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What's wrong with using == to compare floats in Java?
According to this java.sun page == is the equality comparison operator for floating point numbers in Java.
21 Answers
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What are the rules for calling the superclass constructor?
...:
class A : public B
{
public:
A(int a, int b, int c);
private:
int b_, c_;
};
Then, assuming B has a constructor which takes an int, A's constructor may look like this:
A::A(int a, int b, int c)
: B(a), b_(b), c_(c) // initialization list
{
// do something
}
As you can see, the con...
Is multiplication and division using shift operators in C actually faster?
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I tested i / 32 vs i >> 5 and i / 4 vs i >> 2 on gcc for cortex-a9 (which has no hardware division) with optimisation -O3 and the resulting assembly was exactly the same. I didn't like using divisions first but it describes my...
Swift: #warning equivalent
...mple all at the same time.
// Description of what you need to fix
var FIX_ME__????????????: AnyObject
Throws a warning that 'FIX_ME__????????????' was never used.
You can add emoticons to the variable name if you like... I often use ???? and ????, for something that really needs fixing I'd eve...
How to add items to a spinner in Android?
... Paresh MayaniParesh Mayani
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Sending HTML email using Python
...message to send - here it is sent as one string.
s.sendmail(me, you, msg.as_string())
s.quit()
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How do you install Boost on MacOS?
...st.org/users/download/#live
Unpack and go into the directory:tar -xzf boost_1_50_0.tar.gz
cd boost_1_50_0
Configure (and build bjam):
./bootstrap.sh --prefix=/some/dir/you/would/like/to/prefix
Build:
./b2
Install:./b2 install
Depending on the prefix you choose in Step 3, you might need to sudo S...
Remove Object from Array using JavaScript
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132
I recommend using lodash.js or sugar.js for common tasks like this:
// lodash.js
someArray = _...
Set TextView text from html-formatted string resource in XML
I have some fixed strings inside my strings.xml , something like:
7 Answers
7
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Unix - create path of folders and file
...or the code example can be: mkdir -p /my/other/path/here && touch $_/cpredthing.txt. The $_ expands to essentially the "last argument in the last command executed".
– Sgnl
Apr 19 '16 at 1:37
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