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Throwing the fattest people off of an overloaded airplane.
...t totalWeight = 0;
// this creates an empty heap!
var myHeap = new MinHeap<Passenger>(/* need comparer here to order by weight */);
foreach (var pass in passengers)
{
if (totalWeight < targetTotal)
{
// unconditionally add this passenger
myHeap.Add(pass);
tot...
Add an element to an array in Swift
...pend all the elements from the original array. Pretty sure this is the result of a retain problem elsewhere - somehow these objects are fine so long as they're left in their original array spots, but if iOS attempts to move them (as a result of the insert) there's a crash. Or else this is some weird...
Converting RGB to grayscale/intensity
...int fourBytes;
unsigned char r,g,b;
for (int index=0;index<width*height;index++)
{
fourBytes=pntrBWImage[index];//caches 4 bytes at a time
r=(fourBytes>>16);
g=(fourBytes>>8);
b=fourBytes;
I_Out[index...
ViewPager and fragments — what's the right way to store fragment's state?
...gement to the adapter, and do not have to perform the above steps. By default, it will only preload one Fragment in front and behind the current position (although it does not destroy them unless you are using FragmentStatePagerAdapter). This is controlled by ViewPager.setOffscreenPageLimit(int). Be...
How can I enable or disable the GPS programmatically on Android?
...et.SettingsAppWidgetProvider");
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse("3"));
sendBroadcast(poke);
}
}
private void turnGPSOff(){
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALL...
The written versions of the logical operators
...
They originated in C in the header <iso646.h>. At the time there were keyboards that couldn't type the required symbols for && (for example), so the header contained #define's that would assist them in doing so, by (in our example) defining and to...
What is lazy loading in Hibernate?
...order to avoid this, you can trick hibernate into loading all children simultaneously, e.g. by calling parent.getChildren().size().
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Determining memory usage of objects? [duplicate]
...ort of thing can be misleading as R is copy on write. If I take some_list <- some_other_list, the size of some_list is reported as the same size as some_other_list, but if I only read from some_list then the memory is being shared. Can someone confirm if this is correct?
– s...
Minimum and maximum value of z-index?
...3.org/TR/CSS21/visuren.html#z-index
'z-index'
Value: auto | <integer> | inherit
http://www.w3.org/TR/CSS21/syndata.html#numbers
Some value types may have integer
values (denoted by <integer>) or
real number values (denoted by
<number>). Real numbers and
...
What .NET collection provides the fastest search
...ains() method? Or will I have to write my own? In otherwords, is the default Contains() method just scan each item or does it use a better search algorithm.
...