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How to detect user inactivity in Android

...vity extends Activity { public static final long DISCONNECT_TIMEOUT = 300000; // 5 min = 5 * 60 * 1000 ms private static Handler disconnectHandler = new Handler(new Handler.Callback() { @Override public boolean handleMessage(Message msg) { // todo r...
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how to know if the request is ajax in asp.net mvc?

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MySQL remove all whitespaces from the entire column

... 203 To replace all spaces : UPDATE `table` SET `col_name` = REPLACE(`col_name`, ' ', '') To remov...
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Adding Http Headers to HttpClient

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How to get just the responsive grid from Bootstrap 3?

...ttp://getbootstrap.com/customize/ and toggle just what you want from the BS3 framework and then click "Compile and Download" and you'll get the CSS and JS that you chose. Open up the CSS and remove all but the grid. They include some normalize stuff too. And you'll need to adjust all the styles o...
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map vs. hash_map in C++

... 134 They are implemented in very different ways. hash_map (unordered_map in TR1 and Boost; use tho...
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How do negated patterns work in .gitignore?

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Converting between datetime, Timestamp and datetime64

...tetime.utcnow() >>> dt datetime.datetime(2012, 12, 4, 19, 51, 25, 362455) >>> dt64 = np.datetime64(dt) >>> ts = (dt64 - np.datetime64('1970-01-01T00:00:00Z')) / np.timedelta64(1, 's') >>> ts 1354650685.3624549 >>> datetime.utcfromtimestamp(ts) datetime.da...
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AngularJS - wait for multiple resource queries to complete

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python: how to identify if a variable is an array or a scalar

...o make a call to this function with a scalar 50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector? ...