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PHP Sort a multidimensional array by element containing date
...
This should work. I converted the date to unix time via strtotime.
foreach ($originalArray as $key => $part) {
$sort[$key] = strtotime($part['datetime']);
}
array_multisort($sort, SORT_DESC, $originalArray);
One-liner versio...
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...
Calendar date to yyyy-MM-dd format in java
How to convert calendar date to yyyy-MM-dd format.
9 Answers
9
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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...
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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How to lock orientation during runtime
...nfiguration returns and what setRequestedOrientation wants - they are both int, but they are coming from different constant definitions.
Here's how to lock the current orientation, while allowing 180 degree flips
int currentOrientation = getResources().getConfiguration().orientation;
if (currentOr...
Sorting a vector of custom objects
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A simple example using std::sort
struct MyStruct
{
int key;
std::string stringValue;
MyStruct(int k, const std::string& s) : key(k), stringValue(s) {}
};
struct less_than_key
{
inline bool operator() (const MyStruct& struct1, const MyStruct& struct2)...
How to insert a character in a string at a certain position?
I'm getting in an int with a 6 digit value. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function t...
How to get a microtime in Node.js?
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Please check the time units when converting seconds to microseconds. console.log(hrTime[0] * 1000000 + hrTime[1] / 1000)
– itaifrenkel
May 5 '14 at 16:05
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