大约有 35,100 项符合查询结果（耗时：0.0750秒） [XML]
@Override is not allowed when implementing interface method
...
If your project has multiple modules, also check that every module uses language level 6 or above, or use the project's language level (see Project Settings > Modules > xxx > Language level).
You may need to reload your project once it is modified.
...
Is it bad practice to make a setter return “this”?
Is it a good or bad idea to make setters in java return "this"?
27 Answers
27
...
Difference between object and class in Scala
...that are not associated with instances of some class.
object O extends T makes the object O an instance of trait T; you can then pass O anywhere, a T is expected.
if there is a class C, then object C is the companion object of class C; note that the companion object is not automatically an instance ...
What is the easiest way to initialize a std::vector with hardcoded elements?
I can create an array and initialize it like this:
29 Answers
29
...
Timeout for python requests.get entire response
...est after 10 seconds, even if data is being received, this snippet will work for you:
import requests
import eventlet
eventlet.monkey_patch()
with eventlet.Timeout(10):
requests.get("http://ipv4.download.thinkbroadband.com/1GB.zip", verify=False)
...
Correct way to use get_or_create?
...be included in defaults. In case CREATE event occurs, all the fields are taken into consideration.
It looks like you need to be returning into a tuple, instead of a single variable, do like this:
customer.source,created = Source.objects.get_or_create(name="Website")
...
What is the garbage collector in Java?
...t after a certain time, those objects are not used anymore. For example, take a look at the following code:
for (File f : files) {
String s = f.getName();
}
In the above code, the String s is being created on each iteration of the for loop. This means that in every iteration, a little bit of ...
Why are Oracle table/column/index names limited to 30 characters?
I can understand that many years ago there would be this kind of limitation, but nowadays surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys.
...
What is the difference between Strategy pattern and Dependency Injection?
...
DI and Strategy work in the same way, but Strategy is used for more fine-grained and short-lived dependencies.
When an object is configured with a "fixed" Strategy, for example when the object is constructed, the distinction between Strategy a...
Python syntax for “if a or b or c but not all of them”
...are, I would choose the second, here just choose the most readable (also taking in consideration the conditions you will be testing and their names). I picked the first.
share
|
improve this answer
...