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Checking the equality of two slices
...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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Random float number generation
...ND_MAX and a little math, you can generate random numbers in any arbitrary interval you choose. This is sufficient for learning purposes and toy programs. If you need truly random numbers with normal distribution, you'll need to employ a more advanced method.
This will generate a number from 0....
How can I get screen resolution in java?
...raphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
int width = gd.getDisplayMode().getWidth();
int height = gd.getDisplayMode().getHeight();
If you want to get the screen resolution in DPI you'll have to use the getScreenResolution() method on Toolkit.
Resources :
ja...
Remove Item from ArrayList
... it has 8 items A-H and now I want to delete 1,3,5 position Item stored in int array from the list how can I do this.
10 ...
Java 8 forEach with index [duplicate]
... presume that you can then just iterate with the indices of the elements:
IntStream.range(0, params.size())
.forEach(idx ->
query.bind(
idx,
params.get(idx)
)
)
;
The resulting code is similar to iterating a list with the classic i++-style for loop, except with easier p...
Generating a random password in php
...$pass[] = $alphabet[$n];
}
return implode($pass); //turn the array into a string
}
Demo: http://codepad.org/UL8k4aYK
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Set android shape color programmatically
...here background is an instance of ColorDrawable. Thanks Tyler Pfaff, for pointing this out.
The drawable is an oval and is the background of an ImageView
Get the Drawable from imageView using getBackground():
Drawable background = imageView.getBackground();
Check against usual suspects:
if...
How to remove elements from a generic list while iterating over it?
...
Iterate your list in reverse with a for loop:
for (int i = safePendingList.Count - 1; i >= 0; i--)
{
// some code
// safePendingList.RemoveAt(i);
}
Example:
var list = new List<int>(Enumerable.Range(1, 10));
for (int i = list.Count - 1; i >= 0; i--)
{
...
What Every Programmer Should Know About Memory?
...t, well, I don't think it's for "every programmer". It's more suitable for system/embedded/kernel guys.
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Update data in ListFragment as part of ViewPager
...blic class MPagerAdapter extends FragmentPagerAdapter {
private Map<Integer, String> mFragmentTags;
private FragmentManager mFragmentManager;
public MPagerAdapter(FragmentManager fm) {
super(fm);
mFragmentManager = fm;
mFragmentTags = new HashMap<Integer...