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Why is the use of tuples in C++ not more common?
Why does nobody seem to use tuples in C++, either the Boost Tuple Library or the standard library for TR1? I have read a lot of C++ code, and very rarely do I see the use of tuples, but I often see lots of places where tuples would solve many problems (usually returning multiple values from functi...
jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
...method for parsing unit strings into numbers. What is the jQuery method to do this?
6 Answers
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Vagrant ssh authentication failure
...econd network interface can be anything you want when you're building box. Don't forget the Vagrant user, as discussed in the Google thread.
Good luck.
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Oracle: If Table Exists
...ption: this avoids the overhead of checking if the table exists twice; and doesn't suffer from the problem that if the DROP fails for some other reason (that might be important) the exception is still raised to the caller:
BEGIN
EXECUTE IMMEDIATE 'DROP TABLE ' || table_name;
EXCEPTION
WHEN OT...
In Vim/Vi, how do you move the cursor to the end of the previous word?
... combination of two commands, so you can't use it like: d be. Whereas d ge does work
– Daniel Thompson
Mar 15 '18 at 8:43
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How do I format a string using a dictionary in python-3.x?
...int["longitude"]}')
41.123 71.091
Note the outer single quotes and inner double quotes (you could also do it the other way around).
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How do I vertically align text in a div?
... which you know the height. What if you have 2 or 3 rows of text or if you don't know the height of your text, cause it varies. How would that work with line-height? So to sum up. I tested the first version and it works on IE, Firefox AND CHROME.
– Raul
Jan 19 ...
Variable declared in for-loop is local variable?
...h is invalid according to the above.
The reason why you're not allowed to do int A = i; is because int i is only scoped for use within the for loop. Thus it is no longer accessible outside of the for loop.
As you can see both of these issues are a result of scoping; the first issue (int i = 4;) w...
Moq: How to get to a parameter passed to a method of a mocked service
...esponse>()))
.Callback<SomeResponse>(r => result = r);
// do your test
new Foo(mock.Object).Bar(22);
Assert.NotNull(result);
If you only want to check something simple on the passed in argument, you also can do it directly:
mock.Setup(h => h.AnsyncHandle(It.Is<SomeResponse&...
Why do we need argc while there is always a null at the end of argv?
... can traverse the argument list without argc . A single while loop will do this.
4 Answers
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