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How to Deal with Temporary NSManagedObject instances?
...s in other contexts. To get around this use objectID's, to get the object from the child context. eg.
NSManagedObjectID *mid = [myManagedObject objectID];
MyManagedObject *mySafeManagedObject = [childContext objectWithID:mid];
object.relationship=mySafeManagedObject;
Note, saving the child cont...
What is Bit Masking?
...; value;
}
Here is a fairly common use-case: Extracting individual bytes from a larger word. We define the high-order bits in the word as the first byte. We use two operators for this, &, and >> (shift right). This is how we can extract the four bytes from a 32-bit integer:
void more_...
Convert Year/Month/Day to Day of Year in Python
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There is a very simple solution:
from datetime import datetime
day_of_year = datetime.now().timetuple().tm_yday
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Most concise way to convert a Set to a List
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@Jack: That definitely won't be the case. From the Javadoc from java.util.List: "Lists (like Java arrays) are zero based."
– Adamski
Feb 19 '16 at 14:55
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I ran into a merge conflict. How can I abort the merge?
...ways, make sure you have no uncommitted changes before you start a merge.
From the git merge man page
git merge --abort is equivalent to git reset --merge when MERGE_HEAD is present.
MERGE_HEAD is present when a merge is in progress.
Also, regarding uncommitted changes when starting a merge:
If...
How to start working with GTest and CMake
... @weberc2 You have to run make test to run the tests, or run ctest from the build directory. Run ctest -V to see the google test output as well as the ctest output.
– Patrick
Jul 21 '16 at 20:15
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What is referential transparency?
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The term "referential transparency" comes from analytical philosophy, the branch of philosophy that analyzes natural language constructs, statements and arguments based on the methods of logic and mathematics. In other words, it is the closest subject outside compute...
Processing $http response in service
...p request, I used timeout to simulate asynchronous behavior. Data binding from my model to view is working correct, with the help of @Gloopy
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Open an IO stream from a local file or url
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Is there a way to return a file object like you did here from an ActionMailer attachment?
– AnApprentice
Dec 6 '10 at 0:03
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Is there common street addresses database design for all addresses of the world? [closed]
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It is possible to represent addresses from lots of different countries in a standard set of fields. The basic idea of a named access route (thoroughfare) which the named or numbered buildings are located on is fairly standard, except in China sometimes. Other nea...