大约有 30,000 项符合查询结果(耗时:0.0491秒) [XML]
Should I return EXIT_SUCCESS or 0 from main()?
...better style.)
(Somebody asked about OpenVMS. I haven't used it in a long time, but as I recall odd status values generally denote success while even values denote failure. The C implementation maps 0 to 1, so that return 0; indicates successful termination. Other values are passed unchanged, so r...
Why does MYSQL higher LIMIT offset slow the query down?
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The time-consuming part of the two queries is retrieving the rows from the table. Logically speaking, in the LIMIT 0, 30 version, only 30 rows need to be retrieved. In the LIMIT 10000, 30 version, 10000 rows are evaluated and 3...
How do you save/store objects in SharedPreferences on Android?
...I have it in onSaveInstanceState now but , given my app is collecting real-time data every 10 seconds, I get a hiccup every once in a while and the object I am saving with saveObjectToSharedPreference loses some readings. All thoughts are welcome.
– Frank Zappa
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Proper use of the IDisposable interface
...f.
The destruction of our object by the Garbage collector is the perfect time to free those pesky unmanaged resources. We do this by overriding the Finalize() method.
Note: In C#, you don't explicitly override the Finalize() method.
You write a method that looks like a C++ destructor, and ...
How to get the nvidia driver version from the command line?
For debugging CUDA code and checking compatibilities I need to find out what nvidia driver version for the GPU I have installed. I found How to get the cuda version? but that does not help me here.
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Javascript “Not a Constructor” Exception while creating objects
I am defining an object like this:
14 Answers
14
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Chrome refuses to execute an AJAX script due to wrong MIME type
I'm trying to access a script as JSON via AJAX, which works fine on Safari and other browsers but unfortunately will not execute in Chrome. It's coming with the following error:
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Difference between thread's context class loader and normal classloader
...meant "ClassB needs to loadable by the classloader of ClassA". 90% of the time they mean the same. But if you are not using a URL based classloader, then only the second case is true.
– David Roussel
Aug 26 '14 at 11:19
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lock(new object()) — Cargo cult or some crazy “language special case”?
...j)
{
// do amazing stuff, so amazing it can only run once at a time
// e.g. comands on the Mars Rover, or programs on iOS pre 4 / 5 ??
}
}
and thought he could cut the number of lines.
I'd be very worried if that were the case though...
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How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
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