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Iteration over std::vector: unsigned vs signed index variable
... (sizeof a / sizeof *a); i++) {
/* std::cout << a[i]; ... */
}
Read in the backward iterating answer what problem the sizeof approach can yield to, though.
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Practical uses for AtomicInteger
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As an atomic counter (incrementAndGet(), etc) that can be used by many threads concurrently
As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random number generator from Brian Göetz's Java Concur...
Example images for code and mark-up Q&As [closed]
...e https://stackoverflow.com/a/19209651/2891664
SHEET = ImageIO.read(new URL("https://i.stack.imgur.com/memI0.png"));
} catch (IOException x) {
throw new UncheckedIOException(x);
}
}
public static final BufferedImage GOLD_QUEEN = SHEET.getSubimage(0 ...
mongoDB/mongoose: unique if not null
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"Note: if the index already exists on the db, it will not be replaced." - mongoosejs.com/docs/2.7.x/docs/schematypes.html
– damphat
Oct 21 '13 at 10:15
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Accessing last x characters of a string in Bash
...t:
echo $string | cut -c $((${#string}-2))-$((${#string}))
This is more readable if you do it in two lines by defining the length ${#string} as a separate variable.
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What is the difference between “screen” and “only screen” in media queries?
... @Kokodoko ones that don't need one. But seriously, printers and screen readers don't necessarily have screens. Plus anything else currently or in the future that don't identify as screen such as anything listed in the other media types.
– Matthew Green
Mar ...
Adding a cross-reference to a subheading or anchor in another page
...to edit conf.py
extensions = [
.
. other
. extensions
. already
. listed
.
'sphinx.ext.autosectionlabel',
]
The only thing you have to be careful of is that now you can't duplicate internal headlines across the doc collection. (Worth it.)
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
... End Sub
Private m_Action As NotifyCollectionChangedAction
Public ReadOnly Property Action() As NotifyCollectionChangedAction
Get
Return m_Action
End Get
End Property
Private m_Items As IList
Public ReadOnly Property Items() As IEnumerable(Of T)
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ASP.Net MVC Html.HiddenFor with wrong value
...delState.Remove("Step");
model.Step = 2;
...because HiddenFor always (!) reads from ModelState not the model itself. And if it doesn't find the "Step" key it will produce the default for that variable type which will be 0 in this case
Here is the solution. I wrote it for myself but don't mind sha...
Can a decorator of an instance method access the class?
... Anyone trying to use this with staticmethod or classmethod will want to read this PEP: python.org/dev/peps/pep-0232 Not sure it's possible because you can't set an attribute on a class/static method and I think they gobble up any custom function attributes when they are applied to a function.
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