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Fastest way to determine if an integer's square root is an integer
I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer):
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Broadcast receiver for checking internet connection in android app
I am developing an android broadcast receiver for checking internet connection.
21 Answers
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Detect 7 inch and 10 inch tablet programmatically
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You can use the DisplayMetrics to get a whole bunch of information about the screen that your app is running on.
First, we create a DisplayMetrics metrics object:
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
From thi...
What Process is using all of my disk IO
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You're looking for iotop (assuming you've got kernel >2.6.20 and Python 2.5). Failing that, you're looking into hooking into the filesystem. I recommend the former.
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Force to open “Save As…” popup open at text link click for PDF in HTML
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From an answer to Force a browser to save file as after clicking link:
<a href="path/to/file" download>Click here to download</a>
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How to make a always full screen?
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This always works for me:
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style type="text/css">
html, body {
height: 100%;
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Assign width to half available screen width declaratively
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Better use android:layout_width="0dp" for both child elements, avoiding sizing them twice.
– tomash
Dec 21 '12 at 10:42
2
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How do I select the parent form based on which submit button is clicked?
I have a web page with 3 forms on it. Not nested, just one after the other (they are almost identical, just one hidden variable that's different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script.
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
...terpreted as array instead of single RetrieveMultipleResponse object. Therefore, you need to deserialize it to type collection of RetrieveMultipleResponse, for example :
var objResponse1 =
JsonConvert.DeserializeObject<List<RetrieveMultipleResponse>>(JsonStr);
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Download a specific tag with Git
...ne the repo and leave you on the tag you are interested in.
Documentation for 1.8.0 of git clone states.
--branch can also take tags and detaches the HEAD at that commit in the resulting repository.
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