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range over interface{} which stores a slice
Given the scenario where you have a function which accepts t interface{} . If it is determined that the t is a slice, how do I range over that slice?
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delete vs delete[] operators in C++
...tructors for an array of objects created with new [].
Using delete on a pointer returned by new [] or delete [] on a pointer returned by new results in undefined behavior.
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Indexes of all occurrences of character in a string
The following code will print 2
14 Answers
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difference between foldLeft and reduceLeft in Scala
...ere is the signature of foldLeft (could also have been foldRight for the point I'm going to make):
def foldLeft [B] (z: B)(f: (B, A) => B): B
And here is the signature of reduceLeft (again the direction doesn't matter here)
def reduceLeft [B >: A] (f: (B, A) => B): B
These two look ve...
String was not recognized as a valid DateTime “ format dd/MM/yyyy”
I am trying to convert my string formatted value to date type with format dd/MM/yyyy .
13 Answers
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A semantics for Bash scripts?
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A shell is an interface for the operating system. It is usually a more-or-less robust programming language in its own right, but with features designed to make it easy to interact specifically with the operating system and filesystem. The POSIX shell's (hereafter ref...
Inspecting standard container (std::map) contents with gdb
... Note: the std::map functionality in these scripts assumes 32-bit pointer types. For 64-bit machines, replace "+ 4" to "+ 8" everywhere in the file.
– Kyle Simek
May 20 '12 at 20:22
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Remove Fragment Page from ViewPager in Android
...ted by this answer, I found that the solution is to override the getItemId(int position) method of FragmentPagerAdapter to give a new unique ID whenever there has been a change in the expected position of a Fragment.
Source Code:
private class MyPagerAdapter extends FragmentPagerAdapter {
pri...
How do I do a Date comparison in Javascript? [duplicate]
...ill be "invalid". Any comparison with another date will return false. When converted to a string it will become "Invalid Date". Its getTime() function will return NaN, and calling isNaN() on the date itself will return true; that's the easy way to check if a string is a valid date.
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Why does this code using random strings print “hello world”?
The following print statement would print "hello world".
Could anyone explain this?
15 Answers
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