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Possible heap pollution via varargs parameter
...uted, this should never throw a CCE
B b = listOfBs.get(0);
@SafeVarargs does not prevent this at all. However, there are methods which provably will not pollute the heap, the compiler just can't prove it. Previously, callers of such APIs would get annoying warnings that were completely pointless ...
Operator overloading in Java
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No, Java doesn't support user-defined operator overloading. The only aspect of Java which comes close to "custom" operator overloading is the handling of + for strings, which either results in compile-time concatenation of constants o...
How do I clone a Django model instance object and save it to the database?
...py(object_you_want_copied)
new_instance.id = None
new_instance.save()
It does the same thing as some of these other answers, but it doesn't make the database call to retrieve an object. This is also useful if you want to make a copy of an object that doesn't exist yet in the database.
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Difference between SurfaceView and View?
...endered when you call the methods invalidate or postInvalidate(), but this does not mean the view will be
immediately updated (A VSYNC will be sent, and the OS decides when
it gets updated. The SurfaceView can be immediately updated.
3. A SurfaceView has an allocated surface buffer, so it ...
Read/Write 'Extended' file properties (C#)
...g. Author or publisher for a .txt file. I am on win 7 and used this and it does show a blank author and publisher and 282 other properties
– Vaibhav Garg
Apr 7 '10 at 12:43
1
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How to spyOn a value property (rather than a method) with Jasmine
... do this if valueA is a Observable or Subject? I'm getting Property valueA does not have access type get
– Ka Mok
Feb 28 '18 at 16:21
4
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What is a postback?
...rd postback thrown around. Coming from a non-web based background, what does a new web developer have to know about postbacks? (i.e. what are they and when do they arise?)
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Find out who is locking a file on a network share
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PsFile does work on remote machines. If my login account already has access to the remote share, I can just enter:
psfile \\remote-share
(replace "remote-share" with the name of your file server) and it will list every opened do...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
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The -z option is also unneeded. It does nothing in extract or list mode.
– asmeurer
Jan 14 '14 at 22:07
1
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Difference between outline and border
Does anybody know of any difference between 'border' and 'outline' properties in CSS? If there is no difference, then why are there two properties for the same thing?
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