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what is the difference between sendStickyBroadcast and sendBroadcast in Android
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120
Here is what the Android SDK says about sendStickyBroadcast():
Perform a sendBroadcast(Inten...
How does java do modulus calculations with negative numbers?
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104
Both definitions of modulus of negative numbers are in use - some languages use one definition ...
How to simulate a mouse click using JavaScript?
...k|mouse(?:down|up|over|move|out))$/
}
var defaultOptions = {
pointerX: 0,
pointerY: 0,
button: 0,
ctrlKey: false,
altKey: false,
shiftKey: false,
metaKey: false,
bubbles: true,
cancelable: true
}
You can use it like this:
simulate(document.getElementById("btn")...
Validate uniqueness of multiple columns
...be patched?
– Alexey
Jul 16 '12 at 20:09
13
Alexey, validates_uniqueness_of [:user_id, :friend_id...
Removing a model in rails (reverse of “rails g model Title…”)
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answered Aug 18 '11 at 10:35
Mikhail NikalyukinMikhail Nikalyukin
11.4k11 gold badge4242 silver badges6969 bronze badges
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Twig for loop for arrays with keys
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answered Apr 24 '12 at 14:00
GuillaumeGuillaume
7,7011010 gold badges4343 silver badges6161 bronze badges
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Very simple log4j2 XML configuration file using Console and File appender
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} -...
Hide keyboard when scroll UITableView
...nswer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
...
javascript set a variable if undefined
...efined. It would therefore not only match undefined but also null, false, 0, NaN, "" (but not "0").
If you want to set to default only if the variable is strictly undefined then the safest way is to write:
var x = (typeof x === 'undefined') ? your_default_value : x;
On newer browsers it's actu...
Difference between this and self in self-type annotations?
...|
edited Feb 4 '18 at 17:10
MaxNevermind
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answered...