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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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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--)
{
...
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...
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...
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...
Representing Directory & File Structure in Markdown Syntax [closed]
...
brew install dos2unix
dos2unix lib/node_modules/mddir/src/mddir.js
This converts line endings to Unix instead of Dos
Then run as normal with: node mddir "../relative/path/".
Example generated markdown file structure 'directoryList.md'
|-- .bowerrc
|-- .jshintrc
|-- .jshintrc2
|...
C# generic type constraint for everything nullable
... one (foo3) throws an exception in the constructor:
var foo1 = new Foo<int?>();
Console.WriteLine(foo1.IsNull());
var foo2 = new Foo<string>();
Console.WriteLine(foo2.IsNull());
var foo3= new Foo<int>(); // THROWS
Console.WriteLine(foo3.IsNull());
...
Java switch statement: Constant expression required, but it IS constant
... be what is needed.
You could change your code to use an enum rather than int constants, but that brings another couple of different restrictions:
You must include a default case, even if you have case for every known value of the enum; see Why is default required for a switch on an enum?
The cas...
EditText, clear focus on touch outside
...s what I ended up doing:
I created an (invisible) FrameLayout called touchInterceptor as the last View in the layout so that it overlays everything (edit: you also have to use a RelativeLayout as the parent layout and give the touchInterceptor fill_parent attributes). Then I used it to intercept to...
Finding three elements in an array whose sum is closest to a given number
Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
...