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How to delete a whole folder and content?
I want the users of my application to be able to delete the DCIM folder (which is located on the SD card and contains subfolders).
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Why does UITableViewCell remain highlighted?
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Since 3.2, the automatic deselection behaviour occurs if your UITableViewController's clearsSelectionOnViewWillAppear property is set to YES (which is the default), and you haven't prevented [super viewWillAppear] from being called.
– D...
‘ld: warning: directory not found for option’
...library path. Verify that the path specified in the error exists. The location of the library on disk may have been moved.
– AWrightIV
Sep 17 '13 at 21:59
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What is object serialization?
What is meant by "object serialization"? Can you please explain it with some examples?
14 Answers
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How to Animate Addition or Removal of Android ListView Rows
In iOS, there is a very easy and powerful facility to animate the addition and removal of UITableView rows, here's a clip from a youtube video showing the default animation. Note how the surrounding rows collapse onto the deleted row. This animation helps users keep track of what changed in a li...
How to read json file into java with simple JSON library
...at was the closest match to your original code. The json-simple documentation says a JSONArray is java.util.List, so you can iterate over the elements just like you would a normal list. Is that enough to go on?
– Greg Kopff
Jun 7 '12 at 8:06
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
11 Answers
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Comment the interface, implementation or both?
...inciple as with code:
on interface, document the interface
on implementation, document the implementation specifics
Java specific: when documenting the implementation, use {@inheritDoc} tag to "include" javadocs from the interface.
For more information:
Official javadoc documentation
Some uno...
How to get ERD diagram for an existing database?
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We used DBVisualizer for that.
Description:
The references graph is a great feature as it automatically renders all primary/foreign key mappings (also called referential integrity constraints) in a graph style. The table nodes and relations are layed out automatic...
Jackson and generic type reference
...ust indicate actual class, usually as Class argument. Without such information, best that can be done is to use bounds; and plain T is roughly same as 'T extends Object'. And Jackson will then bind JSON Objects as Maps.
In this case, tester method needs to have access to Class, and you can construc...