IPython/Jupyter notebook working directory
When I open a Jupyter notebook (formerly IPython) it defaults to C:\Users\USERNAME .
31 Answers
...
