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Android: Rotate image in imageview by an angle
...wing code to rotate a image in ImageView by an angle. Is there any simpler and less complex method available.
25 Answers
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How to copy a java.util.List into another java.util.List
...y otherList from another thread, then you may want to make that otherList (and even newList) a CopyOnWriteArrayList, for instance -- or use a lock primitive, such as ReentrantReadWriteLock to serialize read/write access to whatever lists are concurrently accessed.
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NSDictionary - Need to check whether dictionary contains key-value pair or not
...UInteger mCount = [xyz count];. Both of these answers are documented well and easily found in the NSDictionary class reference ([1] [2]).
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Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”
Disclaimer: I'm new to the REST school of thought, and I'm trying to wrap my mind around it.
6 Answers
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XPath: How to select nodes which have no attributes?
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To address Marek Czaplicki's comment and expand the answer
//node[not(@*) or not(string-length(@*))]
....will select all node elements with zero attributes OR which have attributes that are all empty. If it was just a particular attribute you are interested i...
Is there a way to ignore a single FindBugs warning?
...using the annotation approach is that your code rather needlessly imports (and subsequent dependency) the Findbugs library :(
– Ashley Walton
Feb 3 '12 at 10:25
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Make a URL-encoded POST request using `http.NewRequest(…)`
... create a request. For this POST request I append my data query to the URL and leave the body empty, something like this:
1...
Determine if an HTML element's content overflows
..., a long div with small, fixed size, the overflow property set to visible, and no scrollbars on the element.
6 Answers
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Python circular importing?
... specific to your case: Try changing entities/post.py to do import physics and then refer to physics.PostBody rather than just PostBody directly. Similarly, change physics.py to do import entities.post and then use entities.post.Post rather than just Post.
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
...relationships involve a parent table that holds the
central data values, and a child table with identical values pointing
back to its parent. The FOREIGN KEY clause is specified in the child
table.
It will reject any INSERT or UPDATE operation that attempts to create
a foreign key value...