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How ListView's recycling mechanism works
...tially the listview has 7 visible items, then, if you scroll up until item 1 is no longer visible, getView() passes this view (i.e item1) to the recycler and you can use
System.out.println("getview:"+position+" "+convertView);
inside your
public View getView(final int position, View convertView, Vi...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
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edited May 18 at 15:28
Laurent
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Start an Activity with a parameter
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511
Put an int which is your id into the new Intent.
Intent intent = new Intent(FirstActivity.this...
How do you find the sum of all the numbers in an array in Java?
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271
In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
Sys...
How do you truncate all tables in a database using TSQL?
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17 Answers
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How does the HyperLogLog algorithm work?
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156
The main trick behind this algorithm is that if you, observing a stream of random integers, se...
Convert UNIX epoch to Date object
...as integers representing the number of seconds since the UNIX epoch (e.g. 1352068320 ), but Date objects seem more appropriate for plotting. How can I do the conversion?
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schema builder laravel migrations unique on two columns
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edited Nov 13 '17 at 15:32
Chuck Le Butt
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