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How many Activities vs Fragments?

...he basic tutorial. /** * Helper function to show the details of a selected item, either by * displaying a fragment in-place in the current UI, or starting a * whole new activity in which it is displayed. */ void showDetails(int index) { mCurCheckPosition = index;...
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Can an enum class be converted to the underlying type?

...t16_t /*v*/) { std::cout << "uint16_t!\n"; } int main(int argc, char* argv[]) { SomeEnum e = B; write(util::underlying_cast(e)); return 0; } share | improve this answer ...
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XDocument or XmlDocument

...er> XElement customersElement = new XElement("customers", customers.Select(c => new XElement("customer", new XAttribute("name", c.Name), new XAttribute("lastSeen", c.LastOrder) new XElement("address", new XAttribute("town", c.Town), new XAttr...
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Callback of .animate() gets called twice jquery

...e animate process isn't called twice, the callback is called once for each selected element. So, if you select 8 list items and animate them to the left, the callback will be executed 8 times. My solution gives you a single callback for when all 8 are finished. – Kevin B ...
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Add unique constraint to combination of two columns

....YourTable INSTEAD OF INSERT AS BEGIN SET NOCOUNT ON; IF NOT EXISTS (SELECT 1 FROM inserted AS i INNER JOIN dbo.YourTable AS t ON i.column1 = t.column1 AND i.column2 = t.column2 ) BEGIN INSERT dbo.YourTable(column1, column2, ...) SELECT column1, column2, ... FROM ins...
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Can a JSON value contain a multiline string

... Check out the specification! The JSON grammar's char production can take the following values: any-Unicode-character-except-"-or-\-or-control-character \" \\ \/ \b \f \n \r \t \u four-hex-digits Newlines are "control characters" so, no, you may not have a literal newli...
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MySQL: Transactions vs Locking Tables

...ransactions vs locking tables to ensure database integrity and make sure a SELECT and UPDATE remain in sync and no other connection interferes with it. I need to: ...
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What is the effect of encoding an image in base64?

...e64 is the better choice. Size of base64-images Base64 uses 64 different characters and this is 2^6. So base64 stores 6bit per 8bit character. So the proportion is 6/8 from unconverted data to base64 data. This is no exact calculation, but a rough estimate. Example: An 48kb image needs around 64...
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How to sum up an array of integers in C#

... Point taken. Yet, the following saves 18 chars compared to your sample: foreach (int i in arr) sum += i; – Jørn Schou-Rode Mar 16 '10 at 11:44 ...
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Cause of a process being a deadlock victim

I have a process with a Select which takes a long time to finish, on the order of 5 to 10 minutes. I am currently not using NOLOCK as a hint to the MS SQL database engine. At the same time we have another process doing updates and inserts into the same database and same tables. The first pr...