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java: HashMap not working
...h auto-boxing/unboxing there is little difference in the code. Auto-boxing means you can write:
myMap.put("foo", 3);
instead of:
myMap.put("foo", new Integer(3));
Auto-boxing means the first version is implicitly converted to the second. Auto-unboxing means you can write:
int i = myMap.get("f...
Always pass weak reference of self into block in ARC?
...hen there is no other group have strong reference of A and B outside -- it means we cannot reach these two object(we cannot control A to release B and vice versa), therefor, A and B reference each other to keep themselves both alive.
– Danyun Liu
Nov 17 '13 at ...
Is it possible to hide the cursor in a webpage using CSS or Javascript?
I want to hide the cursor when showing a webpage that is meant to display information in a building hall. It doesn't have to be interactive at all. I tried with the cursor property and a transparent cursor image but I didn't make it work.
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In Scala, what exactly does 'val a: A = _' (underscore) mean?
....com%2fquestions%2f8336640%2fin-scala-what-exactly-does-val-a-a-underscore-mean%23new-answer', 'question_page');
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There is already an open DataReader associated with this Command which must be closed first
...m the MARS Documentation page: "MARS operations are not thread-safe." That means, if the problem arises from multiple threads accessing the Context, MARS is (probably) not the solution.
– marsop
Jan 27 '17 at 15:27
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Does const mean thread-safe in C++11?
I hear that const means thread-safe in C++11 . Is that true?
1 Answer
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Using column alias in WHERE clause of MySQL query produces an error
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@Agamemnus, What do you mean by that?
– Pacerier
Apr 9 '15 at 21:36
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How can I update a single row in a ListView?
... also points to the project called Shelves as an example, I think he might mean the method ShelvesActivity.updateBookCovers(), but I can't find the call of getFirstVisiblePosition().
AWESOME UPDATES COMING:
The RecyclerView will fix this in the near future. As pointed out on http://www.grokkingand...
Original purpose of ? [closed]
...scription):
type=hidden
These fields should not be rendered and provide a means for servers to store state information with a form. This will be passed back to the server when the form is submitted, using the name/value pair defined by the corresponding attributes. This is a work around for the sta...
Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
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Device id means that number ?? that appears on the device as like 5554 or 5556... as like ???
– Shreyash Mahajan
Aug 25 '11 at 7:07
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