大约有 32,294 项符合查询结果（耗时：0.0651秒） [XML]
Difference between “!==” and “==!” [closed]
...
==! doesn't exist as such. It's a somewhat cryptic notation of == !
As spaces don't matter in those operations, you could just as easily write a --> b, which evaluates to a-- > b, but will look strange.
So, as to the question: "a" ==! " " will be parsed t...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...
Assuming you're looking for a quick tactical fix, what you need to do is make sure the cell image is initialized and also that the cell's row is still visible, e.g:
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
...
Find the similarity metric between two strings
...l function (get_closest_matches). It's a convenience function that may be what you are looking for, AKA read the docs! In my particular application I was doing some basic error checking / reporting to the user providing bad input, and this answer allows me to report to them the potential matches a...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...
@JessePet: What happens if you open a new Python3 terminal and do {1: 2}.values()? Or d = {1: 2}; print d.values()?
– David Robinson
Jul 2 '13 at 18:24
...
Add a dependency in Maven
... it into the lib directory. With maven, you don't do it this way. Here's what you do:
Go to mvnrepository
Search for the library you want to add
Copy the dependency statement into your pom.xml
rebuild via mvn
Now, maven will connect and download the jar along with the list of dependencies, and...
String concatenation: concat() vs “+” operator
...e toString() method for objects). So the concat() method is more strict in what it accepts.
To look under the hood, write a simple class with a += b;
public class Concat {
String cat(String a, String b) {
a += b;
return a;
}
}
Now disassemble with javap -c (included in th...
How is OAuth 2 different from OAuth 1?
.... OAuth 2.0 has the notion of refresh tokens. While I'm not entirely sure what these are, my guess is that your access tokens can be short lived (i.e. session based) while your refresh tokens can be "life time". You'd use a refresh token to acquire a new access token rather than have the user re-au...
Get table column names in MySQL?
...
What's with the upper-case fetish?
– Pacerier
Feb 17 '15 at 7:27
...
C# generic list how to get the type of T? [duplicate]
...t which I suspect to be some kind of IList<>, how can I determine of what it's an IList<>?
Here's the gutsy solution. It assumes you have the actual object to test (rather than a Type).
public static Type ListOfWhat(Object list)
{
return ListOfWhat2((dynamic)list);
}
private stati...
Can I target all tags with a single selector?
...
No, a comma-separated list is what you want in this case.
share
|
improve this answer
|
follow
|
...