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what exactly is device pixel ratio?
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https://developer.mozilla.org/en/CSS/Media_queries#-moz-device-pixel-ratio
-moz-device-pixel-ratio
Gives the number of device pixels per CSS pixel.
this is almost self-explaining. the number describes the ratio of how...
How to convert a DOM node list to an array in Javascript?
...sing Array.from
var elements = Array.from(nodelist)
more reference at https://developer.mozilla.org/en-US/docs/Web/API/NodeList
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When to use an assertion and when to use an exception
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Downvoted because the hard drive example contradicts your own philosophy. Hard drives "disappearing" (from the perspective of the code) could actually happen in reality -- no matter how improbable. Like @IanGoldby says, asser...
Do I need all three constructors for an Android custom view?
...ome discussion about whether this constructor is really needed or not. See https://code.google.com/p/android/issues/detail?id=12683
MyView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)
The 3rd constructor works well if you have control over the base theme of the applicati...
How to allow only numeric (0-9) in HTML inputbox using jQuery?
... this.value = this.value.replace(/\D/g, '');
}
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input name="number">
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What does the function then() mean in JavaScript?
...g callback functions on the promise object.
Deferred objects in Jquery : https://api.jquery.com/jquery.deferred/
Deferred objects in AngularJs : https://docs.angularjs.org/api/ng/service/$q
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RuntimeException: Unable to instantiate application
...lopment, it's due to the previously running instance of my app not closing down neatly, for example by shutting down background threads prior to exit.
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How to hide columns in HTML table?
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You can also hide a column using the col element https://developer.mozilla.org/en/docs/Web/HTML/Element/col
To hide the second column in a table:
<table>
<col />
<col style="visibility:collapse"/>
<tr><td>visible</td><td>hid...
How can I catch a 404?
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-1 Partial explanation of my ancient downvote: code throws NullReferenceException if, for some reason, we.Response is not HttpWebResponse. If the code wishes to assume that it will always have that type, then it should simply cast: HttpWebResponse errorResponse ...
Gridview height gets cut
... tells the scrollview what's the height of the full gridview so it can go down, but the problem is that to do so it renders everything without using recycling. No m ore than 200 items could work.
– Mariano Latorre
May 31 '13 at 15:20
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