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In Java 8 how do I transform a Map to another Map using a lambda?
...nteger) -> map2.put(s, integer));
And because we're just calling an existing method we can use a method reference, which gives us:
map.forEach(map2::put);
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Convert datetime to Unix timestamp and convert it back in python
I have dt = datetime(2013,9,1,11) , and I would like to get a Unix timestamp of this datetime object.
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Child with max-height: 100% overflows parent
I'm trying to understand what appears to be unexpected behaviour to me:
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Checking the equality of two slices
... you do often anyways. Also, reflect.DeepEqual may do something you don't expect such as saying two different pointers are equal because the values they point to are equal.
– Stephen Weinberg
Mar 25 '15 at 14:04
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Looping over arrays, printing both index and value
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@glennjackman can you explain this more The use of [@] and double quotes means it's not a "space separated list of words"
– Kasun Siyambalapitiya
Dec 2 '16 at 10:27
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Is a `=default` move constructor equivalent to a member-wise move constructor?
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Yes both are the same.
But
struct Example {
int a, b;
Example(int mA, int mB) : a{mA}, b{mB} { }
Example(const Example& mE) = default;
Example(Example&& mE) = default;
Example& operator=(const Ex...
What Makes a Method Thread-safe? What are the rules?
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In the third example private string someValue; is not static so each instance will get a separate copy of that variable. So can you please explain how this is not thread safe?
– Bharadwaj
Apr 3 '14 at...
Converting RGB to grayscale/intensity
... link to Ware in books.google.com
may or may not work
cambridgeincolor :
excellent, well-written
"tutorials on how to acquire, interpret and process digital photographs
using a visually-oriented approach that emphasizes concept over procedure"
Should you run into "linear" vs "nonlinear" RGB,
here'...
MySql server startup error 'The server quit without updating PID file '
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