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How to get error message when ifstream open fails
...m with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
value in any other thread.
Edit (thanks to Arne Mertz and other people in the comments):
e.what() seemed at first to be a more C++-idiomatically correct way of implementing this, however the string ...
how to read value from string.xml in android?
...g like "Welcome, %1$s", then you can use getString(R.string.some_id, "John Doe"). to get "Welcome, John Doe" at runtime.
– M Granja
Aug 17 '13 at 21:35
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Why Doesn't C# Allow Static Methods to Implement an Interface?
...ar();
}
public class Foo: IFoo {
public static void Bar() {}
}
This doesn't make sense to me, semantically. Methods specified on an interface should be there to specify the contract for interacting with an object. Static methods do not allow you to interact with an object - if you find your...
efficient circular buffer?
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I don't like this solution because the docs doesn't guarantee O(1) random access when maxlen is defined. O(n) is understandable when the deque can grow to infinity, but if maxlen is given, indexing an element should be constant time.
– lvella
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How to create a generic array in Java?
...to ask a question in return: is your GenSet "checked" or "unchecked"?
What does that mean?
Checked: strong typing. GenSet knows explicitly what type of objects it contains (i.e. its constructor was explicitly called with a Class<E> argument, and methods will throw an exception when they are ...
Error when trying to obtain a certificate: The specified item could not be found in the keychain
...nt
What I've gathered from other internet sources is that Keychain Access DOES NOT allow you to create a new CSR if you imported the private key, only if you created the key locally from the tool.
What I ended up doing instead was exporting the private key and using openssl to generate the new CSR...
Java inner class and static nested class
... main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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display:inline vs display:block [duplicate]
...side the current block on the same line. Only when it's between two blocks does the element form an 'anonymous block', that however has the smallest possible width.
Read more about display options : http://www.quirksmode.org/css/display.html
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Selecting a row in DataGridView programmatically
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@Furkan: That does not do the same thing. With SelectedRows.Clear() only the selected rows are cleared, but with ClearSelection() also the columns => column-selections are lost...
– Christoph Fink
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Difference between initLoader and restartLoader in LoaderManager
...r example when an Activity is re-created after a
configuration change it does not need to re-create its loaders.
restartLoader
Call to re-create the Loader associated with a particular ID. If
there is currently a Loader associated with this ID, it will be
canceled/stopped/destroyed as a...