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The application may be doing too much work on its main thread
...e. The ratio in pixels between them is ldpi = 1:0.75, mdpi = 1:1, hdpi = 1:1.5, xhdpi = 1:2, xxhdpi = 1:3, xxxhdpi = 1:4. By using the the drawable-xxxhdpi folder you allow to downscale the images to your device's screensize what reduces memory and CPU consumption.
– Timo Bähr...
How to make Java honor the DNS Caching Timeout?
...
Yes, Java 1.5 had a default value of infinite caching. Java 1.6 and 1.7 have a 30 second default.
– Michael
Mar 19 '13 at 21:15
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What is the JavaScript >>> operator and how do you use it?
...>> is the unsigned right shift operator (see p. 76 of the JavaScript 1.5 specification), as opposed to the >>, the signed right shift operator.
>>> changes the results of shifting negative numbers because it does not preserve the sign bit when shifting. The consequences of th...
Why does Math.round(0.49999999999999994) return 1?
...cision floating-point. 1.4999999999999998 is the smallest double less than 1.5. As you can see from the question, the floor method rounds it correctly.
– OrangeDog
Mar 29 '12 at 11:12
...
what is difference between success and .done() method of $.ajax
...n() { alert("success"); });
This change is for compatibility with jQuery 1.5's deferred object. Deferred (and now Promise, which has full native browser support in Chrome and FX) allow you to chain asynchronous actions:
$.ajax("parent").
done(function(p) { return $.ajax("child/" + p.id); }).
...
List comprehension on a nested list?
...x] for x in [list(range(0,100))]*100]"
>>> 1000 loops, best of 3: 1.5 msec per loop
>>> python -m timeit "[list(map(float,k)) for k in [list(range(0,100))]*1000]"
>>> 100 loops, best of 3: 11.2 msec per loop
>>> python -m timeit "[[float(y) for y in x] for x in [...
Infinite scrolling with React JS
...Math.floor(scroll / this.state.recordHeight) - this.state.recordsPerBody * 1.5);
var displayEnd = Math.min(displayStart + 4 * this.state.recordsPerBody, this.state.total - 1);
this.setState({
visibleStart: visibleStart,
visibleEnd: visibleEnd,
displayStart: displaySt...
jQuery - checkbox enable/disable
...rop("disabled", true);
$("input.group1").prop("disabled", false);
jQuery 1.5 and below
The .prop() function is not available, so you need to use .attr().
To disable the checkbox (by setting the value of the disabled attribute) do
$("input.group1").attr('disabled','disabled');
and for enabling...
Setting up a deployment / build / CI cycle for PHP projects
...- run cross-platform.
Setting up a hudson server
Prerequisites:
Java (1.5 will serve you just fine)
Read access to the subversion server (I have a separate account for the hudson user)
From here, it's just:
java -jar hudson.war
This will run a small server instance right off your console, ...
How can I make an svg scale with its parent container?
...
Another simple way is
transform: scale(1.5);
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