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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...with this class name not found,
UIView *view = [[bundle loadNibNamed:NSStringFromClass([self class]) owner:self options:nil] firstObject];
return view;
}
- (void)commonSetup {
UIView *nibView = [self loadViewFromNib];
nibView.frame = self.bounds;
// the autoresizingMask will be...
Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...applies to any default value that is subsequently mutated (e.g. hashes and strings), not just arrays.
TL;DR: Use Hash.new { |h, k| h[k] = [] } if you want the most idiomatic solution and don’t care why.
What doesn’t work
Why Hash.new([]) doesn’t work
Let’s look more in-depth at why Has...
Named colors in matplotlib
...r than a named color (apart from the fact that the hex code is passed as a string), and I will not include an image of the 16 million colors you can choose from...
For more details, please refer to the matplotlib colors documentation and the source file specifying the available colors, _color_dat...
Switch statement fallthrough in C#?
...bugs in C and Java.
The workaround is to use goto, e.g.
switch (number.ToString().Length)
{
case 3:
ans += string.Format("{0} hundred and ", numbers[number / 100]);
goto case 2;
case 2:
// Etc
}
The general design of switch/case is a little bit unfortunate in my view....
Homebrew install specific version of formula?
...' -- Formula/postgresql.rb
git log -S looks for all commits in which the string '8.4.4' was either added or removed in the file Library/Taps/homebrew/homebrew-core/Formula/postgresql.rb. We get two commits as a result.
commit 7dc7ccef9e1ab7d2fc351d7935c96a0e0b031552
Author: Aku Kotkavuo
Date: S...
Checking if an Android application is running in the background
...ckage.MyApplication"
android:icon="@drawable/icon"
android:label="@string/app_name" >
Add onPause and onResume to every Activity in the project (you may create a common ancestor for your Activities if you'd like to, but if your activity is already extended from MapActivity/ListActivity ...
How does LMAX's disruptor pattern work?
...ueue.util.MutableLong;
public class Sample {
public static void main(String[] args) throws InterruptedException {
final Queue<MutableLong> queue = new AtomicQueue<MutableLong>(1024, MutableLong.class);
Thread consumer = new Thread() {
@Override
...
Java 8: performance of Streams vs Collections
...
public static void main(String[] args) {
//Calculating square root of even numbers from 1 to N
int min = 1;
int max = 10000000;
List<Integer> sourceList = new ArrayList<>();
for (int i = min; i < max; i++) ...
How to parse an RSS feed using JavaScript?
...or example, if I was dealing with multiple images, I could concatenate the string and value: document.getElementById('image').style.backgroundImage = "url('" + src + "')";
– noobninja
May 13 '16 at 20:24
...
How do you track record relations in NoSQL?
...e there should be a more sophisticated approach than just keeping track of strings of ids manually. For one, you can only go so far before they get to big to be useful. Then again, the NoSQL technology's main poster-child projects (MongoDB, CouchDB, Membase, etc) are all new projects so perhaps I ju...