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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ?
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Difference between this and self in self-type annotations?
In various Scala literature I see some self-type annotations using "this" and others using "self":
2 Answers
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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
Is there a better way than the following to check to see if a string is nil OR has a length of 0 in Ruby?
16 Answers
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Can we convert a byte array into an InputStream in Java?
Can we convert a byte array into an InputStream in Java? I have been looking on the internet but couldn't find it.
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How to use range-based for() loop with std::map?
The common example for C++11 range-based for() loops is always something simple like this:
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How to add a new row to datagridview programmatically
if add row to DataTable
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invalid target release: 1.7
I have seen similar questions, but haven't yet found the answer.
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onIabPurchaseFinished never called.
I've been trying to set up in-app billing for my first app, and have been using the android.test.purchased sku. The purchase come through, and I manage to get the SKU into my inventory, but, as the title says, onIabPurchaseFinished, is never called.
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How to Sort Multi-dimensional Array by Value?
How can I sort this array by the value of the "order" key? Even though the values are currently sequential, they will not always be.
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LINQ to Entities does not recognize the method
I'm getting the following error when trying to do a linq query:
4 Answers
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