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Designing function f(f(n)) == -n
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Hmm, saving state with even and odd numbers, I should've thought of that.
– Unknown
Apr 8 '09 at 22:25
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Possible to do a MySQL foreign key to one of two possible tables?
...table.
Polymorphic Associations are supported by frameworks such as Rails and Hibernate. But they explicitly say that you must disable SQL constraints to use this feature. Instead, the application or framework must do equivalent work to ensure that the reference is satisfied. That is, the value ...
Why use the params keyword?
...ly doing to make the best choice.
– Allen Clark Copeland Jr
Nov 28 '15 at 22:15
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Why does an image captured using camera intent gets rotated on some devices on Android?
I'm capturing an image and setting it to image view.
24 Answers
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How can I get the max (or min) value in a vector?
...lt; *std::min_element(mybegin(cloud), myend(cloud)) << '\n';
}
Oh, and use std::minmax_element(...) if you need both at once :/
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What is the easiest way to initialize a std::vector with hardcoded elements?
I can create an array and initialize it like this:
29 Answers
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HashMap and int as key
I am trying to build a HashMap which will have integer as keys and objects as values.
11 Answers
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How do I enter RGB values into Interface Builder?
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When you choose "Save for Web & Devices" from Photoshop, uncheck the "Convert to sRGB" box.
In Xcode, click the colorspace popup in the color picker and choose "Generic RGB", then enter the red, green and blue values from Photoshop, NOT THE HEX VALUE as this reverts back to the sRGB colors...
How to retrieve all keys (or values) from a std::map and put them into a vector?
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Personally, I like the BOOST_FOREACH version because there is less typing and it is very explicit about what it is doing.
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How can you use optional parameters in C#?
...nnot have public void SomeMethod(int b = 0, int a)
– Andrew Meservy
Feb 27 '19 at 19:24
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