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How do you save/store objects in SharedPreferences on Android?

...n is better. First of all to use serialize, the object and every object inside it needs to implement the serialize interface. This is not needed for gson. gson also works great when your object is a list of objects. – Neville Nazerane Jan 19 '17 at 7:26 ...
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MySQL Removing Some Foreign keys

...query would do it: ALTER TABLE assignmentStuff DROP FOREIGN KEY assignmentIDX; share | improve this answer | follow | ...
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How to convert int to NSString?

...iption will print the date, but stringValue will crash): NSNumber *test = (id)[NSDate date]; NSLog(@"description: %@", test.description); NSLog(@"string value: %@", test.stringValue); – Islam Q. Aug 5 '16 at 6:31 ...
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How to avoid the need to specify the WSDL location in a CXF or JAX-WS generated webservice client?

... out the right answer to this question today. <plugin> <groupId>org.apache.cxf</groupId> <artifactId>cxf-codegen-plugin</artifactId> <version>${cxf.version}</version> <executions> <execution> <id>generat...
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How to implement the Java comparable interface?

... implement the compareTo(Animal other) method that way you like it. @Override public int compareTo(Animal other) { return Integer.compare(this.year_discovered, other.year_discovered); } Using this implementation of compareTo, animals with a higher year_discovered will get ordered higher. I ho...
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How do I append one string to another in Python?

...sed to be O(n^2), but now it is O(n). From the source (bytesobject.c): void PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w) { PyBytes_Concat(pv, w); Py_XDECREF(w); } /* The following function breaks the notion that strings are immutable: it changes the size of a str...
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How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec

...y how to select multiple columns from a subquery: SELECT A.SalesOrderID, A.OrderDate, SQ.Max_Foo, SQ.Max_Foo2 FROM A LEFT OUTER JOIN ( SELECT B.SalesOrderID, MAX(B.Foo) AS Max_Foo, MAX(B.Foo2) AS Max_Foo2 FROM B GR...
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'printf' vs. 'cout' in C++

...cription is placeholder, the code would look like this. Both examples work identically (well, sort of, std::endl actually flushes the buffer). printf("Error %d: %s.\n", id, errors[id]); std::cout << "Error " << id << ": " << errors[id] << "." << std::endl; Whil...
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How does “304 Not Modified” work exactly?

... @VenomVendor: ETag is just a field where the server can store a unique ID (typically a hash or version number or vector clock). It doesn't help you calculate that ID at all; that's up to your server-side code. – SLaks Jan 7 '14 at 18:24 ...
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What's the best way to communicate between view controllers?

...ects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data. Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller onto the navigation con...