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Is main() really start of a C++ program?
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No, C++ does a lot of things to "set the environment" prior to the call of main; however, main is the official start of the "user specified" part of the C++ program.
Some of the environment setup is not controllable (like the initia...
How to compare if two structs, slices or maps are equal?
... ID int
Name string
}
p1 := person{ID: 1, Name: "john doe"}
p2 := person{ID: 2, Name: "john doe"}
println(cmp.Equal(p1, p2))
println(cmp.Equal(p1, p2, cmpopts.IgnoreFields(person{}, "ID")))
// Prints:
// false
// true
}
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How to use LINQ to select object with minimum or maximum property value
...);
UPDATE: Actually I shouldn't call this solution "naive", but the user does need to know what he is querying against. This solution's "slowness" depends on the underlying data. If this is a array or List<T>, then LINQ to Objects has no choice but to sort the entire collection first before ...
Possible to do a MySQL foreign key to one of two possible tables?
...(country_id),
FOREIGN KEY (user_id) REFERENCES users(user_id),
);
This does mean that to get all of a user's popular favorite places you need to query both of these tables. But it means you can rely on the database to enforce consistency.
Create a places table as a supertable. As Abie mention...
Bitwise operation and usage
...//en.wikipedia.org/wiki/Parallel_port). If you want to build software that does something with that hardware you will need bitwise operations to translate the instructions you want to execute to the bytes that the port understand.
For example, if you have some physical buttons connected to the para...
Should I use px or rem value units in my CSS? [closed]
...s
First, it's extremely important to know that per spec, the CSS px unit does not equal one physical display pixel. This has always been true – even in the 1996 CSS 1 spec.
CSS defines the reference pixel, which measures the size of a pixel on a 96 dpi display. On a display that has a dpi sub...
Where are static variables stored in C and C++?
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@Don Neufeld: your answer does not answer the question at all. I do not understand why it is accepted. Because the both the 'foo' and 'bar' are non-0 initialized. The question is where to place two static/global variable with the same name in .bss or ...
Make a link use POST instead of GET
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This does make the POST request as asked, but I couldn't use this because I still need to go to the location "Whatever.php".
– Chris
Sep 11 '12 at 18:37
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CSS - Overflow: Scroll; - Always show vertical scroll bar?
...o work on the iPad with Safari? I am on an iPad 2 running iOS 6.1.3 and it does not work.
– crmpicco
Aug 20 '13 at 11:08
8
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LINQPad [extension] methods [closed]
Does anyone have a complete list of LINQPad extension methods and methods, such as
4 Answers
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