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Mathematical functions in Swift
...round's file properties (Cmd-Opt-0), or import UIKit instead, per above comment
– Chris Conover
Sep 29 '14 at 21:35
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What's the u prefix in a Python string?
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Open URL under cursor in Vim with browser
I'm using Twitvim for the first time. Seeing all the URLs in there made me wonder, is there any way to open the URL under the cursor in your favorite browser or a specified one?
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Xcode 6 iPhone Simulator Application Support location
...Library/Developer/CoreSimulator
Browsing the directory to your app's Documents folder is a bit more arduous, e.g.,
~/Library/Developer/CoreSimulator/Devices/4D2D127A-7103-41B2-872B-2DB891B978A2/data/Containers/Data/Application/0323215C-2B91-47F7-BE81-EB24B4DA7339/Documents/MyApp.sqlite
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moment.js - UTC gives wrong date
Why does moment.js UTC always show the wrong date. For example from chrome's developer console:
2 Answers
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ArrayBuffer to base64 encoded string
...s[ i ] );
}
return window.btoa( binary );
}
but, non-native implementations are faster e.g. https://gist.github.com/958841
see http://jsperf.com/encoding-xhr-image-data/6
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How to run a single test with Mocha?
...ocha -g 'logs a'
To run a single test. Note that this greps across the names of all describe(name, fn) and it(name, fn) invocations.
Consider using nested describe() calls for namespacing in order to make it easy to locate and select particular sets.
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...quote from the data.table FAQ 1.11 What is the difference between X[Y] and merge(X, Y)?
X[Y] is a join, looking up X's rows using Y (or Y's key if it has one) as an index.
Y[X] is a join, looking up Y's rows using X (or X's key if it has one)
merge(X,Y) does both ways at the same time....
Remote JMX connection
...face.
You can make this work by invoking the program with the system parameter java.rmi.server.hostname="YOUR_IP", either as an environment variable or using
java -Djava.rmi.server.hostname=YOUR_IP YOUR_APP
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Java - How to create new Entry (key, value)
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You can just implement the Map.Entry<K, V> interface yourself:
import java.util.Map;
final class MyEntry<K, V> implements Map.Entry<K, V> {
private final K key;
private V value;
public MyEntry(K key, V value) {...