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What is the 'override' keyword in C++ used for? [duplicate]
...s removed (not alternated). This is useful if the subclass is expecting a callback but it will never happen due to the library change, etc.
– Hei
Mar 11 '18 at 5:32
...
Add a CSS class to
...name.
Alternatively, you can style the button without a class:
form#form_id_here input[type=submit]
Try that, as well.
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Lambda function in list comprehensions
...
The first one creates a single lambda function and calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or ...
What's the nearest substitute for a function pointer in Java?
... {
int i = sf.func("my string");
// do whatever ...
}
And would be called like so:
ref.takingMethod(new StringFunction() {
public int func(String param) {
// body
}
});
EDIT: In Java 8, you could call it with a lambda expression:
ref.takingMethod(param -> bodyExpressio...
How do you avoid over-populating the PATH Environment Variable in Windows?
...dot3 forms for longer directory names, for example C:\Program Files is typically equivalent to C:\PROGRA~1. You can use dir /x to see the shorter names.
EDIT 3: This simple test leads me to believe Ben Voigt is right.
set test1=hello
set test2=%test1%hello
set test1=bye
echo %test2%
At the end o...
How to check if an element does NOT have a specific class?
... of DOM elements just as easy as we can on single objects. Your answer provides just that solution. +1
– Stijn de Witt
Sep 28 '12 at 9:27
1
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Why does Math.Round(2.5) return 2 instead of 3?
...llows IEEE Standard 754,
section 4. This kind of rounding is
sometimes called rounding to nearest,
or banker's rounding. It minimizes
rounding errors that result from
consistently rounding a midpoint value
in a single direction.
You can specify how Math.Round should round mid-points us...
How to save MailMessage object to disk as *.eml or *.msg file
...eeded to add the <network host="...", etc. in addition to what Ryan provided.
– Steven Rogers
Jul 7 '11 at 20:42
10
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Should private helper methods be static if they can be static
... that they will not modify the state of the object. My IDE will also show calls to static methods in italics, so I will know the method is static without looking the signature.
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How does libuv compare to Boost/ASIO?
...d each operation can either be synchronous blocking or asynchronous. If a callback is provided, then the operation will be executed asynchronously within an internal threadpool. If a callback is not provided, then the call will be synchronous blocking.
Boost.Filesystem provides synchronous blockin...