大约有 45,000 项符合查询结果（耗时：0.0522秒） [XML]
Android: checkbox listener
... OnCheckedChangeListener and CompoundButton.OnCheckedChangeListener are different.
– zionpi
Apr 30 '15 at 6:25
for k...
How to validate GUID is a GUID
How to determine if a string contains a GUID vs just a string of numbers.
9 Answers
9
...
Initialise a list to a specific length in Python [duplicate]
...
If the "default value" you want is immutable, @eduffy's suggestion, e.g. [0]*10, is good enough.
But if you want, say, a list of ten dicts, do not use [{}]*10 -- that would give you a list with the same initially-empty dict ...
How do I enter a multi-line comment in Perl? [duplicate]
...orks well when you don't plan to
leave the commented code in the source. If a Pod parser comes along,
your multiline comment is going to show up in the Pod translation. A
better way hides it from Pod parsers as well.
The =begin directive can mark a section for a particular purpose. If
t...
What does `unsigned` in MySQL mean and when to use it?
...hen you need a larger upper
numeric range for the column. For
example, if an INT column is UNSIGNED,
the size of the column's range is the
same but its endpoints shift from
-2147483648 and 2147483647 up to 0 and 4294967295.
When do I use it ?
Ask yourself this question: Will this field...
How to use setInterval and clearInterval?
...le you can use to cancel it via clearTimeout before it fires that one time if appropriate.)
setTimeout(drawAll, 20);
share
|
improve this answer
|
follow
|
...
How to go to a URL using jQuery? [duplicate]
... will not work )
window.location.replace("http://www.google.com");
//like if you click on a link (it will be saved in the session history,
//so the back button will work as expected)
window.location.href = "http://www.google.com";
...
Laravel 4: how to “order by” using Eloquent ORM [duplicate]
...
If you are using post as a model (without dependency injection), you can also do:
$posts = Post::orderBy('id', 'DESC')->get();
share
|
...
How to merge images in command line? [closed]
...
If you are lazy, convert -append *.png out.png
– ChillarAnand
Dec 29 '16 at 7:15
...
How to reset index in a pandas dataframe? [duplicate]
...
DataFrame.reset_index is what you're looking for. If you don't want it saved as a column, then do:
df = df.reset_index(drop=True)
If you don't want to reassign:
df.reset_index(drop=True, inplace=True)
...