大约有 45,000 项符合查询结果（耗时：0.0485秒） [XML]
What should my Objective-C singleton look like? [closed]
...ichever one loses releases the instance it just allocated and returns the (now set) sharedInstance. The single OSAtomicCompareAndSwapPtrBarrier acts as both a write barrier for the setting thread and a read barrier from the testing thread.
...
The term “Context” in programming? [closed]
I have been programming for some months now and a frequently used word is "context" in classes. Like ServletContext (Java), Activity (Android), Service (Java, Android), NSManagedContext (Objective-C, iOS).
...
Are there any JavaScript static analysis tools? [closed]
...
The source code for TAJS is now available.
– Rich Dougherty
Sep 13 '12 at 19:58
add a comment
|
...
How to unit test an object with database queries
...r
{
public Foo[] GetAllFoos() {
return Foo.GetAll();
}
}
Now in your unit test, you create a mock of FooDataProvider, which allows you to call the method GetAllFoos without having to actually hit the database.
class BarTests
{
public TestGetAllFoos() {
// here we set u...
FileSystemWatcher Changed event is raised twice
...
I am afraid that this is a well-known bug/feature of the FileSystemWatcher class. This is from the documentation of the class:
You may notice in certain situations that a single creation event generates multiple Created events that are handled by your co...
Get file version in PowerShell
...
Nowadays you can get the FileVersionInfo from Get-Item or Get-ChildItem, but it will show the original FileVersion from the shipped product, and not the updated version. For instance:
(Get-Item C:\Windows\System32\Lsasrv.dll...
Chrome Dev Tools: How to trace network for a link that opens a new tab?
...
In Chrome 61.0.3163.100 you now have the following option available.
It is accessed by going to the Chrome Dev Tools Settings. It's at the bottom.
share
|
...
Get file name from URL
...
Nvm. I realize now that my problem was due to how Clojure handles var-args during Java-interop. The String overload wasn't working because an empty array needed to be passed as well to handle the var-args of Paths/get. It still works though...
Django : How can I see a list of urlpatterns?
... @NathanIngram The "print(''.join(p))" won't work because it's now a list of tuples instead of a list of strings, try "print(''.join(p[0]))".
– Cesar Canassa
Jul 9 '19 at 15:42
...
Python: Why is functools.partial necessary?
... base=2),)
if setattr(f, 'keywords', {'base': 2}) is None][0]
Now combine the named-arguments overridability, plus the setting of three attributes, into a single expression, and tell me just how readable that is going to be...!
...