大约有 44,000 项符合查询结果（耗时：0.0409秒） [XML]
What does “@private” mean in Objective-C?
...class. Private members cannot be accessed by subclasses or other classes.
For example:
@interface MyClass : NSObject
{
@private
int someVar; // Can only be accessed by instances of MyClass
@public
int aPublicVar; // Can be accessed by any object
}
@end
Also, to clarify, method...
HTML/Javascript change div content
...ot using jQuery or some other library that makes this sort of thing easier for you, you can just use the element's innerHTML property.
document.getElementById("content").innerHTML = "whatever";
share
|
...
CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
...
Since this is the top question for this topic in Google even though it has been closed: if not exists (select * from sys.tables t join sys.schemas s on (t.schema_id = s.schema_id) where s.name = 'myschema' and t.name = 'cars') create table myschema.cars (...
Is there a way to rollback my last push to Git? [duplicate]
...}
git push -f
git reset --hard HEAD@{1}
( basically, go back one commit, force push to the repo, then go back again - remove the last step if you don't care about the commit )
Without doing any changes to your local repo, you can also do something like:
git push -f origin <sha_of_previous_com...
How do I provide a username and password when running “git clone git@remote.git”?
...e https://username@github.com/username/repository.git
It will prompt you for your password.
Alternatively, you may use:
git clone https://username:password@github.com/username/repository.git
This way worked for me from a GitHub repository.
...
how to disable DIV element and everything inside [duplicate]
...
disabled isn't a valid property for div.
– James Donnelly
Mar 21 '13 at 18:34
17
...
Android. Fragment getActivity() sometimes returns null
...ong with my code. On emulator and my device application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called.
...
How do I escape reserved words used as column names? MySQL/Create Table
...
The same fix (double quote to escape) works for keywords in Cassandra's CQL as well. A bit off-topic, I know, but this thread surfaced in a Cassandra-specific search.
– Godfrey Duke
Feb 26 '16 at 22:44
...
String comparison in Python: is vs. == [duplicate]
...
For all built-in Python objects (like
strings, lists, dicts, functions,
etc.), if x is y, then x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse ...
Passing an array as a function parameter in JavaScript
...const args = ['p0', 'p1', 'p2'];
call_me.apply(this, args);
See MDN docs for Function.prototype.apply().
If the environment supports ECMAScript 6, you can use a spread argument instead:
call_me(...args);
share
...